CN119115037A - Keyway machining mechanism with double diamond milling cutters - Google Patents
Keyway machining mechanism with double diamond milling cutters Download PDFInfo
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- CN119115037A CN119115037A CN202411299919.5A CN202411299919A CN119115037A CN 119115037 A CN119115037 A CN 119115037A CN 202411299919 A CN202411299919 A CN 202411299919A CN 119115037 A CN119115037 A CN 119115037A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/30—Milling straight grooves, e.g. keyways
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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
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
- B23Q15/16—Compensation for wear of the tool
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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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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Abstract
The invention provides a key groove machining mechanism with a double-diamond milling cutter, which belongs to the technical field of machine manufacturing and comprises a key position machining mechanism, wherein the key position machining mechanism comprises a workbench, a clamping mechanism, a multi-axis motion device, a machining head and a machining control system, the clamping mechanism and the multi-axis motion device are arranged on the workbench, the machining head is arranged at the output end part of the multi-axis motion device, and the machining control system comprises a feedback adaptation adjustment module and a fault detection processing module. The device comprises a transverse driving device, a transverse adjusting device, a feedback adaptation adjusting module, a compensation processing strategy group and a compensation processing strategy group, wherein the transverse driving device is used for flexibly adjusting the distance between a fixed cutter handle and a movable cutter handle, flexibly adapting to the requirements on the size and shape of different processing key grooves, and finely adjusting the position of a cutter in the processing process, so that a more accurate processing effect is achieved.
Description
Technical Field
The invention relates to the technical field of mechanical manufacturing, in particular to a key groove machining mechanism with a double-diamond milling cutter.
Background
In many industries, keyway processing is a common manufacturing process used to manufacture various types of equipment and machines. The keyway processing mechanism is typically comprised of a processing head, a spindle, a table, and a control system. The machining head is a cutting tool mounted on a spindle and may be a drill bit, a milling cutter or other form of cutter. The spindle provides rotational motion that drives the machining head to perform a cutting or milling operation. The workbench is used for fixing a workpiece to be processed and providing a corresponding moving mode so that the processing head can move on the workpiece to realize the processing operation of the key slot, and the control system is used for controlling the actions of the processing head, the main shaft and the workbench.
During machining, the workpiece is usually clamped on a workbench, and the movement of the tool can be accurately controlled by the instructions of a control system, and the control system is usually provided with a multi-axis movement design and can control the movement of the tool in different directions so as to realize cutting of a required key groove shape on the surface of the workpiece.
The patent CN105414632A discloses a key slot machining mechanism with double milling cutters, which comprises a machining tool rest and a workpiece clamp, wherein the machining tool rest comprises a box body and a motor, a driving bevel gear connected with the motor is arranged in the box body, the driving bevel gear is connected with a pair of transition bevel gears and driven bevel gears, an output shaft is sleeved on the driven bevel gears, the milling cutters are arranged on the output shaft, a lower cover plate is arranged at the lower end of the box body, the output shaft is supported on the lower cover plate, the workpiece clamp comprises a pair of clamp seats, ladder-shaped grooves are arranged on the clamp seats, a fixed pressing plate is arranged between the adjacent ladder-shaped grooves and is connected above the adjacent ladder-shaped grooves or V-shaped grooves through a fixed bolt, although the side-by-side milling cutters and the tool clamp capable of simultaneously installing 2 or more workpieces are realized, the motor can synchronously rotate, and the key slots can be machined on 2 workpiece shafts simultaneously under the cooperation of the tool clamp.
According to the above description, there still exist certain disadvantages that the space between the side-by-side milling cutters is fixed, so that the side-by-side milling cutters cannot flexibly adapt to the key slot machining of different specifications, and in the long-time continuous machining process, the cutter loses sharpness due to friction and abrasion, and abnormal conditions such as cutter breakage, cutting force exceeding a threshold value and the like can occur, and if the cutter cannot be detected and processed in time, the machining process is negatively affected, and even the machining quality is reduced or equipment is damaged. Therefore we propose a keyway processing mechanism with a double diamond milling cutter to solve the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a key groove processing mechanism with a double-diamond milling cutter, which aims to solve the problems in the prior art.
