CN215147392U - Acquisition device for monitoring working condition parameters of cutter in real time - Google Patents
Acquisition device for monitoring working condition parameters of cutter in real time Download PDFInfo
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- CN215147392U CN215147392U CN202121621251.3U CN202121621251U CN215147392U CN 215147392 U CN215147392 U CN 215147392U CN 202121621251 U CN202121621251 U CN 202121621251U CN 215147392 U CN215147392 U CN 215147392U
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Abstract
The application discloses collection system of real-time supervision cutter operating mode parameter, the cutter assembly includes original handle of a knife, clamping cutting tool on the original handle of a knife, wherein, the device includes: the cutter handle connecting piece can be clamped on the original cutter handle; a tool clamp adapted to clamp said cutting tool; a parameter acquisition spare, parameter acquisition spare sets up handle of a knife connecting piece with between the cutter clamping piece, parameter acquisition spare still includes: a housing; the cutting tool comprises at least one cavity, wherein a sensing piece is arranged in the cavity and used for detecting micro-strain parameter information generated when the cutting tool is used for machining a metal workpiece. The technical problems that in the traditional process parameter adjusting process in the prior art, most of the information analysis acquired through past experience or indirect collection is used as an optimization basis, reliability and reliability are poor, quantitative judgment is lacked, and applicability is poor are solved.
Description
Technical Field
The application relates to the technical field of intelligent manufacturing, in particular to a collecting device for monitoring working condition parameters of a cutter in real time.
Background
With the development of industries such as aviation, aerospace, military, medical treatment and the like, higher requirements are put forward on the machining precision and the machining quality stability of precise and complex parts. Because the change of the cutting force is the most direct parameter reflecting the cutting state, the real-time monitoring and control of the cutting force play an important role in improving the machining precision, the surface quality and the like of parts, although the research on the cutting force in China has been carried out for many years, no product which can be practically applied exists at present, and particularly, a system and a related device for detecting and controlling the accurate cutting force applied to the cutting machining of a cutter are in a blank stage. Although foreign countries have an intelligent tool shank for measuring cutting force, the product of the intelligent tool shank is integrated with the tool shank, so that the product of the intelligent tool shank must be matched with a specific power head of a machine tool and the specific tool shank, and the intelligent tool shank is large in limitation and limited in application range.
However, the applicant of the present invention has found that the above prior art has at least the following technical problems:
in the traditional process parameter adjusting process in the prior art, most of the information analysis acquired through past experience or indirect acquisition is used as an optimization basis, so that the technical problem of poor applicability is caused due to poor reliability and lack of quantitative judgment.
SUMMERY OF THE UTILITY MODEL
The application provides a collection system of real-time supervision cutter operating mode parameter, the traditional technological parameter adjustment in-process among the prior art has been solved, mostly use past experience or indirect information analysis of gathering as the optimization foundation, the reliability, the credibility is poor, lack quantitative judgement, cause the poor technical problem of suitability, reach and carry out wireless transmission after monitoring analysis to the acquisition signal, thereby for optimizing metal cutting parameter, improve the part processingquality, the rational use cutter and the rational use equipment ability provide the data support foundation for the decision-making, the technological effect that the suitability is strong.
In order to solve the above problem, the present application provides a real-time supervision cutter operating mode parameter's collection system, wherein, the device includes: the cutter handle connecting piece can be clamped on the original cutter handle; a tool clamp adapted to clamp said cutting tool; a parameter acquisition spare, parameter acquisition spare sets up handle of a knife connecting piece with between the cutter clamping piece, wherein, parameter acquisition spare still includes: a housing; the cutting tool comprises at least one cavity, wherein a sensing piece is arranged in the cavity, and the sensing piece is used for detecting micro-strain parameter information generated when the cutting tool is used for machining a metal workpiece.
Preferably, the parameter acquisition member further includes: the shell is provided with an accommodating space; the signal processing unit is arranged in the accommodating space, is in communication connection with the parameter acquisition part and acquires micro-strain parameter information; the signal sending unit is arranged in the accommodating space, is in communication connection with the signal processing unit and obtains microstrain parameter information; and the signal sending unit sends the micro-strain parameter information to the outside.
