CN115284069B - Machine tool cutting fluid circulating device and control method thereof - Google Patents
Machine tool cutting fluid circulating device and control method thereof Download PDFInfo
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- CN115284069B CN115284069B CN202211187401.3A CN202211187401A CN115284069B CN 115284069 B CN115284069 B CN 115284069B CN 202211187401 A CN202211187401 A CN 202211187401A CN 115284069 B CN115284069 B CN 115284069B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The disclosure relates to the technical field of machine tools, in particular to a machine tool cutting fluid circulating device and a control method thereof. The first liquid level detection device is arranged in an inner cooling unit box body in the machine tool cutting fluid circulating device and connected with the control device and used for transmitting detected first liquid level information to the control device; and a second liquid level detection device is arranged in the chip removal machine unit box body, is connected with the control device and is used for transmitting the detected second liquid level information to the control device, and the control device is used for controlling the opening and closing of the cutting fluid supply device and the cutting fluid recycling supply device according to the first liquid level information and the second liquid level information. The control device respectively controls the opening and closing of the cutting fluid supply device and the cutting fluid recycling supply device through the first liquid level information and the second liquid level information, so that when the cutting fluid is insufficient, a machine tool cannot be immediately stopped in the machining process, and the possibility of damage to a cutter and a workpiece is reduced.
Description
Technical Field
The disclosure relates to the technical field of machine tools, in particular to a machine tool cutting fluid circulating device and a control method thereof.
Background
The numerical control machine tool is used for processing workpieces, and cutting fluid can be continuously lost along with the processing. When the traditional machine tool is used and the cutting fluid is insufficient and needs to be replenished, the machine tool immediately executes a command of closing the machining. The machine tool is directly closed for processing, and the hidden danger of damage of a cutter and a workpiece exists.
Disclosure of Invention
In order to solve the technical problem, the present disclosure provides a machine tool cutting fluid circulating device and a control method thereof.
The utility model provides a lathe cutting fluid circulating device includes: the device comprises a machine tool, an internal cooling unit box body, a chip removal machine unit box body, a cutting fluid supply device, a cutting fluid recycling supply device and a control device;
the cutting fluid supply device is used for conveying the cutting fluid in the inner cooling unit box body to the machine tool so as to provide the cutting fluid required by machining for a cutter;
the cutting fluid recycling and supplying device is used for conveying the cutting fluid in the chip removal machine unit box body to the inner cooling unit box body;
the cutting fluid supply device and the cutting fluid recycling and supplying device are both connected with the control device;
a first liquid level detection device is arranged in the inner cooling unit box body, and the first liquid level detection device is connected with the control device and is used for transmitting first liquid level information detected by the first liquid level detection device to the control device; a second liquid level detection device is arranged in the chip removal machine unit box body and is connected with the control device, and the second liquid level detection device is used for transmitting second liquid level information detected by the second liquid level detection device to the control device;
the first liquid level detection device comprises a first detection switch, a second detection switch, a third detection switch and a first induction device, and the first induction device is driven by a first floating body to move up and down along the first detection switch, the second detection switch and the third detection switch and generate first liquid level information;
the second liquid level detection device comprises a fourth detection switch, a fifth detection switch, a sixth detection switch and a second induction device, and the second induction device is driven by a second floating body to move up and down along the fourth detection switch, the fifth detection switch and the sixth detection switch and generate second liquid level information;
the control device controls the machine tool, the inner cooling unit box body, the chip removal machine unit box body, the cutting fluid supply device and the cutting fluid recycling and supplying device through the first liquid level information and the second liquid level information to realize cutting fluid circulation.
Further, the first detection switch, the second detection switch and the third detection switch are sequentially arranged at intervals from top to bottom along the vertical direction, and the first detection switch, the second detection switch and the third detection switch are all connected with the control device;
the first sensing device comprises a first sensing piece, a first connecting piece and a first floating body, wherein the first connecting piece is respectively connected with the first sensing piece and the first floating body;
the first floating body is used for driving the first induction piece to lift, and the first induction piece can trigger the first detection switch, the second detection switch or the third detection switch in the lifting process.
Further, the first sensing piece is in a long strip shape, the length of the first sensing piece is B1 along the vertical direction, the distance between the first detection switch and the second detection switch is L1, and the distance between the second detection switch and the third detection switch is L2;
wherein, the length of first response piece is B1 and satisfies: l2 < B1 < L1, so that the first sensing part does not trigger the first detection switch and the second detection switch when being positioned in the area between the first detection switch and the second detection switch, or the first sensing part can trigger the second detection switch simultaneously when triggering the third detection switch.
Further, the first liquid level detection device comprises a first bracket, and the first bracket is connected with the inner cooling unit box body;
the first bracket is provided with a first sliding groove extending along the vertical direction, and the first induction part is arranged in the first sliding groove in a sliding manner;
the first detection switch, the second detection switch and the third detection switch are all arranged on the first support.
Furthermore, the fourth detection switch, the fifth detection switch and the sixth detection switch are sequentially arranged at intervals from top to bottom along the vertical direction, and the fourth detection switch, the fifth detection switch and the sixth detection switch are all connected with the control device;
the second sensing device comprises a second sensing piece, a second connecting piece and a second floating body, and the second connecting piece is respectively connected with the second sensing piece and the second floating body;
the second floating body is used for driving the second induction piece to lift, and the second induction piece can trigger the fourth detection switch, the fifth detection switch or the sixth detection switch in the lifting process.
Further, the second sensing piece is long, the length of the second sensing piece is B2 along the vertical direction, the distance between the fourth detection switch and the fifth detection switch is D1, and the distance between the fifth detection switch and the sixth detection switch is D2;
wherein, the length of second response piece is B2 and satisfies: d2 is more than B2 and less than D1, so that the fourth detection switch and the fifth detection switch are not triggered when the second sensing piece is positioned in an area between the fourth detection switch and the fifth detection switch, or the fifth detection switch can be triggered simultaneously when the sixth detection switch is triggered by the second sensing piece.
