CN117518980A - Numerical control machine tool system and control method thereof - Google Patents

Numerical control machine tool system and control method thereof Download PDF

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Publication number
CN117518980A
CN117518980A CN202311632377.4A CN202311632377A CN117518980A CN 117518980 A CN117518980 A CN 117518980A CN 202311632377 A CN202311632377 A CN 202311632377A CN 117518980 A CN117518980 A CN 117518980A
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China
Prior art keywords
cutter
working
cutterhead
arc
module
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CN202311632377.4A
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Chinese (zh)
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朱天云
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Guangzhou Yiling Data Technology Co ltd
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Guangzhou Yiling Data Technology Co ltd
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Priority to CN202311632377.4A priority Critical patent/CN117518980A/en
Publication of CN117518980A publication Critical patent/CN117518980A/en
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/35—Nc in input of data, input till input file format
    • G05B2219/35349—Display part, programmed locus and tool path, traject, dynamic locus

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)

Abstract

The application discloses a numerical control machine tool system and a control method thereof, and belongs to the technical field of numerical control lathes. The method comprises the steps that a human-computer interface is used for acquiring processing parameters of a workpiece; the analysis module is used for analyzing the processing parameters, acquiring cutter information to be used, and matching the cutter information with a cutter database of the storage module according to the cutter information to acquire the position of the cutter to be actually used; the control module controls the working cutterhead and the spare cutterhead, the working cutterhead and the working of the main shaft according to the cutter information acquired by the analysis module; the memory in the memory module is used for storing the processing parameters; and the cutter database in the storage module is used for storing and recording the model number and the corresponding position of each cutter in real time. According to the tool changing device, through the arrangement of the working cutterhead and the standby cutterhead, the storage capacity of the tools is increased, and the tools on the working cutterhead, the standby cutterhead, the working cutterhead and the main shaft can be mutually switched, so that quick tool changing is realized, and the drilling efficiency is greatly improved.

Description

Numerical control machine tool system and control method thereof
Technical Field
The application relates to the technical field of numerically controlled lathes, in particular to a numerically controlled lathe system and a control method thereof.
Background
Currently, in the field of numerical control machining, the numerical control machining is mainly to define and generate a machining path for machine tool machining on a drawing drawn by Computer Aided Manufacturing (CAM) software for CAD, and machine tool machining is performed according to the machining path.
The prior art publication No. CN109317714B provides a numerical control machine tool system and a control method thereof, wherein the system controller device automatically generates a drilling processing path according to the processing parameters of the workpiece to be processed, which are input by the human-computer interface device, and the electric spindle device automatically generates the drilling processing path by inputting the processing parameters of the workpiece to be processed on the human-computer interface device, thereby saving the time of manual programming and improving the efficiency of the numerical control machine tool during drilling processing.
The prior art scheme can realize the beneficial effects related to the prior art through the structure of the prior art, but when the drilling parameters of the workpiece are complex and have various size parameters, the drilling processing is usually carried out by allocating tools with different sizes and models, the traditional numerical control lathe is usually a single working cutter head, and when the design of the number of the cutters of the working cutter head is increased, the volume of the lathe is also increased, and the two cutters are needed to be replaced.
In view of the above related art, the inventor considers that the storage number and the tool changing efficiency of the tools can be improved by adding a spare cutterhead and by a reasonable layout and an efficient tool changing control system. In view of this, we propose a numerically controlled machine tool system and a control method thereof.
Disclosure of Invention
1. Technical problem to be solved
The technical problem that the carrying quantity of the cutters is limited by the size of a lathe and the cross section area of a working cutter head in the prior art is solved, and the technical effects of improving the storage quantity of the cutters and the cutter changing efficiency are achieved.
