Numerical control vertical lathe equipment cutting fluid automatic supply device

Abstract

The utility model discloses a numerical control vertical lathe equipment cutting fluid automatic liquid supply device relates to cutting fluid automatic liquid supply device technical field, include: liquid storage tank, centrifugal solid -liquid separator, variable frequency magnetic drive pump, water supply main pipe, controller, the utility model discloses through controller and numerical control vertical lathe system real -time communication, when the processing cycle starts, and simultaneously opens centrifugal solid -liquid separator and variable frequency magnetic drive pump, closes in time when parking, thoroughly solves the liquid supply delay or waste problem, avoids the tool overheating damage, reduces energy consumption, and the triple synergic mechanism of phase change temperature control interlayer integration inner layer phase change material heat absorption buffer, middle layer micro -channel copper net active cooling, outer layer vacuum heat insulation board heat insulation, will cutting fluid temperature fluctuation control in the inside of 1 DEG C, prolongs the life, and reduces external temperature control energy consumption.

Description

Technical Field

[0001] This utility model relates to the technical field of automatic cutting fluid supply devices, specifically an automatic cutting fluid supply device for CNC vertical lathe equipment. Background Technology

[0002] In the machining process of CNC vertical lathes, cutting fluid plays a crucial role in cooling tools and workpieces, lubricating the cutting area, flushing away chips, and preventing rust and corrosion. Traditional manual control of fluid supply methods suffers from problems such as cumbersome operation, high labor intensity, and low automation, failing to meet the demands of high-volume, high-precision automated machining. Specifically, traditional systems rely on manual start-up and shutdown of the fluid supply pump. Delayed fluid supply at startup leads to instantaneous high-temperature wear of the tools, and failure to shut down the pump promptly after shutdown results in significant waste of cutting fluid. Furthermore, the cutting fluid temperature rises sharply during machining, reaching over 60°C. Traditional single-layer metal reservoirs cannot effectively insulate against heat, leading to accelerated evaporation and chemical decomposition of the cutting fluid, requiring frequent fluid replacement and increasing operating costs. Mainstream filter-type separators are easily clogged by metal debris, with a separation efficiency of less than 80%, requiring shutdown every 8 hours to clean the filter, severely hindering production. Additionally, impurities in the cutting fluid settle and adhere to the inner wall of the water supply pipe, requiring monthly acid washing and unclogging. This not only corrodes the pipes but also causes fluctuations in fluid supply pressure, affecting the uniformity of cooling on the machined surface. Utility Model Content

[0003] The purpose of this invention is to provide an automatic cutting fluid supply device for CNC vertical lathe equipment, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an automatic cutting fluid supply device for CNC vertical lathe equipment, comprising: a storage tank with a water outlet at the bottom and a return inlet at the top; a centrifugal solid-liquid separator is vertically installed at the return inlet at the top of the storage tank; a variable frequency magnetic drive pump is connected to the water outlet of the storage tank; the water outlet of the variable frequency magnetic drive pump is connected to a main water supply pipe for supplying fluid to the machining area; a controller is provided on one side of the storage tank; the controller is electrically connected to the centrifugal solid-liquid separator and the variable frequency magnetic drive pump, and communicatively connected to the control system of the CNC vertical lathe equipment; the fluid supply is automatically turned on when the machining cycle starts and automatically turned off when the machine stops.

[0005] Furthermore, the outer wall of the liquid storage tank is provided with a phase change temperature control interlayer, which is a three-layer composite structure, including an inner layer of phase change material, a middle layer of microchannel copper mesh and an outer layer of vacuum insulation board.

[0006] Furthermore, the microchannel copper mesh is embedded with a circulating cooling channel, which is connected to an external temperature control system.

[0007] Furthermore, the centrifugal solid-liquid separator includes: a separator housing, with a feed hopper and a motor at the top; a separation barrel inside, with the feed hopper extending into the separation barrel; the motor is eccentrically positioned and connected to the separation barrel via a transmission rod, converting the eccentric motion into the reciprocating oscillation of the separation barrel; the bottom of the separation barrel is a conical structure, with a liquid outlet at the center of the conical bottom, which is connected to the return inlet of the storage tank.

[0008] Furthermore, the water supply main pipe is equipped with a piezoelectric self-cleaning ceramic disc for removing impurities from the inner wall of the pipe.

