High-pressure cooling device with built-in backwashing structure

Abstract

The utility model discloses a high-pressure cooling device with a built-in backwashing structure, which comprises a water tank and an outer frame, a motor pump mounting base is fixedly mounted on the inner walls of the water tank and the outer frame through bolts, a motor is fixedly mounted at the top of the motor pump mounting base through bolts, a high-pressure pump is assembled on an output shaft of the motor, and the high-pressure pump is connected with the water tank. And the high-pressure pump and the motor pump mounting base are fixedly mounted through bolts. Cutting fluid entering the water tank is filtered through cooperation of the vortex separator and the single-filter-element backwashing filter, backwashing is carried out on a filter element in the single-filter-element backwashing filter through a backwashing structure in the single-filter-element backwashing filter, the cleanliness of a filtered working medium is improved, and the working efficiency is improved. And the service lives of precise parts such as a high-pressure pump, a rotary joint and an inner-cooling cutter are prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of high-pressure cooling, in particular to a high-pressure cooling device with a built-in backwashing structure. Background Art

[0002] The accuracy of the spindle is one of the most important factors affecting the machining accuracy of the workpiece. The loss and heat generation of the built-in motor in the spindle is inevitable. The higher the load and speed, the more severe the heat generation and the greater the thermal deformation. Thermal deformation has a great impact on the performance of the spindle, thus putting higher requirements on the cooling performance of the machine tool spindle.

[0003] The traditional cooling method for machine tool spindles has high requirements for the pressure and flow of the lifting pump, and the energy-saving effect is not good. It has high requirements for pre-filtration, consumes consumables, and has high maintenance costs. There is no internal dirty liquid recovery device, which creates a vicious cycle. It has strict requirements on processing materials and processing methods. Therefore, a high-pressure cooling device with a built-in backwashing structure is needed. It can backwash and filter the cooling water, which can effectively ensure the filtration effect and extend the service life of the filter material, so that the pollutants in the filter material are removed. It has no consumables and is maintenance-free, with a filtration accuracy of 20 microns. Utility Model Content

[0004] The purpose of the utility model is to provide a high-pressure cooling device with a built-in backwashing structure, which can backwash and filter cooling water, effectively ensure the filtering effect and extend the service life of the filter material, so that the pollutants in the filter material are removed, without consumables and maintenance, and with a filtering accuracy of microns, so as to solve the technical problems raised by the above-mentioned background technology.

[0005] The utility model provides a technical solution to the above-mentioned technical problems as follows: a high-pressure cooling device with a built-in backwashing structure, comprising a water tank and an outer frame: a motor pump mounting base is fixedly installed on the inner walls of the water tank and the outer frame by bolts, a motor is fixedly installed on the top of the motor pump mounting base by bolts, a high-pressure pump is equipped on the output shaft of the motor, the high-pressure pump and the motor pump mounting base are fixedly installed by bolts, a single-element backwashing filter and a vortex separator are fixedly installed on the inner walls of the water tank and the outer frame by bolts, a pressure-limiting stop valve is installed on the water outlet of the high-pressure pump, a water tank is installed on the surface of the water tank and the outer frame, a colander is fixedly installed on the top of the water tank, and a slag receiving box is arranged on the outside of the colander.

[0006] Preferably, the water tank and the outer frame are equipped with a water tank, the water inlet pipe of the high-pressure pump is connected to the water tank, a liquid level gauge is installed on the water tank, and the water outlet pipe of the single-filter backwash filter is connected to the water tank.

[0007] Preferably, both ends of the vortex separator are respectively connected to the high-pressure cooling unit and the single-core backwash filter, and the water inlet pipe of the vortex separator is connected to the high-pressure cooling unit.

[0008] Preferably, the water outlet end of the pressure-limiting stop valve is connected to the machine tool spindle high-pressure cooling unit through a connecting pipe.

[0009] Preferably, the inner filter element of the single filter element backwash filter is formed by winding stainless steel metal wedge-shaped wire, and the sewage pipes of the single filter element backwash filter and the vortex separator are both connected to the drain basket.

[0010] Preferably, the slag receiving box is hung with the colander, a shovel is placed in the inner cavity of the slag receiving box, and a cover plate is rotatably connected to the top of the colander through a hinge.

