CN110449958B - Tool changing method and device for machine tool, storage medium and processor - Google Patents
Tool changing method and device for machine tool, storage medium and processor Download PDFInfo
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- CN110449958B CN110449958B CN201910741077.7A CN201910741077A CN110449958B CN 110449958 B CN110449958 B CN 110449958B CN 201910741077 A CN201910741077 A CN 201910741077A CN 110449958 B CN110449958 B CN 110449958B
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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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
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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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
- B23Q3/15546—Devices for recognizing tools in a storage device, e.g. coding devices
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- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
The invention discloses a tool changing method and device for a machine tool, a storage medium and a processor. Wherein, the method comprises the following steps: acquiring a tool changing signal, wherein the tool changing signal indicates that a preset machine tool requests to execute tool changing operation, and the tool changing signal carries characteristic information I corresponding to-be-cut; determining characteristic information II of a target cutter for cutting the object to be cut according to the characteristic information I of the object to be cut; generating a tool changing signal according to the second characteristic information of the target tool and the first characteristic information, and transmitting the tool changing signal to a tool magazine module, wherein the tool magazine module is used for integrating input signals and output signals of a tool magazine for placing the target tool; and controlling the tool magazine to perform tool changing operation on a predetermined machine tool based on the tool changing signal. The invention solves the technical problem that the fault rate of the machine tool is improved due to the complicated wiring of the tool magazine in the tool changing process of the machine tool in the related technology.
Description
Technical Field
The invention relates to the technical field of machine tool control, in particular to a tool changing method and device of a machine tool, a storage medium and a processor.
Background
An automatic tool changer-tool magazine is generally configured for a high-end vertical machining center, and for an economical vertical machining center client, the automatic tool changing function is omitted for saving cost, and manual tool setting operation is adopted. Therefore, the function of the tool magazine is embodied in the technical requirements as an option matching function.
In the prior art, the tool magazine function needs to be added into an electric control cabinet, accessories such as an intermediate relay, an alternating current contactor and a motor protector are added, signals of an input part are connected into a system IO control board one by one, a coil control line of an actuating mechanism is connected to the system IO control board, and then the accessories such as the intermediate relay, the alternating current contactor and the motor protector are controlled and wired. That is, in traditional digit control machine tool, the tool magazine is as an automatic tool changer, and not every lathe configuration this function, and contained a plurality of input/output signal in the tool magazine control, the wiring is loaded down with trivial details and account for the space, has also promoted the lathe fault rate simultaneously.
Aiming at the problem that the fault rate of the machine tool is improved due to the complicated wiring of the tool magazine in the tool changing process of the machine tool in the related technology, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the invention provides a tool changing method and device of a machine tool, a storage medium and a processor, which are used for at least solving the technical problem that the fault rate of the machine tool is improved due to complicated wiring of a tool magazine in the tool changing process of the machine tool in the related technology.
According to an aspect of an embodiment of the present invention, there is provided a tool changing method of a machine tool, including: acquiring a tool changing signal, wherein the tool changing signal indicates that a preset machine tool requests to execute tool changing operation, and the tool changing signal carries characteristic information I corresponding to-be-cut; determining characteristic information II of a target cutter for cutting the object to be cut according to the characteristic information I of the object to be cut; generating a tool changing signal according to the second characteristic information of the target tool and the first characteristic information, and transmitting the tool changing signal to a tool magazine module, wherein the tool magazine module is used for integrating an input signal and an output signal of a tool magazine for placing the target tool; and controlling the tool magazine to execute tool changing operation on the preset machine tool based on the tool changing signal.
Optionally, after acquiring the tool changing signal, the tool changing method of the machine tool further includes: and generating a prompt message based on the tool changing signal, wherein the prompt message is used for prompting that the tool magazine module is connected with a numerical control system corresponding to the preset machine tool through a bus, and the numerical control system reads input signals and output signals of the tool magazine integrated in the tool magazine module through the bus.