2. Technical proposal
The embodiment of the application provides a numerical control machine tool system, which comprises a man-machine interface, an analysis module, a control module and a storage module;
the human-computer interface is used for acquiring the processing parameters of the workpiece;
the analysis module is used for analyzing the processing parameters, acquiring cutter information to be used, and matching the cutter information with a cutter database of the storage module according to the cutter information to acquire the position of the cutter to be actually used;
the control module is used for controlling the working cutterhead, the standby cutterhead, the working cutterhead, the cutting tools on the main shaft and the working of the main shaft according to the cutting tool information acquired by the analysis module;
the memory in the memory module is used for storing the processing parameters;
and the cutter database in the storage module is used for storing and recording the model number and the corresponding position of each cutter in real time.
By adopting the technical scheme, the storage capacity of the cutter is increased through the arrangement of the working cutter disc and the spare cutter disc, and the working cutter disc, the spare cutter disc, the working cutter disc and the cutter on the main shaft can be mutually switched, so that quick cutter changing is realized, the drilling efficiency is greatly improved, and the problem that the volume of a numerical control lathe is increased due to the fact that the storage capacity of the cutter is increased only by increasing the volume of the working cutter disc in the prior art is solved; and the cutter information is acquired through the processing parameters and matched with the cutter database, so that the quick allocation of the working cutter is realized, and the waiting time for cutter changing is reduced.
As an alternative scheme of this application file technical scheme, reserve blade disc includes blade disc main part and a plurality of mutual sliding connection's supporting shoe, blade disc main part one end is connected with drive part, the blade disc main part is connected at drive part's output, drive part drives the blade disc main part and rotates, be fixed with self-tightening drill chuck on the supporting shoe, the slip direction of mutual sliding connection's supporting shoe is the axis direction of blade disc main part, be fixed with a plurality of first locating posts on the blade disc main part, first locating hole has been seted up on the supporting shoe, first locating post has been inserted into the cooperation in the first locating hole, first locating post is pegged graft the cooperation with the supporting shoe spacing in the blade disc main part.
As an alternative to the technical solution of the present application, the workpiece processing parameters are obtained by actively writing or reading on a human-computer interface.
As an alternative to the technical solution of the present application, the analysis module obtains the tool information to be used, including the model of the tool and the order of use of the tools, and matches the tool model with the tools in the tool database.
As an alternative scheme of the technical scheme of the application document, after acquiring the position of the cutter to be used actually, the analysis module judges whether the first cutter to be used exists on a working cutter head or a main shaft;
when the first tool to be used is positioned on the main shaft, the control module directly controls the main shaft to work according to the processing parameters;
when the first cutter to be used is positioned on the working cutter head, the cutter is switched to a cutter changing position, and the cutter on the main shaft and the cutter changing position of the working cutter head is exchanged through the cutter changer;
when the first to-be-used cutter is positioned on the spare cutter head, the control module controls the working cutter head and the spare cutter head to switch the cutter, and then the cutter changer is used for switching the first to-be-used cutter on the working cutter head to the main shaft.
As an alternative scheme of this application file technical scheme, the ejector module includes the arc piece, be fixed with a plurality of second reference columns on the arc piece, a plurality of second locating holes have been seted up on the supporting shoe, second reference column and second locating hole grafting cooperation peg graft the arc piece to the supporting shoe on, the output shaft and the arc piece fixed connection of flexible jar, be fixed with first electro-magnet on the supporting shoe, be fixed with the second electro-magnet on the arc piece.
As an alternative scheme of the technical scheme of the application document, when the spindle drives the cutter to drill the workpiece, the control module switches the position of the cutter according to the rest cutter information to be used, which is acquired by the analysis module, and meanwhile, the control module controls the second cutter to be used on the working cutter disc to switch to the cutter changing position.
Through adopting above-mentioned technical scheme, when first cutter is processed, will be in waiting to use the cutter on the reserve blade disc and switch to on the work blade disc, the cutter that the second on the work blade disc was waited to use of control module control simultaneously switches to the tool changing position, can effectually reduce the switching time of cutter, improves switching efficiency.