[0011] 1. The beneficial effects of the utility model are as follows: the utility model filters the cutting fluid entering the water tank through the cooperation of the vortex separator and the single filter element backwash filter, wherein the filter element in the single filter element backwash filter is backwashed through the internal backwash structure of the single filter element backwash filter, thereby improving the cleanliness of the working medium after filtration and extending the service life of precision components such as high-pressure pumps, rotary joints, and internally cooled tools.

[0012] 2. The utility model can filter and collect the dirty liquid discharged from the vortex separator and the single filter element backwash filter through the coordinated use of the colander and the slag receiving box, so that the dirty liquid can be cleaned before entering the water tank, and the dirty liquid can be recycled, reducing the waste of resources.

[0013] 3. The utility model provides a shovel to facilitate collecting the filter residue in the filter basket into the slag receiving box, thereby improving the efficiency of collecting the filter residue for the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] in:

[0015] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0016] Figure 2 This is a three-dimensional schematic diagram of a control box and a liquid level meter according to an embodiment of the utility model;

[0017] Figure 3 The figure is a schematic diagram of the electrical principle of an embodiment of the utility model.

[0018] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0019] 1. Water tank and outer frame, 2. Motor pump mounting base, 3. Motor, 4. High-pressure pump, 5. Control box, 6. Liquid level gauge, 7. Single filter element backwash filter, 8. Vortex separator, 9. Pressure limiting stop valve, 10. Colander, 11. Slag box, 12. Shovel, 13. Cover plate. DETAILED DESCRIPTION

[0020] Hereinafter, an embodiment of a high-pressure cooling device with a built-in backwashing structure of the present invention will be described with reference to the accompanying drawings.

[0021] Embodiment 1:

[0022] Figure 1-3 A high-pressure cooling device with a built-in backwashing structure according to an embodiment of the utility model is shown, which comprises a water tank and an outer frame 1: a motor pump mounting base 2 is fixedly installed on the inner wall of the water tank and the outer frame 1 by bolts, a motor 3 is fixedly installed on the top of the motor pump mounting base 2 by bolts, a high-pressure pump 4 is assembled on the output shaft of the motor 3, the high-pressure pump 4 and the motor pump mounting base 2 are fixedly installed by bolts, a single filter element backwashing filter 7 and a vortex separator 8 are fixedly installed on the inner wall of the water tank and the outer frame 1 by bolts, a water tank is provided in the water tank and the outer frame 1, a water inlet pipe of the high-pressure pump 4 is connected to the water tank, a liquid level gauge 6 is installed on the water tank, a water outlet pipe of the single filter element backwashing filter 7 is connected to the water tank, and a vortex separator 8 is fixedly installed between the high-pressure pump 4 and the motor pump mounting base 2 by bolts. The two ends of the separator 8 are respectively connected to the high-pressure cooling unit and the single-filter backwash filter 7, the water inlet pipe of the vortex separator 8 is connected to the high-pressure cooling unit, the water outlet end of the high-pressure pump 4 is installed with a pressure-limiting stop valve 9, and the water outlet end of the pressure-limiting stop valve 9 is connected to the high-pressure cooling unit of the machine tool spindle through a connecting pipe. A water tank is installed on the surface of the water tank and the outer frame 1, and a colander 10 is fixedly installed on the top of the water tank. A slag receiving box 11 is arranged on the outside of the colander 10. Through the coordinated use of the colander 10 and the slag receiving box 11, the dirty liquid discharged from the vortex separator and the single-filter backwash filter can be filtered and collected, so that the dirty liquid can be cleaned when entering the water tank, and the dirty liquid can be recycled, reducing the waste of resources.

[0023] Embodiment 2:

[0024] Figure 1-3The utility model shows a high-pressure cooling device with a built-in backwashing structure of an embodiment of the utility model, which includes a water tank and an outer frame 1: the inner wall of the water tank and the outer frame 1 is fixedly installed with a motor pump mounting base 2 by bolts, the top of the motor pump mounting base 2 is fixedly installed with a motor 3 by bolts, the output shaft of the motor 3 is equipped with a high-pressure pump 4, the high-pressure pump 4 and the motor pump mounting base 2 are fixedly installed by bolts, the inner wall of the water tank and the outer frame 1 is fixedly installed with a single filter element backwashing filter 7 and a vortex separator 8 by bolts, the water outlet end of the high-pressure pump 4 is installed with a pressure limiting stop valve 9, and the surface of the water tank and the outer frame 1 A water tank is installed on the surface, and a colander 10 is fixedly installed on the top of the water tank. The internal filter element of the single-filter element backwash filter 7 is formed by winding a stainless steel metal wedge-shaped wire. The sewage pipes of the single-filter element backwash filter 7 and the vortex separator 8 are connected to the colander 10. A slag receiving box 11 is arranged on the outside of the colander 10. The slag receiving box 11 is hung with the colander 10, and a shovel 12 is placed in the inner cavity of the slag receiving box 11. Through the setting of the shovel 12, it is convenient to collect the filter residue in the colander 10 into the slag receiving box 11, thereby improving the efficiency of users in collecting the filter residue. The top of the colander 10 is rotatably connected with a cover plate 13 through a hinge.