The key slot processing mechanism comprises a key position processing mechanism, wherein the key position processing mechanism comprises a workbench, a clamping mechanism, a multi-shaft motion device, a processing head and a processing control system, the clamping mechanism and the multi-shaft motion device are arranged on the workbench, the processing head is arranged at the output end part of the multi-shaft motion device, an installation cavity is arranged in the processing head, the inner wall of the installation cavity is fixedly connected with a shaft bracket, the top of the shaft bracket is rotationally connected with an extensible shaft, the surface of the extensible shaft is fixedly connected with a driven bevel gear, one side of the driven bevel gear is meshed with a driving bevel gear, the installation shaft of the driving bevel gear is connected with a driving piece at the end part of the multi-shaft motion device, two ends of the extensible shaft are respectively fixedly connected with a first transmission bevel gear and a second transmission bevel gear, one side of the first transmission bevel gear is meshed with a first drive bevel gear which is fixedly connected with the surface of a fixed handle rotationally connected with the installation cavity, the inner wall of the installation cavity is provided with a movable groove, the movable groove is connected with a movable seat in a movable connection, one side of the movable seat is rotationally connected with the movable seat, one side of the movable seat is fixedly connected with a movable seat, and one end of the movable seat is fixedly connected with a movable seat, and the movable seat is fixedly connected with the movable seat; the fixed knife handle and the movable knife handle are provided with diamond milling cutters;
The processing control system comprises a feedback adaptation adjustment module and a fault detection processing module, wherein the feedback adaptation adjustment module is used for acquiring cutter abrasion and environment information in the processing process in real time through a sensor, the cutter abrasion and environment information comprises cutter characteristic information and cutter state information, carrying out abnormal characteristic analysis on the cutter characteristic information to obtain an abrasion degree value, carrying out state change analysis on the cutter state information to obtain an abnormal state value, carrying out normalization processing on the abrasion degree value and the abnormal state value to obtain a cutter compensation value HE, setting a value range of a cutter compensation processing strategy group, marking node values of the value range with HEn and HEn+1, matching the cutter compensation value with the value range of the cutter compensation processing strategy group, generating a normal operation strategy when HE is HEn, generating a parameter compensation strategy when HEn is less than or equal to HE is less than HEn +1, generating a cutter excessive loss strategy when HEn +1 is less than or equal to;
The fault detection processing module is used for acquiring operation information of a key position processing mechanism, carrying out fault analysis on the operation information to obtain operation abnormal values TY corresponding to parameters in the operation information, arranging the operation abnormal values corresponding to the parameters in the operation information according to a size sequence to obtain an operation abnormal list, setting a fault threshold of the operation abnormal values corresponding to the parameters, comparing the operation abnormal values with the fault threshold, generating fault signaling corresponding to the parameters if the operation abnormal values are larger than the fault threshold, marking the fault signaling of all the parameters as a fault signaling group corresponding to the parameters, and carrying out comprehensive prediction processing on the operation abnormal values of all the parameters in the operation information to obtain a mechanism early warning value, wherein the operation information comprises current, voltage, load, temperature, rotation speed of each motor on a multi-shaft motion device, cutting force, cutting speed, feeding speed and feeding amount of a cutter, setting an early warning measure grade group of the mechanism early warning value, and matching the mechanism early warning value with the early warning measure grade group to obtain corresponding early warning measure grade so as to execute the early warning measure of corresponding early warning measure grade.
Preferably, the extensible shaft comprises a shaft barrel and a movable shaft, wherein a first sliding groove is formed in the inner wall of the shaft barrel, a second sliding groove is formed in the surface of the movable shaft, a second guide block which is in sliding connection with the second sliding groove is fixedly connected with the inner wall of the shaft barrel, a first guide block which is in sliding connection with the first sliding groove is fixedly connected with the surface of the movable shaft, the surface of the shaft barrel is fixedly connected with a driven bevel gear, and the surface of the movable shaft is rotationally connected with one end of the connecting rod.
Preferably, the abnormal characteristic analysis is carried out on the cutter characteristic information to obtain the abrasion degree value, and the specific analysis is as follows:
setting a set standard threshold corresponding to the parameters in the cutter characteristic information, subtracting the set standard threshold corresponding to the parameters from any one parameter in the cutter characteristic information to obtain a parameter difference value, and processing the parameter difference value in the characteristic information to obtain a wear degree value.
Preferably, the state change analysis is performed on the cutter state information to obtain an abnormal state value, wherein the specific analysis is as follows:
Setting a corresponding normal range of parameters in the cutter state information, comparing the numerical value of any parameter in the cutter state information with the corresponding normal range, marking the corresponding numerical value of the parameter as an abnormal parameter numerical value when the corresponding numerical value of the parameter is not in the corresponding normal range, marking the parameter as an abnormal parameter, generating a parameter corresponding detection analysis signal, triggering the abnormal analysis of the corresponding parameter by the parameter corresponding detection analysis signal, marking the moment of the corresponding parameter detection analysis signal as an original moment, respectively selecting all moments in a set time before and after the original moment as abnormal selection time zones, extracting the numerical value of the abnormal parameter numerical value in the abnormal selection time zone to obtain an abnormal numerical value, carrying out mean value calculation on all the abnormal parameter numerical values in the abnormal selection time zones to obtain an abnormal mean value, constructing an abnormal parameter change line graph, marking the position of the corresponding numerical value of the parameter in the line graph as a parameter point, connecting adjacent parameter points to obtain a parameter line, calculating the slope of the parameter line, marking the positive slope as an ascending value, respectively selecting the negative slope as a descending value, respectively selecting all the moments as a total value, carrying out total value and calculating the abnormal value, and carrying out total value descending and total value calculating to obtain the abnormal value, and overall value.