Further, the second liquid level detection device comprises a second support, and the second support is connected with the chip removal machine unit box body;
the second bracket is provided with a second sliding groove extending along the vertical direction, and the second induction part is slidably arranged in the second sliding groove;
the fourth detection switch, the fifth detection switch and the sixth detection switch are all arranged on the second support.
Further, the device also comprises a spraying supply device, wherein the spraying supply device is used for supplying cutting fluid to a shield of the machine tool;
the spraying supply device is connected with the control device, and the control device is used for controlling whether the spraying supply device can be started or not according to the first liquid level information and the second liquid level information.
A second aspect of the present disclosure is a control method for a machine tool cutting fluid circulation device using the machine tool cutting fluid circulation device according to the first aspect, including the steps of:
the control device controls the cutting fluid supply device to be started, and the cutting fluid in the inner cooling unit box body is conveyed to the machine tool to provide cutting fluid required by machining for a cutter;
when the first sensing piece triggers the first detection switch, the control device controls the cutting fluid recycling and supplying device to be closed when the second sensing piece does not trigger any switch or when the second sensing piece triggers the fifth detection switch;
or when the first sensing piece does not trigger any switch, the control device controls the cutting fluid recycling and supplying device to be started when the second sensing piece triggers the fourth detection switch or does not trigger any switch; when the second sensing piece triggers the fifth detection switch or simultaneously triggers the fifth detection switch and the sixth detection switch, the control device controls the cutting fluid recycling and supplying device to be closed;
or when the first sensing piece triggers the second detection switch, and the second sensing piece triggers the fourth detection switch or does not trigger any switch, the control device controls the cutting fluid recycling and supplying device to be started; when the second sensing piece triggers the fifth detection switch, the control device sends out a signal that the cutting fluid is insufficient; when the second sensing piece triggers the fifth detection switch and the sixth detection switch simultaneously, the control device controls the cutting fluid recycling and supplying device to be closed;
or when the first sensing piece triggers the second detection switch and the third detection switch simultaneously and the second sensing piece triggers the fifth detection switch, the control device controls the cutting fluid recycling and supplying device to be started; when the second sensing piece triggers the fifth detection switch and the sixth detection switch simultaneously, the control device controls the internal cooling unit box body, the cutting fluid recycling and supplying device and the machine tool to be closed.
Further, when the first sensing piece does not trigger any switch and the second sensing piece simultaneously triggers the fifth detection switch and the sixth detection switch, the control device controls the spraying supply device not to be started;
or when the first sensing piece triggers the second detection switch and the second sensing piece simultaneously triggers the fifth detection switch and the sixth detection switch, the control device controls the spray supply device not to be started;
or when the first sensing piece triggers the second detection switch and the third detection switch simultaneously and the second sensing piece triggers the fifth detection switch and the sixth detection switch (73) simultaneously, the control device controls the spraying supply device not to be started.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
in the cutting fluid circulating device for the machine tool provided by the embodiment of the disclosure, a first liquid level detection device is arranged in a box body of an internal cooling unit, and the first liquid level detection device is connected with a control device and is used for transmitting first liquid level information detected by the first liquid level detection device to the control device; and a second liquid level detection device is arranged in the chip removal machine unit box body and is connected with the control device and used for transmitting second liquid level information detected by the second liquid level detection device to the control device, and the control device is used for controlling the opening and closing of the cutting fluid supply device and the cutting fluid recycling supply device according to the first liquid level information and the second liquid level information.
The cutting fluid recycling and supplying device comprises a first liquid level detection device, a second liquid level detection device, a control device and a cutting fluid recycling and supplying device, wherein the first liquid level detection device is used for detecting liquid level information in an inner cooling unit box body, the liquid level information is first liquid level information, the second liquid level detection device is used for detecting liquid level information in a chip removal machine unit box body, the liquid level information is second liquid level information, the control device respectively controls the cutting fluid supplying device and the cutting fluid recycling and supplying device to be opened and closed through the first liquid level information and the second liquid level information, when the cutting fluid is insufficient, a machine tool cannot be immediately stopped in the machining process, and the possibility of damage to a cutter and a workpiece is reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a machine tool cutting fluid circulating device according to an embodiment of the disclosure;
FIG. 2 is a schematic structural diagram of a first liquid level detection device in a machine tool cutting fluid circulation device according to an embodiment of the disclosure;
fig. 3 is a schematic diagram illustrating four sensing states of the first sensing element according to the embodiment of the disclosure;
fig. 4 is a schematic diagram illustrating four sensing states of the second sensing element according to the embodiment of the disclosure;
fig. 5 is a schematic view of an assembly structure of a first liquid level detection device in a machine tool cutting fluid circulation device according to the embodiment of the disclosure.
Reference numerals are as follows: 1. a machine tool; 2. an internal cooling unit box body; 3. a chip removal machine unit box; 4. a cutting fluid supply device; 5. a cutting fluid recycling and supplying device; 6. a first liquid level detection device; 61. a first detection switch; 62. a second detection switch; 63. a third detection switch; 7. a second liquid level detection device; 71. a fourth detection switch; 72. a fifth detection switch; 73. a sixth detection switch; 81. a first bracket; 82. a first sensing member; 83. a first float; 84. a first connecting member; 91. a second sensing member.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
With reference to fig. 1, fig. 2, fig. 3 and fig. 4, a cutting fluid circulating device for a machine tool according to an embodiment of the present disclosure includes a machine tool 1, an internal cooling unit box 2, a chip removal unit box 3, a cutting fluid supply device 4, a cutting fluid recycling supply device 5 and a control device; the cutting fluid supply device 4 is used for conveying the cutting fluid in the internal cooling unit box 2 to the machine tool 1 so as to provide the cutting fluid required by machining for the cutter; the cutting fluid recycling and supplying device 5 is used for conveying the cutting fluid in the chip removal machine unit box body 3 to the inner cooling unit box body 2; the cutting fluid supply device 4 and the cutting fluid recycling and supplying device 5 are both connected with a control device. The control device includes a controller.