Preferably, the parameter acquisition member further includes: at least one first cavity, the first cavity sets up on the lateral wall of parameter acquisition spare.
Preferably, at least one first micro-strain sensor used for collecting axial stress is arranged in the first cavity, and the first micro-strain sensor is a unidirectional force micro-strain sensor.
Preferably, the parameter acquisition member further includes: at least one second cavity, the second cavity sets up on the lateral wall of parameter acquisition spare.
Preferably, at least one second micro-strain sensor for collecting stress in the X and/or Y direction is arranged in the second cavity, and the second micro-strain sensor is a micro-strain sensor in two perpendicular directions.
Preferably, the sidewall of the parameter acquisition element is provided with four second cavities, the second cavities are uniformly distributed around the sidewall of the parameter acquisition element, each second cavity is internally provided with at least one second micro-strain sensor, and the second micro-strain sensors in each second cavity form a wheatstone bridge.
Preferably, the sensing piece is a resistance strain gauge.
One or more technical solutions in the present application have at least one or more of the following technical effects:
the application provides a collection system of real-time supervision cutter operating mode parameter, a handle of a knife connecting piece, the handle of a knife connecting piece can install and press from both sides on the handle of a knife, a cutter clamping piece, but cutter clamping piece clamping cutting tool, wherein, the device includes: a parameter acquisition spare, parameter acquisition spare sets up handle of a knife connecting piece with between the cutter clamping piece, wherein, parameter acquisition spare still includes: a housing; the cutting tool comprises at least one cavity, wherein a sensing piece is arranged in the cavity, and the sensing piece is used for detecting micro-strain parameter information generated when the cutting tool is used for machining a metal workpiece. The technical problems that in the traditional process parameter adjusting process in the prior art, most of information analysis acquired through past experience or indirect is used as an optimization basis, reliability and reliability are poor, quantitative judgment is lacked, and applicability is poor are solved, the online real-time detection based on a sensor is achieved, acquired signals are monitored and analyzed and then wirelessly transmitted, and therefore a decision-making data support basis is provided for optimizing metal cutting parameters, improving part machining quality, reasonably using a cutter and reasonably using equipment capacity, and the technical effect of high applicability is achieved.
Drawings
In order to more clearly illustrate the technical solutions in the present application or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic connection diagram of an acquisition device for monitoring working condition parameters of a tool in real time according to an embodiment of the present application;
fig. 2 is a schematic diagram of a specific structure of an acquisition device for monitoring working condition parameters of a tool in real time provided in an embodiment of the present application;
fig. 3 is a schematic diagram of a first embodiment of a specific structure of an acquisition device for monitoring working condition parameters of a tool in real time provided in an embodiment of the present application;
FIG. 4 is an unassembled schematic diagram of a second embodiment of a specific structure of an acquisition device for monitoring working condition parameters of a tool in real time provided in an embodiment of the present application;
FIG. 5 is an assembly completion schematic diagram of a second embodiment of a specific structure of an acquisition device for monitoring working condition parameters of a cutter in real time provided in an embodiment of the present application;
fig. 6 is a schematic view of a specific structure of a housing of an acquisition device for monitoring working condition parameters of a cutter in real time.
Reference numerals: the tool comprises an original tool shank 1, a first position 11, a tool shank connecting piece 2, a tool clamping piece 3, a cutting tool 4, a parameter acquisition piece 5, a shell 51, a first cavity 52, a second cavity 53 and a sensing base piece 54.
Detailed Description
In order to make the above objects, features and advantages of the present application more comprehensible, specific embodiments thereof are described in detail below with reference to the accompanying drawings. In the following description, numerous details are set forth to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
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 denote a unique embodiment.
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 application belongs. The terminology used herein in the description of the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The application provides a collection system of real-time supervision cutter operating mode parameter, has solved traditional technological parameter adjustment in the prior art in-process, mostly uses the information analysis of past experience or indirect collection as the optimization foundation, and reliability, credibility are poor, lack quantitative judgement, cause the technical problem that the suitability is poor.