Optionally, determining second characteristic information of a target cutter used for cutting the object to be cut according to the first characteristic information of the object to be cut includes: inputting the first characteristic information of the object to be cut into a predetermined model, wherein the predetermined model is obtained by using a plurality of groups of training data through machine learning training, and each group of training data in the plurality of groups of training data comprises: the characteristic information I of the object to be cut and the characteristic information II of the target cutter corresponding to the characteristic information I of the object to be cut are obtained; and acquiring the output of the preset model, and converting the output of the preset model into second characteristic information of the target tool.
Optionally, the input signal comprises: a tool sleeve motor overload detection signal, a manipulator motor overload detection signal, a tool sleeve push-out detection signal, a tool sleeve withdrawing detection signal, a tool magazine motor origin detection signal, a tool magazine counting induction signal, a manipulator origin detection signal, a manipulator clasp tool in-place detection signal and a manipulator brake detection signal; the output signal includes: the knife sleeve pushes out the electromagnetic valve signal, and the knife sleeve withdraws the electromagnetic valve signal.
Optionally, the controlling the tool magazine to perform a tool changing operation on the predetermined machine tool based on the tool changing signal includes: determining the installation position of a current historical tool installed on a machining platform of the preset machine tool, and moving the historical tool out of the installation position; moving a target tool in the tool magazine to the mounting position based on the tool changing signal; and under the control of the tool changing signal, mounting the target tool at the mounting position.
Optionally, after controlling the tool magazine to perform a tool changing operation on the predetermined machine tool based on the tool changing signal, the tool changing method of the machine tool further includes: generating an ending signal when the preset tool magazine finishes cutting the object to be cut; and generating reminding information based on the end signal, wherein the reminding information is used for reminding to disconnect the connection between the bus and the numerical control system.
According to another aspect of the embodiments of the present invention, there is also provided a tool changer for a machine tool, including: the tool changing device comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring a tool changing signal, the tool changing signal indicates that a preset machine tool requests to execute tool changing operation, and the tool changing signal carries characteristic information I corresponding to-be-cut; the determining unit is used for determining characteristic information II of a target cutter for cutting the object to be cut according to the characteristic information I of the object to be cut; the generating unit is used for generating a tool changing signal according to the second characteristic information of the target tool and the first characteristic information, and transmitting the tool changing signal to a tool magazine module, wherein the tool magazine module is used for integrating input signals and output signals of a tool magazine for placing the target tool; and the control unit is used for controlling the tool magazine to execute tool changing operation on the preset machine tool based on the tool changing signal.
Optionally, the tool changer of the machine tool further comprises: the generation unit is further used for generating a prompt message based on the tool changing signal after the tool changing signal is acquired, wherein the prompt message is used for prompting that the tool magazine module is connected with a numerical control system corresponding to the preset machine tool through a bus, and the numerical control system reads input signals and output signals of a tool magazine integrated in the tool magazine module through the bus.
Optionally, the determining unit includes: the input module is used for inputting the first characteristic information of the object to be cut into a preset model, wherein the preset model is obtained by using a plurality of groups of training data through machine learning training, and each group of training data in the plurality of groups of training data comprises: the characteristic information I of the object to be cut and the characteristic information II of the target cutter corresponding to the characteristic information I of the object to be cut are obtained; and the acquisition module is used for acquiring the output of the preset model and converting the output of the preset model into second characteristic information of the target tool.
Optionally, the input signal comprises: a tool sleeve motor overload detection signal, a manipulator motor overload detection signal, a tool sleeve push-out detection signal, a tool sleeve withdrawing detection signal, a tool magazine motor origin detection signal, a tool magazine counting induction signal, a manipulator origin detection signal, a manipulator clasp tool in-place detection signal and a manipulator brake detection signal; the output signal includes: the knife sleeve pushes out the electromagnetic valve signal, and the knife sleeve withdraws the electromagnetic valve signal.
Optionally, the control unit comprises: the moving-out module is used for determining the installation position of the current historical tool installed on the machining platform of the preset machine tool and moving the historical tool out of the installation position; the moving module is used for moving a target cutter in the tool magazine to the mounting position based on the tool changing signal; and the mounting module is used for mounting the target cutter at the mounting position under the control of the cutter changing signal.
Optionally, the tool changer of the machine tool further comprises: the generating unit is further used for generating an ending signal when the preset tool magazine finishes cutting the object to be cut after controlling the tool magazine to execute tool changing operation on the preset machine tool based on the tool changing signal; the generating unit is further configured to generate a reminding message based on the end signal, where the reminding message is used to prompt disconnection of the bus from the numerical control system.
