CN116753802A - Thread go-no-go gauge detection device - Google Patents

Thread go-no-go gauge detection device Download PDF

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Publication number
CN116753802A
CN116753802A CN202310628020.2A CN202310628020A CN116753802A CN 116753802 A CN116753802 A CN 116753802A CN 202310628020 A CN202310628020 A CN 202310628020A CN 116753802 A CN116753802 A CN 116753802A
Authority
CN
China
Prior art keywords
floating
rotary cylinder
gauge
thread
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310628020.2A
Other languages
Chinese (zh)
Inventor
韩奉林
熊晃
崔思岚
孙华
赵海鸣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WEIYUAN TECHNOLOGY CO LTD
Central South University
Original Assignee
WEIYUAN TECHNOLOGY CO LTD
Central South University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WEIYUAN TECHNOLOGY CO LTD, Central South University filed Critical WEIYUAN TECHNOLOGY CO LTD
Priority to CN202310628020.2A priority Critical patent/CN116753802A/en
Publication of CN116753802A publication Critical patent/CN116753802A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00Measuring instruments characterised by the use of mechanical techniques
    • G01B3/46Plug gauges for internal dimensions with engaging surfaces which are at a fixed distance, although they may be preadjustable
    • G01B3/50Plug gauges for internal dimensions with engaging surfaces which are at a fixed distance, although they may be preadjustable of limit-gauge type, i.e. "go/no-go"
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00Measuring instruments characterised by the use of mechanical techniques
    • G01B3/46Plug gauges for internal dimensions with engaging surfaces which are at a fixed distance, although they may be preadjustable
    • G01B3/48Plug gauges for internal dimensions with engaging surfaces which are at a fixed distance, although they may be preadjustable for internal screw-threads
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/14Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • G01B5/16Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures between a succession of regularly spaced objects or regularly spaced apertures
    • G01B5/163Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures between a succession of regularly spaced objects or regularly spaced apertures of screw-threads
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Abstract

The application provides a detection device for a thread go-no-go gauge, and relates to the technical field of thread go-no-go gauge detection. The thread go-no-go gauge detection device comprises a mounting shell and a go-no-go gauge mechanism, wherein a rotary cylinder body and a driving mechanism for driving the rotary cylinder body to rotate are rotatably mounted in the mounting shell, a floating rotary cylinder shaft which is connected with the rotary cylinder body through a spline and can axially move relative to the rotary cylinder body is mounted in the rotary cylinder body, a feeding rotary shaft which is connected with the floating rotary cylinder shaft through the spline and can axially move relative to the floating rotary cylinder shaft is mounted in the floating rotary cylinder shaft, a first end of the feeding rotary shaft extends out of the mounting shell and is connected with the go-no-go gauge mechanism, a feeding rotary shaft sleeve is provided with a feeding reset spring, and the floating rotary cylinder shaft sleeve is provided with an axial floating spring. Based on the technical scheme of the application, the hard contact between the go-no-go gauge and the threaded end part of the threaded piece to be tested can be avoided, and the thread detection precision is improved.

Description

Thread go-no-go gauge detection device
Technical Field
The application relates to the technical field of thread go-no-go gauge detection, in particular to a thread go-no-go gauge detection device.
Background
Threads are a widely used connection mode in mechanical equipment and occupy a very important position. Various parameters of the threads directly influence the performance of the mechanical equipment, so that the thread detection before the mechanical equipment is put into use is particularly important. The go-no-go gauge detection method has the advantages of low cost, simple detection mode, convenience for visual evaluation of thread quality and the like, and becomes a detection method with wider application. At present, automatic control is often used for detecting the thread go-no-go gauge so as to improve detection efficiency, wherein a thread go-no-go gauge detection device becomes a key part of the technology.
When the existing thread go-no-go gauge detection device is used for detecting, firstly, a threaded piece to be detected is fixedly placed, then the thread go-no-go gauge detection device is driven to move to the position where the go-no-go gauge abuts against the threaded end portion of the threaded piece to be detected, and finally, the go-no-go gauge is driven to rotate so as to detect threads of the threaded piece to be detected. Because the drive screw thread leads to no-go gage detection device and removes, the difficult dynamics of controlling the contact of the screw thread tip of leading to no-go gage and screw thread spare that awaits measuring, the screw thread tip hard contact of leading to no-go gage and screw thread spare that awaits measuring influences screw thread detection precision.
