CN111637810B - Quick change device for thread connection and disconnection detection equipment - Google Patents
Quick change device for thread connection and disconnection detection equipment Download PDFInfo
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- CN111637810B CN111637810B CN202010367367.2A CN202010367367A CN111637810B CN 111637810 B CN111637810 B CN 111637810B CN 202010367367 A CN202010367367 A CN 202010367367A CN 111637810 B CN111637810 B CN 111637810B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/46—Plug gauges for internal dimensions with engaging surfaces which are at a fixed distance, although they may be preadjustable
- G01B3/50—Plug 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"
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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Abstract
A quick change device for a thread on-off detection device, comprising: the device comprises a rotary floating shaft, a locking steel ball, a locking groove, a locking sleeve driving device, a driving wheel, an elastic part, a driving belt wheel, a driving motor, a mounting seat, a fixing plate, a position detection device, a control system and a plurality of detection tools with different specifications. The quick-change device for the thread through-stop detection equipment can realize quick replacement of detection tools with different specifications through the quick-change locking mechanism, and improves the working efficiency.
Description
Technical Field
The invention relates to a quick-change device for thread on-off detection equipment, and belongs to the technical field of thread detection.
Background
When the screw thread is led to and stopped detecting, the screw thread in different apertures needs the detection head of different specifications to detect respectively, but the current screw thread leads to and stops check-out test set can not quick replacement and detect the head.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the quick-change device for the thread connecting and stopping detection equipment can realize quick replacement of detection tools with different specifications through a quick-change locking mechanism, and improves the working efficiency.
The technical scheme of the invention is as follows:
a quick change device for a thread on-off detection device, comprising: the device comprises a rotary floating shaft, a locking steel ball, a locking groove, a locking sleeve driving device, a driving wheel, an elastic part, a driving belt wheel, a driving motor, a mounting seat, a fixing plate, a position detection device, a control system and a plurality of detection tools with different specifications;
one end of the rotary floating shaft is provided with a detection tool mounting hole along the axial direction, and detection tools of different specifications are provided with detection tool connecting shafts; the detection tool connecting shaft is used for being inserted in the detection tool mounting hole, so that the rotary floating shaft is inserted in detection tools of different specifications;
the rotary floating shaft is a stepped shaft; locking steel ball mounting holes which are uniformly distributed in the circumferential direction are formed in the position, close to the end face, of the rotary floating shaft; locking steel balls are arranged in the locking steel ball mounting holes; the diameter of the locking steel ball is larger than the wall thickness of the mounting hole of the detection tool; part of the spherical surface of the locking steel ball protrudes out of the outer wall of the rotary floating shaft;
a locking groove is arranged at a position, close to the end face, of the connecting shaft of the detection tool, and the locking groove is matched with a locking steel ball mounting hole in the rotary floating shaft in position; the locking groove is used for accommodating a locking steel ball;
the rotary floating shaft is sleeved with a locking sleeve; one end of the locking sleeve is provided with a tapered hole, and the opening of the tapered hole faces one side of the detection tool;
the mounting seat is of a box body structure, two ends of the rotary floating shaft are connected with the box body wall of the mounting seat, and the rotary floating shaft and the mounting seat can only rotate relatively; the detection tool is positioned outside the mounting seat; the mounting seat is fixedly arranged on the fixing plate;
the locking sleeve driving device is fixedly arranged on the fixing plate, the locking sleeve is fixedly connected with the locking sleeve driving device, and the locking sleeve driving device is used for driving the locking sleeve to move along the axial direction of the rotary floating shaft; the locking steel ball is pressed and clamped in the locking groove by utilizing the inner wall of the conical hole, or the locking steel ball is loosened from the locking groove by reverse movement;
the elastic piece is sleeved on the rotary floating shaft and is positioned between the transmission wheel and the locking sleeve; in an initial state, the elastic piece is in a compressed state, the elastic piece is used for enabling the locking sleeve to move towards the detection tool, and the inner wall of the conical hole extrudes the locking steel ball;
the driving motor is fixedly connected with the fixing plate, and the output end of the driving motor is fixedly connected with the transmission belt wheel; the rotary floating shaft is provided with a driving wheel, and the driving wheel is connected with a driving belt wheel through a driving belt;
the mounting seat and the rotary floating shaft are provided with position detection devices which are matched with each other,
the driving motor and the position detection device are electrically connected with the control system;
the control system controls the driving motor to start or stop according to the rotation position of the rotary floating shaft detected by the position detection device.
