CN114131421A - Cutting machine tool follow-up dust removal control system, method and device and storage medium - Google Patents
Cutting machine tool follow-up dust removal control system, method and device and storage medium Download PDFInfo
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- CN114131421A CN114131421A CN202111537510.9A CN202111537510A CN114131421A CN 114131421 A CN114131421 A CN 114131421A CN 202111537510 A CN202111537510 A CN 202111537510A CN 114131421 A CN114131421 A CN 114131421A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
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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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention relates to the technical field of numerical control machine tools, in particular to a follow-up dust removal control system, a method, a device and a storage medium of a cutting machine tool, wherein the control system comprises: cutting the main shaft; the dust hood mechanism is covered on the cutting main shaft; the dust collection mechanism is communicated with the dust hood mechanism through a pipeline; the pressure sensors are uniformly arranged at the bottom of the dust hood mechanism at intervals and used for detecting the pressure between the bottom of the dust hood mechanism and the workpiece; the controller is electrically connected with the pressure sensor and is used for receiving the data of the pressure sensor; the dust hood mechanism comprises a sealing hood and a vertical driving assembly, the vertical driving assembly is connected with the sealing hood and electrically connected with the controller, and when the numerical value received by the controller is greater than the upper limit of the threshold value, the vertical driving assembly drives the sealing hood to be lifted; when the numerical value received by the controller is smaller than the lower limit of the threshold value, the vertical driving mechanism drives the sealing cover to press downwards so as to ensure that the pressure between the bottom of the sealing cover and the workpiece is within a set distance range.
Description
Technical Field
The invention relates to the technical field of numerical control machine tools, in particular to a follow-up dust removal control system, method and device of a cutting machine tool and a storage medium.
Background
Cutting chips and floating particles are generated in the machining process of a workpiece by a cutting machine tool, the environment of a workshop near the machine tool is greatly influenced, and even certain special materials can generate cutting floating objects which can damage operators or equipment in the machining process.
In the related art, a dust collection system is mostly adopted to collect the debris or floating objects generated in the cutting process, however, the dust collection system is mostly suitable for a cutting head for fixed-point machining, for a numerically-controlled machine tool with a movable spindle, the machining position of the cutting head can be continuously changed in the action process of the cutting head, and the corresponding dust collection system can only selectively enlarge the volume of a dust collection cover to enable the dust collection cover to cover the machining space of the cutting head.
However, the above-mentioned large-scale dust collection method has poor dust collection effect, and some small particles cannot be collected, and on the other hand, the volume of the dust collection cover is too large, so that the corresponding energy consumption is relatively high.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a servo dust removal control system, method, device and storage medium for a cutting machine tool are provided to improve dust collection effect.
In order to achieve the purpose, the invention adopts the technical scheme that:
in a first aspect, the present invention provides a cutting machine tool follow-up dust removal control system, including:
a cutting spindle disposed facing the workpiece and used for cutting the workpiece;
the dust hood mechanism is covered on the cutting spindle, and the opening end of the dust hood mechanism faces the workpiece;
the dust collection mechanism is communicated with the dust hood mechanism through a pipeline and is used for absorbing floating dust and debris generated by machining of the cutting spindle in the dust hood mechanism;
the pressure sensors are uniformly arranged at the bottom of the dust hood mechanism at intervals and used for detecting the pressure between the bottom of the dust hood mechanism and the workpiece;
the controller is electrically connected with the pressure sensor and is used for receiving the data of the pressure sensor;
the dust hood mechanism comprises a sealing hood and a vertical driving assembly, the vertical driving assembly is connected with the sealing hood and electrically connected with the controller, and when a numerical value received by the controller is greater than an upper threshold limit, the vertical driving assembly drives the sealing hood to lift; when the numerical value received by the controller is smaller than the lower limit of the threshold value, the vertical driving mechanism drives the sealing cover to press down, so that the pressure between the bottom of the sealing cover and the workpiece is ensured to be within a set distance range.