As an alternative scheme of the technical scheme, a pressure sensor is arranged in the self-tightening drill chuck, a cutter is inserted into the self-tightening drill chuck, the pressure sensor detects a pressure value and forms an electric signal to be transmitted to a cutter database, and the cutter database updates the switched cutter model and the corresponding position.
By adopting the technical scheme, the tool database is updated in real time through the cooperation of the pressure sensor, so that the problem of error updating of the tool database when the tool changer performs single-side empty tool change is effectively solved.
As an alternative scheme of this application file technical scheme, the connection module includes motor and arc connecting block, adjacent two arc connecting block each other sliding connection, arc connecting block and arc piece coaxial line, the spout has been seted up on the arc piece, arc connecting block and spout sliding fit, the motor is installed on the arc piece, the output shaft of motor is fixed with the gear, be fixed with the arc rack on the arc connecting block, arc rack and gear engagement transmission.
As an alternative scheme of the technical scheme, the device also comprises a support ring, a telescopic cylinder and a plurality of ejection modules;
the spare cutterhead comprises a plurality of supporting blocks which are connected with each other in a sliding manner;
the supporting ring is used for supporting and positioning the plurality of pushing modules;
the telescopic cylinder is used for controlling the lifting of the pushing module of the tool changing position;
the pushing module is used for pushing the corresponding supporting block on the spare cutterhead to lift and switching the cutter on the corresponding self-tightening drill chuck and the self-tightening drill chuck of the working cutterhead;
as an alternative to the technical solution of the present application, the present application further includes a plurality of connection modules;
the connecting module is used for connecting and limiting two adjacent pushing modules to form a whole, and when the cutter is replaced by the cutter replacement standby cutter head and the working cutter head, a plurality of groups of adjacent cutters are simultaneously switched.
By adopting the technical scheme, the analysis module obtains that the cutters to be used are positioned on the spare cutter disc and are adjacent in position, and meanwhile, adjacent self-tightening drill chuck vacancies which are not less than the number of the cutters to be switched are arranged on the working cutter disc, the control module controls the driving part to adjust the adjacent cutters on the spare cutter disc to move to the cutter changing position, and the cutters on the spare cutter disc are simultaneously inserted into the self-tightening drill chucks on the working cutter disc, so that the simultaneous switching of a plurality of groups of cutters is realized.
The application also discloses a control method of the numerical control machine system, which comprises the following steps:
writing or reading the processing parameters of the workpiece through a human-computer interface;
the human-computer interface transmits the acquired processing parameters of the workpiece to the storage module and the analysis module, and a memory in the storage module stores the processing parameters;
the analysis module analyzes the processing parameters of the workpiece and acquires cutter information to be used according to the processing parameters, and meanwhile, the analysis module acquires the position of the cutter to be actually used from a cutter database in the storage module;
the control module controls the working cutterhead and the spare cutterhead, the working cutterhead and the cutters on the main shaft to switch according to the cutter information acquired by the analysis module, and controls the cutters on the main shaft to process according to the processing parameters;
after the cutter is switched, the cutter database stores and records the switched cutter model and the corresponding position in real time.
As an alternative to the technical solution of the present application, the control method further includes a method for switching cutters on the working cutter disc and the spare cutter disc, including the following steps:
the cutter to be used on the spare cutter head rotates to a cutter changing position, and the self-tightening drill chuck positioned at the vacancy on the working cutter head is switched to the cutter changing position;
the motor drives the gear to rotate, the arc rack and the arc connecting block are driven to move through meshing transmission, the arc connecting block slides into the sliding groove of the adjacent pushing module, and the adjacent two pushing modules are connected and limited;
the telescopic cylinder pushes a plurality of groups of connected pushing modules to move upwards, a first electromagnet corresponding to the pushing module which moves upwards is electrified, a second positioning column is inserted into a second positioning hole, and an arc-shaped block pushes a corresponding supporting block and a self-tightening drill clamp to move upwards;
the cutter on the self-tightening drill chuck of the spare cutter head is inserted into the self-tightening drill chuck of the working cutter head and clamped, and the corresponding self-tightening drill chuck on the spare cutter head is opened to finish the switching of the cutter;
and updating the switched cutter position and model information by the cutter database.