Disclosure of Invention
Aiming at the problems in the prior art, the application provides a thread go-no-go gauge detection device which can avoid the problems that the thread detection precision is affected due to hard contact between a go-no-go gauge and the thread end part of a to-be-detected threaded piece when the thread go-no-go gauge detection device is driven to move.
The application provides a thread go-no-go gauge detection device, which comprises a mounting shell and a go-no-go gauge mechanism, wherein a rotary cylinder body and a driving mechanism for driving the rotary cylinder body to rotate are rotatably mounted in the mounting shell;
the inner side wall of the floating rotary cylinder shaft is provided with a first positioning step, the second end of the feeding rotary shaft is provided with a positioning piece, the feeding rotary shaft sleeve is provided with a feeding reset spring, the first end of the feeding reset spring is abutted against the first positioning step, and the second end of the feeding reset spring is abutted against the positioning piece;
the outer side wall of the floating rotary cylinder shaft is provided with a second positioning step, the floating rotary cylinder shaft sleeve is provided with an axial floating spring, the first end of the axial floating spring is abutted to the second positioning step, and the second end of the axial floating spring is abutted to the rotary cylinder body.
As a further improvement of the above technical scheme:
the thread go-no-go gauge detection device is characterized in that the end part of the rotary cylinder, which is far away from the go-no-go gauge mechanism, is provided with a displacement sensor, and the displacement sensor is used for detecting the displacement of the feeding rotary shaft.
The thread go-no-go gauge detection device is characterized in that the displacement sensor is further arranged on the rotary cylinder body through a fixing piece, a limiting piece is arranged on the fixing piece, and the limiting piece can be abutted with the floating rotary cylinder shaft to limit the axial movement of the floating rotary cylinder shaft relative to the rotary cylinder body.
The thread go-no-go gauge detection device is characterized in that the installation shell is internally provided with a slip ring, the rotary cylinder body is provided with a transmission shaft, the transmission shaft penetrates through the slip ring to be connected with the driving mechanism, and the slip ring is used for outputting data information of the displacement sensor.
The thread go-no-go gauge detection device comprises a clamping jaw assembly and a parallel floating assembly coaxially connected with the clamping jaw assembly, wherein the clamping jaw assembly is used for fixing and clamping the go-no-go gauge, the parallel floating assembly is coaxially connected with an elastic coupler, the elastic coupler is coaxially connected with a connecting cylinder, a first absorbing part is arranged in the connecting cylinder, a conical centering part is arranged at the end part of a feeding rotating shaft, a second absorbing part is arranged on the conical centering part, and the second absorbing part can be absorbed with the first absorbing part so that the conical centering part is arranged at the opening of the connecting cylinder in a centering mode.
The screw thread lead-to-no-go gauge detection device, further, parallel floating assembly includes first slider and second slider, first slider with clamping jaw subassembly is along the first horizontal direction sliding connection of perpendicular to lead-to-no-go gauge axial, the second slider with first slider is along perpendicular to the second horizontal direction sliding connection of first horizontal direction, the second slider with elastic coupling connects, first slider with clamping jaw subassembly between and second slider with all be equipped with centering subassembly between the first slider.
The thread go-no-go gauge detection device comprises a clamping jaw assembly, a first sliding groove along the first horizontal direction is formed in the clamping jaw assembly, a first sliding rail which is arranged at the first end of the first floating block along the first horizontal direction and can be matched with the first sliding groove, a centering groove is formed in the central position of the first sliding groove, a mounting hole is formed in the central position of the first sliding rail, and a centering spring is mounted in the mounting hole and is abutted to the steel ball to be centered in the centering groove.