The inner cooling unit box body 2 is internally provided with a first liquid level detection device 6, and the first liquid level detection device 6 is connected with the control device and used for transmitting first liquid level information detected by the first liquid level detection device 6 to the control device; and a second liquid level detection device 7 is arranged in the chip removal machine unit box body 3, the second liquid level detection device 7 is connected with the control device and used for transmitting second liquid level information detected by the second liquid level detection device 7 to the control device, and the control device is used for controlling the opening and closing of the cutting liquid supply device 4 and the cutting liquid recycling supply device 5 according to the first liquid level information and the second liquid level information.
This disclosed embodiment detects the liquid level information in the interior cold unit box 2 through first liquid level detection device 6, this liquid level information is first liquid level information, detect the liquid level information in chip removal machine unit box 3 through second liquid level detection device 7, this liquid level information is second liquid level information, controlling means controls opening and close of cutting fluid feeding device 4 and cutting fluid retrieval and utilization feeding device 5 respectively through first liquid level information and second liquid level information, when having ensured that the cutting fluid is insufficient, lathe 1 can not stop immediately in the course of working, the possibility of cutter and work piece damage has been reduced.
The first liquid level detection device 6 divides the cutting fluid in the internal cooling unit box body 2 into a circulating part and a standby part, and the second liquid level detection device 7 divides the cutting fluid in the chip removal unit box body 3 into a circulating part and a standby part. The circulating part is used for circulating the cutting fluid under a normal state, and the standby part is used for enabling the machining to be continued when the cutting fluid of the inner cooling box body is insufficient and meeting the requirement of spraying of the box body of the chip removal machine under a normal state.
And by taking the signal obtained by the first liquid level detection device 6 in the internal cooling unit box body 2 as a reference, when the signal detected by the first liquid level detection device 6 is a high liquid level, a no signal and a medium liquid level, the cutting fluid in the internal cooling unit box body 2 and the chip removal machine unit box body 3 is in a normal circulation state. When the signal of the first liquid level detection device 6 in the internal cooling unit box body 2 is a low liquid level and the signal obtained by the second liquid level detection device 7 in the chip cleaner unit box body 3 is a medium liquid level, the cutting fluid in the internal cooling unit box body 2 and the chip cleaner unit box body 3 is in a standby circulation state. Damage to the tool and the workpiece caused by direct stopping of the machine tool 1 can be avoided.
In some specific embodiments, the first liquid level detection device 6 comprises a first detection switch 61, a second detection switch 62, a third detection switch 63 and a first sensing device; first detection switch 61, second detection switch 62 and third detection switch 63 follow vertical direction from top to bottom in proper order the interval set up, and first detection switch 61, second detection switch 62 and third detection switch 63 all are connected with controlling means. The first detection switch 61, the second detection switch 62 and the third detection switch 63 respectively transmit the obtained plurality of first liquid level information to the control device.
The first sensing device comprises a first sensing member 82, a first connecting member 84 and a first floating body 83, wherein the first connecting member 84 is respectively connected with the first sensing member 82 and the first floating body 83; the first floating body 83 is used for driving the first sensing piece 82 to lift, and the first sensing piece 82 can trigger the first detection switch 61, the second detection switch 62 or the third detection switch 63 in the lifting process.
The first float 83 may be a float ball, and the first sensing member 82 may be lifted and lowered along with the lifting of the liquid level through the first float 83. The first, second, and third sensing switches 61, 62, and 63 are disposed at designated positions of a moving path of the first sensing member 82, and the first sensing member 82 may trigger the first, second, or third sensing switches 61, 62, or 63 to generate different signals during the lifting and lowering of the first floating body 83.
The control device obtains the liquid level information of the inner cooling unit box body 2 according to the signals sent by the first detection switch 61, the second detection switch 62 and the third detection switch 63. The first connecting member 84 may be a connecting rod or a connecting pipe. The first connecting member 84 is hard, and can drive the first sensing member 82 to lift when the first floating body 83 lifts along with the liquid level.
The first detection switch 61, the second detection switch 62, and the third detection switch 63 may be switches based on electromagnetic induction, or switches based on infrared induction, microwave induction, or photoelectric induction.
Optionally, the first sensing member 82 is long, optionally, the first sensing member 82 is a magnet, the first detection switch 61 is a first hall switch, the second detection switch 62 is a second hall switch, and the third detection switch 63 is a third hall switch, wherein when the magnet and the first hall switch transmit electromagnetic induction, the first hall switch generates a first signal; when the magnet sends electromagnetic induction with the second Hall switch, the second Hall switch generates a second signal; the third hall switch generates a third signal when the magnet sends an electromagnetic induction with the third hall switch.
The first detection switch 61, the second detection switch 62 and the third detection switch 63 are arranged along the high, middle and low sequence, and the induction signal obtained by the control device has four states: the cutting fluid recycling and supplying device comprises a high liquid level 100, a no-signal 000, a medium liquid level 010 and a low liquid level 011, and the cutting fluid supplying device 4 and the cutting fluid recycling and supplying device 5 are controlled to start and stop through the four signals.
