CN108917530B - Circle runout detection device - Google Patents
Circle runout detection device Download PDFInfo
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- CN108917530B CN108917530B CN201810829075.9A CN201810829075A CN108917530B CN 108917530 B CN108917530 B CN 108917530B CN 201810829075 A CN201810829075 A CN 201810829075A CN 108917530 B CN108917530 B CN 108917530B
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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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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The application discloses a circle run-out detection device which comprises a fixed seat, wherein a rotary support groove is formed in the middle of the fixed seat, rotary supports are distributed in the rotary support groove, and the rotary supports are rotatably fixed in the rotary support groove through rolling bearings; the middle part of the rotary support is provided with a workpiece fixing groove, and a plurality of adjustable workpiece fixing components are distributed on the side wall of the workpiece fixing groove. The application has the advantages of simple operation, accurate positioning, strong universality, stable operation process, small detection error and high detection accuracy.
Description
Technical Field
The application relates to the technical field of detection tools, in particular to a circle run-out detection device.
Background
Along with the development of economy and the progress of technology, in the field of modern machining, the quality requirements on the machined workpiece are higher and higher, especially the requirements on the roughness, flatness, contour degree and circle run-out of the surface of the workpiece are more strict, and in order to obtain the tight matching degree of the workpiece and other workpieces, the circle run-out requirement on the surface of the workpiece is higher, so that the excircle circle run-out of the workpiece needs to be carefully detected to meet the requirement of the machining. However, in the prior art, because the circle runout detection generally needs to be performed, poor centering degree of the workpiece is easy to occur, the detection is inaccurate, and the size difference of different workpieces is large, so that the detection of the universality is difficult to realize by using the same detection device.
The foregoing background is only for the purpose of facilitating an understanding of the principles and concepts of the application and is not necessarily in the prior art to the present application and is not intended to be used as an admission that such background is not entitled to antedate such novelty and creativity by virtue of prior application or that it is already disclosed at the date of filing of this application.
Disclosure of Invention
Aiming at the technical problems, the application provides the circle run-out detection device which is simple and convenient to operate, accurate in positioning, high in universality, stable in operation process, small in detection error and high in detection accuracy.
The application adopts the following technical scheme to realize the purposes:
the circle runout detection device comprises a fixed seat, wherein a rotary support groove is formed in the middle of the fixed seat, rotary supports are distributed in the rotary support groove, and the rotary supports are rotatably fixed in the rotary support groove through rolling bearings; the middle part of the rotary support is provided with a workpiece fixing groove, and a plurality of adjustable workpiece fixing components are distributed on the side wall of the workpiece fixing groove.
Further, the adjustable workpiece fixing assembly comprises an extrusion part, an extrusion part fixing groove, an extrusion screw and a threaded hole; the extrusion part consists of two cross bars and a vertical bar and is in a nearly I-shaped structure; the extrusion part fixing groove is formed in the side wall of the rotary support, and an upper cross rod and a lower cross rod are distributed corresponding to the extrusion part; one side of two cross rods of the extrusion piece is inserted into the extrusion piece fixing groove and can be fixed in a sliding manner, and scales are distributed on the cross rods at the upper end of the extrusion piece; the threaded hole is formed between the two extrusion part fixing grooves; the extrusion screws are distributed in the threaded holes.
Further, four adjustable workpiece fixing components are distributed on the side wall of the rotary support, and the four adjustable workpiece fixing components are distributed at intervals of 90-degree circular angles.
Further, the upper end and the lower end of the rotary support are respectively fixed in the grooves of the rotary support through a rolling bearing.
Further, a spring seat thread groove is formed in the middle position of the bottom of the workpiece fixing groove, and a spring supporting seat is correspondingly arranged; the spring support seat comprises a support plate, a spring and a threaded column which are sequentially connected, and the threaded column is distributed in the spring seat threaded groove in a matching manner; the spring supporting seat realizes the up-and-down adjustment of the height through the rotation of the threaded column.
