CN217442516U - Detection tool for detecting roundness and taper of annular workpiece - Google Patents
Detection tool for detecting roundness and taper of annular workpiece Download PDFInfo
- Publication number
- CN217442516U CN217442516U CN202220604754.8U CN202220604754U CN217442516U CN 217442516 U CN217442516 U CN 217442516U CN 202220604754 U CN202220604754 U CN 202220604754U CN 217442516 U CN217442516 U CN 217442516U
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- track
- taper
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- 238000001514 detection method Methods 0.000 title abstract description 39
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 241000425571 Trepanes Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model provides an examine utensil for detecting annular work piece circularity and tapering relates to and examines a technical field, and it connects in the track of base, sliding connection in the supporter of the track other end and is fixed in the laser range finder on the supporter including setting up in base, vertical setting and the coaxial rotation of one end of work piece axis department, laser range finder sends a signal towards the work piece inner wall. The utility model discloses have the effect of improving the problem that exists that the detection mode is complicated relatively, the detection size is limited great, the detection precision is lower and detection efficiency is lower to the detection of annular work piece tapering and circularity among the prior art.
Description
Technical Field
The utility model relates to an examine technical field, especially relate to an examine utensil for detecting annular workpiece circularity and tapering.
Background
The roundness and the taper of the annular workpiece are detected, and the detection is an important guarantee for guaranteeing the quality of the workpiece.
In the prior art, generally, when an annular workpiece is detected, the out-of-roundness is judged in a mode of measuring the diameter by using a measuring tape at multiple points, the detection mode is poor in accuracy, two or more persons are required to operate when a cylinder is large, the out-of-roundness workpiece cannot be detected, and the taper detection is inaccurate.
Or line drawing detection is carried out by adopting a mode of matching a measuring tape with a drawing gauge, namely, the theoretical center of a cylinder is found out on the platform, a theoretical arc line is drawn on the end surface through the theoretical center of the cylinder by adopting tools such as the drawing gauge and the like, and the measuring tape or a steel ruler is used for measuring the distance between the theoretical arc line and the blank to obtain out-of-roundness data; the measurement method has errors of accumulative measurement, and cannot be operated when the diameter of the workpiece is large, meanwhile, if the cylinder has taper, the data detected by scribing is only the out-of-roundness of the end face, and the region except the end face cannot be detected.
The other method is to use a three-coordinate detector for detection, and although the detection method has high detection precision, the cost is high, and the size of the workpiece to be detected is severely limited.
In conclusion, the checking fixture for detecting the taper and the roundness of the annular workpiece in the prior art has the problems of low detection precision, relatively complex detection mode and large detection size limitation.
SUMMERY OF THE UTILITY MODEL
To exist not enough among the prior art, the utility model provides an examine utensil for detecting annular work piece circularity and tapering, it can improve among the prior art to exist the detection mode relatively complicated, detect that the size is limited great, detect that the precision is lower and detection efficiency is lower to the detection of annular work piece tapering and circularity.
According to the utility model discloses an embodiment, an examine utensil for detecting annular work piece circularity and tapering, it connects in the track of base, sliding connection in the supporter of the track other end and is fixed in the laser range finder on the supporter including setting up in base, vertical setting and the coaxial rotation of one end of work piece axis department, laser range finder signals towards the work piece inner wall.
Preferably, the track includes equal vertical rotation axis and the slide rail that sets up, the coaxial rotation of one end of rotation axis is connected in the base, and the other end stretches out the base and has seted up the internal thread hole, the lower extreme threaded connection of slide rail is in the rotation axis.
Preferably, the upper end of the slide rail is provided with an internal thread hole and is in threaded connection with a limiting rod, the cross sections of the limiting rod and the slide rail are circular, the limiting rod is integrally T-shaped, the small-diameter end of the limiting rod is in threaded connection with the slide rail, and the small-diameter end of the limiting rod is equal to the diameter of the slide rail.
Preferably, a guard ring abutting against the rotating shaft is provided at the lower end of the slide rail.
Preferably, the base comprises a base, a sleeve detachably connected to the base, and a plurality of bearings coaxially fixed in the sleeve, and one end of the track is fixed to an inner ring of the bearing.
Preferably, the upper end of the sleeve is detachably connected with a sealing plate.