Compared with the prior art, the invention has the beneficial effects that:
the rotary floating shaft can be quickly inserted into detection tools of different specifications, and the locking sleeve driving device drives the locking sleeve to move, so that the rotary floating shaft is fixedly connected with the detection tools of different specifications; the present invention detects the rotational position of a rotary floating shaft by using a position detecting device.
Drawings
Fig. 1 is a schematic structural view of a quick-change device of the invention;
fig. 2 is a schematic structural diagram of the quick-change device of the invention;
FIG. 3 is a front view of an embodiment of the present invention;
FIG. 4 is a schematic structural view of an embodiment of the present invention with the mounting base removed;
FIG. 5 is a sectional view taken along line A-A of FIG. 3;
FIG. 6 is a schematic view of the connection of a rotationally floating shaft to other components according to an embodiment of the invention;
FIG. 7 is a schematic illustration of the decoupling strands of a rotationally floating shaft in accordance with an embodiment of the present invention;
FIG. 8 is a schematic view of a locking sleeve according to an embodiment of the present invention;
fig. 9 is a cross-sectional view of a locking sleeve according to an embodiment of the present invention;
FIG. 10 is a schematic view of the connection of the lock sleeve actuator and the driver block according to one embodiment of the present invention;
FIG. 11 is a schematic view of a connecting shaft of a testing tool according to an embodiment of the present invention;
FIG. 12 is a schematic diagram of the overall structure of an embodiment of the present invention;
fig. 13 is a schematic overall structure diagram of an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
It should be noted that if the terms "first", "second", etc. are used in the description and claims of the present invention and in the accompanying drawings, they are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, if the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present invention, if the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. are referred to, the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
In addition, in the present invention, the terms "mounted," "disposed," "provided," "connected," "sleeved," and the like should be construed broadly if they are referred to. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The invention relates to a quick-change device for thread on-off detection equipment, which comprises: the device comprises a rotary floating shaft 100, a locking steel ball 320, a locking groove 330, a locking sleeve 340, a locking sleeve driving device 350, a transmission wheel 400, an elastic element 500, a transmission belt wheel 1200, a driving motor 1100, a mounting seat 910, a fixing plate 920, a position detection device, a control system and a plurality of detection tools with different specifications.
One end of the rotary floating shaft 100 is provided with a detection tool mounting hole 110 along the axial direction, and detection tools of different specifications are provided with detection tool connecting shafts 200; the detection tool connecting shaft 200 is used for being plugged in and unplugged from the detection tool mounting hole 110, so that the rotary floating shaft 100 is plugged in detection tools of different specifications;
the rotary floating shaft 100 is a stepped shaft; locking steel ball mounting holes 310 which are uniformly distributed in the circumferential direction are formed in the position, close to the end face, of the rotary floating shaft 100; the locking steel ball 320 is arranged in the locking steel ball mounting hole 310; the diameter of the locking steel ball 320 is larger than the wall thickness of the detection tool mounting hole 110; part of the spherical surface of the locking steel ball 320 protrudes out of the outer wall of the rotary floating shaft 100;
a locking groove 330 is arranged at a position, close to the end face, of the detection tool connecting shaft 200, and the locking groove 330 is matched with the locking steel ball mounting hole 310 on the rotary floating shaft 100 in position; the locking groove 330 is used for accommodating the locking steel ball 320;
the rotary floating shaft 100 is sleeved with a locking sleeve 340; one end of the locking sleeve 340 is provided with a tapered hole 360, and the opening of the tapered hole 360 faces one side of the detection tool;
the mounting base 910 is of a box structure, two ends of the rotary floating shaft 100 are connected with the box wall of the mounting base 910, and the rotary floating shaft 100 and the mounting base 910 can only rotate relatively; the detection tool is located outside the mount 910; the mounting base 910 is fixedly mounted on the fixing plate 920;
the locking sleeve driving device 350 is fixedly arranged on the fixing plate 920, the locking sleeve 340 is fixedly connected with the locking sleeve driving device 350, and the locking sleeve driving device 350 is used for driving the locking sleeve 340 to move along the axial direction of the rotary floating shaft 100; the locking steel ball 320 is pressed and clamped in the locking groove 330 by the inner wall of the tapered hole 360, or the locking steel ball 320 is loosened from the locking groove 330 by reverse movement, so that the detection tool can be quickly connected to the rotary floating shaft 100 or taken down from the rotary floating shaft 100 through a quick-change locking mechanism, and the quick change among the detection tools with different specifications is realized.