The thread go-no-go gauge detection device comprises a first slider, a second sliding groove along the second horizontal direction is formed in the second end of the first slider, a second sliding rail which is along the second horizontal direction and can be matched with the second sliding groove is arranged at the first end of the second slider, a connecting piece is arranged on the bottom surface of the second sliding groove, a limiting rod located in the mounting hole is arranged on the connecting piece, and a centering spring is sleeved on the limiting rod.
The screw thread lead to no-go gage detection device, further, clamping jaw subassembly includes the mount pad and can overlap locate on the mount pad and with mount pad screw thread fixed connection's a mounting cylinder, the mount pad with parallel floating subassembly coaxial coupling, the mount pad deviates from parallel floating subassembly's tip is equipped with and is radial three at least T shape slide rail, the T shape slide rail is slided and is equipped with centering clamping jaw, a mounting cylinder can overlap to be located on the mount pad and with mount pad screw thread fixed connection is in order to drive centering clamping jaw is followed T shape slide rail centripetal motion is in order to centre gripping lead to no-go gage.
The thread go-no-go gauge detection device is characterized in that the T-shaped sliding rail is further provided with an elastic piece, and the elastic piece is used for driving the centering clamping jaw to centrifugally move along the T-shaped sliding rail so as to release the go-no-go gauge.
The above-described features may be combined in various suitable ways or replaced by equivalent features as long as the object of the present application can be achieved.
Compared with the prior art, the thread go-no-go gauge detection device provided by the application has at least the following beneficial effects: when the screw thread of the screw thread piece to be detected needs to be detected, the screw thread piece to be detected is fixedly placed at first, and then the screw thread go-no-go gauge detection device is driven to move to the position where the go-no-go gauge mechanism is abutted against the screw thread end of the screw thread piece to be detected.
In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
The application will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
fig. 1 shows a schematic structural diagram of a device for detecting thread go-no-go gauges according to an embodiment of the present application;
FIG. 2 shows an enlarged view of region A of FIG. 1;
FIG. 3 shows an enlarged view of region B of FIG. 1;
FIG. 4 shows an exploded view of a parallel floating assembly of a threaded go-no-go gauge detection device provided by an embodiment of the present application;
fig. 5 shows an exploded view of a jaw assembly of a screw thread go-no-go gauge detection device according to an embodiment of the present application.
In the drawings, like parts are designated with like reference numerals. The figures are not to scale.
Reference numerals:
100-thread go-no-go gauge detection device, 110-mounting housing, 111-rotating cylinder, 112-driving mechanism, 113-floating rotating cylinder shaft, 114-feeding rotating shaft, 115-first positioning step, 116-positioning piece, 117-feeding return spring, 118-second positioning step, 119-axial floating spring, 120-displacement sensor, 121-fixing piece, 122-stopper, 123-slip ring, 124-transmission shaft, 125-conical centering piece, 126-second absorbing piece, 127-servo motor, 128-decelerator, 129-coupling, 130-go-no-go gauge mechanism, 131-elastic coupling, 132-connecting piece, 133-first absorbing piece, 134-first slider, 135-second slider, 136-first slide, 137-first slide rail, 138-centering groove, 139-centering spring, 140-steel ball, 141-second slide rail, 142-second slide rail, 143-connecting piece, 144-stopper, 145-mounting seat, 146-mounting barrel, 147-T-shaped slide rail, 148-centering piece, 149-elastic clamping jaw.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The application will be further described with reference to the accompanying drawings.
The embodiment of the application provides a thread go-no-go gauge detection device 100, which can avoid the problem that the thread detection precision is affected by hard contact between a go-no-go gauge and the thread end of a to-be-detected threaded piece when the thread go-no-go gauge detection device 100 is driven to move.
Referring to fig. 1 and 2, in the embodiment of the application, a screw thread go-no-go gauge detection device 100 includes a mounting housing 110 and a go-no-go gauge mechanism 130, a rotary cylinder 111 and a driving mechanism 112 for driving the rotary cylinder 111 to rotate are rotatably mounted in the mounting housing 110, a floating rotary cylinder shaft 113 which is connected with the rotary cylinder 111 through a spline and can move axially relative to the rotary cylinder 111 is mounted in the rotary cylinder 111, a feeding rotary shaft 114 which is connected with the floating rotary cylinder shaft 113 through a spline and can move axially relative to the floating rotary cylinder shaft 113 is mounted in the floating rotary cylinder shaft 113, and a first end of the feeding rotary shaft 114 extends out of the mounting housing 110 and is connected with the go-no-go gauge mechanism 130.