In some specific embodiments, the first sensing member 82 has an elongated shape, and the length of the first sensing member 82 in the vertical direction is B1, the distance between the first detection switch 61 and the second detection switch 62 is L1, and the distance between the second detection switch 62 and the third detection switch 63 is L2; wherein, the length of the first sensing member 82 is B1 and satisfies: l2 < B1 < L1, so that the first sensing member 82 does not trigger the first detection switch 61 and the second detection switch 62 when being located in the region between the first detection switch 61 and the second detection switch 62, or the first sensing member 82 can trigger the second detection switch 62 simultaneously when triggering the third detection switch 63. Two non-induction stages of the first liquid level detection device 6 are changed into a non-induction stage, and false alarm of signals is effectively avoided.
Specifically, when the first sensing member 82 triggers the first detection switch 61, the first detection switch 61 generates a first signal and transmits the first signal to the control device, and the control device obtains a first sensing signal, that is, the cutting fluid in the internal cooling unit box 2 is at the high fluid level 100; when the first sensing piece 82 is located in the area between the first detection switch 61 and the second detection switch 62, the first sensing piece 82 does not trigger the first detection switch 61, the second detection switch 62 and the third detection switch 63, the first detection switch 61, the second detection switch 62 and the third detection switch 63 generate second signals and transmit the second signals to the control device, and the control device obtains second sensing signals, namely the cutting fluid information in the inner cooling unit box body 2 is no signal 000; when the first sensing piece 82 triggers the second detection switch 62, the second detection switch 62 obtains a third signal and transmits the third signal to the control device, and the control device obtains a third sensing signal, namely the cutting fluid in the internal cooling unit box body 2 is at the middle liquid level 010; when the first sensing member 82 triggers the second detecting switch 62 and the third detecting switch 63 at the same time, the second detecting switch 62 and the third detecting switch 63 generate a fourth signal, and the fourth signal is transmitted to the control device, and the control device obtains the fourth sensing signal, that is, the cutting fluid in the internal cooling unit box 2 is at a low liquid level 011.
The first level information may be a first signal, a second signal, a third signal, or a fourth signal.
In some embodiments, the first liquid level detection device 6 includes a first bracket 81, the first bracket 81 is connected with the inner cooling unit box 2, and the first bracket 81 and the inner cooling unit box 2 can be connected directly or through a connecting piece; first support 81 is equipped with the first spout that extends along vertical direction, and first response piece 82 slidable sets up in first spout.
Optionally, the first sensing member 82 is in sliding fit with the first sliding groove, so that when the first floating body 83 rises and falls along with the height of the liquid level, the first sensing member 82 can slide up and down in the first sliding groove. The first detection switch 61, the second detection switch 62 and the third detection switch 63 are all arranged on the first bracket 81, the first detection switch 61, the second detection switch 62 and the third detection switch 63 are arranged at the designated positions of the moving path of the first induction member 82, and in the lifting process of the first floating body 83, the first induction member 82 can trigger the first detection switch 61, the second detection switch 62 or the third detection switch 63 to generate different signals.
As shown in fig. 5, the first bracket 81 is disposed on the top of the internal cooling unit box 2, the first float 83 is disposed inside the internal cooling unit box 2, and the first connecting member 84 is connected to the first sensing member 82 and the first float 83, respectively; the first floating body 83 drives the first sensing part 82 to lift, and the first sensing part 82 can trigger the first detection switch 61, the second detection switch 62 or the third detection switch 63 in the lifting process. During the lifting process of the first floating body 83, the first sensing member 82 may trigger the first detection switch 61, the second detection switch 62 or the third detection switch 63 to generate different signals.
In some specific embodiments, the second liquid level detection device 7 includes a fourth detection switch 71, a fifth detection switch 72, a sixth detection switch 73 and a second sensing device; the fourth detection switch 71, the fifth detection switch 72 and the sixth detection switch 73 are arranged at intervals in sequence from top to bottom along the vertical direction, and the fourth detection switch 71, the fifth detection switch 72 and the sixth detection switch 73 are all connected with the control device. The fourth detection switch 71, the fifth detection switch 72, and the sixth detection switch 73 transmit the obtained signals to the control device, respectively.
The second induction device comprises a second induction piece 91, a second connecting piece and a second floating body, and the second connecting piece is respectively connected with the second induction piece 91 and the second floating body; the second floating body is used for driving the second sensing piece 91 to lift, and the second sensing piece 91 can trigger the fourth detection switch 71, the fifth detection switch 72 or the sixth detection switch 73 in the lifting process.
The second floating body may be a floating ball, and the second sensing member 91 may be lifted and lowered along with the lifting of the liquid level by the second floating body.
The fourth detection switch 71, the fifth detection switch 72 and the sixth detection switch 73 are arranged at designated positions of a moving path of the second sensing member 91, and the second sensing member 91 can trigger the fourth detection switch 71, the fifth detection switch 72 or the sixth detection switch 73 to generate different second liquid level information during the lifting process of the second floating body. And the control device obtains the liquid level information of the tank body 3 of the chip removal machine unit according to the second liquid level information sent by the fourth detection switch 71, the fifth detection switch 72 and the sixth detection switch 73. The second connecting piece can be a connecting rod or a connecting pipe. The second connecting piece is hard, so that the second floating body drives the second sensing piece 91 to lift along with the lifting of the liquid level.
The fourth detection switch 71, the fifth detection switch 72, and the sixth detection switch 73 may be switches based on electromagnetic induction, or switches based on infrared induction, microwave induction, or photoelectric induction.
Optionally, the second sensing piece 91 is long, optionally, the second sensing piece 91 is a magnet, the fourth detection switch 71 is a fourth hall switch, the fifth detection switch 72 is a fifth hall switch, and the sixth detection switch 73 is a sixth hall switch, wherein when the magnet and the fourth hall switch transmit electromagnetic induction, the fourth hall switch generates a fourth signal; when the magnet sends electromagnetic induction with the fifth Hall switch, the fifth Hall switch generates a fifth signal; the sixth hall switch generates a sixth signal when the magnet sends an electromagnetic induction with the sixth hall switch.