According to another aspect of an embodiment of the present invention, there is also provided a storage medium including a stored program, wherein the program executes the tool changing method of the machine tool described in any one of the above.
According to another aspect of the embodiment of the present invention, there is also provided a processor for executing a program, wherein the program is executed to execute the tool changing method of the machine tool described in any one of the above.
In the embodiment of the invention, a tool changing signal is obtained, wherein the tool changing signal indicates that a preset machine tool requests to execute tool changing operation, and the tool changing signal carries characteristic information I corresponding to-be-cut; determining characteristic information II of a target cutter for cutting the object to be cut according to the characteristic information I of the object to be cut; generating a tool changing signal according to the second characteristic information of the target tool and the first characteristic information, and transmitting the tool changing signal to a tool magazine module, wherein the tool magazine module is used for integrating input signals and output signals of a tool magazine for placing the target tool; the tool changing method of the machine tool provided by the embodiment of the invention realizes the purpose of centralized management of the tool magazine, thereby achieving the technical effect of reducing the fault rate of the machine tool and further solving the technical problem that the fault rate of the machine tool is improved due to complicated wiring of the tool magazine in the tool changing process of the machine tool in the related technology.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flowchart of a tool changing method of a machine tool according to an embodiment of the invention;
fig. 2 is a structural view of a tool changing method of a machine tool according to an embodiment of the present invention;
FIG. 3 is a block diagram of a tool magazine module according to an embodiment of the invention;
fig. 4 is a schematic view of a tool changer of a machine tool according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
According to an embodiment of the present invention, there is provided a method embodiment of a tool changing method for a machine tool, it is noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than here.
Fig. 1 is a flowchart of a tool changing method of a machine tool according to an embodiment of the present invention, as shown in fig. 1, the tool changing method of the machine tool includes the steps of:
step S102, a tool changing signal is obtained, wherein the tool changing signal indicates that a preset machine tool requests to execute tool changing operation, and the tool changing signal carries first characteristic information corresponding to-be-cut.
Optionally, the predetermined machine tool belongs to a machine tool without an automatic tool changing function; because the preset machine tool can process objects to be cut with various characteristics, different cutters are required to be selected for cutting aiming at different objects to be cut when the objects to be cut need to be cut, so that the cutting quality is ensured.
Therefore, when the preset machine tool determines that the current cutter is not suitable for cutting the current object to be cut, a cutter changing signal is generated to request the numerical control system to execute cutter changing operation.
The tool changing signal carries characteristic information one of the objects to be cut, such as the material of the objects to be cut, the size of the objects to be cut, and the target shape of the objects to be cut.
And step S104, determining characteristic information II of a target cutter for cutting the object to be cut according to the characteristic information I of the object to be cut.
Optionally, in the step S102, the first characteristic information of the object to be cut has been obtained, then the second characteristic information of the target tool suitable for cutting the object to be cut, for example, the model of the target tool, may be determined based on the first characteristic information.
And S106, generating a tool changing signal according to the second characteristic information and the first characteristic information of the target tool, and transmitting the tool changing signal to a tool magazine module, wherein the tool magazine module is used for integrating input signals and output signals of a tool magazine for placing the target tool.
Optionally, the tool magazine is a device for providing tool storage and tool changing requirements required in an automatic machining process, and an automatic tool changing mechanism and the tool magazine capable of storing a plurality of tools change a production mode mainly by people. It mainly provides the position of storing the tool and can correctly select the tool to position according to the control of the program for tool exchange; the tool changing mechanism is used for executing the action of tool exchange.
It should be noted that the types of tool magazine are various, for example, a bamboo hat type tool magazine, a disc type tool magazine, and a chain type tool magazine.
Because in traditional digit control machine tool, the tool magazine is as an automatic tool changer, and not every lathe disposes this function, and has contained a plurality of input/output signal in the tool magazine control, and the wiring is loaded down with trivial details and account for the space, has also promoted the fault rate of lathe simultaneously.