Further, the top of the sealing cover is also provided with a concentration sensor for detecting the concentration inside the sealing cover, the concentration sensor is electrically connected with the controller, the controller is connected with the dust collection mechanism, when the value received by the concentration sensor is greater than a set value, the controller controls the dust collection mechanism to increase the output power, and when the concentration is less than the set value, the output power is reduced.
Further, the vertical drive assembly comprises an annular spring air bag, a connecting hose communicated with the annular spring air bag and an air pressure source communicated with the connecting hose;
the sealing cover is sleeved on the cutting spindle and is arranged in a sliding mode along the axial direction of the spindle, the bottom of the annular spring air bag is connected with the sealing cover, the top of the annular spring air bag is fixed to the spindle, when the sealing cover needs to be lifted, the air pressure source generates negative pressure to enable the annular spring air bag to contract, and when the sealing cover needs to be pressed down, the air pressure source generates positive pressure to enable the annular spring air bag to extend.
In a second aspect, the present invention provides a cutting machine tool follow-up dust removal control method, which is applied to the cutting machine tool follow-up dust removal control system in the first aspect, and includes the following steps:
s10: acquiring pressure data of the bottom of the sealing cover;
s20: determining whether the acquired pressure data is within a threshold range;
s30: if the pressure data is larger than the threshold range, sending a lifting instruction to the vertical driving assembly;
s40: if the pressure data is smaller than the threshold range, sending a pressing instruction to the vertical driving assembly;
s50: monitoring pressure data in real time, and sending a driving stopping instruction to the vertical driving assembly when the pressure data falls into the threshold range;
s60: the steps S10 to S50 are repeatedly executed until the machining is finished and the execution is stopped.
Further, when steps S10 to S60 are performed, the method further includes the steps of:
s70: acquiring dust concentration data in the sealing cover;
s71: judging whether the obtained dust concentration is within a set concentration range;
s72: if the dust concentration is larger than the set concentration range, sending a power increasing instruction to the dust collection mechanism;
s73: if the dust concentration is smaller than the set concentration range, sending a power reduction instruction to the dust collection mechanism;
s74: monitoring dust concentration data in the sealing cover in real time, and sending a recovery instruction to the dust collection mechanism when the monitored dust concentration is within a set concentration range;
s75: the steps S70 to S74 are repeatedly executed until the machining ends and execution is stopped.
Further, the vertical driving assembly is an air pressure source, and when steps S40 and S50 are executed, the lifting command is to generate a negative pressure, and the pressing command is to generate a positive pressure, so as to achieve contraction or extension of the annular spring airbag.
In a third aspect, the present invention provides a cutting machine follow-up dust removal control device, which is applied to the cutting machine follow-up dust removal control system according to the first aspect, and includes:
the first acquisition module is used for acquiring pressure data of the bottom of the sealing cover;
the first judging module is used for judging whether the acquired pressure data is in a threshold range or not;
the first sending module is used for sending a lifting instruction to the vertical driving assembly if the pressure data is larger than the threshold range;
the second sending module is used for sending a pressing instruction to the vertical driving assembly if the pressure data is smaller than the threshold range;
the first monitoring module is used for monitoring pressure data in real time and sending a driving stopping instruction to the vertical driving assembly when the pressure data falls into the threshold range;
and the first circulation module is used for repeatedly executing the functions of the modules until the processing is finished and the execution is stopped.
Further, still include:
the second acquisition module is used for acquiring dust concentration data in the sealing cover;
the second judging module is used for judging whether the obtained dust concentration is in a set concentration range or not;
the third sending module is used for sending a power increasing instruction to the dust collection mechanism if the dust concentration is larger than the set concentration range;
the fourth sending module is used for sending a power reduction instruction to the dust collection mechanism if the dust concentration is smaller than the set concentration range;
and the second circulation module is used for repeatedly executing the functions of the modules and stopping executing the modules when the machining is finished.
Further, in the first sending module and the second sending module, the sent lifting instruction is to generate negative pressure, and the pressing instruction is to generate positive pressure.
In a fourth aspect, the present invention provides a computer storage medium having a computer program stored thereon, which when executed by a processor, implements the cutting machine follow-up dust removal control method according to the second aspect.