Preferably, the processing control system further comprises a communication module, wherein the communication module is used for being in communication connection with the intelligent terminal, and sending the compensation processing strategy group, the fault signaling group corresponding to parameters, the early warning measure grade group and the abnormal operation list to the intelligent terminal for display.
Preferably, corresponding measures are executed according to corresponding strategies in the cutter compensation processing strategy group, and the specific measures are as follows:
when the normal operation strategy is executed, no special processing operation is needed;
When executing the parameter compensation strategy, extracting a parameter difference value of any parameter in the cutter characteristic information, setting a compensation correction selection time zone, carrying out mean value calculation on the parameter difference value corresponding to the parameter in the compensation correction selection time zone to obtain a correction mean value, wherein the correction mean value is expressed as that the parameter difference value corresponding to the parameter in the compensation correction selection time zone is calculated by using a variance formula to obtain a correction fluctuation value, and carrying out weighted calculation on the parameter difference value, the correction mean value and the correction fluctuation value to obtain a compensation adjustment value corresponding to the parameter;
and when the tool damage strategy is executed, controlling the key position processing mechanism to stop operating.
Compared with the prior art, the invention has the beneficial effects that:
1. The invention can monitor the cutter abrasion and the environmental information through the feedback adaptive adjustment module and analyze the information to obtain the compensation processing strategy group, thereby realizing the self-adaptive compensation of the processing parameters used by the cutter, correcting the processing precision in time, guaranteeing the service life of the cutter and improving the processing efficiency and the yield.
2. According to the invention, the fault detection processing module is used for carrying out fault analysis and prediction processing on the operation information of the key position processing mechanism, so that the abnormal operation of the mechanism can be timely monitored and detected, thereby taking early warning measures in advance, reducing the production downtime caused by the mechanism fault and improving the production efficiency and the productivity.
3. According to the invention, the distance between the fixed cutter handle and the movable cutter handle is flexibly adjusted through the transverse driving device, the requirements on the size and shape of different processing key grooves are flexibly met, and the position of the cutter in the processing process is finely adjusted, so that a more accurate processing effect is achieved.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
Fig. 1 is a schematic structural view of a key slot processing mechanism provided with a double diamond milling cutter according to the present invention.
Fig. 2 is a block diagram of a machining head of a key groove machining mechanism provided with a double diamond milling cutter according to the present invention.
Fig. 3 is an enlarged view of a machining head of a key slot machining mechanism provided with a double diamond milling cutter according to the present invention.
Fig. 4 is an enlarged view of an extendable shaft of a keyway processing mechanism provided with a double diamond milling cutter in accordance with the present invention.
Fig. 5 is a schematic block diagram of a key slot processing mechanism provided with a double diamond milling cutter according to the present invention.
The device comprises a workbench, a clamping mechanism, a multi-axis motion device, a processing head, a transverse driving device, a fixed cutter handle, a movable cutter handle, an 8-shaft bracket, a 9-extendable shaft, a 10-transmission bevel gear I, a 11-driving bevel gear I, a 12-transmission bevel gear II, a 13-driving bevel gear II, a 14-driven bevel gear, a 15-driving bevel gear, a 16-movable groove, a 17-movable seat, a 18-connecting rod, a 19-through hole.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The term "if" as used herein may be interpreted as "at..once" or "when..once" or "in response to a determination", depending on the context.