Therefore, in the embodiment of the invention, the input signals and the output signals related to the tool magazine are managed in a centralized way through the modules, the tool magazine module comprises an input interface, an output interface, a power supply part, an electric lattice force part, a bus part, a control part and the like, and when the tool magazine function is needed, the tool magazine module is directly added; when the tool magazine is not needed, the connecting bus between the tool magazine module and the numerical control system is pulled out.
And step S108, controlling the tool magazine to execute tool changing operation on a preset machine tool based on the tool changing signal.
As can be seen from the above, in the scheme described in the above embodiment of the present invention, after receiving the obtained tool changing signal, according to the first characteristic information of the object to be cut carried in the tool changing signal, the second characteristic information of the target tool used for cutting the object to be cut is determined; and generating a tool changing signal according to the second characteristic information and the first characteristic information of the target tool, transmitting the tool changing signal to the tool magazine module, and controlling the tool magazine to execute tool changing operation on a preset machine tool based on the tool changing signal, so that the purpose of centralized management of the tool magazine is realized.
It is easy to notice that after the tool changing signal is received, the characteristic information II of the target tool used for cutting the object to be cut is determined according to the characteristic information I of the object to be cut carried in the tool changing signal, the tool changing signal is generated according to the characteristic information II of the target tool and the characteristic information I, the tool changing signal is transmitted to the tool magazine module, and the tool magazine is controlled to execute tool changing operation on a preset machine tool based on the tool changing signal, so that the tool magazine module is used for carrying out centralized management on the tool magazine, the wiring is simple, safety and reliability are realized, and the user experience is improved.
Therefore, the embodiment 1 provided by the invention effectively solves the technical problem that the fault rate of the machine tool is improved due to the complicated wiring of the tool magazine in the tool changing process of the machine tool in the related technology.
According to the above embodiment of the present application, after the tool changing signal is acquired, the tool changing method of the machine tool may further include: and generating a prompt message based on the tool changing signal, wherein the prompt message is used for prompting that the tool magazine module is connected with a numerical control system corresponding to a preset machine tool through a bus, and the numerical control system reads an input signal and an output signal of the tool magazine integrated in the tool magazine module through the bus.
Optionally, in the embodiment of the present invention, the input signal and the output signal of the tool magazine are integrated in the tool magazine module, and when the tool magazine module needs to communicate with the numerical control system, an intermediary is needed. In the embodiment of the invention, the tool magazine module and the numerical control system can communicate through a bus.
In an optional embodiment, determining the second characteristic information of the target tool for cutting the object to be cut according to the first characteristic information of the object to be cut may include: inputting the characteristic information I of the object to be cut into a predetermined model, wherein the predetermined model is obtained by using a plurality of groups of training data through machine learning training, and each group of training data in the plurality of groups of training data comprises: the characteristic information I of the object to be cut and the characteristic information II of the target cutter corresponding to the characteristic information I of the object to be cut; and acquiring the output of the preset model, and converting the output of the preset model into the characteristic information II of the target tool.
Optionally, the input signal may include: a tool sleeve motor overload detection signal, a manipulator motor overload detection signal, a tool sleeve push-out detection signal, a tool sleeve withdrawing detection signal, a tool magazine motor origin detection signal, a tool magazine counting induction signal, a manipulator origin detection signal, a manipulator clasp tool in-place detection signal and a manipulator brake detection signal; the output signal may include: the knife sleeve pushes out the electromagnetic valve signal, and the knife sleeve withdraws the electromagnetic valve signal.
According to the above embodiments of the present application, controlling the tool magazine to perform a tool changing operation for a predetermined machine tool based on the tool changing signal may include: determining the installation position of a current historical tool installed on a machining platform of a preset machine tool, and moving the historical tool out of the installation position; moving a target tool in the tool magazine to an installation position based on a tool changing signal; and under the control of the tool changing signal, mounting the target tool at the mounting position.
Alternatively, the mounting position of the historical tool on the machining platform of the predetermined machine tool may be determined to remove the historical tool from the mounting position, and the target tool in the tool magazine is moved to the mounting position and mounted at the mounting position under the control of the tool change signal.