The elastic member 500 is sleeved on the rotary floating shaft 100, and the elastic member 500 is positioned between the transmission wheel 400 and the locking sleeve 340; in the initial state, the elastic member 500 is in a compressed state, the elastic member 500 is used for enabling the locking sleeve 340 to move towards the detection tool, and the inner wall of the tapered hole 360 presses the locking steel ball 320;
the driving motor 1100 is fixedly connected with the fixing plate 920, and the output end of the driving motor 1100 is fixedly connected with the driving belt pulley 1200; a transmission wheel 400 is arranged on the rotary floating shaft 100, and the transmission wheel 400 is connected with a transmission belt wheel 1200 through a transmission belt;
the mounting seat 910 and the rotary floating shaft 100 are provided with position detecting means for cooperation,
the driving motor 1100 and the position detection device are electrically connected with the control system;
the control system controls the driving motor 1100 to start or stop according to the rotational position of the rotary floating shaft 100 detected by the position detecting means.
The position detection device includes: an opto-electronic switch 710 and an opto-electronic stop 720. The other end of the rotary floating shaft 100 is fixedly connected with an optoelectronic stopper 720, an optoelectronic switch 710 is arranged on a mounting seat 910, and the optoelectronic switch 710 is electrically connected with a control system.
The quick change device for the thread on-off detection equipment further comprises: an orientation pin 610 and an orientation notch 620. The orientation pin 610 is arranged on the detection tool connecting shaft 200 along the radial direction, and an orientation notch 620 corresponding to the orientation pin 610 is arranged on the end face of the rotary floating shaft 100; in the connected state, the orientation pin 610 is caught in the orientation notch 620, and the orientation pin 610 and the orientation notch 620 are used to restrict the rotation between the rotation floating shaft 100 and the inspection tool connecting shaft 200.
The locking sleeve driving means 350 may be any one of a pneumatic driving means, a hydraulic driving means, or an electric driving means. The elastic member 500 is a spring.
Examples
As shown in fig. 1 to 5, includes: the device comprises a rotary floating shaft 100, a plurality of detection tools with different specifications and a quick-change locking mechanism.
A detection tool mounting hole 110 is provided in the bottom of the rotary floating shaft 100 in the axial direction.
A detection tool connection shaft 200 is provided on each detection tool. The inspection tool connecting shaft 200 is insertably inserted into the inspection tool mounting hole 110 so that the inspection tool can be connected to the rotary floating shaft 100.
Wherein, quick change locking mechanism includes: a locking steel ball mounting hole 310, a locking steel ball 320, a locking groove 330, a locking sleeve 340 and a locking sleeve driving device 350.
The locking steel ball mounting hole 310 is provided on the rotary floating shaft 100 in such a manner as to penetrate the hole wall of the detection tool mounting hole 110. The locking steel ball 320 is installed in the locking steel ball installation hole 310. And the diameter of the locking steel ball 320 is greater than the wall thickness of the detection tool mounting hole 110. The locking groove 330 is provided on the inspection tool coupling shaft 200. The locking sleeve 340 is sleeved on the rotary floating shaft 100. And a tapered hole 360 is provided in the locking sleeve 340 in the axial direction. The locking sleeve driving device 350 is connected with the locking sleeve 340 and used for driving the locking sleeve 340 to move along the axial direction of the rotary floating shaft 100, so that the tapered hole 360 can push the locking steel ball 320 to be clamped in the locking groove 330 or loosened from the locking groove 330, and the detection tool can be quickly connected to the rotary floating shaft 100 or taken down from the rotary floating shaft 100 through the quick-change locking mechanism, thereby realizing the quick change of the detection tools with different specifications.