The fourth detection switch 71, the fifth detection switch 72 and the sixth detection switch 73 are arranged in the high, middle and low sequence, and the induction signal obtained by the control device has four states: the cutting fluid recycling and supplying device comprises a high liquid level 100, a no-signal 000, a medium liquid level 010 and a low liquid level 011, and the cutting fluid supplying device 4 and the cutting fluid recycling and supplying device 5 are controlled to start and stop through the four signals.
In some specific embodiments, the second sensing member 91 has an elongated shape, and the length of the second sensing member 91 in the vertical direction is B2, the distance between the fourth detection switch 71 and the fifth detection switch 72 is D1, and the distance between the fifth detection switch 72 and the sixth detection switch 73 is D2; wherein, the length of the second sensing piece 91 is B2 and satisfies: d2 is greater than B2 and less than D1, so that the second sensing member 91 does not trigger the fourth detection switch 71 and the fifth detection switch 72 when being located in the area between the fourth detection switch 71 and the fifth detection switch 72, or the second sensing member 91 can trigger the fifth detection switch 72 when triggering the sixth detection switch 73, so that the two non-sensing stages of the second liquid level detection device 7 are changed into a non-sensing stage, and false alarm of signals is effectively avoided.
Specifically, when the second sensing member 91 triggers the fourth detection switch 71, the fourth detection switch 71 generates a fifth signal and transmits the fifth signal to the control device, and the control device obtains a fifth sensing signal, that is, the cutting fluid in the tank 3 of the chip removal unit is at a high fluid level of 100; when the second sensing piece 91 is located in the area between the fourth detection switch 71 and the fifth detection switch 72, the second sensing piece 91 does not trigger the fourth detection switch 71, the fifth detection switch 72 and the sixth detection switch 73, the fourth detection switch 71, the fifth detection switch 72 and the sixth detection switch 73 generate a sixth signal and transmit the sixth signal to the control device, and the control device obtains a sixth sensing signal, namely that the cutting fluid information in the chip remover unit box 3 is a no-signal 000; when the second sensing piece 91 triggers the fifth detection switch 72, the fifth detection switch 72 obtains a seventh signal and transmits the seventh signal to the control device, and the control device obtains a seventh sensing signal, namely that the cutting fluid in the chip remover unit box body 3 is at the middle liquid level 010; when the second sensing member 91 triggers the fifth detection switch 72 and the sixth detection switch 73 simultaneously, the fifth detection switch 72 and the sixth detection switch 73 generate an eighth signal and transmit the eighth signal to the control device, and the control device obtains an eighth sensing signal, namely that the cutting fluid in the chip remover unit box 3 is at a low fluid level 011.
The second liquid level information may be a fifth signal, a sixth signal, a seventh signal, or an eighth signal.
In some embodiments, the second liquid level detection device 7 comprises a second bracket, the second bracket is connected with the chip remover unit box body 3, and the second bracket and the chip remover unit box body 3 can be directly connected or connected through a connecting piece; the second support is provided with a second sliding groove extending along the vertical direction, and the second sensing piece 91 is slidably arranged in the second sliding groove.
Optionally, the second sensing member 91 is in sliding fit with the second sliding groove, so that when the second floating body rises and falls along with the height of the liquid level, the second sensing member 91 can slide up and down in the second sliding groove. The fourth detection switch 71, the fifth detection switch 72, and the sixth detection switch 73 are provided on the second bracket. The fourth detection switch 71, the fifth detection switch 72 and the sixth detection switch 73 are arranged at designated positions of a moving path of the second sensing member 91, and the second sensing member 91 can trigger the fourth detection switch 71, the fifth detection switch 72 or the sixth detection switch 73 to generate different signals during the lifting process of the second floating body.
In some specific embodiments, the machine tool cutting fluid circulating device further comprises a spray supply device, wherein the spray supply device is used for supplying cutting fluid to a shield of the machine tool 1; the spraying supply device is connected with the control device, and the control device is used for controlling whether the spraying supply device can be started or not according to the first liquid level information and the second liquid level information.
The spraying supply device is used for supplying cutting fluid for washing chips on the shield of the machine tool 1 and the like, the circulating part is used for circulating the cutting fluid under the normal state, and the standby part is used for continuing processing when the cutting fluid of the internal cooling unit box body 2 is insufficient and spraying the chips on the chip removal unit box body 3 under the normal state.
With the progress of the machining of the machine tool 1, the cutting fluid is continuously consumed, and the cutting fluid circulation control principle is as follows:
1. under normal state, the cutting fluid liquid levels of the internal cooling unit box body 2 and the chip removal machine unit box body 3 are both positioned between a high liquid level and a middle liquid level. After the machining is started, the cutting fluid supply device 4 of the internal cooling unit box body 2 is started, the cutting fluid in the internal cooling unit box body 2 is conveyed to the cutter workpiece of the machine tool 1 for machining, the cutting fluid conveyed to the cutter workpiece flows back to the chip removal machine along the machine tool 1, the liquid level of the cutting fluid in the internal cooling unit box body 2 is lowered along with the machining, and the liquid level of the cutting fluid in the chip removal machine unit box body 3 is raised.
2. Along with the change of the tank body liquid level in the 1 st stage, the liquid level in the first liquid level detection device 6 of the internal cooling unit tank body 2 is triggered or the high liquid level of the second liquid level detection device 7 of the chip cleaner unit tank body 3 is triggered, the cutting fluid recycling and supplying device 5 of the chip cleaner unit tank body 3 is started, and the cutting fluid in the chip cleaner unit tank body 3 is conveyed back to the internal cooling unit tank body 2. Along with the operation of the cutting fluid recycling and supplying device 5, the liquid level of the cutting fluid in the chip removal machine unit box body 3 is lowered, the liquid level of the cutting fluid in the inner cooling unit box body 2 is raised, and the circulation of the cutting fluid ensures the normal operation of processing.