Preferably, the supporter includes sliding connection in orbital slider, is fixed in slider one end and follows the platform that the horizontal direction extends and be used for restricting the vertical gliding mounting of slider, the orbital screw hole of intercommunication is seted up to the other end of slider, just mounting threaded connection is in the slider, laser range finder is fixed in the platform.
Preferably, the track is radially seted up threaded hole and threaded connection has two centering rods, two the mutual butt of centering rod and orbital axial lead are located the butt face, the centering rod includes that one end threaded connection has a loop bar and an extension rod of one end adaptation in the loop hole of trepanning in track and the other end, the extension rod is provided with the scale.
Preferably, the trepan boring is provided with an internal thread, and the extension rod is connected to the trepan rod in a threaded manner.
To sum up, the utility model discloses a following at least one useful technological effect:
through setting up the base, rotate the track of connecting on the base, can do vertical slip on the track and carry out the supporter fixed on arbitrary plane and place the laser range finder on the supporter, make when the test, place the base in the axial lead department of the annular work piece that awaits measuring, can drive laser range finder and make circular motion through the mode of rotating track and supporter, and then accomplish the roundness measurement through the laser range finder, and accomplish the taper measurement of annular work piece with the mode of comparing through the roundness measurement on the different planes, for the measuring mode among the prior art, whole measuring mode is quick, high efficiency, it is accurate higher, thereby it is relatively complicated to have the measuring mode to the detection of annular work piece taper and circularity among the prior art to improve, it is great to detect the size restriction, detect the lower and lower problem of detection efficiency of precision.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic view of a partial cross-sectional structure of an embodiment of the present invention;
fig. 3 is a schematic view of a partial cross-sectional structure of another embodiment of the present invention, mainly showing a centering rod.
In the above drawings: 1. a base; 11. a base; 12. a sleeve; 13. a bearing; 14. closing the plate; 2. a track; 21. a rotating shaft; 22. a slide rail; 221. a limiting rod; 222. a guard ring; 3. a rack; 31. a slider; 32. a platform; 33. a fixing member; 4. a laser range finder; 5. a centering rod; 51. a loop bar; 52. an extension rod.
Detailed Description
The present invention will be further described with reference to fig. 1-3.
Referring to fig. 1, the embodiment of the utility model provides a detection tool for detecting circularity and taper of an annular workpiece, which comprises a base 1, a track 2, a storage rack 3 and a laser range finder 4; the upper side of the base 1 is provided with a hole, the track 2 is vertically arranged, the lower end of the track 2 is rotatably connected in the hole of the base 1, and the cross section of the track 2 is circular; the commodity shelf 3 is provided with a hole matched with the rail 2, so that the commodity shelf 3 can vertically slide on the rail 2 when stressed; the laser range finder 4 is mounted on the shelf 3, and the signal emitting direction thereof is a horizontal direction facing away from the track 2.
When the circular ring-shaped workpiece marking device is used, a workpiece is placed on a flat working surface, and a theoretical circle of the circular workpiece is found on the working surface and marked; then, the base 1 is placed in the annular workpiece to be detected, and the base 1 is located at the mark; then, the shelf 3 is held by hands, the shelf 3 makes circular motion on the same horizontal plane, and the laser range finder 4 is used for performing multi-point measurement on the same plane, so that the out-of-roundness of the annular workpiece is obtained; finally, by vertically moving the article placing rack 3, roundness measurement is repeatedly performed on different planes, and the taper of the annular workpiece in the height direction is obtained through out-of-roundness comparison at different heights.
Compared with the mode of tape detection, marking detection or three-coordinate detection in the prior art, the utility model discloses a whole detection frock simple structure, application method is simple, utilizes the measuring accuracy of laser range finder 4, thereby improves the detection of annular workpiece tapering and circularity among the prior art through this kind of detection mode and has the problem that the detection mode is complicated relatively, detection size is limited great, detection precision is lower and detection efficiency is lower; meanwhile, the radius of the detection range of the gauge is determined according to the detection range of the laser range finder 4, so that the radius of the detection range of the distance is relatively wide (in the actual use process, the radius of the detection range of the whole distance can reach 150mm-50000mm), and the practicability is high.