The inner side wall of the floating rotary cylinder shaft 113 is provided with a first positioning step 115, a second end of the feeding rotary shaft 114 is provided with a positioning piece 116, the feeding rotary shaft 114 is sleeved with a feeding reset spring 117, the first end of the feeding reset spring 117 is abutted with the first positioning step 115, and the second end of the feeding reset spring 117 is abutted with the positioning piece 116; the outer side wall of the floating rotary cylinder shaft 113 is provided with a second positioning step 118, the floating rotary cylinder shaft 113 is sleeved with an axial floating spring 119, a first end of the axial floating spring 119 is abutted against the second positioning step 118, and a second end of the axial floating spring 119 is abutted against the rotary cylinder 111.
When the screw thread of the screw thread to be detected needs to be detected, the screw thread to be detected is fixedly placed at first, and then the screw thread go-no-go gauge detection device 100 is driven to move to the position where the go-no-go gauge mechanism 130 abuts against the screw thread end of the screw thread to be detected, because the floating rotary cylinder shaft 113 which is connected with the rotary cylinder 111 through the spline and can axially move relative to the rotary cylinder 111 is installed in the rotary cylinder 111, and the floating rotary cylinder shaft 113 is sleeved with the axial floating spring 119, when the go-no-go gauge mechanism 130 abuts against the screw thread end of the screw thread to be detected, the axial floating spring 119 can be compressed by the floating rotary cylinder shaft 113 to axially move relative to the rotary cylinder 111 according to the need, so that hard contact between the go-no-go gauge and the screw thread end of the screw thread to be detected is avoided, and screw thread detection precision is improved.
Referring to fig. 1 and 2, a displacement sensor 120 is mounted at an end of a rotary cylinder 111 away from a go-no-go gauge mechanism 130, and the displacement sensor 120 is used for detecting a displacement of a feeding rotary shaft 114. After the go-no-go gauge mechanism 130 is abutted against the threaded end of the threaded member to be tested, the driving mechanism 112 drives the rotary cylinder 111 to rotate, the floating rotary cylinder shaft 113 and the feeding rotary shaft 114 rotate along with the rotary cylinder, the feeding rotary shaft 114 compresses the feeding return spring 117 to move axially relative to the floating rotary cylinder shaft 113, the go-no-go gauge mechanism 130 is screwed into the threads of the threaded member to be tested to detect the threads of the threaded member to be tested, and the displacement sensor 120 detects the displacement of the feeding rotary shaft 114, namely the screwing quantity of the go-no-go gauge mechanism 130.
In the present embodiment, the displacement sensor 120 is mounted on the rotary cylinder 111 through a fixing member 121, and a limiting member 122 is mounted on the fixing member 121, and the limiting member 122 can abut against the floating rotary cylinder shaft 113 to limit the axial movement of the floating rotary cylinder shaft 113 relative to the rotary cylinder 111. A slip ring 123 is also installed in the installation housing 110, the rotation cylinder 111 is provided with a transmission shaft 124, the transmission shaft 124 passes through the slip ring 123 to be connected with the driving mechanism 112, and the slip ring 123 is used for outputting data information of the displacement sensor 120.
In the present embodiment, the driving mechanism 112 includes a servo motor 127, a speed reducer 128, and a coupling 129, the output shaft of the servo motor 127 is connected to the speed reducer 128, and the speed reducer 128 is connected to the transmission shaft 124 of the rotary cylinder 111 through the coupling 129. The displacement sensor 120 can detect the effective length of the thread, provides more reference data for thread detection, feeds back real-time torque data through the servo motor 127, increases the torque value when the go-no-go gauge cannot pass, exceeds a preset value, controls the servo motor to stop running, can effectively judge whether the thread is qualified, and simultaneously prevents the thread and detection equipment from being damaged due to overlarge torque.