The invention has the beneficial effects that: according to the invention, the pressure between the sealing cover and the workpiece is detected in real time by the pressure sensor arranged at the bottom of the dust removing cover mechanism, and the height of the sealing cover is adjusted by the vertical driving assembly, so that the distance between the sealing cover and the workpiece is ensured, scraps and floating particles generated in the machining process are sucked and removed at any time, the cutting environment of the workpiece is improved, and the air cleanness degree of a machining site is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a servo dust removal control system of a cutting machine in an embodiment of the invention;
FIG. 2 is a control schematic diagram of a servo dust removal control system of a cutting machine in the embodiment of the invention;
FIG. 3 is a schematic diagram of a vertical drive assembly according to an embodiment of the present invention;
FIG. 4 is a flow chart illustrating the steps of a servo-actuated dust removal control method for a cutting machine according to an embodiment of the present invention;
FIG. 5 is a flow chart illustrating the steps of a servo-actuated dust removal control method for a cutting machine according to an embodiment of the present invention;
FIG. 6 is a diagram of the following dust removal control device of the cutting machine according to the embodiment of the present invention;
fig. 7 is a structural diagram of the follow-up dust removal control device of the cutting machine in the embodiment of the invention.
Detailed Description
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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The servo dust removal control system of the cutting machine tool shown in fig. 1 comprises a cutting spindle 10, a dust hood mechanism 20, a dust suction mechanism 30, a pressure sensor 40 and a controller 50, wherein:
the cutting spindle 10 is arranged towards the workpiece 01 and used for cutting the workpiece 01, and it should be noted here that the cutting spindle 10 is a spindle mounted on a numerical control machine tool, a tool is mounted on the spindle, the numerical control machine tool is the prior art, and a specific structure machining control method thereof is not described here any more;
the dust hood mechanism 20 is covered on the cutting spindle 10, and the opening end of the dust hood mechanism 20 is arranged towards the workpiece 01; as shown in fig. 1, in the embodiment of the present invention, the dust hood mechanism 20 has a bell-shaped structure, and the bottom of the dust hood mechanism is open for absorbing dust or floating particles generated during the processing of the main shaft, and it should be noted that the dust hood mechanism 20 is disposed on the main shaft, so that the dust hood mechanism 20 can move along with the movement of the main shaft, which does not affect the processing, but also saves energy and ensures the dust absorption effect.
The dust suction mechanism 30 is communicated with the dust hood mechanism 20 through a pipeline and is used for sucking floating dust and debris generated by machining the cutting spindle 10 in the dust hood mechanism 20; it should be noted that the dust suction mechanism 30 is a dust collector or an exhaust fan, and is communicated with the dust hood mechanism 20 through a hose, so that dust or floating particles in the dust hood mechanism 20 are sucked by the suction force generated by air pressure flow, the movement of the spindle is not limited by the hose connection, and the service life of the spindle is prolonged;
the pressure sensors 40 are uniformly arranged at the bottom of the dust hood mechanism 20 at intervals and used for detecting the pressure between the bottom of the dust hood mechanism 20 and the workpiece 01; it should be noted that, in the embodiment of the present invention, the pressure sensor 40 is disposed at the bottom of the dust removing mechanism, and the pressure sensor 40 has a certain height and contacts the workpiece 01 through the elastic member, so that the transmission of force can be ensured, and the external air enters into the dust removing cover mechanism 20 through the gap between the pressure sensors 40 to achieve pressure balance.
The controller 50 is electrically connected with the pressure sensor 40 and is used for receiving data of the pressure sensor 40; the dust hood mechanism 20 comprises a sealing hood 21 and a vertical driving assembly, the vertical driving assembly is connected with the sealing hood 21, the vertical driving assembly is electrically connected with the controller 50, and when the numerical value received by the controller 50 is greater than the upper limit of the threshold value, the vertical driving assembly drives the sealing hood 21 to be lifted; when the value received by the controller 50 is smaller than the lower threshold, the vertical driving mechanism 22 drives the sealing cover 21 to press down, so as to ensure that the pressure between the bottom of the sealing cover 21 and the workpiece 01 is within the set distance range. It should be noted that in the embodiments of the present invention, the vertical driving assembly may take various forms, such as a conventional pneumatic cylinder, a hydraulic cylinder, and a motor screw assembly.