The technical scheme in the application has the following overall structure: a handle connecting piece 2, handle connecting piece 2 can install and press from both sides on original handle of a knife 1, a cutter clamping piece 3, but cutter clamping piece 3 clamping cutting tool 4, a parameter acquisition spare, the setting of parameter acquisition spare is in handle connecting piece with between the cutter clamping piece, wherein, the parameter acquisition spare still includes: a housing; the cutting tool comprises at least one cavity, wherein a sensing piece is arranged in the cavity, and the sensing piece is used for detecting micro-strain parameter information generated when the cutting tool is used for machining a metal workpiece. The method achieves the purposes of on-line real-time detection based on the sensor, and wireless transmission after monitoring and analyzing the acquired signals, thereby providing a data support basis for decision making for optimizing metal cutting parameters, improving the part processing quality, reasonably using the cutter and reasonably using the equipment capacity.
To make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example 1
As shown in fig. 1, the present application provides a collection system for monitoring working condition parameters of a tool in real time, wherein the tool assembly includes an original tool shank 1, a cutting tool 4 is arranged on the original tool shank 1, wherein the system includes: a handle connecting piece 2, handle connecting piece 2 can install and press from both sides original handle of a knife 1 is last, a cutter clamping piece 3, but cutter clamping piece 3 clamping cutting tool 4, a parameter acquisition spare 5, parameter acquisition spare 5 sets up handle connecting piece 2 with between the cutter clamping piece 3, wherein, parameter acquisition spare 5 still includes: a housing 51; the metal workpiece machining tool comprises at least one cavity, wherein a sensing piece is arranged in the cavity and used for detecting micro-strain parameter information generated by the cutting tool bit during machining of a metal workpiece.
Specifically, as shown in fig. 1, the shank adapter 2 is clamped to the original shank 1, and the tool clamping member 3 and the cutting tool 4 are locked together. The tool shank, the device and the cutter combination formed in the way carry out machining and cutting on metal workpieces at high speed along with a machine tool power head, stress strain and vibration of a sensing part are arranged in a cavity of a parameter acquisition part 5, wherein the cavity comprises a first cavity 52 and a second cavity 53, the first cavity 52 and the second cavity 53 are different, and further change of an electric signal is generated, the acquired electric signal is sent in a wireless mode through necessary data processing, and then the signal is received, processed and displayed through an external receiving device, wherein as shown in figure 6, a shell 51 is a shell protection body, the unit is wrapped and protected by the shell protection body, and the damage to the unit body caused by external impact collision, invasion of metal foreign matters, oil gas and cutting fluid is prevented, so that the safety protection of corresponding parts is completed, therefore, the technical problems that in the traditional process parameter adjusting process in the prior art, most of the information analysis acquired by past experience or indirect acquisition is used as an optimization basis, the reliability and the reliability are poor, quantitative judgment is lacked, and the applicability is poor are solved, so that the sensor adopting the design monitors operation data such as the process parameter process in real time and performs wireless transmission, the visualization degree of the operation process is high, the optimized data target is clear, the operability is high, and the technical effect of flexibly matching different types of tool handles is achieved.
Further, the parameter acquisition part 5 further comprises: the housing 51 has an accommodating space; the signal processing unit is arranged in the accommodating space, is in communication connection with the parameter acquisition part 5 and obtains microstrain parameter information; the signal sending unit is arranged in the accommodating space, is in communication connection with the signal processing unit and obtains microstrain parameter information; and the signal sending unit sends the micro-strain parameter information to the outside.
Specifically, as shown in fig. 6, an accommodating space is present in the housing 51, and a signal processing unit is provided in the accommodating space and is used for processing signal data of the signal acquired by the sensing part, that is, the part of the accommodating space included in the parameter acquisition part 5 is an acquired signal processing part, where the acquired signal processing part includes an acquisition sensing unit, a power supply unit, a signal processing unit, and a signal transmitting unit. Further, the acquisition sensing unit comprises acquisition of force signals and acquisition of vibration temperature signals. The power supply unit supplies power for the sensing collection unit, the signal processing unit and the signal sending unit. The signal processing unit mainly has the functions of acquiring the micro-strain parameter information by acquiring the electric signal through the sensing part, performing data cleaning, calculation, temporary storage and packaging on the micro-strain parameter information, triggering the information sending unit according to set logic, and further sending the micro-strain parameter information to the outside according to an agreed data format. The signal sending unit has the main function of finishing wireless sending of the microstrain parameter information according to the instruction of the processing unit. In detail, the data acquisition and wireless transmission system mainly works to complete real-time data sampling and holding, convert the data into digital signals through A/D (analog/digital), then calculate, process and store the data, and finally transmit the real-time data to a wireless receiving end through a wireless network, so that the purpose of online real-time detection of a real-time processing state is realized, the acquired micro-strain parameter information is transmitted to an external receiving system, and the wireless transmission of the acquired signals under a high-speed working condition is realized.