[0025] Working principle: When the utility model is used, the user supplies the cutting fluid to the high-pressure cooling unit through the first-level water tank lifting pump of the machine tool during operation. It should be noted here that the single-core backwash filter 7 and the pressure-limiting stop valve 9 are both prior arts, such as the patent number of the single-core backwash filter 7: 2019222548401, and the patent number of the pressure-limiting stop valve 9: 2021233301630; the cutting fluid passes through the vortex separator 8 and the single-core backwash filter 7 to supply the filtered clean cutting fluid to the water tank, and the cutting fluid in the water tank enters the high-pressure pump 4 through the pipeline, is driven by the motor 3 and the transmission components, and the clean cutting fluid is pressurized, and then the pressure is adjusted through the pressure-limiting stop valve 9. After that, high-pressure internal cooling water is provided for the machine tool spindle; subsequently, the sewage filtered by the vortex separator 8 and the single filter element backwash filter 7 is discharged into the colander 10, and the slag liquid can be recovered. The separated metal chips can be collected into the slag receiving box 11 with a shovel 12 for regular cleaning; wherein the top of the colander 10 is conveniently opened and closed by the rotation setting of the cover plate 13, and during this process, the liquid level meter 6 monitors the required water tank liquid level; wherein the control box 5 performs logical control on the operation of the entire system; the system is equipped with a pressure gauge to monitor the input pressure and output pressure of the high-pressure unit; the single filter element backwash filter 7 is equipped with a pressure detection switch, and an alarm prompt is provided if the filter is blocked;

[0026] The utility model has the following advantages:

[0027] 1. Fully enclosed structure, more integrated and neater

[0028] Better reduce the leakage of functional parts and reduce accidental bumps and scratches;

[0029] Add noise reduction measures internally to reduce noise pollution;

[0030] Better organization, cleaner surfaces, and reduced cleaning time;

[0031] 2. Backwash filtration, no consumables, maintenance-free, filtration accuracy 20 microns

[0032] .1. Fully automatic control, no maintenance required.

[0033] .2. The filter element is made of stainless steel wedge-shaped wire, which is high in strength and wear-resistant. The filter element structure size and filtration accuracy are more diverse;

[0034] .3. Compressed air recoil regeneration, better recoil effect;

[0035] .4. Compressed air is consumed only during recoil, so the air consumption is low;

[0036] .5. Fewer moving parts, longer service life, and fewer wearing parts;

[0037] .6. The control logic is simpler and the probability of misoperation is reduced

[0038] 3. Reduce energy consumption and extend service life

[0039] .1. When flushing, the system water pipeline is closed, and the cutting fluid is driven by compressed air to regenerate itself, reducing energy consumption;

[0040] .2. Filter element regeneration does not require the coolant's own pressure, which reduces the power consumption of the booster pump;

[0041] .3. The cooling pressure can be switched through the M code to control the temperature rise;

[0042] .4. Optional frequency conversion control can provide flow on demand, and proportional pressure limiting valve can provide stepless pressure regulation to provide stable flow and pressure.