3. Along with the change of the tank body liquid level in the 2 nd stage, the high liquid level of a first liquid level detection device 6 of the internal cooling unit tank body 2 is triggered or the liquid level of a second liquid level detection device 7 of the chip cleaner unit tank body 3 is triggered, and a cutting liquid recycling and supplying device 5 of the chip cleaner unit tank body 3 is closed. The cutting fluid is circulated back to the stage 1 to repeat as the machining progresses.
4. When the cutting fluid supply device 4 of the internal cooling unit box body 2 is opened for a period of time, the fluid level in the fluid level detection device of the internal cooling unit box body 2 is triggered, the cutting fluid recycling supply device 5 of the chip removal machine unit box body 3 is opened, the cutting fluid in the chip removal machine flows to the internal cooling unit box body 2, the fluid level in the second fluid level detection device 7 of the chip removal machine unit box body 3 is also triggered after a period of time, the fluid levels in the first fluid level detection devices 6 and the second fluid level detection devices 7 of the two box bodies are both in a triggered state, the machine tool 1 prompts that the cutting fluid is insufficient, the cutting fluid is required to be supplemented in time, the machine tool 1 cannot be stopped immediately, the cutting fluid recycling supply device 5 of the chip removal machine unit box body 3 is opened, and the cutting fluid between the fluid level and the low fluid level of the chip removal machine unit box body 3 is conveyed to the internal cooling unit box body 2 for processing to continue. And when the low liquid level of the second liquid level detection device 7 of the chip cleaner unit box body 3 is triggered, the cutting liquid recycling and supplying device 5 of the chip cleaner unit is closed, and the spraying device of the chip cleaner unit box body 3 cannot be opened. The above method can be used to stop the machining of the machine tool 1 after a delay when the amount of cutting fluid is small.
The control method of the machine tool cutting fluid circulating device provided by the embodiment of the disclosure comprises the following steps:
the control device controls the cutting fluid supply device 4 to be opened, and the cutting fluid in the inner cooling unit box 2 is conveyed to the machine tool 1 to provide the cutting fluid required by machining for the cutter. Under normal conditions, the cutting fluid liquid levels of the internal cooling unit box body 2 and the chip removal machine unit box body 3 are both positioned between the high liquid level and the middle liquid level. After the machining is started, the cutting fluid supply device 4 of the internal cooling unit box body 2 is started, the cutting fluid in the internal cooling unit box body 2 is conveyed to the position of a tool workpiece of the machine tool 1 for machining, and the cutting fluid conveyed to the position of the tool workpiece flows back to the chip removal machine along the machine tool 1.
The following table shows that the embodiments of the present disclosure also provide a control method of the machine tool cutting fluid circulating device, and the machine tool cutting fluid circulating device provided by the embodiments of the present disclosure is used.
When the first sensing member 82 triggers the first detection switch 61, when the second sensing member 91 does not trigger any switch or when the second sensing member 91 triggers the fifth detection switch 72, the control device controls the cutting fluid recycling and supplying device 5 to be turned off. In other words, when the first liquid level detection device 6 of the internal cooling unit box body 2 is triggered by a high liquid level, if the second liquid level detection device 7 of the chip cleaner unit box body 3 detects that the liquid level of the chip cleaner unit box body 3 is between a middle liquid level and a high liquid level, the control device controls the cutting fluid recycling and supplying device 5 to be closed; if the second liquid level detection device 7 of the chip removal machine unit box body 3 detects the trigger of the middle liquid level, the control device controls the cutting fluid recycling and supplying device 5 to be closed.
Or, when the first sensing member 82 does not trigger any switch, and the second sensing member 91 triggers the fourth detection switch 71 or does not trigger any switch, the control device controls the cutting fluid recycling and supplying device 5 to be started; when the second sensing member 91 triggers the fifth detection switch 72 or simultaneously triggers the fifth detection switch 72 and the sixth detection switch 73, the control device controls the cutting fluid recycling and supplying device 5 to be closed.
In other words, when the liquid level in the internal cooling unit box body 2 detected by the first liquid level detection device 6 of the internal cooling unit box body 2 is between a high liquid level and a medium liquid level, if the second liquid level detection device 7 of the chip cleaner unit box body 3 is triggered by the high liquid level, the control device controls the cutting fluid recycling and supplying device 5 to be started; if the second liquid level detection device 7 of the chip cleaner unit box body 3 detects that the liquid level of the chip cleaner unit box body 3 is between the middle liquid level and the high liquid level, the control device controls the cutting liquid recycling and supplying device 5 to maintain the existing action; if the liquid level in the second liquid level detection device 7 of the chip removal machine unit box body 3 is triggered, the control device controls the cutting liquid recycling and supplying device 5 to be closed; if the second liquid level detection device 7 of the chip removal machine unit box body 3 is triggered by low liquid level, the control device controls the cutting fluid recycling and supplying device 5 to be closed.
Or when the first sensing member 82 triggers the second detection switch 62, and the second sensing member 91 triggers the fourth detection switch 71 or does not trigger any switch, the control device controls the cutting fluid recycling and supplying device 5 to be started; when the second sensing member 91 triggers the fifth detection switch 72, the control device sends out a signal that the cutting fluid is insufficient; when the second sensor 91 triggers the fifth detection switch 72 and the sixth detection switch 73 at the same time, the control device controls the cutting fluid recycling and supplying device 5 to be closed.