3. Advantageous effects
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
1. according to the method, through the arrangement of the working cutterhead and the spare cutterhead, the storage capacity of the cutter is increased, the working cutterhead, the spare cutterhead, the working cutterhead and the cutter on the main shaft can be mutually switched, so that quick cutter changing is realized, the drilling efficiency is greatly improved, and the problem that the volume of a numerical control lathe is increased due to the fact that the storage capacity of the cutter is increased only by increasing the cross section area of the working cutterhead in the prior art is solved; and the cutter information is acquired through the processing parameters and matched with the cutter database, so that the quick allocation of the working cutter is realized, and the waiting time for cutter changing is reduced.
2. According to the cutter changing device, when the first cutter is processed, the cutter to be used on the spare cutter disc is switched to the working cutter disc, meanwhile, the control module controls the second cutter to be used on the working cutter disc to be switched to the cutter changing position, so that the switching time of the cutter can be effectively reduced, and the switching efficiency is improved.
3. According to the method and the device, the pressure sensor is matched with the cutter database to update in real time, so that the problem of error updating of the cutter database when the cutter changer performs single-side empty cutter changing is effectively solved.
4. According to the self-tightening drill chuck, the plurality of groups of cutters on the spare cutter head can be simultaneously switched to the self-tightening drill chuck on the working cutter head through the arrangement of the connecting module.
Drawings
FIG. 1 is a schematic diagram of a numerical control machine tool system according to a preferred embodiment of the present application;
FIG. 2 is a schematic diagram of the working cutterhead and the spare cutterhead of the numerical control machine system according to a preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of a backup cutterhead of the numerical control machine system according to a preferred embodiment of the present disclosure;
FIG. 4 is a schematic view of a supporting block of a numerical control machine system according to a preferred embodiment of the present invention;
fig. 5 is a schematic diagram of a connection structure of an ejector module and a connection module of a numerically-controlled machine tool system according to a preferred embodiment of the present invention.
The reference numerals in the figures illustrate: 1. a working cutterhead; 2. a spare cutterhead; 3. self-tightening drill chucks; 4. a support ring; 5. a telescopic cylinder; 6. pushing the module; 7. a connection module; 8. a telescopic rod; 21. a cutterhead main body; 22. a support block; 23. a first positioning column; 24. a first positioning hole; 25. a second positioning hole; 26. a first electromagnet; 41. a third positioning column; 61. an arc-shaped block; 62. a second positioning column; 63. a second electromagnet; 64. a chute; 71. a motor; 72. an arc-shaped connecting block; 73. a gear; 74. an arc-shaped rack.
Detailed Description
The present application is described in further detail below in conjunction with the drawings attached to the specification.
Referring to fig. 1 and fig. 2, an embodiment of the application discloses a numerically-controlled machine tool system, which comprises a man-machine interface, an analysis module, a control module and a storage module, wherein the man-machine interface is used for writing or reading processing parameters of a workpiece, and the reading of the processing parameters can be interconnected with original file equipment through a wireless network or a wired network, so that the processing parameters of the workpiece can be mutually transmitted, and also can be mutually transmitted through transmission modes such as a hard disk, a USB flash disk and the like; the human-computer interface acquires processing parameters of the workpiece and then transmits the processing parameters to the analysis module and the storage module, a memory in the storage module stores the processing parameters, the analysis module is used for analyzing the processing parameters and acquiring cutter information to be used, and meanwhile, the analysis module acquires the position of a cutter to be actually used from a cutter database in the storage module; acquiring cutter information to be used, wherein the cutter information comprises the model number of the cutter and the use sequence of the cutter; the control module controls the working cutterhead 1 and the spare cutterhead 2, the working cutterhead 1 and the cutters on the main shaft to switch and the main shaft to work according to the cutter information acquired by the analysis module;
the cutter database is used for storing and recording the model and the corresponding position of each cutter in real time.