In an alternative embodiment, after controlling the tool magazine to perform a tool changing operation for a predetermined machine tool based on the tool changing signal, the tool changing method of the machine tool may further include: generating an ending signal when the preset tool magazine finishes cutting the object to be cut; and generating reminding information based on the end signal, wherein the reminding information is used for reminding the disconnection of the connection between the bus and the numerical control system.
The tool changing method of the machine tool provided in the embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 2 is a structural view of a tool changing method of a machine tool according to an embodiment of the present invention, as shown in fig. 2, including: and the numerical control system is respectively connected with the power supply part and the communication part, and the communication part is respectively connected with the input part and the output part. In addition, as shown in fig. 2, the input portion and the output portion are connected to the control portion, respectively.
The input unit includes: 1. overload detection signals of a cutter motor; 2. detecting an overload signal of a manipulator motor; 3. pushing out a detection signal by the cutter sleeve; 4. a cutter sleeve withdrawing detection signal; 5. detecting a signal of the origin of the tool magazine motor; 6. counting the induction signals by the tool magazine; 7. a manipulator origin detection signal; 8. detecting signals of the in-place of the mechanical hand fastening cutter; 9. and detecting signals of the mechanical arm brake.
The output section includes: 1. the knife sleeve is pushed out of the electromagnetic valve; 2. the knife sleeve withdraws the electromagnetic valve; 3. a cutter motor; 4. a manipulator motor. The control section includes: motor control, solenoid valve control, safety control, etc. The communication part: and transmitting the collected real-time state of the tool magazine signal to a system, and transmitting an instruction issued by the numerical control system to a tool magazine module for execution.
In addition, the power supply part is used for providing a working power supply for the numerical control system and the tool magazine module.
Here, it should be noted that the structure of the tool changing method in the machine tool includes, in addition to the respective parts shown in fig. 2: an electrical isolation part: the intermediate relay of the output part is integrated into the tool magazine module, the control and execution mechanism is electrically isolated, and the photoelectric coupler is used for carrying out photoelectric isolation on the input part so as to achieve the purpose of protecting the control system.
Fig. 3 is a structural diagram of a tool magazine module according to an embodiment of the present invention, and as shown in fig. 3, the tool magazine module may include: a power module, connected to the live line and the neutral line (i.e., L and N in fig. 3) of the three-phase power supply, for receiving an externally provided working power, wherein the power module is configured to provide the working power for each sensor for sensing the action of the tool magazine; in addition, the three-phase power in fig. 3 (i.e., R, S, T and PE shown in fig. 3) provides operating power for a three-phase motor, which may be a 380V operating voltage motor, such as M3 and M4 shown in fig. 3, respectively.
As shown in fig. 3, the tool magazine module may include 8 sensors for sensing the movement of the tool magazine, wherein the sensors are connected to different ports, respectively. As shown in fig. 3, the different ports here respectively include: the tool magazine comprises a tool sleeve upper port, a tool sleeve lower port, a tool magazine counting port, a tool magazine original point port, a brake in-place port, a tool buckling in-place port, a manipulator original point port, an electromagnetic valve public end, an electromagnetic valve on the tool sleeve and an electromagnetic valve under the tool sleeve.
Wherein, the upper port of the knife pouch refers to the horizontal state sensing port of the knife pouch, and the lower port of the knife pouch refers to the vertical sensing port of the knife pouch; the tool magazine origin port represents the tool magazine No. 1 position and is used for recording the real-time position of the tool magazine; the tool magazine counting port is used for calculating the position of the tool magazine, wherein when the tool magazine rotates for 1 grid, the current position of the tool magazine is +/-1; the brake in-place port and the buckle cutter port are used for judging the current position of the actuating manipulator; the manipulator origin port is used for determining the starting point position of the tool changing manipulator; the electromagnetic valve on the knife pouch controls the knife pouch to move to the horizontal state through the electromagnetic valve, and the electromagnetic valve under the knife pouch controls the knife pouch to move to the vertical state through the electromagnetic valve.
In addition, as shown in fig. 3, the tool magazine module further includes: protector, contactor and relay. In addition, the tool magazine control system also comprises a control chip which is used for controlling the tool magazine module to communicate with the numerical control system or the tool magazine through the communication port.