In other words, when the liquid level in the first liquid level detection device 6 of the internal cooling unit box body 2 is triggered, if the liquid level in the second liquid level detection device 7 of the chip cleaner unit box body 3 is triggered at a high liquid level, the control device controls the cutting fluid recycling and supplying device 5 to be started; if the second liquid level detection device 7 of the chip cleaner unit box body 3 detects that the liquid level of the chip cleaner unit box body 3 is between the middle liquid level and the high liquid level, the control device controls the cutting liquid recycling and supplying device 5 to be started; if the liquid level in the second liquid level detection device 7 of the chip removal machine unit box body 3 is triggered, the control device controls the machine tool 1 to prompt that the cutting fluid is insufficient and the cutting fluid is required to be supplemented in time and controls the cutting fluid recycling and supplying device 5 to be started; if the second liquid level detection device 7 of the chip removal machine unit box body 3 is triggered by a low liquid level, the control device controls the cutting liquid recycling and supplying device 5 to be closed.
Or, when the first sensor 82 triggers the second detection switch 62 and the third detection switch 63 simultaneously, and the second sensor 91 triggers the fifth detection switch 72, the control device controls the cutting fluid recycling and supplying device 5 to be started; when the second sensor 91 triggers the fifth detection switch 72 and the sixth detection switch 73 simultaneously, the control device controls the internal cooling unit box 2, the cutting fluid recycling and supplying device 5 and the machine tool 1 to be closed.
In other words, when the first liquid level detection device 6 of the internal cooling unit box body 2 is triggered by a low liquid level, if the liquid level in the second liquid level detection device 7 of the chip cleaner unit box body 3 is triggered, the control device controls the cutting fluid recycling and supplying device 5 to be started; if the second liquid level detection device 7 of the chip removal machine unit box body 3 is triggered by a low liquid level, the control device controls the cutting liquid recycling and supplying device 5 to be closed, and the machine tool 1 is stopped.
In some embodiments, the control device controls the spray supply device not to be turned on when the first sensing member 82 does not trigger any switch and the second sensing member 91 simultaneously triggers the fifth detection switch 72 and the sixth detection switch 73. In other words, the liquid level in the internal cooling unit box 2 detected by the first liquid level detection device 6 of the internal cooling unit box 2 is between the high liquid level and the medium liquid level, and the second liquid level detection device 7 of the chip cleaner unit box 3 is triggered by the low liquid level, so that the control device controls the spraying supply device not to be started.
Or, when the first sensing member 82 triggers the second detection switch 62 and the second sensing member 91 simultaneously triggers the fifth detection switch 72 and the sixth detection switch 73, the control device controls the spray supply device not to be turned on. In other words, if the liquid level in the first liquid level detection device 6 of the internal cooling unit box body 2 is triggered and the liquid level in the second liquid level detection device 7 of the chip cleaner unit box body 3 is triggered at a low liquid level, the control device controls the spraying supply device to be not started.
Or, when the first sensing member 82 simultaneously triggers the second detection switch 62 and the third detection switch 63 and the second sensing member 91 simultaneously triggers the fifth detection switch 72 and the sixth detection switch 73, the control device controls the spray supply device not to be turned on. In other words, when the first liquid level detection device 6 of the internal cooling unit box body 2 is triggered by a low liquid level and the second liquid level detection device 7 of the chip removal machine unit box body 3 is triggered by a low liquid level, the control device controls the spraying supply device to be not started.
Except the condition that the spraying supply device can not be opened, the control device can control the spraying supply device to be opened.
It is noted that, in this document, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A machine tool cutting fluid circulating device, comprising: the machine tool comprises a machine tool (1), an inner cooling unit box body (2), a chip removal machine unit box body (3), a cutting fluid supply device (4), a cutting fluid recycling supply device (5) and a control device;
the cutting fluid supply device (4) is used for conveying the cutting fluid in the internal cooling unit box body (2) to the machine tool (1) so as to provide the cutting fluid required by machining for a cutter;
the cutting fluid recycling and supplying device (5) is used for conveying the cutting fluid in the chip removal machine unit box body (3) to the inner cooling unit box body (2);
the cutting fluid supply device (4) and the cutting fluid recycling supply device (5) are both connected with the control device;
a first liquid level detection device (6) is arranged in the inner cooling unit box body (2), and the first liquid level detection device (6) is connected with the control device and used for transmitting first liquid level information detected by the first liquid level detection device (6) to the control device; a second liquid level detection device (7) is arranged in the chip removal machine unit box body (3), and the second liquid level detection device (7) is connected with the control device and used for transmitting second liquid level information detected by the second liquid level detection device (7) to the control device;
the first liquid level detection device (6) comprises a first detection switch (61), a second detection switch (62), a third detection switch (63) and a first induction device, and the first induction device is driven by a first floating body (83) to move up and down along the first detection switch (61), the second detection switch (62) and the third detection switch (63) and generate first liquid level information;
the second liquid level detection device (7) comprises a fourth detection switch (71), a fifth detection switch (72), a sixth detection switch (73) and a second induction device, and the second induction device is driven by a second floating body to move up and down along the fourth detection switch (71), the fifth detection switch (72) and the sixth detection switch (73) and generate second liquid level information;
the control device controls the machine tool (1), the inner cooling unit box body (2), the chip removal machine unit box body (3), the cutting fluid supply device (4) and the cutting fluid recycling and supplying device (5) to realize cutting fluid circulation through the first liquid level information and the second liquid level information;
the first sensing device comprises a first sensing piece (82), the first sensing piece (82) is long, the length of the first sensing piece (82) is B1 along the vertical direction, the distance between the first detection switch (61) and the second detection switch (62) is L1, and the distance between the second detection switch (62) and the third detection switch (63) is L2;
wherein the length of the first sensing piece (82) is B1, and the following conditions are satisfied: l2 < B1 < L1, so that the first sensing piece (82) does not trigger the first detection switch (61) and the second detection switch (62) when being positioned in an area between the first detection switch (61) and the second detection switch (62), or the first sensing piece (82) can trigger the second detection switch (62) when triggering the third detection switch (63);
the second sensing device comprises a second sensing piece (91), the second sensing piece (91) is long, the length of the second sensing piece (91) is B2 along the vertical direction, the distance between the fourth detection switch (71) and the fifth detection switch (72) is D1, and the distance between the fifth detection switch (72) and the sixth detection switch (73) is D2;
wherein the length of the second sensing piece (91) is B2 and satisfies the following conditions: d2 < B2 < D1, so that the second sensing piece (91) does not trigger the fourth detection switch (71) and the fifth detection switch (72) when being positioned in an area between the fourth detection switch (71) and the fifth detection switch (72), or the second sensing piece (91) can trigger the fifth detection switch (72) when triggering the sixth detection switch (73);
the device also comprises a spraying supply device which is used for providing cutting fluid for the shield of the machine tool (1);
the spraying supply device is connected with the control device, and the control device is used for controlling whether the spraying supply device can be started or not according to the first liquid level information and the second liquid level information;
when the first sensing piece (82) does not trigger any switch and the second sensing piece (91) simultaneously triggers the fifth detection switch (72) and the sixth detection switch (73), the control device controls the spraying supply device not to be started;
or when the first sensing piece (82) triggers the second detection switch (62) and the second sensing piece (91) simultaneously triggers the fifth detection switch (72) and the sixth detection switch (73), the control device controls the spraying supply device not to be started;
or when the first sensing piece (82) triggers the second detection switch (62) and the third detection switch (63) simultaneously and the second sensing piece (91) triggers the fifth detection switch (72) and the sixth detection switch (73) simultaneously, the control device controls the spraying supply device not to be started.