After the analyzing module obtains the position of the cutter to be used actually, judging whether the first cutter to be used exists on the working cutter head 1 or the main shaft. When the first tool to be used is positioned on the working cutterhead 1, the tool is switched to a tool changing position, the tool on the spindle and the tool changing position of the working cutterhead 1 are exchanged through a tool changer, and after the exchange, a tool database updates the tool model at the corresponding position after the exchange; when the first tool to be used is positioned on the main shaft, the control module directly controls the main shaft to work according to the processing parameters; when the first tool to be used is positioned on the spare cutterhead 2, the control module controls the working cutterhead 1 and the spare cutterhead 2 to switch the tools, then the tool changer is used for switching the tools on the working cutterhead 1 and the main shaft, and the tool database updates the tool model at the corresponding position after the tool database is exchanged.
After the first to-be-used cutter is switched, the main shaft drives the cutter to drill a workpiece, and the control module switches the cutter position according to the rest to-be-used cutter information obtained by the analysis module during machining, and only switches the to-be-used cutter on the standby cutter head 2 to the working cutter head 1, and meanwhile, the control module controls the second to-be-used cutter on the working cutter head 1 to be switched to a cutter changing position, so that the switching time of the cutter can be effectively reduced, and the switching efficiency is improved; and after each cutter is switched, the cutter database updates cutter information (position and model) of the corresponding position to be consistent with cutter information in the cutter database.
The position switching of the cutter can be determined through a sensor, a pressure sensor is arranged in the self-tightening drill chuck 3, when the cutter is inserted into the self-tightening drill chuck 3, an electric signal is formed when the pressure sensor detects a pressure value and is transmitted to a cutter database, the cutter database updates the switched cutter and the corresponding position, and the problem of error updating of the cutter database when the cutter changer performs single-side blank cutter change is effectively solved.
The working cutterhead 1 and the standby cutterhead 2 are respectively provided with a plurality of self-tightening drill chucks 3, the axis of the self-tightening drill chucks 3 on the working cutterhead 1 can be collinear with the axis of any self-tightening drill chuck 3 on the standby cutterhead 2, and the working cutterhead 1 and the standby cutterhead 2 are respectively provided with a driving part connected with the driving part for controlling the switching of the self-tightening drill chucks 3.
Referring to fig. 3 to 5, the spare cutterhead 2 includes a cutterhead main body 21 and a plurality of supporting blocks 22 which are connected with each other in a sliding manner, the cutterhead main body 21 is connected to an output end of a driving component, the driving component drives the cutterhead main body 21 to rotate, a self-tightening drill chuck 3 is fixed on the supporting blocks 22, a sliding direction of the supporting blocks 22 which are connected with each other in a sliding manner is an axial direction of the cutterhead main body 21, a plurality of first positioning columns 23 are fixed on the cutterhead main body 21, first positioning holes 24 are formed in the supporting blocks 22, and the supporting blocks 22 are limited on the cutterhead main body 21 through plug-in cooperation of the first positioning columns 23 and the first positioning holes 24.
The numerical control machine tool system further comprises a support ring 4, a telescopic cylinder 5, a plurality of pushing modules 6, a plurality of connecting modules 7 and a plurality of telescopic rods 8, wherein each pushing module 6 is provided with one connecting module 7 and one telescopic rod 8; the supporting ring 4 and the telescopic cylinder 5 are both fixed on the numerical control machine, the push module 6 comprises an arc-shaped block 61, a plurality of second positioning columns 62 are fixed on the arc-shaped block 61, a plurality of second positioning holes 25 are formed in the supporting block 22, the second positioning columns 62 are matched with the second positioning holes 25 in a plugging manner to plug the arc-shaped block 61 on the supporting block 22, an output shaft of the telescopic cylinder 5 is fixedly connected with the arc-shaped block 61, and the output shaft of the telescopic cylinder 5 pushes the second positioning columns 62 to be inserted into the second positioning holes 25, so that the self-tightening drill chuck 3 on the supporting block 22 is driven to move upwards.