In the embodiment, the pressure sensor 40 arranged at the bottom of the dust hood mechanism 20 detects the pressure between the sealing hood 21 and the workpiece 01 in real time, and the height of the sealing hood 21 is adjusted through the vertical driving assembly, so that the distance between the sealing hood 21 and the workpiece 01 is ensured, debris and floating particles generated in the machining process are sucked at any time, the cutting environment of the workpiece 01 is improved, and the air cleaning degree of a machining site is improved.
In addition to the above embodiments, please refer to fig. 1, a concentration sensor 60 is further disposed on the top wall inside the sealing cover 21 for detecting the concentration inside the sealing cover 21, the concentration sensor 60 is electrically connected to the controller 50, the controller 50 is connected to the dust collecting mechanism 30, when the value received by the concentration sensor 60 is greater than a set value, the controller 50 controls the dust collecting mechanism to increase the output power, and when the concentration is less than the set value, the output power is decreased. By the arrangement of the concentration sensor 60, a better dust removal effect is achieved and the energy consumption can also be reduced to a great extent. As shown in fig. 2, the control schematic diagram in the above embodiment is shown, and through the implementation of the above embodiment, compared with the prior art, the dust removal effect can be ensured, the cutting chips and the floating particles can be absorbed at any time in the cutting process, the dust absorption strength can be adjusted according to the concentrations of the chips and the floating particles, and the dust absorption effect can be ensured while the energy consumption is reduced.
In the embodiment of the present invention, in order to reduce the influence of the vertical driving assembly on the main shaft, a new vertical driving form is improved, as shown in fig. 3, the vertical driving assembly includes an annular spring air bag 22a, a connecting hose 22b communicating with the annular spring air bag 22a, and an air pressure source 22c communicating with the connecting hose 22 b;
the sealing cover 21 is sleeved on the cutting spindle 10 and is arranged in a sliding mode along the axial direction of the spindle, the bottom of the annular spring air bag 22a is connected with the sealing cover 21, the top of the annular spring air bag 22a is fixed to the spindle, when the sealing cover 21 needs to be lifted, the air pressure source 22c generates negative pressure to enable the annular spring air bag 22a to contract, and when the sealing cover 21 needs to be pressed downwards, the air pressure source 22c generates positive pressure to enable the annular spring air bag 22a to extend.
The annular spring air bag 22a is characterized in that the section of the air bag is annular, the air bag spring is internally sealed, the total height of the air bag in the vertical direction is changed by changing the pressure in the air bag, specifically, when negative pressure is introduced, the annular spring air bag 22a contracts to reduce the total height, and as the top of the annular spring air bag 22a is fixed on the main shaft, the contraction of the annular spring air bag 22a can drive the sealing cover 21 to ascend, and otherwise, the annular spring air bag can drive the sealing cover 21 to descend; through the form, the bottom of the sealing cover 21 and the workpiece 01 can be ensured to be at a set distance, and the situation that gas cannot circulate when the distance is too small or dust overflows when the distance is too large can be avoided; and through the setting of annular spring gasbag 22a, reduced the weight of vertical drive assembly greatly, be connected with outside atmospheric pressure source 22c through the hose, the main shaft only bears the weight of annular spring gasbag 22a, both can guarantee the life-span of main shaft, can also guarantee dust collection effect.