For example, the locking sleeve driving device 350 may adopt a pneumatic driving device, a hydraulic driving device or an electric driving device. For example, the locking sleeve driving device 350 may be an air cylinder, a hydraulic cylinder, a linear electric cylinder, or the like; for another example, the locking sleeve driving device 350 may be a pneumatic telescopic rod, a hydraulic telescopic rod, or an electric telescopic rod. In this embodiment, the locking sleeve driving device 350 is an air cylinder.
In some embodiments, the locking sleeve actuation device 350 is coupled to the locking sleeve 340 via a dial 810.
Illustratively, as shown in fig. 5, 8, 9 and 10, the shifting block 810 may have a U-shaped structure, and a U-shaped fork 811 is formed thereon. An annular groove 341 is circumferentially provided on the locking sleeve 340. In the connection state, the U-shaped fork 811 on the shifting block 810 is forked on the annular groove 341 on the locking sleeve 340, the shifting block 810 is connected with the locking sleeve driving device 350, the shifting block 810 moves up and down under the driving of the locking sleeve driving device 350, and the U-shaped fork 811 contacts with the upper and lower groove walls of the annular groove 341, so that the locking sleeve 340 is driven to move up and down.
Furthermore, the quick-change device for the thread on-off detection equipment has a more compact structure and saves space. A connecting assembly is also provided between the locking sleeve driving device 350 and the dial block 810. As shown in fig. 10, the connection assembly may include an L-shaped connection plate 820 and a mounting block 830. The L-shaped connecting plate 820 is disposed upside down, the horizontal edge thereof is connected to the telescopic shaft 351 of the locking sleeve driving device 350, the vertical edge is located at the right side of the locking sleeve driving device 350, and the shifting block 810 is vertically connected to the vertical edge through the mounting block 830.
Further, in some embodiments, as shown in fig. 3 and 5, the quick-change device for a thread on/off detection apparatus further includes a mounting seat 910. The rotary floating shaft 100 is mounted on a mount 910.
Illustratively, as shown in fig. 5, the mount 910 is a box structure in which the rotary floating shaft 100 is mounted.
Further, in some embodiments, as shown in fig. 3 and 5, the quick-change device for a thread stop detection apparatus further includes a fixing plate 920. The mounting seat 910 and the locking sleeve driving device 350 are mounted on the fixing plate 920.
In some embodiments, as shown in FIG. 4, a drive wheel 400 is provided on the rotary floating shaft 100. Illustratively, the transmission wheel 400 may be a transmission pulley, a transmission sprocket, or a transmission gear. By providing the transmission wheel 400 on the rotary floating shaft 100, in the installation state, the transmission wheel 400 can be in transmission connection with the external driving motor 1100 through the transmission belt wheel 1200, the transmission chain or another transmission gear, so that the rotary floating shaft 100 can rotate under the driving of the external driving motor 1100. The external drive motor 1100 is connected to the control system of the screw on/off detection apparatus. In this embodiment, as shown in fig. 12 and 13, the driving wheel 400 is a driving pulley, and in an installation state, it is connected to another driving pulley connected to the external driving motor 1100 through a driving belt (not shown in the figure), and the external driving motor 1100 drives the rotation floating shaft 100 to rotate through a transmission mechanism composed of the driving pulley and the driving belt.
In some embodiments, as shown in fig. 4, 5 and 6, an elastic member 500 is further sleeved on the rotation floating shaft 100.
Illustratively, the elastic member 500 may be a spring. In the installed state, one end of the elastic member 500 is connected to the rotary floating shaft 100, and the other end is in contact with the locking sleeve 340, so that the elastic member 500 is compressed or stretched when the locking sleeve 340 moves up and down, thereby providing a force for restoring the locking sleeve 340.
For example, as shown in fig. 5, 6 and 7, the rotary floating shaft 100 may be a stepped shaft, the elastic member 500 may be a spring, and the spring may be sleeved on the stepped shaft, and the upper end of the spring may contact with a step on the stepped shaft, and the lower end of the spring may contact with the locking sleeve 340. When the locking sleeve 340 is moving up and down, the spring is compressed or stretched, thereby providing a force to reset the locking sleeve 340.