Further, the parameter acquisition part 5 further comprises: at least one first cavity 52, said first cavity 52 being provided on a side wall of said parameter acquisition element 5.
Further, at least one first micro-strain sensor for acquiring axial stress is arranged in the first cavity 52, and the first micro-strain sensor is a unidirectional force micro-strain sensor.
Specifically, the motion parameters in the machining process of the tool are acquired in real time by a micro-strain sensor disposed in a cavity formed on a side wall of the parameter acquisition member 5, wherein the cavity is a first cavity 52, and the shape of the first cavity 52 may be a planar slot with a certain geometric shape, such as a rectangle, a circle, or an ellipse, as shown in fig. 2, in this embodiment, the first cavity 52 is a rectangular slot. Further, the first cavity 52 may utilize the micro-deformation of the measured tool, and the detected micro-deformation is mechanically amplified by the sensor attached to the first cavity 52 to detect, and the corresponding micro-strain sensor is disposed in the first cavity 52 of the sidewall, so as to accurately collect the axial stress in the tool machining process in real time, wherein the micro-strain sensor is disposed in the first cavity 52 of the sidewall of the parameter collecting member 5, and the number of the first cavities 52 of the sidewall is not limited by the specific number, and the number of the first cavities 52 of the sidewall can be set according to the specific performance requirement, and the assembly of the corresponding number of the micro-strain sensors with one-way force can be completed based on the number of the set first cavities 52, on the other hand, as shown in fig. 3, the assembly method may further directly attach the micro-strain sensor to the sensing base member 54 side of the parameter collecting member 5 in a patch manner And the wall surface is designed according to the use requirement of the cutter. In detail, the first micro-strain sensor is a unidirectional force micro-strain sensor, and the micro-strain sensor assembled in the first cavity 52 is used for acquiring axial stress, so that data acquisition of the axial stress is completed by arranging the unidirectional force micro-strain sensor, wherein the axial stress refers to stress generated by a transverse section line of a cylinder body in a cylindrical container, and corresponding axial stress capable of generating response is generated along with improvement of motion parameters of a rotor of a cutter in a working state, and then real-time monitoring is performed on data generated by the unidirectional force micro-strain sensor based on the arranged micro-strain sensor, so that the purposes of refining the assembly of the micro-strain sensor, performing applicability design according to the use requirement of the cutter and further realizing real-time online real-time detection of a real-time processing state are achieved.
Further, the parameter acquisition part 5 further comprises: at least one second cavity 53, said second cavity 53 being provided on a side wall of said parameter acquisition element 5.
Further, at least one second micro-strain sensor for collecting stress in the X and/or Y direction is arranged in the second cavity 53, and the second micro-strain sensor is a micro-strain sensor in two perpendicular directions.
Further, the sidewall of the parameter acquisition element 5 is provided with four second cavities 53, the second cavities 53 are uniformly distributed around the sidewall of the parameter acquisition element 5, each second cavity 53 is provided with at least one second micro-strain sensor therein, and the second micro-strain sensors in each second cavity 53 form a wheatstone bridge with each other.