Referring to fig. 1-5, a key slot processing mechanism with double diamond milling cutters comprises a key position processing mechanism, wherein the key position processing mechanism comprises a workbench 1, a clamping mechanism 2, a multi-shaft motion device 3, a processing head 4 and a processing control system, the clamping mechanism 2 and the multi-shaft motion device 3 are arranged on the workbench 1, the processing head 4 is arranged at the output end part of the multi-shaft motion device 3, a mounting cavity is arranged in the processing head 4, the inner wall of the mounting cavity is fixedly connected with a shaft bracket 8, the top of the shaft bracket 8 is rotationally connected with an extensible shaft 9, the surface of the extensible shaft 9 is fixedly connected with a driven bevel gear 14, one side of the driven bevel gear 14 is meshed with a driving bevel gear 15, the mounting shaft of the driving bevel gear 15 is connected with a driving piece at the end part of the multi-shaft motion device 3, the two ends of the extendable shaft 9 are fixedly connected with a first transmission bevel gear 10 and a second transmission bevel gear 12 respectively, one side of the first transmission bevel gear 10 is meshed with a first driving bevel gear 11, the first driving bevel gear 11 is fixedly connected to the surface of a fixed cutter handle 6 which is rotationally connected with a mounting cavity, a movable groove 16 is formed in the inner wall of the mounting cavity, a movable seat 17 is slidably connected in the movable groove 16, a movable cutter handle 7 is rotationally connected to the movable seat 17, a second driving bevel gear 13 meshed with the second transmission bevel gear 12 is fixedly connected to the surface of the movable cutter handle 7, a transverse driving device 5 matched with the movable seat 17 is arranged on the processing head 4, a connecting rod 18 is fixedly connected to one side of the movable seat 17, one end of the connecting rod 18 is rotationally connected with the movable end of the extendable shaft 9, and a through hole 19 matched with the movable cutter handle 7 is formed in the bottom of the processing head 4;
The processing control system comprises a feedback adaptive adjustment module and a fault detection processing module; the feedback adaptation adjustment module is used for acquiring cutter abrasion and environment information in the processing process in real time through the sensor, wherein the cutter abrasion and environment information comprises cutter characteristic information and cutter state information, the visual detection system is used for acquiring image information of the surface of a cutter in real time, the cutter characteristic information is extracted from the image information through an image processing algorithm, the environment detection system is used for acquiring cutting force, vibration and sound signals of the cutter in real time through the force, vibration and sound sensor and a signal processing technology is used for acquiring temperature of the surface of the cutter by combining the temperature sensor, the cutter state information comprises cutting force, vibration frequency, decibels and temperature, and the signal processing technology comprises, but is not limited to, an analog-digital conversion technology, a fast Fourier transform technology, wavelet transform and the like; the method comprises the steps of carrying out abnormal characteristic analysis on cutter characteristic information to obtain a wear level value, carrying out state change analysis on cutter state information to obtain an abnormal state value, carrying out normalization processing on the wear level value and the abnormal state value, inputting the normalized numerical values of the wear level value and the abnormal state value into a computer, converting the numerical values into lengths according to a certain proportion, drawing a semicircle by taking the length corresponding to the wear level value as a radius, selecting the center of the semicircle, taking the center of the circle as a starting point, making a height perpendicular to the semicircle and equal to the abnormal state value, constructing a semi-cone by the semicircle and the height, extracting the volume of the semi-cone, marking the numerical value of the volume corresponding to the cone as a cutter compensation value HE, setting the value range of a cutter compensation processing strategy group, marking HEn as the node value of the value range, HEn +1, matching a cutter compensation value with a value range of a cutter compensation processing strategy group, generating a normal operation strategy when HE < HEn, generating a parameter compensation strategy when HEn is less than or equal to HE < HEn +1, and generating a cutter damage passing strategy when HEn +1 is less than or equal to HE:
when the normal operation strategy is executed, no special processing operation is needed;
When a parameter compensation strategy is executed, extracting a parameter difference HYi of any parameter in the tool characteristic information, setting a compensation correction selection time zone, carrying out mean calculation on the parameter difference corresponding to the parameter in the compensation correction selection time zone to obtain a correction mean value which is denoted as iXZ1, calculating a correction fluctuation value iXZ by using a variance formula on the parameter difference corresponding to the parameter in the compensation correction selection time zone, carrying out weighted calculation on the parameter difference, the correction mean value and the correction fluctuation value, and carrying out a formula iXZ = HYi ×ir3+ iXZ1×ir1+ iXZ ×ir2 to obtain a compensation adjustment value iXZ corresponding to the parameter, wherein ir1, ir2 and ir3 respectively represent the correction mean value, the correction fluctuation value and a weight factor corresponding to the parameter difference, and the size of the weight factor is self-defined according to use, for example, the value can be 0.3, 0.4 and 0.2;
When the tool damage strategy is executed, the key position processing mechanism is controlled to stop operation, and when the normal operation strategy is generated, the tool wear degree is smaller, the cutting opening is clearer and smoother, the tool mark is finer and clearer, the size and the shape of the cutting opening and the depth and the shape of the tool mark are consistent with the corresponding design of the tool, when the parameter compensation strategy is generated, the tool wear degree or the size of the cutting opening or the size of the tool mark is beyond the normal range, and when the tool damage strategy is generated, the tool is excessively worn or the difference between the size of the cutting opening and the size of the tool mark and the normal size is too large.