Fig. 3 also shows an output solenoid valve for sensing an output signal of the tool magazine action.
For in the past add tool magazine function need add accessories such as auxiliary relay, ac contactor, motor protector at the automatically controlled cabinet, to the input signal and the output signal control panel of part signal one by one access numerical control system of input, be connected to numerical control system's input signal and output signal control panel with actuating mechanism's coil control line, then control the wiring to accessories such as auxiliary relay, ac contactor, motor protector, if use this tool magazine module can remove the loaded down with trivial details process of most wiring from, improve the stability of artifical wiring, the relevant signal of tool magazine is concentrated on a board, conveniently inquire and handle the trouble, tool magazine module printing interface definition, do not worry that the line number of a specified duration is lost or fuzzy, help after sale to the product.
In addition, the numerical control system reads the input signal of the tool magazine module and issues a control instruction in a bus form through the communication module, when the tool magazine function is required to be suspended, only the bus needs to be pulled out, and when the tool magazine function is used again, only the bus needs to be plugged in, so that the tool magazine has high efficiency of the matching function.
The tool magazine device is normally used and is composed of an input signal for detecting a proximity switch, an output signal of an actuating mechanism such as an electromagnetic valve and a motor, a power supply input part, a control part and a communication interface for communicating with a system.
Therefore, the tool changing method of the machine tool provided by the embodiment of the invention realizes the centralized management of the tool setting library signals, improves the safety of tool changing, improves the production efficiency and reduces the fault rate of the machine tool.
Example 2
According to another aspect of the embodiment of the present invention, there is also provided a tool changer for a machine tool, fig. 4 is a schematic view of the tool changer for a machine tool according to the embodiment of the present invention, as shown in fig. 4, the tool changer for a machine tool includes: an acquisition unit 41, a determination unit 43, a generation unit 45, and a control unit 47. The tool changer of the machine tool will be described in detail below.
The obtaining unit 41 is configured to obtain a tool changing signal, where the tool changing signal indicates that a predetermined machine tool requests to perform a tool changing operation, and the tool changing signal carries first feature information corresponding to a to-be-cut tool.
And the determining unit 43 is configured to determine, according to the first characteristic information of the object to be cut, second characteristic information of a target cutter used for cutting the object to be cut.
And the generating unit 45 is used for generating a tool changing signal according to the second characteristic information and the first characteristic information of the target tool and transmitting the tool changing signal to the tool magazine module, wherein the tool magazine module is used for integrating the input signal and the output signal of the tool magazine for placing the target tool.
And a control unit 47 for controlling the tool magazine to perform a tool changing operation for a predetermined machine tool based on the tool changing signal.
It should be noted here that the acquiring unit 41, the determining unit 43, the generating unit 45 and the controlling unit 47 correspond to steps S102 to S108 in embodiment 1, and the modules are the same as the corresponding steps in the implementation example and the application scenario, but are not limited to the disclosure in embodiment 1. It should be noted that the modules described above as part of an apparatus may be implemented in a computer system such as a set of computer-executable instructions.
As can be seen from the above, in the above embodiments of the present application, a tool changing signal may be obtained by using an obtaining unit, where the tool changing signal indicates that a predetermined machine tool requests to perform a tool changing operation, and the tool changing signal carries first feature information corresponding to a to-be-cut tool; determining characteristic information II of a target cutter for cutting the object to be cut according to the characteristic information I of the object to be cut by using the determining unit; generating a tool changing signal by using the generating unit according to the second characteristic information and the first characteristic information of the target tool, and transmitting the tool changing signal to the tool magazine module, wherein the tool magazine module is used for integrating an input signal and an output signal of a tool magazine for placing the target tool; and controlling the tool magazine to perform tool changing operation on a predetermined machine tool based on the tool changing signal by using the control unit. The tool changing device of the machine tool provided by the embodiment of the invention realizes the purpose of centralized management of the tool magazine, thereby achieving the technical effect of reducing the fault rate of the machine tool and further solving the technical problem that the fault rate of the machine tool is improved due to complicated wiring of the tool magazine in the tool changing process of the machine tool in the related technology.