For another example, a driving wheel 400 is provided on the rotary floating shaft 100, and an elastic member 500 is installed between the driving wheel 400 and the locking sleeve 340. So that the elastic member 500 is compressed or stretched when the locking sleeve 340 moves up and down, thereby providing a force for restoring the locking sleeve 340.
Further, in some embodiments, the quick-change device for the thread on-off detection device further comprises a position detection device.
For example, as shown in fig. 2 and 5, the position detecting device may include: an opto-electronic switch 710 and an opto-electronic stop 720. In the installed state, the photoelectric switch 710 may be installed on the installation base 910 and connected to a control system of the screw on/off detection apparatus, and the photoelectric stopper 720 may be installed on the rotation floating shaft 100. When the rotary floating shaft 100 rotates, the photoelectric stopper 720 can be driven to rotate together, and the optical path of the photoelectric switch 710 is blocked or connected through the photoelectric switch 710, so as to generate a signal. The control system of the screw on/off detection apparatus determines the position of rotation of the rotary floating shaft 100 based on the signal, and controls the external drive motor 1100 to start or stop.
Further, in order to prevent the locking force of the quick-change locking mechanism from being insufficient, when the detection tool is driven by the floating rotary shaft 100 to rotate, the detection tool does not rotate along with the floating rotary shaft 100, and the quick-change device for the thread on-off detection equipment further comprises an orientation pin 610 and an orientation notch 620. The orientation pin 610 is radially disposed on the inspection tool connecting shaft 200, as shown in fig. 11. An orientation notch 620 is formed on the rotary floating shaft 100 at the end to which one end of the inspection tool connecting shaft 200 is connected, as shown in fig. 7. In the connected state, the orientation pin 610 is clamped in the orientation notch 620, as shown in fig. 3, so that the rotation floating shaft 100 drives the detection tool to rotate more firmly and stably.
When the detection tool is connected to the rotary floating shaft 100, the orientation pin 610 and the orientation notch 620 may determine the relative position according to the position of the rotary floating shaft 100 detected by the position detection means, so that the orientation pin 610 is caught in the orientation notch 620. For example, the photoelectric stopper 720 is rotated into the photoelectric switch 710 to make the light path of the photoelectric switch 710 be at the initial position when it is blocked, and at this time, the orientation pin 610 corresponds to the orientation notch 620, and the orientation pin 610 can be snapped into the orientation notch 620. Therefore, the detection tools can be quickly connected to the rotary floating shaft 100 or taken down from the rotary floating shaft 100 through the quick-change locking mechanism, and the quick change among the detection tools with different specifications is further realized.
It is noted that all of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of mutually exclusive features and/or steps.
The quick-change device for a thread on-off detection device according to the present invention is further described in a specific embodiment with reference to the accompanying drawings.
As shown in fig. 1 to 11, a quick-change device for a thread-on-and-off detection device includes a rotary floating shaft 100, a plurality of detection tools of different specifications, a quick-change locking mechanism, a mounting seat 910, a fixing plate 920, and a position detection device.
A detection tool connection shaft 200 is provided on each detection tool. The detection tool is a thread on-off detection head.
Quick change locking mechanism includes: a locking steel ball mounting hole 310, a locking steel ball 320, a locking groove 330, a locking sleeve 340 and a locking sleeve driving device 350. The locking sleeve driving means 350 is a cylinder.
As shown in fig. 5, the mount 910 is a case structure in which the rotary floating shaft 100 is mounted. The mounting seat 910 and the locking sleeve driving device 350 are mounted on the fixing plate 920.
A detection tool mounting hole 110 is provided in the bottom of the rotary floating shaft 100 in the axial direction. The inspection tool connecting shaft 200 is insertably inserted into the inspection tool mounting hole 110 so that the inspection tool can be connected to the rotary floating shaft 100.
The locking steel ball mounting hole 310 is provided on the rotary floating shaft 100 in such a manner as to penetrate the hole wall of the detection tool mounting hole 110. The locking steel ball 320 is installed in the locking steel ball installation hole 310. And the diameter of the locking steel ball 320 is greater than the wall thickness of the detection tool mounting hole 110. The locking groove 330 is provided on the inspection tool coupling shaft 200. The locking sleeve 340 is sleeved on the rotary floating shaft 100. And a tapered hole 360 is provided in the locking sleeve 340 in the axial direction. The tapered hole 360 includes: a tapered section 361 and a straight bore section 362. The straight hole section 362 is sleeved on the rotary floating shaft 100, the tapered section 361 is positioned outside the locking steel ball mounting hole 310 and the locking steel ball 320, the locking sleeve 340 moves up and down, and the aperture of the tapered section 361 outside the locking steel ball 320 changes, so that the locking steel ball 320 is pressed inwards to be locked with the locking groove 330, or the locking steel ball 320 is loosened from the locking groove 330.