The control method of the servo dust removal control system of the cutting machine tool shown in fig. 4 comprises the following steps:
s10: acquiring pressure data of the bottom of the sealing cover 21;
s20: determining whether the acquired pressure data is within a threshold range; the threshold range is set according to the distance between the bottom of the seal cover 21 and the workpiece 01, when the pressure is large, the distance between the bottom of the seal cover 21 and the workpiece 01 is small, and when the pressure is small, the distance between the bottom of the seal cover 21 and the workpiece 01 is large, and the distance can be set by a person skilled in the art according to needs, so that the distance can be converted into pressure data for judgment;
s30: if the pressure data is larger than the threshold range, sending a lifting instruction to the vertical driving assembly; the vertical driving assembly starts to apply force to lift the sealing cover 21 after receiving the instruction, the pressure sensor 40 deforms and still keeps in contact with the workpiece 01 in the lifting process, the distance between the bottom of the sealing cover 21 and the workpiece 01 is increased, and the pressure received by the pressure sensor 40 is also gradually reduced;
s40: if the pressure data is smaller than the threshold range, a pressing instruction is sent to the vertical driving assembly; when the pressure data is smaller than the threshold range, it is indicated that the distance between the bottom of the sealing cover 21 and the workpiece 01 is larger than a set value, and after the vertical driving assembly receives a pressing instruction, the vertical driving assembly drives the sealing cover 21 to move downwards, so that the distance between the bottom of the sealing cover 21 and the workpiece 01 is reduced, and the pressure is gradually increased;
s50: monitoring pressure data in real time, and sending a driving stopping instruction to the vertical driving assembly when the pressure data falls into a threshold range; in the whole machining process, if the height positions of the machining surfaces of different parts of the workpiece 01 are not changed, the height of the sealing cover 21 is adjusted according to an instruction;
s60: the steps S10 to S50 are repeatedly executed until the machining is finished and the execution is stopped.
Further, the embodiment of the present invention further provides a control method for adjusting the output power of the dust suction mechanism 30 according to the variation of the dust concentration, and as shown in fig. 5, when steps S10 to S60 are executed, the method further includes the following steps:
s70: acquiring dust concentration data in the sealing cover 21;
s71: judging whether the obtained dust concentration is within a set concentration range; during specific dust collection, if the concentration of dust is too high, the problem of dust overflow when dust collection is not in time can be caused, and if the concentration of dust is low, the problem of energy waste of the dust collection mechanism 30 can be caused, so that the output power of the dust collection mechanism 30 is adjusted in real time by monitoring the concentration of dust in the embodiment of the invention;
s72: if the dust concentration is larger than the set concentration range, sending a power increasing instruction to the dust collection mechanism 30; after receiving the power increasing command, the dust collection mechanism 30 increases the output power to make the suction force stronger, thereby meeting the dust collection requirement, and it should be pointed out that a person skilled in the art can set the working power of the dust collection mechanism according to the actual requirement;
s73: if the dust concentration is less than the set concentration range, sending a power reduction instruction to the dust collection mechanism 30; after receiving the power reduction command, the dust removal mechanism reduces the output power, thereby achieving the purposes of realizing dust removal and avoiding energy waste.
S74: monitoring dust concentration data in the sealing cover 21 in real time, and sending a recovery instruction to the dust collection mechanism 30 when the monitored dust concentration is within a set concentration range;
s75: the steps S70 to S74 are repeatedly executed until the machining ends and execution is stopped. Through the adjustment to dust collecting mechanism 30 power in the whole course of working for its output matches with dust concentration, compares with prior art, has not only improved dust removal effect and has reduced the wasting of resources more.
In the embodiment of the control method of the present invention, for the vertical driving assembly including the annular spring airbag 22a, the vertical driving assembly is the air pressure source 22c, and when steps S40 and S50 are executed, the lift-up command is to generate negative pressure, and the press-down command is to generate positive pressure, so as to achieve contraction or extension of the annular spring airbag 22 a. Because with the reduction or the increase of atmospheric pressure, annular spring gasbag 22a can produce shrink or extension, again because the effect of spring in the gasbag for atmospheric pressure's change becomes positive correlation with gasbag flexible in the direction of height, thereby realizes the control to sealed cowling 21 height adjustment, and above-mentioned real-time mode simple structure is convenient for control moreover, can also reduce the gravity that the main shaft bore, improves the life of lathe.