The first electromagnet 26 is fixed on the supporting block 22, the second electromagnet 63 is fixed on the arc-shaped block 61, and after the first electromagnet 26 is electrified, the first electromagnet 26 and the second electromagnet 63 are fixed through the magnetic attraction effect, so that the stability of the supporting block 22 and the arc-shaped block 61 is ensured, and the inserting and positioning difficulty of the first positioning column 23 and the first positioning hole 24 and the inserting and positioning difficulty of the second positioning column 62 and the second positioning hole 25 are reduced.
A plurality of third positioning columns 41 are fixed on the support ring 4, and the arc-shaped blocks 61 are inserted into the third positioning columns 41 for positioning.
One end of the telescopic rod 8 is fixedly connected with the numerically controlled lathe, and the other end of the telescopic rod is fixedly connected with the arc-shaped block 61 and used for guiding when the arc-shaped block 61 moves.
The connection module 7 comprises a motor 71 and an arc connection block 72, two adjacent arc connection blocks 72 are connected in a sliding mode, the arc connection blocks 72 are coaxial with the arc connection block 61, a sliding groove 64 is formed in the arc connection block 61, the arc connection block 72 is in sliding fit with the sliding groove 64, the motor 71 is arranged on the arc connection block 61, a gear 73 is fixed on an output shaft of the motor 71, an arc rack 74 is fixed on the arc connection block 72, and the arc rack 74 is meshed with the gear 73 for transmission. The motor 71 drives the gear 73 to rotate, the arc-shaped rack 74 and the arc-shaped connecting block 72 are driven to move through meshing transmission, the arc-shaped connecting block 72 slides into the sliding groove 64 of the adjacent pushing module 6, so that connection of the adjacent pushing modules is realized, the telescopic cylinder 5 can simultaneously push the two groups of pushing modules 6 to move, and further two groups of adjacent cutters on the spare cutter disc 2 can be simultaneously switched to the working cutter disc 1.
The analysis module is used for obtaining that the cutter to be used is positioned on the spare cutter head 2 and is adjacent, and meanwhile, the working cutter head 1 is provided with more space than the adjacent self-tightening drill chuck 3, the control module controls the driving part to adjust the adjacent cutter on the spare cutter head 2 to move to a cutter changing position, and the cutters on the spare cutter head 2 are simultaneously inserted into the self-tightening drill chuck 3 on the working cutter head 1, so that the switching of a plurality of groups of cutters is realized.
The embodiment of the application also discloses a control method of the numerical control machine tool system, which comprises the following steps:
writing or reading the processing parameters of the workpiece through a human-computer interface;
the human-computer interface transmits the acquired processing parameters of the workpiece to the storage module and the analysis module, and a memory in the storage module stores the processing parameters;
the analysis module analyzes the processing parameters of the workpiece and acquires cutter information to be used according to the processing parameters, and meanwhile, the analysis module acquires the position of the cutter to be actually used from a cutter database in the storage module;
the control module controls the working cutterhead 1 and the spare cutterhead 2, the working cutterhead 1 and the cutters on the main shaft to switch according to the cutter information acquired by the analysis module, and controls the cutters on the main shaft to process according to the processing parameters;
after the cutter is switched, the cutter database stores and records the switched cutter model and the corresponding position in real time.