[0009] Furthermore, the inlet of the liquid storage tank is connected to a water source pipe, which is equipped with a floating water valve for automatic water replenishment.

[0010] Preferably, the liquid storage tank and the centrifugal solid-liquid separator are connected by a detachable flange.

[0011] Preferably, a shock-absorbing rubber bushing is provided at the connection between the transmission rod and the separation barrel.

[0012] Compared with existing technologies, the beneficial effects of this utility model are as follows: This utility model communicates in real time with the CNC vertical lathe system through the controller, simultaneously activating the centrifugal solid-liquid separator and the variable frequency magnetic drive pump when the machining cycle starts, and immediately shutting them off when the machine stops, completely solving the problem of delayed or wasted fluid supply, avoiding tool overheating and damage, reducing energy consumption, and the phase change temperature control jacket integrates a triple synergistic mechanism of inner phase change material heat absorption buffer, middle microchannel copper mesh active cooling, and outer vacuum insulation board heat insulation, controlling the cutting fluid temperature fluctuation within ±1℃, extending service life, and reducing external temperature control energy consumption, and then through centrifugal solid-liquid separator... The separator uses an eccentric motor to drive the separation tank to swing back and forth. Centrifugal force causes debris to adhere to the conical tank wall and slide down to accumulate. The purified liquid flows directly from the bottom outlet to the storage tank, significantly improving separation efficiency and extending the continuous working time of the equipment. Finally, the water supply main pipe is embedded with a piezoelectric self-cleaning ceramic disc, which automatically removes impurities from the pipe wall through high-frequency vibration, eliminating the need for traditional pipe acid washing, reducing maintenance costs, and ensuring a constant supply pressure. At the same time, the floating water valve automatically opens and closes the water supply pipe according to changes in the liquid level in the storage tank, compensating for evaporation / splash loss in real time, ensuring consistent cutting fluid concentration, and avoiding processing abnormalities caused by manual water replenishment errors. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the phase change temperature control sandwich structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the centrifugal solid-liquid separator of this utility model;

[0016] Figure 4 This is a schematic diagram of the main water supply pipe structure of this utility model;

[0017] In the diagram: 1. Storage tank, 101. Storage tank outlet, 102. Storage tank return inlet, 2. Centrifugal solid-liquid separator, 201. Separator housing, 202. Feed hopper, 203. Motor, 204. Separation barrel, 205. Separation barrel outlet, 3. Variable frequency magnetic drive pump, 4. Main water supply pipe, 5. Controller, 6. Phase change temperature control interlayer, 601. Inner phase change material, 602. Middle microfluidic copper mesh, 603. Outer vacuum insulation panel, 7. Piezoelectric self-cleaning ceramic sheet, 8. Water source pipe, 9. Floating water valve. Detailed Implementation

[0018] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings and specific embodiments.

[0019] Please refer to Figure 1-4 This utility model provides an automatic cutting fluid supply device for CNC vertical lathe equipment, comprising: a storage tank 1, with a storage tank outlet 101 at the bottom and a storage tank return inlet 102 at the top; a centrifugal solid-liquid separator 2 is vertically installed at the storage tank return inlet 102 at the top of the storage tank 1; a variable frequency magnetic drive pump 3 is connected to the storage tank outlet 101; the outlet of the variable frequency magnetic drive pump 3 is connected to a water supply main pipe 4 for supplying fluid to the machining area; a controller 5 is provided on one side of the storage tank 1; the controller 5 is electrically connected to the centrifugal solid-liquid separator 2 and the variable frequency magnetic drive pump 3, and is communicatively connected to the control system of the CNC vertical lathe equipment; the fluid supply is automatically turned on when the machining cycle starts and automatically turned off when the machine stops.

[0020] The system comprises a coolant storage tank 1, a key component for coolant storage and circulation, with a coolant outlet 101 supplying coolant and a return inlet 102 for receiving recovered coolant. A centrifugal solid-liquid separator 2 is vertically installed at the return inlet 102, directly filtering debris from the recovered coolant to prevent impurities from entering the coolant storage tank. A variable frequency magnetic drive pump 3 is connected to the coolant outlet 101, adjusting the flow rate to supply coolant to the main water supply pipe 4 as needed. A controller 5 is linked to the CNC system, simultaneously activating the separator 2 and the magnetic drive pump 3 during machining startup and shutting them off during shutdown. This forms a fully automatic closed loop of "recovery, filtration, and coolant supply," strictly synchronized with the machining equipment's movements, requiring no manual intervention and eliminating the risk of tool overheating or coolant interruption due to delayed coolant supply. The variable frequency control of the magnetic drive pump also reduces energy consumption.