The locking sleeve actuator 350 is coupled to the locking sleeve 340 by a paddle 810. As shown in fig. 5, 8, 9 and 10, the shifting block 810 may be U-shaped and has a U-shaped fork 811 formed thereon. An annular groove 341 is circumferentially provided on the locking sleeve 340. In the connection state, the U-shaped fork 811 on the shifting block 810 is forked on the annular groove 341 on the locking sleeve 340, the shifting block 810 is connected with the locking sleeve driving device 350, the shifting block 810 moves up and down under the driving of the locking sleeve driving device 350, and the U-shaped fork 811 contacts with the upper and lower groove walls of the annular groove 341, so that the locking sleeve 340 is driven to move up and down. Furthermore, the quick-change device for the thread on-off detection equipment has a more compact structure and saves space. A connecting assembly is also provided between the locking sleeve driving device 350 and the dial block 810. As shown in fig. 10, the connection assembly may include an L-shaped connection plate 820 and a mounting block 830. The L-shaped connecting plate 820 is disposed upside down, the horizontal edge thereof is connected to the telescopic shaft 351 of the locking sleeve driving device 350, the vertical edge is located at the right side of the locking sleeve driving device 350, and the shifting block 810 is vertically connected to the vertical edge through the mounting block 830.
The locking sleeve driving device 350 is used for driving the locking sleeve 340 to move along the axial direction of the rotary floating shaft 100, so that the tapered hole 360 can push the locking steel ball 320 to be clamped in the locking groove 330 or loosened from the locking groove 330, and therefore, the detection tool can be quickly connected to the rotary floating shaft 100 or taken down from the rotary floating shaft 100 through the quick-change locking mechanism, and quick replacement among detection tools with different specifications is further achieved.
The orientation pin 610 is radially disposed on the inspection tool connecting shaft 200, as shown in fig. 11. An orientation notch 620 is formed on the rotary floating shaft 100 at the end to which one end of the inspection tool connecting shaft 200 is connected, as shown in fig. 7. In the connected state, the orientation pin 610 is clamped in the orientation notch 620, as shown in fig. 3, so that the rotation floating shaft 100 drives the detection tool to rotate more firmly and stably.
A transmission wheel 400 is also provided on the rotary floating shaft 100. As shown in fig. 12 and 13, the driving wheel 400 is a driving pulley, and in the installed state, it is connected to another driving pulley connected to the external driving motor 1100 through a driving belt (not shown), and the external driving motor 1100 drives the rotary floating shaft 100 to rotate through a transmission mechanism formed by the driving pulley and the driving belt. The external drive motor 1100 is connected to the control system of the screw on/off detection apparatus.
An elastic member 500 is provided on the rotation floating shaft 100. A spring is installed between the driving wheel 400 and the locking sleeve 340 such that the spring is compressed or extended when the locking sleeve 340 moves up and down, thereby providing a force for restoring the locking sleeve 340. In addition, in the initial state, the spring is in a compressed state, which can apply an acting force to the locking sleeve 340, so that the locking sleeve 340 compresses the locking steel ball 320 inwards, and the locking steel ball 320 is more firmly clamped and matched with the locking groove 330.
The position detection device includes: an opto-electronic switch 710 and an opto-electronic stop 720. In the installed state, the photoelectric switch 710 may be installed on the installation base 910 and connected to a control system of the screw on/off detection apparatus, and the photoelectric stopper 720 may be installed on the rotation floating shaft 100. When the rotary floating shaft 100 rotates, the photoelectric stopper 720 can be driven to rotate together, and the optical path of the photoelectric switch 710 is blocked or connected through the photoelectric switch 710, so as to generate a signal. The control system of the screw on/off detection apparatus determines the position of rotation of the rotary floating shaft 100 based on the signal, and controls the external drive motor 1100 to start or stop.