In an alternative embodiment, the tool changer of the machine tool further comprises: and the generating unit is further used for generating a prompt message based on the tool changing signal after the tool changing signal is acquired, wherein the prompt message is used for prompting that the tool magazine module is connected with a numerical control system corresponding to a preset machine tool through a bus, and the numerical control system reads the input signal and the output signal of the tool magazine integrated in the tool magazine module through the bus.
In an alternative embodiment, the determining unit comprises: the input module is used for inputting the characteristic information I of the object to be cut into a predetermined model, wherein the predetermined model is obtained by using a plurality of groups of training data through machine learning training, and each group of training data in the plurality of groups of training data comprises: the characteristic information I of the object to be cut and the characteristic information II of the target cutter corresponding to the characteristic information I of the object to be cut; and the acquisition module is used for acquiring the output of the preset model and converting the output of the preset model into the characteristic information II of the target tool.
In an alternative embodiment, the input signal comprises: a tool sleeve motor overload detection signal, a manipulator motor overload detection signal, a tool sleeve push-out detection signal, a tool sleeve withdrawing detection signal, a tool magazine motor origin detection signal, a tool magazine counting induction signal, a manipulator origin detection signal, a manipulator clasp tool in-place detection signal and a manipulator brake detection signal; the output signal includes: the knife sleeve pushes out the electromagnetic valve signal, and the knife sleeve withdraws the electromagnetic valve signal.
In an alternative embodiment, the control unit comprises: the moving-out module is used for determining the installation position of the current historical tool installed on the machining platform of the preset machine tool and moving the historical tool out of the installation position; the moving module is used for moving the target tool in the tool magazine to the mounting position based on the tool changing signal; and the mounting module is used for mounting the target cutter at the mounting position under the control of the cutter changing signal.
In an alternative embodiment, the tool changer of the machine tool further comprises: the generating unit is also used for generating an end signal when the preset tool magazine finishes cutting the object to be cut after controlling the tool magazine to execute tool changing operation on the preset machine tool based on the tool changing signal; and the generating unit is also used for generating reminding information based on the end signal, wherein the reminding information is used for reminding the disconnection of the bus and the numerical control system.
Example 3
According to another aspect of an embodiment of the present invention, there is also provided a storage medium including a stored program, wherein the program executes the tool changing method of the machine tool of any one of the above.
Example 4
According to another aspect of the embodiment of the present invention, there is also provided a processor for executing a program, wherein the program executes a tool changing method of a machine tool according to any one of the above.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A tool changing method for a machine tool, comprising:
acquiring a tool changing signal, wherein the tool changing signal indicates that a preset machine tool requests to execute tool changing operation, and the tool changing signal carries characteristic information I corresponding to-be-cut;
determining characteristic information II of a target cutter for cutting the object to be cut according to the characteristic information I of the object to be cut;
generating a tool changing signal according to the second characteristic information of the target tool and the first characteristic information, and transmitting the tool changing signal to a tool magazine module, wherein the tool magazine module is used for integrating an input signal and an output signal of a tool magazine for placing the target tool;
controlling the tool magazine to execute tool changing operation on the preset machine tool based on the tool changing signal;
after the tool changing signal is acquired, the method further comprises the following steps: generating a prompt message based on the tool changing signal, wherein the prompt message is used for prompting that the tool magazine module is connected with a numerical control system corresponding to the preset machine tool through a bus, and the numerical control system reads input signals and output signals of a tool magazine integrated in the tool magazine module through the bus;
determining characteristic information II of a target cutter for cutting the object to be cut according to the characteristic information I of the object to be cut comprises the following steps:
inputting the first characteristic information of the object to be cut into a predetermined model, wherein the predetermined model is obtained by using a plurality of groups of training data through machine learning training, and each group of training data in the plurality of groups of training data comprises: the characteristic information I of the object to be cut and the characteristic information II of the target cutter corresponding to the characteristic information I of the object to be cut are obtained;
and acquiring the output of the preset model, and converting the output of the preset model into second characteristic information of the target tool.
2. The method of claim 1, wherein the input signal comprises: a tool sleeve motor overload detection signal, a manipulator motor overload detection signal, a tool sleeve push-out detection signal, a tool sleeve withdrawing detection signal, a tool magazine motor origin detection signal, a tool magazine counting induction signal, a manipulator origin detection signal, a manipulator clasp tool in-place detection signal and a manipulator brake detection signal; the output signal includes: the knife sleeve pushes out the electromagnetic valve signal, and the knife sleeve withdraws the electromagnetic valve signal.