The fault detection processing module is used for acquiring operation information of a key position processing mechanism, wherein the operation information comprises currents, voltages, loads, temperatures, rotating speeds and cutting forces, cutting speeds, feeding speeds and feeding amounts of a cutter of each motor on the multi-axis motion device, carrying out fault analysis on the operation information to obtain operation abnormal values TY corresponding to parameters in the operation information, specifically, setting a normal range corresponding to each parameter, such as a current corresponding to the normal range, comparing the parameter with the normal range, judging the maximum value or the minimum value of the parameter and the normal range if the parameter does not belong to the corresponding normal range, comparing the maximum value or the minimum value of the parameter with the maximum value, calculating the difference value between the parameter and the minimum value to obtain corresponding operation abnormal values, calculating the difference value between the parameter and the maximum value to obtain corresponding operation abnormal values if the parameter is larger than the maximum value, and carrying out fault list setting the abnormal operation values according to the sequence of the maximum value or the abnormal operation values, and the abnormal operation values corresponding to the abnormal operation threshold value, and the abnormal operation values are arranged in the abnormal operation threshold value when the abnormal operation values are arranged, the fault signaling of all parameters is marked as a fault signaling group corresponding to the parameters, the operation abnormal values of all parameters in the operation information are comprehensively predicted and processed, and a formula is utilizedObtaining a mechanism early warning value TU; the method comprises the steps of respectively representing an operation abnormal value corresponding to a parameter J in operation information and a corresponding weight of the operation abnormal value, wherein J represents the number of the parameter J in the operation information, j=1, 2, and J1, J1 represents the total number of the parameter numbers in the operation information, the larger the operation abnormal value of the corresponding parameter in the operation information is, the larger the mechanism early warning value is, the larger the level of the early warning measure is, the larger the abnormal probability of a key slot machining mechanism is, the early warning measure level group of the mechanism early warning value is set, the mechanism early warning value is matched with the early warning measure level group to obtain the corresponding early warning measure level, so as to execute the early warning measure of the corresponding early warning measure level, and the method is required to be interpreted that the early warning measure level group comprises low-level early warning, medium-level early warning and high-level early warning, yellow warning lamps are set according to the priority corresponding to the early warning level when the low-level early warning measure group is generated, red warning lamps are set according to the priority corresponding to the early warning level when the medium-level, the sound alarm is controlled to sound the set according to the priority corresponding to the early warning level, and meanwhile, the key slot machining mechanism is stopped when the early warning measure is controlled to be executed.
The specific process of controlling the sound alarm to give out alarm sounds with the set sound size comprises the steps of acquiring workers in a range corresponding to a region of the sound alarm, selecting the first 3 workers closest to the sound alarm, marking the workers as target workers, connecting the positions of all the target workers with the positions of the sound alarm to obtain corresponding member lines, counting the thickness of objects on the member lines, summing the thickness values of all the objects on the member lines, marking the thickness values as total thickness values, counting the lengths of all the member lines, taking an average value to obtain a member average value, acquiring an included angle surrounded by all the member lines, extracting the value of the included angle, and marking the value as an included angle value;
Inputting the total thickness value, the included angle value and the mean value of the device into a computer program, converting the total thickness value, the included angle value and the mean value of the device into length values according to a certain proportion, constructing two circles with the corresponding length of the total thickness value and the included angle value as the radius, and arranging the centers of the two circles on the same vertical line, wherein the vertical distance between the two circles is equal to the corresponding length of the mean value of the device;
And matching the distance sound value with the distance sound ranges, matching the sound size corresponding to the distance sound ranges when the distance sound value belongs to the distance sound ranges, and controlling the sound alarm to sound the alarm of the sound size.
The corresponding sound size is obtained through the analysis of the position of the personnel, then the sound alarm is controlled to alarm, and the problems that when the personnel are close or far, the sound is too big or too small, the alarm sound is harsher when the personnel are close, when the personnel are far, the sound is too low, the personnel cannot hear the alarm sound in time, and the intelligent degree of the alarm is low are avoided.
In the application, the extendable shaft 9 comprises a shaft barrel 91 and a movable shaft 92, wherein a first sliding groove 93 is formed in the inner wall of the shaft barrel 91, a second sliding groove 94 is formed in the surface of the movable shaft 92, a second guide block 96 which is in sliding connection with the second sliding groove 94 is fixedly connected to the inner wall of the shaft barrel 91, a first guide block 95 which is in sliding connection with the first sliding groove 93 is fixedly connected to the surface of the movable shaft 92, the surface of the shaft barrel 91 is fixedly connected with the driven bevel gear 14, and the surface of the movable shaft 92 is in rotational connection with one end of the connecting rod 18.