In the screw thread go-no-go gauge detection device 100 provided by the embodiment of the application, further, referring to fig. 3, the go-no-go gauge mechanism 130 includes a clamping jaw assembly and a parallel floating assembly coaxially connected with the clamping jaw assembly, the clamping jaw assembly is used for fixing and clamping the go-no-go gauge, the parallel floating assembly is coaxially connected with an elastic coupling 131, the elastic coupling 131 is coaxially connected with a connecting barrel 132, a first absorbing member 133 is arranged in the connecting barrel 132, a conical centering member 125 is arranged at the end of the feeding rotation shaft 114, a second absorbing member 126 is mounted on the conical centering member 125, and the second absorbing member 126 can absorb the first absorbing member 133 to make the conical centering member 125 mounted at the opening of the connecting barrel 132 in a centering manner.
The elastic coupling 131 is used for axial angle floating of the go-no-go gauge to compensate for inclination angle offset of the thread go-no-go gauge axis and the thread axis to be detected, which is non-parallel. In this embodiment, the second absorbing member 126 is an electromagnet, and when the go-no-go gauge mechanism 130 needs to be replaced, the electromagnet is de-energized, and the second absorbing member 126 is separated from the first absorbing member 133, so that the conical centering member 125 is separated from the connecting barrel 132; after the replacement is completed, the electromagnet is powered, the second absorbing member 126 is absorbed by the first absorbing member 133, and the conical centering member 125 is installed at the opening of the connecting cylinder 132 in a centering manner. The structure is convenient for replacing the go-no-go gauge mechanism 130, and is convenient for centering installation of the go-no-go gauge mechanism 130, and the threaded go-no-go gauge is simple, quick and good in centering, and is suitable for being applied to automatic detection.
Referring to fig. 4, a parallel floating assembly includes a first floating block 134 and a second floating block 135, the first floating block 134 is slidably connected with a clamping jaw assembly along a first horizontal direction perpendicular to an axial direction of the go-no-go gauge, the second floating block 135 is slidably connected with the first floating block 134 along a second horizontal direction perpendicular to the first horizontal direction, the second floating block 135 is connected with an elastic coupling 131, and centering assemblies are respectively arranged between the first floating block 134 and the clamping jaw assembly and between the second floating block 135 and the first floating block 134.
The first floating block 134 is slidably connected with the clamping jaw assembly along a first horizontal direction perpendicular to the axial direction of the go-no-go gauge, the second floating block 135 is slidably connected with the first floating block 134 along a second horizontal direction perpendicular to the first horizontal direction, the structure can enable the go-no-go gauge to float on a horizontal plane perpendicular to the axial direction, and the centering assembly can enable the go-no-go gauge to be centered and reset.
Specifically, a first sliding groove 136 along a first horizontal direction is formed in the clamping jaw assembly, a first sliding rail 137 which is along the first horizontal direction and can be matched with the first sliding groove 136 is arranged at the first end of the first floating block 134, a centering groove 138 is formed in the center position of the first sliding groove 136, a mounting hole is formed in the center position of the first sliding rail 137, a centering spring 139 is mounted in the mounting hole, and the centering spring 139 abuts against the steel ball 140 to be centered in the centering groove 138. The second end of first slider 134 has seted up along the second spout 141 of second horizontal direction, the first end of second slider 135 is equipped with along second horizontal direction and can with the second slide rail 142 of second spout 141 complex, the bottom surface of second spout 141 is equipped with connecting piece 143, be equipped with the gag lever post 144 that is arranged in the mounting hole on the connecting piece 143, centering spring 139 cover is located on gag lever post 144, gag lever post 144 is used for limiting the axial displacement of steel ball 140 for steel ball 140 is spacing in centering groove 138 all the time, thereby prevent mount pad 145 from sliding out from first slide rail 137. The centering spring 139 is adopted to push the steel ball 140 to squeeze in the centering groove 138 to finish the reset centering, thereby ensuring the centering reliability and precision of the parallel floating assembly and improving the precision of thread detection.