Referring to fig. 1 and 2, in particular, the base 1 includes a base 11, a sleeve 12, and a plurality of bearings 13; the sleeve 12 is integrally in an I shape, the lower end of the sleeve is detachably connected to the base 11, the cross section of the sleeve in the horizontal direction is circular, and the sleeve 12 is provided with a mounting hole in a penetrating manner in the vertical direction; the plurality of bearings 13 are two and are respectively arranged at the upper and lower orifices of the mounting hole of the sleeve 12, and the outer ring of the bearing 13 is fixed on the inner wall of the sleeve 12.
A closing plate 14 is detachably connected to the upper end of the sleeve 12 to limit the bearing 13 and prevent the bearing 13 from jumping out.
The rail 2 includes a rotating shaft 21 and a slide rail 22 both vertically provided; the lower end of the rotating shaft 21 is coaxially fixed on the inner ring of the bearing 13 in the sleeve 12, and a step is arranged at the position where the rotating shaft 21 is fixedly connected with the bearing 13 so as to limit the bearing 13 and prevent axial runout; the upper end of the rotary shaft 21 protrudes from the sleeve 12, and a female screw hole is opened on the end side. The horizontal section of the slide rail 22 is circular, and the lower end of the slide rail is screwed to the upper end of the rotary shaft 21, so that the rotary shaft 21 can be driven to rotate together by rotating the slide rail 22.
An internal threaded hole is formed in the upper end of the slide rail 22, the limiting rod 221 is in threaded connection with the upper end of the slide rail 22, the cross section of the limiting rod 221 is circular, the limiting rod 221 is integrally T-shaped, and the small-diameter end of the limiting rod is in threaded connection with the slide rail 22, so that limiting is formed through the limiting rod 221, and the shelf 3 is prevented from falling; the small diameter end of the slide rail 22 is the same as the diameter of the slide rail 22, so that the shelf 3 can slide on the limiting rod 221, and the length of the detectable ring-shaped tool is relatively increased. Further, the effective stroke of the slide rail 22 is increased by preparing an extension rod with the same diameter as the slide rail 22.
The lower end of the slide rail 22 is provided with a guard ring 222, and the guard ring 222 abuts against the rotary shaft 21 to limit the rotation of the slide rail 22 through the guard ring 222, so that the rotation of the slide rail 22 can drive the rotation of the rotary shaft 21, and impurities are prevented from entering the threaded hole of the rotary shaft 21.
The shelf 3 comprises a slide block 31, a platform 32 and a fixing piece 33; the sliding block 31 is provided with a through hole for the sliding rail 22 to pass through so as to slide on the sliding rail 22, and one end of the sliding block 31 in the horizontal direction is provided with an internal thread hole communicated with the through hole; the platform 32 is fixed at the other end of the sliding block 31 in the horizontal direction, and the upper table surface of the platform 32 is a horizontal plane so as to fix the laser range finder 4; the fixing member 33 is integrally T-shaped, and a vertical end thereof is screwed to the sliding block 31 and abuts against the slide rail 22 to limit the sliding of the sliding block 31, so that the sliding block 31 is limited on the same level.
During the use, examine utensil and rotate through bearing 13 and drive laser range finder 4, gather annular workpiece inner circular wall linear distance, remove slider 31 and can slide wantonly on slide rail 22, just can measure the circularity of arbitrary position of annular workpiece direction of height, thereby compare through the circularity of different heights and obtain the tapering of annular workpiece direction of height, accomplish the measurement fast to guarantee the accuracy of measuring result relatively.
Referring to fig. 3, in another embodiment, a threaded hole is formed in the lower end of the slide rail 22 along the radial direction thereof, and two centering rods 5 are connected to the lower end of the slide rail in a threaded manner; the centering rod 5 comprises a sleeve rod 51 and an extension rod 52, one end of the sleeve rod 51 is connected in a threaded hole of the slide rail 22 in a threaded manner, meanwhile, the two sleeve rods 51 are mutually abutted, and the axis of the slide rail 22 is positioned on an abutting surface; the other end of the loop bar 51 extends along the horizontal direction and is provided with a loop hole; one end of the extension rod 52 is adapted and inserted into the sleeve hole of the sleeve rod 51, so that the extension of the whole centering rod 5 can be realized by drawing out the extension rod 52; the extension rod 52 is also provided with a scale.