[0043] .5. Coaxial valve balanced structure design, ultra-low driving pressure, gas consumption is 1 / 10 of ordinary valves

[0044] .6. No consumables consumption

[0045] .7. Reliable filtration prolongs the service life of precision parts such as high-pressure pumps, rotary joints, and internally cooled tools;

[0046] .8. With complete unloading function, it can avoid frequent start and stop of high-pressure pump and overpressure unloading function, thus extending the service life of high-pressure pump;

[0047] 4. Lower requirements for pre-filtration and suitable for diverse processing materials

[0048] .1. When processing aluminum and steel parts, only 10-20 mesh insertions are required;

[0049] .2. Suitable for processing materials such as cast iron, aluminum alloy, cast steel, carbon steel, etc.;

[0050] .3. When processing cast iron, only a low-end vortex separator needs to be connected in series;

[0051] 5. Standardized and modular design

[0052] .1. The installation dimensions of high-pressure pumps are compatible. You can choose the most suitable pump type according to your requirements. You can choose plunger pumps, diaphragm pumps, centrifugal pumps, gear pumps, screw pumps, etc.;

[0053] .2. The installation dimensions of different types of waste liquid recovery devices are the same, and the box dimensions are standardized;

[0054] .3. Standardized mechanical and electrical interfaces, easy to install and disassemble;

[0055] .4. Built-in backwash regeneration control program reduces electrical interaction with machine tools and communication costs;

[0056] .5. A refrigerator installation position can be reserved, and a refrigerator can be added at any time according to changes in processing technology to reduce the impact of cutting fluid temperature changes on processing accuracy;

[0057] 6. Built-in waste liquid recovery device

[0058] .1. When the filter is backwashed and regenerated, the sewage enters the built-in sewage collection device, enters the sedimentation tank after filtration, and then flows back to the machine tool water tank;

[0059] .2. Slightly larger impurities are collected in the collection basket by the collection device; smaller impurities enter the sedimentation box and settle at the bottom of the water tank, and are collected and cleaned in time;

[0060] .3. Different types of collection devices can be selected according to the processing materials: metal mesh colander, magnetic separator, micro paper tape machine.

[0061] To sum up: the high-pressure cooling device with a built-in backwashing structure filters the cutting fluid entering the water tank through the cooperation of the vortex separator 8 and the single-filter element backwashing filter 7, wherein the filter element in the single-filter element backwashing filter 7 is backwashed through the internal backwashing structure of the single-filter element backwashing filter 7, thereby improving the cleanliness of the working medium after filtration and extending the service life of precision components such as high-pressure pumps, rotary joints, and internally cooled tools.

Claims

1. A high-pressure cooling device with a built-in backwashing structure, characterized in that: The invention comprises a water tank and an outer frame (1): a motor pump mounting base (2) is fixedly mounted on the inner wall of the water tank and the outer frame (1) by bolts, a motor (3) is fixedly mounted on the top of the motor pump mounting base (2) by bolts, a high-pressure pump (4) is mounted on the output shaft of the motor (3), the high-pressure pump (4) and the motor pump mounting base (2) are fixedly mounted by bolts, a single filter element backwashing filter (7) and a vortex separator (8) are fixedly mounted on the inner wall of the water tank and the outer frame (1) by bolts, a pressure limiting stop valve (9) is installed at the water outlet of the high-pressure pump (4), a water tank is installed on the surface of the water tank and the outer frame (1), a colander (10) is fixedly mounted on the top of the water tank, and a slag receiving box (11) is arranged on the outer side of the colander (10).

2. A high-pressure cooling device with a built-in backwashing structure according to claim 1, characterized in that: The water tank and the outer frame (1) are equipped with a water tank, the water inlet pipe of the high-pressure pump (4) is connected to the water tank, a liquid level meter (6) is installed on the water tank, and the water outlet pipe of the single filter element backwash filter (7) is connected to the water tank.

3. A high-pressure cooling device with a built-in backwashing structure according to claim 2, characterized in that: The two ends of the vortex separator (8) are respectively connected to the high-pressure cooling unit and the single-core backwash filter (7), and the water inlet pipe of the vortex separator (8) is connected to the high-pressure cooling unit.

4. A high-pressure cooling device with a built-in backwashing structure according to claim 3, characterized in that: The water outlet end of the pressure-limiting stop valve (9) is connected to the high-pressure cooling unit of the machine tool spindle through a connecting pipe.

5. A high-pressure cooling device with a built-in backwashing structure according to claim 4, characterized in that: The internal filter element of the single filter element backwash filter (7) is formed by winding stainless steel metal wedge-shaped wires, and the sewage pipes of the single filter element backwash filter (7) and the vortex separator (8) are both connected to the drain basket (10).

6. A high-pressure cooling device with a built-in backwashing structure according to claim 5, characterized in that: The slag receiving box (11) is connected to the colander (10), a shovel (12) is placed in the inner cavity of the slag receiving box (11), and a cover plate (13) is rotatably connected to the top of the colander (10) via a hinge.

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