Referring to fig. 5, the clamping jaw assembly includes a mounting seat 145 and a mounting cylinder 146 sleeved on the mounting seat 145 and fixedly connected with the mounting seat 145 by screw threads, the mounting seat 145 is coaxially connected with the parallel floating assembly, at least three radial T-shaped sliding rails 147 are arranged at the end of the mounting seat 145, which is away from the parallel floating assembly, a centering clamping jaw 148 is slidingly arranged on the T-shaped sliding rails 147, and the mounting cylinder 146 can be sleeved on the mounting seat 145 and fixedly connected with the mounting seat 145 by screw threads to drive the centering clamping jaw 148 to centripetally move along the T-shaped sliding rails 147 so as to clamp the go-no-go gauge. The T-shaped slide rail 147 is further provided with an elastic member 149, and the elastic member 149 is used for driving the centering clamping jaw 148 to centrifugally move along the T-shaped slide rail 147 to release the go-no-go gauge.
In this embodiment, the upper end of the centering jaw 148 is provided with an inclined surface, and an inclined block capable of being matched with the inclined surface is also provided in the mounting barrel 146, when the mounting barrel 146 is sleeved on the mounting seat 145 and is fixedly connected with the mounting seat 145 by screw threads, the inclined block is matched with the inclined surface to drive the centering jaw 148 to centripetally move along the T-shaped sliding rail 147 so as to clamp the go-no-go gauge, so that the radial displacement amount of each centering jaw 148 is ensured to be the same, and the centering degree when different go-no-go gauges are mounted is ensured. When the mounting cylinder 146 is removed from the mounting block 145, the spring 149 may drive the centering jaws 148 to move centrifugally along the T-shaped slide tracks 147 to release the go-no-go gauge.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Although the application herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present application. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present application as defined by the appended claims. It should be understood that the different dependent claims and the features described herein may be combined in ways other than as described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other described embodiments.

Claims (10)

1. The thread go-no-go gauge detection device is characterized by comprising a mounting shell and a go-no-go gauge mechanism, wherein a rotary cylinder body and a driving mechanism for driving the rotary cylinder body to rotate are rotatably mounted in the mounting shell, a floating rotary cylinder shaft which is connected with the rotary cylinder body through a spline and can move axially relative to the rotary cylinder body is mounted in the rotary cylinder body, a feeding rotary shaft which is connected with the floating rotary cylinder shaft through the spline and can move axially relative to the floating rotary cylinder shaft is mounted in the floating rotary cylinder shaft, and a first end of the feeding rotary shaft stretches out of the mounting shell and is connected with the go-no-go gauge mechanism;
the inner side wall of the floating rotary cylinder shaft is provided with a first positioning step, the second end of the feeding rotary shaft is provided with a positioning piece, the feeding rotary shaft sleeve is provided with a feeding reset spring, the first end of the feeding reset spring is abutted against the first positioning step, and the second end of the feeding reset spring is abutted against the positioning piece;
the outer side wall of the floating rotary cylinder shaft is provided with a second positioning step, the floating rotary cylinder shaft sleeve is provided with an axial floating spring, the first end of the axial floating spring is abutted to the second positioning step, and the second end of the axial floating spring is abutted to the rotary cylinder body.
2. The thread go-no-go gauge detecting device according to claim 1, wherein a displacement sensor for detecting a displacement amount of the feed rotation shaft is mounted at an end of the rotation cylinder away from the go-no-go gauge mechanism.
3. The thread go-no-go gauge detection device according to claim 2, wherein the displacement sensor is mounted on the rotary cylinder body through a fixing piece, and a limiting piece is mounted on the fixing piece, and the limiting piece can be abutted with the floating rotary cylinder shaft to limit the axial movement of the floating rotary cylinder shaft relative to the rotary cylinder body.
4. The thread go-no-go gauge detection device according to claim 2, wherein a slip ring is further installed in the installation housing, the rotary cylinder is provided with a transmission shaft, the transmission shaft penetrates through the slip ring to be connected with the driving mechanism, and the slip ring is used for outputting data information of the displacement sensor.