Specifically, the sidewall of the parameter acquisition element 5 includes the first cavity 52 and the second cavity 53, wherein at least one second cavity 53 is disposed on the sidewall of the parameter acquisition element 5, and the assembly of the corresponding vertical micro-strain sensor is completed, so as to obtain the second parameter acquisition element 53, wherein the cavity is the second cavity 53, and the second cavity 53 may also be a planar slot with a certain geometric shape, such as a rectangle, a circle, or an ellipse, as shown in fig. 2, in this embodiment, the second cavity 53 is a circular slot, and the second cavity 53 on the sidewall of the parameter acquisition element 5 may be composed of a set of 4 (or more) planar slots for measuring bending moment and torque strain. Furthermore, the parameter acquisition element 5 of the present invention deforms due to the reaction force of the tool during machining, and therefore, by providing a second micro-strain sensor for acquiring stress in the X and/or Y direction and installing a sensor for measuring micro-strain in each corresponding slot, in detail, the second micro-strain sensor is different from the first micro-strain sensor, and the micro-strain sensor is disposed in the second cavity 53 and can be used for acquiring bending moment and torque stress, that is, further acquiring data of two stresses in the vertical direction. On the other hand, as shown in fig. 3, the second micro-strain sensor may be directly attached to the surface of the side wall of the sensing base part 54 of the parameter acquisition part 5 in an assembly manner by a stress patch manner, without providing a slot, and the applicability design is performed according to the use requirement of the tool. When the stress in the side wall of the parameter acquisition part 5 generates micro deformation, the second micro strain sensor of the second cavity 53 generates corresponding electric signal change, and then corresponding data real-time acquisition is completed, and the Wheatstone bridge can acquire more accurate measurement due to the fact that current passes through very sensitive characteristics, so that the stress of different attributes is acquired, the accuracy of real-time data monitoring can be improved, accurate and reliable data bases are provided for flexibly matching different types of tool shanks, applicability design is performed according to tool use requirements, and the technical effect of high applicability is achieved.
Further, the sensing piece is a resistance strain gauge.
Specifically, the resistance strain gauge is an element for measuring strain. It can convert the change of strain on the mechanical member into a change of resistance. The resistance strain gage is made up by using constantan wire or nickel-chromium wire whose phi is 0.02-0.05mm, and making them be wound into a grid form (or using thin metal foil to make it be corroded into a grid form), and sandwiching them between two layers of insulating sheets (base). The silver-plated copper wire is connected with the strain gauge wire grid and used as a resistance gauge lead, the resistance strain gauge has various forms, such as a commonly used wire type and a commonly used foil type, specific limitation is not made, resistance change rate can be correspondingly determined through the resistance strain gauge, namely, the metal strain gauge is used for measuring component strain, conditions are provided for forming a Wheatstone bridge, and the change of an electric signal is generated correspondingly under the condition that the reaction force of the cutter deforms, so that an external receiving device can receive and process the signal conveniently.
Further, original handle of a knife 1 can also be directly with through stress paster mode first little strain sensor with the little strain sensor of second pastes in the first position 11 department of the lateral wall of original handle of a knife 1, as shown in fig. 4, can also accomplish the setting of sensor and the assembly of casing 51 through setting up the cavity to accomplish data monitoring with the package assembly shown in fig. 5, original handle of a knife 1 monitors through connecting the cutter in real time, consequently, the collection of cutter operating mode parameter can also be through the real-time transmission of the operating mode of original handle of a knife 1, and then further improvement uses the suitability.
Example 2
In order to explain the technical scheme of the acquisition device for monitoring the working condition parameters of the cutter in real time more clearly, the embodiment of the application provides a use method of the acquisition device for monitoring the working condition parameters of the cutter in real time, which comprises the following steps:
when the acquisition device is used, a worker can lock and connect the tool handle with the tool handle connecting piece 2 on the basis that an original machine tool and an original tool handle 1 are not changed, and then lock and connect the tool handle connecting piece 2 with the cutting tool 4, so that the formed tool handle, the device and tool combination carries out cutting processing on a metal workpiece along with a power head of the machine tool, the parameter acquisition piece 5 is deformed due to the reaction force of the tool during processing, the first micro-strain sensor and the second micro-strain sensor respectively obtain micro-strain parameters of axial stress, bending moment and torque stress according to the sensors assembled in the first cavity 52 and the second cavity 53, further the change of an electric signal is generated, and the acquired electric signal is processed and displayed through the protection, data processing and sending functions of the shell 51 in the parameter acquisition piece 5. And then accomplish accurate, effectual analysis to the data of gathering to realize monitoring, diagnosing the course of working, and then reached and optimized metal cutting parameter, improved part processingquality, realized the strong technological effect of suitability.