The cutter switching method on the working cutter head 1 and the spare cutter head 2 comprises the following steps:
the cutter to be used on the spare cutter head 2 rotates to a cutter changing position, and the self-tightening drill chuck 3 positioned at the vacancy on the working cutter head 1 is switched to the cutter changing position;
the motor 71 drives the gear 73 to rotate, the arc-shaped rack 74 and the arc-shaped connecting block 72 are driven to move through meshing transmission, the arc-shaped connecting block 72 slides into the chute 64 of the adjacent pushing module 6, and the adjacent pushing modules are connected and limited;
the telescopic cylinder 5 pushes a plurality of groups of connected ejection modules 6 to move upwards, the first electromagnet 26 corresponding to the ejection module 6 which moves upwards is electrified, the second positioning column 62 is inserted into the second positioning hole 25, and the arc-shaped block 61 pushes the corresponding supporting block 22 and the self-tightening drill chuck 3 to move upwards;
the cutter on the self-tightening drill chuck 3 of the spare cutter head 2 is inserted into the self-tightening drill chuck 3 of the working cutter head 1 and clamped, the corresponding self-tightening drill chuck 3 on the spare cutter head 2 is opened, and the cutter switching is completed;
and updating the switched cutter position and model information by the cutter database.

Claims (10)

1. A numerically-controlled machine tool system, characterized in that: the system comprises a human-computer interface, an analysis module, a control module and a storage module;
the human-computer interface is used for acquiring the processing parameters of the workpiece;
the analysis module is used for analyzing the processing parameters, acquiring cutter information to be used, and matching the cutter information with a cutter database of the storage module according to the cutter information to acquire the position of the cutter to be actually used;
the control module is used for controlling the working cutterhead, the standby cutterhead, the working cutterhead, the cutting tools on the main shaft and the working of the main shaft according to the cutting tool information acquired by the analysis module;
the memory in the memory module is used for storing the processing parameters;
and the cutter database in the storage module is used for storing and recording the model number and the corresponding position of each cutter in real time.
2. The numerically controlled machine tool system according to claim 1, wherein: the backup cutter head comprises a cutter head main body and a plurality of supporting blocks which are connected with each other in a sliding mode, one end of the cutter head main body is connected with a driving part, the cutter head main body is connected to the output end of the driving part, the driving part drives the cutter head main body to rotate, a self-tightening drill chuck is fixed on the supporting blocks, the sliding direction of the supporting blocks which are connected with each other in a sliding mode is the axis direction of the cutter head main body, a plurality of first positioning columns are fixed on the cutter head main body, first positioning holes are formed in the supporting blocks, first positioning columns are inserted and matched in the first positioning holes, and the supporting blocks are limited on the cutter head main body through the insertion and connection of the first positioning columns and the first positioning holes.
3. The numerically controlled machine tool system according to claim 1, wherein: after acquiring the position of the cutter to be actually used, the analysis module judges whether a first cutter to be used is included on a working cutter head or a main shaft;
when the first tool to be used is positioned on the main shaft, the control module directly controls the main shaft to work according to the processing parameters;
when the first cutter to be used is positioned on the working cutter head, the cutter is switched to a cutter changing position, and the cutter on the main shaft and the cutter changing position of the working cutter head is exchanged through the cutter changer;
when the first to-be-used cutter is positioned on the spare cutter head, the control module controls the working cutter head and the spare cutter head to switch the cutter, and then the cutter changer is used for switching the first to-be-used cutter on the working cutter head to the main shaft.
4. A numerically controlled machine tool system according to claim 3, wherein: when the main shaft drives the cutter to drill the workpiece, the control module switches the positions of the cutters according to the rest cutter to be used information acquired by the analysis module, and meanwhile, the control module controls a second cutter to be used on the working cutter disc to switch to a cutter changing position.
5. The numerically controlled machine tool system according to claim 2, wherein: the pressure sensor is arranged in the self-tightening drill chuck, the cutter is inserted into the self-tightening drill chuck, the pressure sensor detects the pressure value and forms an electric signal to be transmitted to the cutter database, and the cutter database updates the switched cutter model and the corresponding position.
6. The numerically controlled machine tool system according to claim 2, wherein: the device also comprises a supporting ring, a telescopic cylinder and a plurality of pushing modules;
the spare cutterhead comprises a plurality of supporting blocks which are connected with each other in a sliding manner;
the supporting ring is used for supporting and positioning the plurality of pushing modules;
the telescopic cylinder is used for controlling the lifting of the pushing module of the tool changing position;
the pushing module is used for pushing the corresponding supporting block on the spare cutterhead to lift and switching the cutter on the corresponding self-tightening drill chuck and the self-tightening drill chuck of the working cutterhead.