In the application, the abnormal characteristic analysis is carried out on the characteristic information of the cutter to obtain the abrasion degree value, and the specific analysis is as follows:
Setting a set standard threshold corresponding to parameters in the cutter characteristic information, subtracting the set standard threshold corresponding to the parameters from any one parameter in the cutter characteristic information to obtain a parameter difference value which is expressed as HYi, wherein i represents the number of the corresponding parameter in the cutter characteristic information, i=1, 2,.. The method comprises the steps of obtaining a wear degree value HE1, wherein idelta represents a weight corresponding to a parameter i in cutter characteristic information, B represents a preset normal characteristic correction constant, the larger the parameter difference value in the characteristic information is, the larger the corresponding wear degree value is, the larger the probability of cutter problems is, cutter characteristic information comprises the size, the height, the area, the depth and the length, the depth, the width, the spacing and the angle of a cutting opening on a workpiece, the cutter tip size, the cutter edge size, the cutter handle size and the surface finish and roughness of a cutter, and the cutter tip size comprises the cutter tip radius, the cutter tip chamfering radius and the cutter tip inclination angle, the cutter edge size comprises the cutter length, the cutter edge thickness and the rear angle, and the normal characteristic correction constant comprises relevant factors such as a coating material, a coating thickness and the cutter material of the cutter surface.
In the application, the state change analysis is carried out on the state information of the cutter to obtain an abnormal state value, and the specific analysis is as follows:
Setting the corresponding normal range of parameters in the cutter state information, comparing the value of any parameter in the cutter state information with the corresponding normal range, when the corresponding value of the parameter is not in the corresponding normal range, marking the corresponding value of the parameter as an abnormal parameter value, marking the parameter as an abnormal parameter, generating a parameter corresponding detection analysis signal, triggering the abnormal analysis of the corresponding parameter, marking the moment of generating the parameter corresponding detection analysis signal as an original moment, respectively selecting all moments within a set time before and after the original moment as abnormal selection time zones, extracting the abnormal parameter value in the abnormal selection time zone to obtain an abnormal value to be expressed as HC1, carrying out mean value calculation on all abnormal parameter values in the abnormal selection time zone to obtain an abnormal mean value to be expressed as HC2, constructing an abnormal parameter change line graph, substituting the corresponding value of the parameter in any moment in the abnormal selection time zone into the abnormal parameter change line graph, marking the position of the corresponding value in the line as a parameter point, connecting adjacent parameter points to obtain a parameter line, calculating the slope of the parameter line, marking the positive slope as an ascending value, respectively selecting all moments within a negative slope to be expressed as an ascending value, respectively calculating the value to be a negative slope to be expressed as a value of HC1, and calculating the total value of X0, and the total value of X0.X3, respectively calculating the total value to be equal to the value to the total value of X0, and the value is calculated to be the total value by using the weighted value and the value to be expressed as the value 1 and the value as the value 1 and the value as the value and the value as the value Obtaining an abnormal state value HE2, wherein tHC1, tHC2, tHC3, tf1, tf2 and tf3 respectively represent an abnormal value, an abnormal average value, a parameter value and a weight corresponding to the abnormal parameter t, the weight is self-defined, t=1, 2, J3 and J3 represent the total number of the abnormal parameters, and the larger the abnormal value, the larger the abnormal average value and the larger the parameter value of the abnormal parameters are, the larger the corresponding abnormal state value is, and the greater the abnormal probability of the cutter due to cutter state information is.
The processing control system further comprises a communication module, wherein the communication module is used for being in communication connection with the intelligent terminal, the compensation processing strategy group, the parameter corresponding fault signaling group, the early warning measure grade group and the operation abnormality list are sent to the intelligent terminal and displayed, the intelligent terminal can display the compensation processing strategy group or the early warning measure grade group through characters, icons, line diagrams or column diagrams, alarm sounds or vibration prompts and the like after receiving the compensation processing strategy group or the early warning measure grade group, the relevant operation and maintenance team can execute corresponding processing measures after receiving the compensation processing strategy group, the parameter corresponding fault signaling group or the early warning measure grade group through the intelligent terminal, and the relevant operation and maintenance team can sequentially maintain corresponding parameter corresponding elements of the key groove processing mechanism through the operation abnormality list or the parameter corresponding fault signaling group.