5. The thread go-no-go gauge detection device according to claim 1, wherein the go-no-go gauge mechanism comprises a clamping jaw assembly and a parallel floating assembly coaxially connected with the clamping jaw assembly, the clamping jaw assembly is used for fixedly clamping the go-no-go gauge, the parallel floating assembly is coaxially connected with an elastic coupling, the elastic coupling is coaxially connected with a connecting barrel, a first absorbing member is arranged in the connecting barrel, a conical centering member is arranged at the end part of the feeding rotating shaft, a second absorbing member is arranged on the conical centering member, and the second absorbing member can be absorbed with the first absorbing member so as to enable the conical centering member to be arranged at an opening of the connecting barrel in a centering manner.
6. The thread go-no-go gauge inspection device according to claim 5, wherein the parallel floating assembly comprises a first floating block and a second floating block, the first floating block is slidingly connected with the clamping jaw assembly along a first horizontal direction perpendicular to the axial direction of the go-no-go gauge, the second floating block is slidingly connected with the first floating block along a second horizontal direction perpendicular to the first horizontal direction, the second floating block is connected with the elastic coupling, and a centering assembly is arranged between the first floating block and the clamping jaw assembly and between the second floating block and the first floating block.
7. The thread go-no-go gauge detection device according to claim 6, wherein a first sliding groove along the first horizontal direction is formed in the clamping jaw assembly, a first sliding rail which is arranged at the first end of the first floating block along the first horizontal direction and can be matched with the first sliding groove is arranged at the first end of the first floating block, a centering groove is formed in the central position of the first sliding groove, a mounting hole is formed in the central position of the first sliding rail, and a centering spring is mounted in the mounting hole and abuts against the steel ball to be centered in the centering groove.
8. The thread go-no-go gauge detection device according to claim 7, wherein a second sliding groove along the second horizontal direction is formed in the second end of the first floating block, a second sliding rail which is along the second horizontal direction and can be matched with the second sliding groove is arranged at the first end of the second floating block, a connecting piece is arranged on the bottom surface of the second sliding groove, a limiting rod located in the mounting hole is arranged on the connecting piece, and the centering spring is sleeved on the limiting rod.
9. The thread go-no-go gauge detection device according to claim 5, wherein the clamping jaw assembly comprises a mounting seat and a mounting cylinder which can be sleeved on the mounting seat and is fixedly connected with the mounting seat in a thread mode, the mounting seat is coaxially connected with the parallel floating assembly, at least three radial T-shaped sliding rails are arranged at the end part, deviating from the parallel floating assembly, of the mounting seat, a centering clamping jaw is arranged on the T-shaped sliding rails in a sliding mode, and the mounting cylinder can be sleeved on the mounting seat and is fixedly connected with the mounting seat in a thread mode to drive the centering clamping jaw to move centripetally along the T-shaped sliding rails to clamp the go-no-go gauge.
10. The thread go-no-go gauge detection device according to claim 9, wherein an elastic piece is further arranged on the T-shaped sliding rail and is used for driving the centering clamping jaw to centrifugally move along the T-shaped sliding rail to release the go-no-go gauge.
CN202310628020.2A 2023-05-31 2023-05-31 Thread go-no-go gauge detection device Pending CN116753802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310628020.2A CN116753802A (en) 2023-05-31 2023-05-31 Thread go-no-go gauge detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310628020.2A CN116753802A (en) 2023-05-31 2023-05-31 Thread go-no-go gauge detection device

Publications (1)

Publication Number Publication Date
CN116753802A true CN116753802A (en) 2023-09-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310628020.2A Pending CN116753802A (en) 2023-05-31 2023-05-31 Thread go-no-go gauge detection device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117029645A (en) * 2023-10-09 2023-11-10 常州好力持五金有限公司 Coaxiality automatic detection device of hardware sleeve tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117029645A (en) * 2023-10-09 2023-11-10 常州好力持五金有限公司 Coaxiality automatic detection device of hardware sleeve tool
CN117029645B (en) * 2023-10-09 2023-12-08 常州好力持五金有限公司 Coaxiality automatic detection device of hardware sleeve tool

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