When using promptly to examine utensil and will examining the utensil and place in the axial lead department of the work piece that awaits measuring, the accessible is taken two extension rod 52's mode simultaneously and is made extension rod 52 butt in the work piece inner wall, and when extension rod 52 took out the scale on longest and two extension rod 52 always, can confirm to examine the axial lead department that is located the work piece that awaits measuring to reach the purpose at quick definite center, be convenient for go on fast of detection work, and guarantee detection quality relatively.
Further, be provided with the internal thread on the trepanning of loop bar 51, and extension rod 52 threaded connection is in loop bar 51 to make extension rod 52 screw-out through the pivoted mode, after two extension rods 52 butt in the work piece inner wall, can guarantee the stability of whole utensil of examining relatively.
Meanwhile, the extension rod 52 can be coated with a fluorescent layer, so that the scale of the extension rod 52 can be visualized in a weak light environment.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (9)
1. The utility model provides an examine utensil for detecting annular workpiece circularity and tapering which characterized in that: including setting up in base (1), vertical setting and the coaxial rotation of one end of work piece axis department and connecting in track (2) of base (1), sliding connection in supporter (3) of the track (2) other end and be fixed in laser range finder (4) on supporter (3), laser range finder (4) send signal towards the work piece inner wall.
2. The checking fixture for detecting the roundness and the taper of the annular workpiece according to claim 1, wherein: track (2) are including rotation axis (21) and slide rail (22) of equal vertical setting, the coaxial rotation of one end of rotation axis (21) is connected in base (1), and the other end stretches out base (1) and has seted up the internal thread hole, the lower extreme threaded connection of slide rail (22) is in rotation axis (21).
3. The inspection device for detecting the roundness and the taper of the annular workpiece according to claim 2, wherein: the upper end of the sliding rail (22) is provided with an internal thread hole and is in threaded connection with a limiting rod (221), the cross sections of the limiting rod (221) and the sliding rail (22) are circular, the limiting rod (221) is integrally T-shaped, the small-diameter end of the limiting rod (221) is in threaded connection with the sliding rail (22), and the diameter of the small-diameter end of the limiting rod (221) is equal to that of the sliding rail (22).
4. The inspection device for detecting the roundness and the taper of the annular workpiece according to claim 2, wherein: the lower end of the slide rail (22) is provided with a guard ring (222) which is abutted against the rotating shaft (21).
5. The checking fixture for detecting the roundness and the taper of the annular workpiece according to claim 1, wherein: the base (1) comprises a base (11), a sleeve (12) detachably connected to the base (11) and a plurality of bearings (13) coaxially fixed in the sleeve (12), and one end of the track (2) is fixed to an inner ring of each bearing (13).
6. The inspection device for detecting the roundness and the taper of the annular workpiece according to claim 5, wherein: the upper end of the sleeve (12) is detachably connected with a closing plate (14).
7. The inspection device for detecting the roundness and the taper of the annular workpiece according to claim 1, wherein: supporter (3) include sliding connection in slider (31) of track (2), be fixed in slider (31) one end and follow platform (32) that the horizontal direction extends and be used for restricting vertical gliding mounting (33) of slider (31), the screw hole of intercommunication track (2) is seted up to the other end of slider (31), just mounting (33) threaded connection is in slider (31), laser range finder (4) are fixed in platform (32).
8. The inspection device for detecting the roundness and the taper of the annular workpiece according to claim 1, wherein: track (2) radially seted up threaded hole and threaded connection have two centering rod (5), two centering rod (5) mutual butt and the axial lead of track (2) are located the butt face, centering rod (5) include one end threaded connection in track (2) and the other end set up loop bar (51) and one end adaptation in extension rod (52) of loop hole, extension rod (52) are provided with the scale.
9. The checking fixture for detecting the roundness and the taper of the annular workpiece according to claim 8, wherein: the trepanning is provided with the internal thread, and extension rod (52) threaded connection is in loop bar (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220604754.8U CN217442516U (en) | 2022-03-18 | 2022-03-18 | Detection tool for detecting roundness and taper of annular workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220604754.8U CN217442516U (en) | 2022-03-18 | 2022-03-18 | Detection tool for detecting roundness and taper of annular workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217442516U true CN217442516U (en) | 2022-09-16 |
Family
ID=83214547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220604754.8U Expired - Fee Related CN217442516U (en) | 2022-03-18 | 2022-03-18 | Detection tool for detecting roundness and taper of annular workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217442516U (en) |
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2022
- 2022-03-18 CN CN202220604754.8U patent/CN217442516U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220916 |