The invention is implemented in particular:
when the key slot machining mechanism is operated, a driving piece at the end part of the multi-shaft motion device 3 drives a driving bevel gear 15 to rotate, so that a driven bevel gear 14 meshed with the driving bevel gear 15 drives a first transmission bevel gear 10 and a second transmission bevel gear 12 at two ends of an extendable shaft 9 to respectively drive a first driving bevel gear 11 and a second driving bevel gear 13 to rotate, thereby enabling a fixed cutter handle and a movable cutter handle to synchronously rotate, realizing the machining of key slots on a workpiece, improving the machining efficiency, when the key slots with different specifications are required to be machined, a movable seat 17 can be driven by a transverse motion device 5 to drive the movable cutter handle 7 to move, and meanwhile, a connecting rod 18 is used for driving the extendable shaft 9 to extend, so that the second transmission bevel gear 12 and the second driving bevel gear 13 are kept in a meshed state, thereby realizing flexible adjustment of the distance between the fixed cutter handle 6 and the movable cutter handle 7, flexibly adapting to the size and shape requirements of different machining key slots, and fine adjustment of cutter positions in the machining process is realized, and more accurate machining effect is achieved.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any adaptations, uses, or adaptations of the disclosure following the general principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
The foregoing description of the preferred embodiments of the present disclosure is not intended to limit the disclosure, but rather to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principles of the present disclosure.
Claims (7)
1. The key slot machining mechanism with the double diamond milling cutters comprises a key position machining mechanism, wherein the key position machining mechanism comprises a workbench (1), a clamping mechanism (2), a multi-shaft motion device (3), a machining head (4) and a machining control system, the clamping mechanism (2) and the multi-shaft motion device (3) are arranged on the workbench (1), the machining head (4) is arranged at the output end part of the multi-shaft motion device (3), the key position machining mechanism is characterized in that an installation cavity is arranged in the machining head (4), an axle bracket (8) is fixedly connected with the inner wall of the installation cavity, the top of the axle bracket (8) is rotationally connected with an extensible shaft (9), the surface of the extensible shaft (9) is fixedly connected with a driven bevel gear (14), one side of the driven bevel gear (14) is meshed with a driving bevel gear (15), the installation shaft of the driving bevel gear (15) is connected with a driving piece at the end part of the multi-shaft motion device (3), a transmission bevel gear I (10) and a transmission bevel gear II (12) are respectively fixedly connected with two ends of the driving bevel gear I (10), one side of the transmission bevel gear I (10) is rotationally connected with a driving bevel gear II (16) fixedly connected with the inner wall of the handle (11) and fixedly connected with the inner wall of the bevel gear (16), the movable groove (16) is connected with a movable seat (17) in a sliding manner, the movable seat (17) is rotationally connected with a movable cutter handle (7), the surface of the movable cutter handle (7) is fixedly connected with a driving bevel gear II (13) meshed with a driving bevel gear II (12), the processing head (4) is provided with a transverse driving device (5) matched with the movable seat (17), and one side of the movable seat (17) is fixedly connected with a connecting rod (18);
The processing control system comprises a feedback adaptation adjustment module and a fault detection processing module, wherein the feedback adaptation adjustment module is used for acquiring cutter abrasion and environment information in the processing process in real time through a sensor, carrying out abnormal characteristic analysis on cutter characteristic information to obtain an abrasion degree value, carrying out state change analysis on cutter state information to obtain an abnormal state value, then processing the abrasion degree value and the abnormal state value to obtain a cutter compensation value HE, setting a value range of a cutter compensation processing strategy group, marking node values HEn and HEn+1 of the value range, matching the cutter compensation value with the value range of the cutter compensation processing strategy group, generating a normal operation strategy when HE is smaller than HEn, generating a parameter compensation strategy when HEn is smaller than or equal to HE is smaller than HEn +1, generating a cutter excessive loss strategy when HEn +1 is smaller than or equal to HE, marking the normal operation strategy, the parameter compensation strategy and the cutter excessive loss strategy as the cutter compensation processing strategy group, and executing corresponding measures according to corresponding strategies in the cutter compensation processing strategy group;
The fault detection processing module is used for acquiring operation information of the key position processing mechanism, carrying out fault analysis on the operation information to obtain operation abnormal values corresponding to parameters in the operation information, arranging the operation abnormal values corresponding to the parameters in the operation information according to a size sequence to obtain an operation abnormal list, setting a fault threshold of the operation abnormal values corresponding to the parameters, comparing the operation abnormal values with the fault threshold, generating fault signaling corresponding to the parameters if the operation abnormal values are larger than the fault threshold, marking the fault signaling of all the parameters as a fault signaling group corresponding to the parameters, carrying out comprehensive prediction processing on the operation abnormal values of all the parameters in the operation information to obtain mechanism early warning values, setting an early warning measure grade group of the mechanism early warning values, matching the mechanism early warning values with the early warning measure grade group to obtain corresponding early warning measure grades, and executing early warning measures of corresponding early warning measure grades.