[0021] The outer wall of the liquid storage tank 1 is provided with a phase change temperature control interlayer 6, which is a three-layer composite structure, including an inner layer of phase change material 601, a middle layer of microchannel copper mesh 602 and an outer layer of vacuum insulation board 603.

[0022] The inner phase change material 601 absorbs heat from temperature fluctuations in the cutting fluid, maintaining a stable fluid temperature. The middle microchannel copper mesh 602 is embedded in the cooling channels, actively dissipating excess heat. The outer vacuum insulation plate 603 blocks external environmental temperature interference. This three-layer structure achieves triple temperature control through "passive buffering + active cooling + external isolation," keeping cutting fluid temperature fluctuations within ±1℃. This prevents the cutting fluid from evaporating or deteriorating due to temperature increases, extending its service life and reducing the energy consumption of the external temperature control system.

[0023] The microchannel copper mesh 602 has an embedded circulating cooling channel, which is connected to an external temperature control system.

[0024] Among them, the microfluidic copper mesh 602 has an embedded flow channel: it is connected to the external temperature control system and can activate enhanced cooling as needed. When the phase change material 601 is saturated with heat, the external coolant flows through the microfluidic channel 602 to quickly dissipate heat and avoid temperature control failure.

[0025] The centrifugal solid-liquid separator 2 includes: a separator housing 201, with a feed hopper 202 and a motor 203 at the top of the separator housing 201; a separation tank 204 inside, with the feed hopper 202 extending into the separation tank 204; the motor 203 is eccentrically positioned and connected to the separation tank 204 via a transmission rod, converting the eccentric motion into the reciprocating oscillation of the separation tank; the bottom of the separation tank 204 has a conical structure, with a separation tank outlet 205 at the center of the conical bottom, which is connected to the return inlet 102 of the storage tank.

[0026] In this system, the eccentric motor 203 and the transmission rod convert the rotational motion into high-frequency oscillation of the separation tank 204, generating centrifugal force. Debris accumulates against the walls of the conical separation tank 204, while the purified liquid flows back to the storage tank from the bottom outlet 205. The oscillating centrifugal separation is 40% more efficient than traditional rotary separation and eliminates the risk of leakage from high-speed rotating seals.

[0027] The water supply main pipe 4 is equipped with a piezoelectric self-cleaning ceramic disc 7, which is used to remove impurities from the inner wall of the pipe. It automatically cleans the pipe while supplying liquid, preventing cutting fluid deposits from clogging the nozzles and completely solving the problem of traditional liquid supply pipes requiring regular acid washing, thus reducing maintenance costs.

[0028] The inlet of the liquid storage tank 1 is connected to a water source pipe 8, which is equipped with a floating water valve 9. When the liquid level drops, the water source pipe 8 is automatically opened to replenish water, thereby realizing closed-loop control of the liquid level and compensating for the loss of cutting fluid due to evaporation / splashing.

[0029] The liquid storage tank 1 and the centrifugal solid-liquid separator 2 are connected by a detachable flange.

[0030] The connection between the transmission rod and the separation barrel 204 is provided with a shock-absorbing rubber bushing.