2. The machine tool cutting fluid circulating device according to claim 1, wherein the first detection switch (61), the second detection switch (62) and the third detection switch (63) are arranged at intervals in sequence from top to bottom along a vertical direction, and the first detection switch (61), the second detection switch (62) and the third detection switch (63) are all connected with the control device;
the first sensing device comprises a first connecting piece (84) and a first floating body (83), wherein the first connecting piece (84) is respectively connected with the first sensing piece (82) and the first floating body (83);
the first floating body (83) is used for driving the first sensing piece (82) to lift, and the first sensing piece (82) can trigger the first detection switch (61), the second detection switch (62) or the third detection switch (63) in the lifting process.
3. The machine tool cutting fluid circulating device according to claim 2, wherein the first fluid level detecting device (6) comprises a first bracket (81), and the first bracket (81) is connected with the inner cooling unit box body (2);
the first bracket (81) is provided with a first sliding groove extending along the vertical direction, and the first induction piece (82) is arranged on the first sliding groove in a sliding manner;
the first detection switch (61), the second detection switch (62) and the third detection switch (63) are all arranged on the first support (81).
4. The machine tool cutting fluid circulating device according to claim 1, wherein the fourth detection switch (71), the fifth detection switch (72) and the sixth detection switch (73) are arranged at intervals in sequence from top to bottom in the vertical direction, and the fourth detection switch (71), the fifth detection switch (72) and the sixth detection switch (73) are all connected with the control device;
the second sensing device comprises a second connecting piece and a second floating body, and the second connecting piece is respectively connected with the second sensing piece (91) and the second floating body;
the second floating body is used for driving the second sensing piece (91) to lift, and the second sensing piece (91) can trigger the fourth detection switch (71), the fifth detection switch (72) or the sixth detection switch (73) in the lifting process.
5. The machine tool cutting fluid circulating device according to claim 4, characterized in that the second fluid level detecting device (7) comprises a second bracket connected with the chip remover unit box (3);
the second bracket is provided with a second sliding groove extending along the vertical direction, and the second induction piece (91) is arranged in the second sliding groove in a sliding manner;
the fourth detection switch (71), the fifth detection switch (72) and the sixth detection switch (73) are all arranged on the second bracket.
6. A control method of a machine tool cutting fluid circulating apparatus using the machine tool cutting fluid circulating apparatus according to any one of claims 1 to 5, characterized by comprising the steps of:
the control device controls the cutting fluid supply device (4) to be opened, and the cutting fluid in the internal cooling unit box body (2) is conveyed to the machine tool (1) to provide the cutting fluid required by machining for a cutter;
when the first sensing piece (82) triggers the first detection switch (61), when the second sensing piece (91) does not trigger any switch or when the second sensing piece (91) triggers the fifth detection switch (72), the control device controls the cutting fluid recycling and supplying device (5) to be closed;
or, when the first sensing piece (82) does not trigger any switch, the second sensing piece (91) triggers the fourth detection switch (71) or does not trigger any switch, the control device controls the cutting fluid recycling and supplying device (5) to be started; when a second sensing piece (91) triggers the fifth detection switch (72) or simultaneously triggers the fifth detection switch (72) and a sixth detection switch (73), the control device controls the cutting fluid recycling and supplying device (5) to be closed;
or, when the first sensing piece (82) triggers the second detection switch (62), and when the second sensing piece (91) triggers the fourth detection switch (71) or does not trigger any switch, the control device controls the cutting fluid recycling and supplying device (5) to be started; when the second sensing piece (91) triggers the fifth detection switch (72), the control device sends out a signal that the cutting fluid is insufficient; when the second sensing piece (91) triggers the fifth detection switch (72) and the sixth detection switch (73) at the same time, the control device controls the cutting fluid recycling and supplying device (5) to be closed;
or when the first sensing piece (82) triggers the second detection switch (62) and the third detection switch (63) simultaneously, and the second sensing piece (91) triggers the fifth detection switch (72), the control device controls the cutting fluid recycling and supplying device (5) to be started; when the second sensing piece (91) triggers the fifth detection switch (72) and the sixth detection switch (73) at the same time, the control device controls the internal cooling unit box body (2), the cutting fluid recycling and supplying device (5) and the machine tool (1) to be closed.
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