3. The method according to claim 1 or 2, wherein controlling the tool magazine to perform a tool changing operation on the predetermined machine tool based on the tool changing signal comprises:
determining the installation position of a current historical tool installed on a machining platform of the preset machine tool, and moving the historical tool out of the installation position;
moving a target tool in the tool magazine to the mounting position based on the tool changing signal;
and under the control of the tool changing signal, mounting the target tool at the mounting position.
4. The method according to claim 1 or 2, further comprising, after controlling the tool magazine to perform a tool changing operation on the predetermined machine tool based on the tool changing signal:
generating an ending signal when the cutter library finishes cutting the object to be cut;
and generating reminding information based on the end signal, wherein the reminding information is used for reminding to disconnect the connection between the bus and the numerical control system.
5. A tool changer for a machine tool, comprising:
the tool changing device comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is used for acquiring a tool changing signal, the tool changing signal indicates that a preset machine tool requests to execute tool changing operation, and the tool changing signal carries characteristic information I corresponding to-be-cut;
the determining unit is used for determining characteristic information II of a target cutter for cutting the object to be cut according to the characteristic information I of the object to be cut;
the generating unit is used for generating a tool changing signal according to the second characteristic information of the target tool and the first characteristic information, and transmitting the tool changing signal to a tool magazine module, wherein the tool magazine module is used for integrating input signals and output signals of a tool magazine for placing the target tool;
the control unit is used for controlling the tool magazine to execute tool changing operation on the preset machine tool based on the tool changing signal;
wherein, still include: the generating unit is further configured to generate a prompt message based on the tool changing signal after the tool changing signal is acquired, where the prompt message is used to prompt that the tool magazine module is connected to a numerical control system corresponding to the predetermined machine tool through a bus, and the numerical control system reads an input signal and an output signal of a tool magazine integrated in the tool magazine module through the bus;
wherein the determination unit includes: the input module is used for inputting the first characteristic information of the object to be cut into a preset model, wherein the preset model is obtained by using a plurality of groups of training data through machine learning training, and each group of training data in the plurality of groups of training data comprises: the characteristic information I of the object to be cut and the characteristic information II of the target cutter corresponding to the characteristic information I of the object to be cut are obtained; and the acquisition module is used for acquiring the output of the preset model and converting the output of the preset model into second characteristic information of the target tool.
6. A storage medium characterized by comprising a stored program, wherein the program executes the tool changing method of a machine tool according to any one of claims 1 to 4.
7. A processor, characterized in that it is configured to run a program, wherein the program is configured to execute the tool changing method of a machine tool according to any one of claims 1 to 4 when running.
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| CN113820998A (en) * | 2021-07-23 | 2021-12-21 | 比亚迪股份有限公司 | Cutter management method and related device |
| CN114055224B (en) * | 2021-12-03 | 2024-03-29 | 陈娟花 | Method for managing tool magazine by intelligent numerical control system |
| CN116475815B (en) * | 2023-05-17 | 2023-12-15 | 广州里工实业有限公司 | Automatic tool changing method, system and device of numerical control machine tool and storage medium |
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| CN106312650A (en) * | 2016-08-26 | 2017-01-11 | 北京超同步伺服股份有限公司 | Quick tool replacement method for numerical control machine tool and tool magazine |
| CN107505850B (en) * | 2017-07-04 | 2021-06-22 | 南京航空航天大学 | Cutter changing judgment method |
| CN107272591A (en) * | 2017-08-01 | 2017-10-20 | 合肥康之恒机械科技有限公司 | A kind of automatic tool changer method of Digit Control Machine Tool |
| CN108818093A (en) * | 2018-06-28 | 2018-11-16 | 哈尔滨理工大学 | Intelligent knife-changing system in a kind of process based on decision Tree algorithms |
| CN108818095B (en) * | 2018-07-19 | 2023-02-21 | 北京发那科机电有限公司 | Tool changing method and numerical control machine tool |
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