[0031] When using this invention, the CNC vertical lathe control system first sends a machining start signal to the controller 5. The controller 5 then simultaneously starts the centrifugal solid-liquid separator 2 and the variable frequency magnetic drive pump 3. The variable frequency magnetic drive pump 3 draws cutting fluid from the bottom outlet 101 of the storage tank 1. The variable frequency magnetic drive pump 3 pressurizes and delivers the cutting fluid to the main water supply pipe 4. The piezoelectric self-cleaning ceramic disc 7 inside the main pipe vibrates at high frequency to remove impurities from the inner wall of the pipe. The cutting fluid is then precisely sprayed into the machining area of ​​the CNC vertical lathe through the main water supply pipe 4. After use, the cutting fluid, carrying machining debris, flows into the feed hopper 202 of the centrifugal solid-liquid separator 2. The motor 203 drives the eccentric transmission rod, causing the separation tank 204 to swing back and forth. Due to centrifugal force, the debris adheres to the inner wall of the separation tank 204 and slides down to the bottom of the cone to accumulate. The purified cutting fluid flows back to the storage tank 1 from the outlet 205 of the separation tank through the return inlet 102 of the storage tank. The shock-absorbing rubber bushing buffers the mechanical vibration of the transmission rod and the separation tank. The phase change temperature control jacket 6 dynamically regulates the temperature inside the chamber. The inner phase change material 601 absorbs / releases heat and buffers temperature fluctuations. The middle microchannel copper mesh 602 introduces coolant from the external temperature control system to enhance heat exchange. The outer vacuum insulation board 603 blocks external heat conduction. When the liquid level in the storage tank 1 drops, the floating water valve 9 automatically opens, replenishing clean water through the water source pipe 8. After the liquid level recovers, the floating water valve 9 closes. During the shutdown phase, at the end of the processing cycle, the system automatically stops. The CNC vertical lathe sends a shutdown signal to the controller 5, which immediately shuts down the variable frequency magnetic drive pump 3 and the centrifugal solid-liquid separator 2, stopping liquid supply and purification.

[0032] Although embodiments of the present invention have been shown and described, it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, it will be understood by those skilled in the art that all other embodiments obtained by making various changes, modifications, substitutions and alterations to these embodiments without departing from the principles and spirit of the present invention and without creative effort are within the scope of protection of the present invention.

Claims

1. An automatic cutting fluid supply device for CNC vertical lathe equipment, characterized in that, include: A liquid storage tank (1) is provided with a liquid storage tank outlet (101) at the bottom and a liquid storage tank return inlet (102) at the top. A centrifugal solid-liquid separator (2) is vertically installed at the liquid storage tank return inlet (102) at the top of the liquid storage tank (1). A variable frequency magnetic drive pump (3) is connected to the liquid storage tank outlet (101). A water supply main pipe (4) is connected to the outlet of the variable frequency magnetic drive pump (3) for supplying liquid to the processing area. A controller (5) is provided on one side of the liquid storage tank (1). The controller (5) is electrically connected to the centrifugal solid-liquid separator (2) and the variable frequency magnetic drive pump (3), and is communicatively connected to the control system of the CNC vertical lathe equipment. The liquid supply is automatically turned on when the processing cycle starts and automatically turned off when the machine stops.

2. The automatic cutting fluid supply device for CNC vertical lathe equipment according to claim 1, characterized in that: The outer wall of the liquid storage tank (1) is provided with a phase change temperature control interlayer (6), which is a three-layer composite structure, including an inner layer of phase change material (601), a middle layer of microchannel copper mesh (602) and an outer layer of vacuum insulation board (603).

3. The automatic cutting fluid supply device for CNC vertical lathe equipment according to claim 2, characterized in that: The microchannel copper mesh (602) has an embedded circulating cooling channel, which is connected to an external temperature control system.

4. The automatic cutting fluid supply device for CNC vertical lathe equipment according to claim 1, characterized in that: The centrifugal solid-liquid separator (2) includes: a separator housing (201), the top of which is provided with a feed hopper (202) and a motor (203); a separation barrel (204) is provided inside, the feed hopper (202) extends into the separation barrel (204); the motor (203) is eccentrically arranged and connected to the separation barrel (204) through a transmission rod, converting the eccentric motion into the reciprocating swing of the separation barrel; the bottom of the separation barrel (204) is a conical structure, and the center of its conical bottom is provided with a separation barrel outlet (205), which is connected to the liquid return inlet (102) of the storage tank.

5. The automatic cutting fluid supply device for CNC vertical lathe equipment according to claim 1, characterized in that: The water supply main pipe (4) is equipped with a piezoelectric self-cleaning ceramic disc (7) for removing impurities from the inner wall of the pipe.

6. The automatic cutting fluid supply device for CNC vertical lathe equipment according to claim 1, characterized in that: The inlet of the liquid storage tank (1) is connected to a water source pipe (8), which is equipped with a floating water valve (9) for automatic water replenishment.

7. The automatic cutting fluid supply device for CNC vertical lathe equipment according to claim 1, characterized in that: The liquid storage tank (1) and the centrifugal solid-liquid separator (2) are connected by a detachable flange.

8. The automatic cutting fluid supply device for CNC vertical lathe equipment according to claim 4, characterized in that: The connection between the transmission rod and the separation barrel (204) is provided with a shock-absorbing rubber bushing.

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