The working process of the quick-change device for the thread on-off detection equipment of the embodiment is as follows:
when mounting the inspection tool on the rotary floating shaft 110:
when the rotary floating shaft 100 rotates to the initial position, a locking sleeve driving device 350 in the quick-change locking mechanism drives the locking sleeve 340 to move upwards, an inner tapered hole 360 in the locking sleeve 340 moves upwards, the aperture of the tapered hole on the outer side of the locking steel ball 320 is enlarged, and the locking steel ball 320 can move in the locking steel ball mounting hole 310;
the detection tool clamping device clamps the detection tool and moves below the rotary floating shaft 100, the orientation pin 610 is aligned with the orientation notch 620, the detection tool connecting shaft 200 of the detection tool is inserted into the detection tool mounting hole 110 at the bottom of the rotary floating shaft 100, and the orientation pin 610 is clamped into the orientation notch 620; the locking sleeve 340 moves downwards, the aperture of the tapered hole at the outer side of the locking steel ball 320 is reduced, the locking steel ball 320 is pushed inwards and is clamped with the locking groove 330 on the detection tool connecting shaft 200, so that the detection tool connecting shaft 200 is locked in the detection tool mounting hole 110, and the mounting of the detection tool is completed;
when the inspection tool is removed from the rotary floating shaft 110:
when the rotary floating shaft 100 rotates to the initial position, a locking sleeve driving device 350 in the quick-change locking mechanism drives the locking sleeve 340 to move upwards, an inner tapered hole 360 in the locking sleeve 340 moves upwards, the aperture of the tapered hole outside the locking steel ball 320 is enlarged, and the locking steel ball 320 can move outwards in the locking steel ball mounting hole 310; the sensing tool coupling shaft 200 is released from the sensing tool mounting hole 110;
the inspection tool clamping device clamps the inspection tool and then pulls out the inspection tool connecting shaft 200 from the inspection tool mounting hole 110.
The quick-change device for the thread through-stop detection equipment provided by the embodiment of the invention can realize quick replacement of detection tools with different specifications through the quick-change locking mechanism, and improves the working efficiency.
It should be noted that the above-mentioned embodiments are exemplary, and that those skilled in the art, having benefit of the present disclosure, may devise various arrangements that are within the scope of the present disclosure and that fall within the scope of the invention. It should be understood by those skilled in the art that the present specification and figures are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.
Those skilled in the art will appreciate that the details of the invention not described in detail in the specification are within the skill of those skilled in the art.
Claims (4)
1. A quick change device for thread go-stop detection equipment, characterized by comprising: the device comprises a rotary floating shaft (100), a locking steel ball (320), a locking groove (330), a locking sleeve (340), a locking sleeve driving device (350), a transmission wheel (400), an elastic piece (500), a transmission belt wheel (1200), a driving motor (1100), a mounting seat (910), a fixing plate (920), a position detection device, a control system and a plurality of detection tools with different specifications;
one end of the rotary floating shaft (100) is provided with a detection tool mounting hole (110) along the axial direction, and detection tools of different specifications are provided with detection tool connecting shafts (200); the detection tool connecting shaft (200) is used for being inserted into the detection tool mounting hole (110) so that the rotary floating shaft (100) can be inserted into detection tools of different specifications;
the rotary floating shaft (100) is a stepped shaft; locking steel ball mounting holes (310) which are uniformly distributed in the circumferential direction are formed in the position, close to the end face, of the rotary floating shaft (100); a locking steel ball (320) is arranged in the locking steel ball mounting hole (310); the diameter of the locking steel ball (320) is larger than the wall thickness of the detection tool mounting hole (110); part of the spherical surface of the locking steel ball (320) protrudes out of the outer wall of the rotary floating shaft (100);
a locking groove (330) is formed in the position, close to the end face, of the detection tool connecting shaft (200), and the locking groove (330) is matched with a locking steel ball mounting hole (310) in the rotary floating shaft (100) in position; the locking groove (330) is used for accommodating the locking steel ball (320);