2. The key slot machining mechanism with the double-diamond milling cutter according to claim 1, wherein one end of the connecting rod (18) is rotationally connected with a movable end of the extensible shaft (9), the extensible shaft (9) comprises a shaft cylinder (91) and a movable shaft (92), a sliding groove I (93) is formed in the inner wall of the shaft cylinder (91), a sliding groove II (94) is formed in the surface of the movable shaft (92), a guide block II (96) which is in sliding connection with the sliding groove II (94) is fixedly connected with the inner wall of the shaft cylinder (91), a guide block I (95) which is in sliding connection with the sliding groove I (93) is fixedly connected with the surface of the movable shaft (92), the surface of the shaft cylinder (91) is fixedly connected with the driven bevel gear (14), and the surface of the movable shaft (92) is rotationally connected with one end of the connecting rod (18).
3. The key slot processing mechanism with double diamond milling cutters according to claim 1, wherein the cutter abrasion and environment information comprises cutter characteristic information and cutter state information, and the operation information comprises current, voltage, load, temperature, rotating speed, cutting force, cutting speed, feeding speed and feeding quantity of each motor on the multi-axis motion device.
4. A key groove processing mechanism provided with a double diamond milling cutter according to claim 3, wherein the specific analysis process for obtaining the wear degree value by carrying out abnormal feature analysis on the cutter feature information is as follows:
setting a set standard threshold corresponding to the parameters in the cutter characteristic information, subtracting the set standard threshold corresponding to the parameters from any one parameter in the cutter characteristic information to obtain a parameter difference value, and processing the parameter difference value in the characteristic information to obtain a wear degree value.
5. A key groove processing mechanism provided with a double diamond milling cutter according to claim 3, wherein the specific analysis process for obtaining the abnormal state value by performing the state change analysis on the cutter state information is as follows:
Setting a corresponding normal range of parameters in the cutter state information, comparing the numerical value of any parameter in the cutter state information with the corresponding normal range, marking the corresponding numerical value of the parameter as an abnormal parameter numerical value when the corresponding numerical value of the parameter is not in the corresponding normal range, marking the parameter as an abnormal parameter, generating a parameter corresponding detection analysis signal, triggering the abnormal analysis of the corresponding parameter by the parameter corresponding detection analysis signal, marking the moment of the corresponding parameter detection analysis signal as an original moment, respectively selecting all moments in a set time before and after the original moment as abnormal selection time zones, extracting the numerical value of the abnormal parameter numerical value in the abnormal selection time zone to obtain an abnormal numerical value, carrying out mean value calculation on all the abnormal parameter numerical values in the abnormal selection time zones to obtain an abnormal mean value, constructing an abnormal parameter change line graph, marking the position of the corresponding numerical value of the parameter in the line graph as a parameter point, connecting adjacent parameter points to obtain a parameter line, calculating the slope of the parameter line, marking the positive slope as an ascending value, respectively selecting the negative slope as a descending value, respectively selecting all the moments as a total value, carrying out total value and calculating the abnormal value, and carrying out total value descending and total value calculating to obtain the abnormal value, and overall value.
6. The keyway processing mechanism with the double-diamond milling cutter according to claim 1, wherein the processing control system further comprises a communication module, the communication module is used for being in communication connection with the intelligent terminal, and the compensation processing strategy group, the parameter corresponding fault signaling group, the early warning measure grade group and the running abnormality list are sent to the intelligent terminal and displayed.
7. The keyway processing mechanism with double diamond milling cutters as set forth in claim 1, wherein the specific measures for executing the corresponding measures according to the corresponding strategies in the set of tool compensation treatment strategies are:
When executing the parameter compensation strategy, extracting a parameter difference value of any parameter in the cutter characteristic information, setting a compensation correction selection time zone, carrying out mean value calculation on the parameter difference value corresponding to the parameter in the compensation correction selection time zone to obtain a correction mean value, wherein the correction mean value is expressed as that the parameter difference value corresponding to the parameter in the compensation correction selection time zone is calculated by using a variance formula to obtain a correction fluctuation value, and carrying out weighted calculation on the parameter difference value, the correction mean value and the correction fluctuation value to obtain a compensation adjustment value corresponding to the parameter;
and when the tool damage strategy is executed, controlling the key position processing mechanism to stop operating.
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| CN202410471723.3A CN118080942A (en) | 2024-04-19 | 2024-04-19 | Keyway processing mechanism with two diamond milling cutter |
| CN2024104717233 | 2024-04-19 |
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| CN202410471723.3A Withdrawn CN118080942A (en) | 2024-04-19 | 2024-04-19 | Keyway processing mechanism with two diamond milling cutter |
| CN202411299919.5A Pending CN119115037A (en) | 2024-04-19 | 2024-09-18 | Keyway machining mechanism with double diamond milling cutters |
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