7. The numerically controlled machine tool system according to claim 6, wherein: the pushing module comprises an arc-shaped block, a plurality of second positioning columns are fixed on the arc-shaped block, a plurality of second positioning holes are formed in the supporting block, the arc-shaped block is inserted onto the supporting block through the insertion fit of the second positioning columns and the second positioning holes, an output shaft of the telescopic cylinder is fixedly connected with the arc-shaped block, a first electromagnet is fixed on the supporting block, and a second electromagnet is fixed on the arc-shaped block.
8. The numerically controlled machine tool system according to claim 7, wherein: the system also comprises a plurality of connecting modules;
the connection module is used for connecting and limiting two adjacent ejection modules to form a whole, when the cutter changing standby cutter disc and the working cutter disc change cutters, multiple groups of adjacent cutters are simultaneously switched, the connection module comprises a motor and an arc-shaped connection block, two adjacent arc-shaped connection blocks are in sliding connection with each other, the arc-shaped connection block is coaxial with the arc-shaped block, a chute is formed in the arc-shaped block, the arc-shaped connection block is in sliding fit with the chute, the motor is mounted on the arc-shaped block, a gear is fixed on an output shaft of the motor, and an arc-shaped rack is fixed on the arc-shaped connection block and is in meshed transmission with the gear.
9. A control method of a numerical control machine tool system according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:
writing or reading the processing parameters of the workpiece through a human-computer interface;
the human-computer interface transmits the acquired processing parameters of the workpiece to the storage module and the analysis module, and a memory in the storage module stores the processing parameters;
the analysis module analyzes the processing parameters of the workpiece and acquires cutter information to be used according to the processing parameters, and meanwhile, the analysis module acquires the position of the cutter to be actually used from a cutter database in the storage module;
the control module controls the working cutterhead and the spare cutterhead, the working cutterhead and the cutters on the main shaft to switch according to the cutter information acquired by the analysis module, and controls the cutters on the main shaft to process according to the processing parameters;
after the cutter is switched, the cutter database stores and records the switched cutter model and the corresponding position in real time.
10. The control method of a numerically controlled machine tool system according to claim 9, further comprising a tool switching method on a working cutterhead and a spare cutterhead, comprising the steps of:
the cutter to be used on the spare cutter head rotates to a cutter changing position, and the self-tightening drill chuck positioned at the vacancy on the working cutter head is switched to the cutter changing position;
the motor drives the gear to rotate, the arc rack and the arc connecting block are driven to move through meshing transmission, the arc connecting block slides into the sliding groove of the adjacent pushing module, and the adjacent two pushing modules are connected and limited;
the telescopic cylinder pushes a plurality of groups of connected pushing modules to move upwards, a first electromagnet corresponding to the pushing module which moves upwards is electrified, a second positioning column is inserted into a second positioning hole, and an arc-shaped block pushes a corresponding supporting block and a self-tightening drill clamp to move upwards;
the cutter on the self-tightening drill chuck of the spare cutter head is inserted into the self-tightening drill chuck of the working cutter head and clamped, and the corresponding self-tightening drill chuck on the spare cutter head is opened to finish the switching of the cutter.
CN202311632377.4A 2023-11-30 2023-11-30 Numerical control machine tool system and control method thereof Pending CN117518980A (en)

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CN202311632377.4A CN117518980A (en) 2023-11-30 2023-11-30 Numerical control machine tool system and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311632377.4A CN117518980A (en) 2023-11-30 2023-11-30 Numerical control machine tool system and control method thereof

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CN117518980A true CN117518980A (en) 2024-02-06

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CN202311632377.4A Pending CN117518980A (en) 2023-11-30 2023-11-30 Numerical control machine tool system and control method thereof

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