As will be appreciated by those skilled in the art, embodiments of the present application may be provided as a system, method, apparatus, or computer program product, and thus the present application may be implemented entirely in hardware, or in a combination of hardware and software, and the following describes a servo-actuated dust removal control apparatus of a cutting machine provided in the embodiments of the present application, where the following servo-actuated dust removal control apparatus of the cutting machine corresponds to the above servo-actuated dust removal control method of the cutting machine, and those skilled in the art can understand the following implementation process based on the above description;
the cutting machine follow-up dust removal control device shown in fig. 6 and 7 is applied to the cutting machine follow-up dust removal control system, and comprises:
a first obtaining module 100, configured to obtain pressure data of the bottom of the sealing cover 21;
a first determination module 105 for determining whether the acquired pressure data is within a threshold range;
the first sending module 110, if the pressure data is greater than the threshold range, the first sending module 110 is configured to send a lifting instruction to the vertical driving assembly;
the second sending module 115 is used for sending a pressing instruction to the vertical driving assembly if the pressure data is smaller than the threshold range;
the first monitoring module 120 is configured to monitor pressure data in real time, and send a driving stopping instruction to the vertical driving assembly when the pressure data falls within a threshold range;
and a first circulation module 125, configured to repeatedly execute the functions of the modules, and stop executing until the machining is finished.
Further, in an embodiment of the apparatus of the present invention, the apparatus further includes:
a second obtaining module 200, configured to obtain dust concentration data in the sealing cover 21;
a second determination module 205 for determining whether the acquired dust concentration is within a set concentration range;
the third sending module 210, if the dust concentration is greater than the set concentration range, the third sending module 210 is configured to send a power increase instruction to the dust collection mechanism 30;
a fourth sending module 215, wherein if the dust concentration is smaller than the set concentration range, the fourth sending module 215 is configured to send a power reduction instruction to the dust collection mechanism 30;
and a second loop module 225 for repeatedly executing the functions of the above modules and stopping execution until the end of the machining.
Further, for the vertical drive assembly embodiment with the annular spring bladder 22a, in the first and second sending modules 110 and 115 of this apparatus embodiment, the lift command is sent to generate a negative pressure and the press command is sent to generate a positive pressure.
In the following, a computer storage medium according to an embodiment of the present invention is described, and when it is specifically understood that the computer storage medium and the above-described method may be referred to with each other; the computer storage medium stores a computer program, and the computer program is characterized in that the computer program realizes the follow-up dust removal control method according to the cutting machine when being executed by a processor.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A cutting machine follow-up dust removal control system is characterized by comprising:
a cutting spindle disposed facing the workpiece and used for cutting the workpiece;
the dust hood mechanism is covered on the cutting spindle, and the opening end of the dust hood mechanism faces the workpiece;
the dust collection mechanism is communicated with the dust hood mechanism through a pipeline and is used for absorbing floating dust and debris generated by machining of the cutting spindle in the dust hood mechanism;
the pressure sensors are uniformly arranged at the bottom of the dust hood mechanism at intervals and used for detecting the pressure between the bottom of the dust hood mechanism and the workpiece;
the controller is electrically connected with the pressure sensor and is used for receiving the data of the pressure sensor;
the dust hood mechanism comprises a sealing hood and a vertical driving assembly, the vertical driving assembly is connected with the sealing hood and electrically connected with the controller, and when a numerical value received by the controller is greater than an upper threshold limit, the vertical driving assembly drives the sealing hood to lift; when the numerical value received by the controller is smaller than the lower limit of the threshold value, the vertical driving mechanism drives the sealing cover to press down, so that the pressure between the bottom of the sealing cover and the workpiece is ensured to be within a set distance range.
2. The servo-actuated dust removal control system for the cutting machine tool according to claim 1, wherein the top of the sealing cover is further provided with a concentration sensor for detecting the concentration inside the sealing cover, the concentration sensor is electrically connected with the controller, the controller is connected with the dust suction mechanism, the controller controls the dust removal mechanism to increase the output power when the value received by the concentration sensor is greater than a set value, and to decrease the output power when the concentration is less than the set value.