The technical scheme provided in the application at least has the following technical effects or advantages:
1. the example of the utility model provides a real-time supervision cutter operating mode parameter's collection system, wherein, the cutter assembly includes original handle of a knife, 1 facial make-up of original handle of a knife accompanies a cutting tool, wherein, the device includes: the cutter handle connecting piece can be clamped on the original cutter handle; a tool clamp clampable to said cutting tool; a parameter acquisition spare, parameter acquisition spare sets up handle of a knife connecting piece with between the cutter clamping piece, wherein, parameter acquisition spare still includes: a housing; the cutting tool comprises at least one cavity, wherein a sensing piece is arranged in the cavity, and the sensing piece is used for detecting micro-strain parameter information generated when the cutting tool is used for machining a metal workpiece. The method achieves the purposes of on-line real-time detection based on the sensor, and wireless transmission is carried out after monitoring and analyzing the acquired signals, so that data support basis is provided for optimizing metal cutting parameters, improving the part machining quality, reasonably using the cutter and reasonably using the equipment capacity, and the applicability is improved.
2. The example of the utility model has solved traditional technological parameter adjustment process through increasing parameter acquisition spare, mostly uses the information analysis of past experience or indirect collection as the optimization foundation, and reliability, credibility are poor, lack quantitative judgement, have reached the technological parameter process that adopts this design to go on, and visual degree is high, and it is clear and definite to optimize the data target, and maneuverability and suitability are strong.
3. The example of the utility model is through setting up axial strain dynamometry district and moment of flexure, moment of torsion strain dynamometry district to increase two parameter acquisition devices that correspond, with the little strain parameter information that obtains the difference, and then can rotate the parameter of in-process to the cutter and carry out accuracy, effectual data acquisition, reached and provide the data support foundation for rational use cutter and rational use equipment ability, increase the technological effect of suitability.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the embodiments of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (8)
1. The utility model provides a collection system of real-time supervision cutter operating mode parameter, wherein, the device is applied to a cutter assembly, cutter assembly includes original handle of a knife, clamping cutting tool on the original handle of a knife, wherein, the device includes:
the cutter handle connecting piece can be clamped on the original cutter handle;
a tool clamp adapted to clamp the cutting tool,
a parameter acquisition spare, parameter acquisition spare sets up handle of a knife connecting piece with between the cutter clamping piece, wherein, parameter acquisition spare still includes:
a housing;
the cutting tool comprises at least one cavity, wherein a sensing piece is arranged in the cavity, and the sensing piece is used for detecting micro-strain parameter information generated when the cutting tool is used for machining a metal workpiece.
2. The apparatus of claim 1, wherein the parameter acquisition element further comprises:
the shell is provided with an accommodating space;
the signal processing unit is arranged in the accommodating space, is in communication connection with the parameter acquisition part and acquires micro-strain parameter information;
the signal sending unit is arranged in the accommodating space, is in communication connection with the signal processing unit and obtains microstrain parameter information; and the signal sending unit sends the micro-strain parameter information to the outside.
3. The apparatus of claim 1, wherein the parameter acquisition element further comprises:
at least one first cavity, the first cavity sets up on the lateral wall of parameter acquisition spare.
4. The device of claim 3, wherein at least one first micro-strain sensor for collecting axial stress is disposed within the first cavity, the first micro-strain sensor being a unidirectional force micro-strain sensor.
5. The apparatus of claim 3, wherein the parameter acquisition element further comprises:
at least one second cavity, the second cavity sets up on the lateral wall of parameter acquisition spare.
6. The device of claim 5, wherein at least one second micro-strain sensor for collecting stress in X and/or Y direction is disposed in the second cavity, and the second micro-strain sensor is a micro-strain sensor in two perpendicular directions.
7. The device of claim 5, wherein said side wall of said device has four second cavities, and said second cavities are uniformly distributed around said side wall of said device, each of said second cavities has at least one second micro-strain sensor therein, and said second micro-strain sensors in each of said second cavities form a Wheatstone bridge with each other.
8. The device of claim 1, wherein the sensing element is a resistive strain gauge.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI823307B (en) * | 2022-03-24 | 2023-11-21 | 國立中正大學 | Intelligent tool holder casing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI823307B (en) * | 2022-03-24 | 2023-11-21 | 國立中正大學 | Intelligent tool holder casing structure |
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