the rotary floating shaft (100) is sleeved with a locking sleeve (340); one end of the locking sleeve (340) is provided with a tapered hole (360), and the opening of the tapered hole (360) faces one side of the detection tool;
the mounting seat (910) is of a box structure, two ends of the rotary floating shaft (100) are connected with the box wall of the mounting seat (910), and the rotary floating shaft (100) and the mounting seat (910) can only rotate relatively; the detection tool is positioned outside the mounting seat (910); the mounting seat (910) is fixedly arranged on the fixing plate (920);
the locking sleeve driving device (350) is fixedly arranged on the fixing plate (920), the locking sleeve (340) is fixedly connected with the locking sleeve driving device (350), and the locking sleeve driving device (350) is used for driving the locking sleeve (340) to move along the axial direction of the rotary floating shaft (100); the locking steel ball (320) is pressed and clamped in the locking groove (330) by utilizing the inner wall of the conical hole (360), or the locking steel ball (320) is released from the locking groove (330) by reverse movement;
the elastic piece (500) is sleeved on the rotary floating shaft (100), and the elastic piece (500) is positioned between the transmission wheel (400) and the locking sleeve (340); in an initial state, the elastic piece (500) is in a compressed state, the elastic piece (500) is used for enabling the locking sleeve (340) to move towards the detection tool, and the inner wall of the conical hole (360) extrudes the locking steel ball (320);
the driving motor (1100) is fixedly connected with the fixing plate (920), and the output end of the driving motor (1100) is fixedly connected with the transmission belt wheel (1200); a transmission wheel (400) is arranged on the rotary floating shaft (100), and the transmission wheel (400) is connected with a transmission belt wheel (1200) through a transmission belt;
the mounting seat (910) and the rotary floating shaft (100) are provided with position detection devices which are matched with each other,
the driving motor (1100) and the position detection device are electrically connected with the control system;
the control system controls the driving motor (1100) to start or stop according to the rotation position of the rotary floating shaft (100) detected by the position detection device;
the position detection device includes: a photoelectric switch (710) and a photoelectric stopper (720);
the other end of the rotary floating shaft (100) is fixedly connected with a photoelectric stop block (720), a photoelectric switch (710) is installed on the installation seat (910), and the photoelectric switch (710) is electrically connected with a control system.
2. The quick-change device for the thread on-off detection equipment according to claim 1, further comprising: an orientation pin (610) and an orientation notch (620);
the orientation pin (610) is arranged on the detection tool connecting shaft (200) along the radial direction, and an orientation notch (620) corresponding to the orientation pin (610) is arranged on the end surface of the rotary floating shaft (100);
in the connection state, the orientation pin (610) is clamped in the orientation notch (620), and the orientation pin (610) and the orientation notch (620) are used for limiting the rotation between the rotary floating shaft (100) and the detection tool connecting shaft (200).
3. The quick-change device for the thread stop detection equipment according to claim 1 or 2, characterized in that the locking sleeve driving device (350) adopts any one of a pneumatic driving device, a hydraulic driving device or an electric driving device.
4. A quick-change device for a thread make-and-break detection apparatus according to claim 1 or 2, characterized in that the resilient member (500) is a spring.
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| CN202010367367.2A CN111637810B (en) | 2020-04-30 | 2020-04-30 | Quick change device for thread connection and disconnection detection equipment |
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| CN202010367367.2A CN111637810B (en) | 2020-04-30 | 2020-04-30 | Quick change device for thread connection and disconnection detection equipment |
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| CN111637810B true CN111637810B (en) | 2021-11-16 |
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| CN112371532B (en) * | 2020-12-28 | 2021-04-09 | 宁波爱柯迪精密部件有限公司 | Automobile parts internal thread compliance check out test set |
| CN113503790A (en) * | 2021-07-12 | 2021-10-15 | 成都小钥匙科技有限公司 | Thread detection device |
| CN113899310B (en) * | 2021-08-26 | 2023-08-11 | 四川航天川南火工技术有限公司 | Automatic interchangeability detection device and method for five-groove type electric initiating explosive device |
| CN114279291B (en) * | 2021-12-20 | 2024-04-26 | 金平 | Automatic thread quick-change detection system and detection method thereof |
| CN117606326B (en) * | 2024-01-22 | 2024-04-30 | 无锡恩梯量仪科技有限公司 | Threaded hole precision detection device and detection method |
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