3. The cutting machine tool follow-up dusting control system of claim 1 or 2 wherein the vertical drive assembly comprises an annular spring air bag, a connecting hose in communication with the annular spring air bag, and a pneumatic pressure source in communication with the connecting hose;
the sealing cover is sleeved on the cutting spindle and is arranged in a sliding mode along the axial direction of the spindle, the bottom of the annular spring air bag is connected with the sealing cover, the top of the annular spring air bag is fixed to the spindle, when the sealing cover needs to be lifted, the air pressure source generates negative pressure to enable the annular spring air bag to contract, and when the sealing cover needs to be pressed down, the air pressure source generates positive pressure to enable the annular spring air bag to extend.
4. A cutting machine follow-up dust removal control method, which is applied to the cutting machine follow-up dust removal control system according to any one of claims 1 to 3, and comprises the following steps:
s10: acquiring pressure data of the bottom of the sealing cover;
s20: determining whether the acquired pressure data is within a threshold range;
s30: if the pressure data is larger than the threshold range, sending a lifting instruction to the vertical driving assembly;
s40: if the pressure data is smaller than the threshold range, sending a pressing instruction to the vertical driving assembly;
s50: monitoring pressure data in real time, and sending a driving stopping instruction to the vertical driving assembly when the pressure data falls into the threshold range;
s60: the steps S10 to S50 are repeatedly executed until the machining is finished and the execution is stopped.
5. The servo dust removal control method of a cutting machine according to claim 4, further comprising the steps of, when performing steps S10 to S60:
s70: acquiring dust concentration data in the sealing cover;
s71: judging whether the obtained dust concentration is within a set concentration range;
s72: if the dust concentration is larger than the set concentration range, sending a power increasing instruction to the dust collection mechanism;
s73: if the dust concentration is smaller than the set concentration range, sending a power reduction instruction to the dust collection mechanism;
s74: monitoring dust concentration data in the sealing cover in real time, and sending a recovery instruction to the dust collection mechanism when the monitored dust concentration is within a set concentration range;
s75: the steps S70 to S74 are repeatedly executed until the machining ends and execution is stopped.
6. The servo dust removal control method of the cutting machine tool according to claim 4 or 5, wherein the vertical driving assembly is an air pressure source, and the lifting command is to generate a negative pressure and the pressing command is to generate a positive pressure to achieve contraction or extension of the annular spring air bag when the steps S40 and S50 are executed.
7. A cutting machine follow-up dust removal control device, which is applied to the cutting machine follow-up dust removal control system according to any one of claims 1 to 3, and which comprises:
the first acquisition module is used for acquiring pressure data of the bottom of the sealing cover;
the first judging module is used for judging whether the acquired pressure data is in a threshold range or not;
the first sending module is used for sending a lifting instruction to the vertical driving assembly if the pressure data is larger than the threshold range;
the second sending module is used for sending a pressing instruction to the vertical driving assembly if the pressure data is smaller than the threshold range;
the first monitoring module is used for monitoring pressure data in real time and sending a driving stopping instruction to the vertical driving assembly when the pressure data falls into the threshold range;
and the first circulation module is used for repeatedly executing the functions of the modules until the processing is finished and the execution is stopped.
8. The follow-up dust removal control device for a cutting machine according to claim 7, further comprising:
the second acquisition module is used for acquiring dust concentration data in the sealing cover;
the second judging module is used for judging whether the obtained dust concentration is in a set concentration range or not;
the third sending module is used for sending a power increasing instruction to the dust collection mechanism if the dust concentration is larger than the set concentration range;
the fourth sending module is used for sending a power reduction instruction to the dust collection mechanism if the dust concentration is smaller than the set concentration range;
and the second circulation module is used for repeatedly executing the functions of the modules and stopping executing the modules when the machining is finished.
9. The servo-actuated dust removal control device for the cutting machine tool according to claim 7 or 8, wherein in the first sending module and the second sending module, the lifting command is generated by negative pressure, and the pressing command is generated by positive pressure.
10. A computer storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the cutting machine follow-up dust removal control method according to any one of claims 4 to 6.
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