Further, the lower part of the rotary support is also combined with a rotary stirring wheel, and the rotary support is rotated by stirring the rotary stirring wheel.
Further, the device also comprises a high-sensitivity detection head assembly; the high-sensitivity detection head components are distributed at the upper end of the fixed seat; the high-sensitivity detection head assembly comprises a detection head support, a detection rod and a detection rod spring; the measuring head support is internally provided with a cavity, the front end of the detecting rod is combined with a rolling small ball, the middle part of the detecting rod is provided with a handle deflector rod, and the rear part of the detecting rod is provided with a spring lug; the detection rod penetrates through the measuring head support and penetrates through the two ends of the detection rod to be distributed, and the handle deflector rod penetrates through the upper end of the measuring head support; the detection rod springs are distributed behind the spring lugs and press the detection rod forwards; the rolling beads can roll freely on the detection rod.
Further, screw through holes are further formed in the side walls of the fixing base corresponding to the threaded holes.
Further, a threaded column adjusting through hole is formed in the middle of the lower end of the fixing seat corresponding to the spring seat threaded groove.
Furthermore, the middle part of the lower end of the fixing seat is also combined with a ring-shaped magnet block.
Compared with the prior art, the application has the beneficial effects that:
(1) According to the application, the rotary support is arranged in a combined way, and is supported and fixed through the upper rolling bearing and the lower rolling bearing, so that the rotation stability of a cutter sample during detection can be ensured, and the detection accuracy is improved.
(2) The workpiece fixing assembly capable of adjusting the workpiece can achieve centering and accurate positioning and fixing of workpieces of different types, and is simple in structure, simple, convenient and rapid to operate.
(3) The spring supporting seat can realize the height positioning adjustment of the workpiece, so that the excircle runout detection of different positions of the workpiece is easy to realize.
(4) Through being equipped with high-sensitivity detection head subassembly, rolling bead and cutter excircle surface contact reduce because the detection error that the friction hindered to bring, be the extrusion state through detecting the pole spring always and effectively get rid of the detection pole and the jump error that the gauge head support friction brought, show the degree of accuracy that improves the detection.
Drawings
FIG. 1 is a cutaway view of the present application;
fig. 2 is a top view of the present application.
Detailed Description
As shown in fig. 1-2, a circle runout detection device comprises a fixed seat 1, a rotary support groove 11 is formed in the middle of the fixed seat 1, rotary supports 12 are distributed in the rotary support groove 11, the upper end and the lower end of the rotary support 12 are respectively fixed in the rotary support groove 11 through a rolling bearing 13 and a rolling bearing 4, a convex ring is arranged at the contact position of the rotary support 12 and the inner ring of the rolling bearing 4 for improving the fixation stability, and the convex ring is pressed above the inner ring of the rolling bearing 4 to prevent the rotary support 12 from rolling and falling down. The middle part of the rotary support 12 is provided with a workpiece fixing groove 3, and four adjustable workpiece fixing components are distributed on the side wall of the workpiece fixing groove. The adjustable workpiece fixing assembly comprises an extrusion part 14-1, an extrusion part fixing groove 14-2, an extrusion screw 15 and a threaded hole; the extrusion part 14-1 consists of two cross bars and a vertical bar and is in a nearly I-shaped structure; the extrusion part fixing groove 14-2 is formed in the side wall of the rotary support 12, and an upper cross bar and a lower cross bar are distributed corresponding to the extrusion part 14-1; one side of two cross bars of the extrusion piece 14-1 is inserted into the extrusion piece fixing groove 14-2 and can be fixed in a sliding manner, scales are distributed on the cross bars at the upper end, and are used for intuitively reflecting the extending length of the extrusion piece 14-1 and ensuring that the extending lengths of the four extrusion pieces 14-1 are consistent so as to realize centering and accurate positioning and fixing of a workpiece; the threaded hole is formed between the two extrusion fixing grooves 14-2; the extrusion screws 15 are distributed in the threaded holes, and of course, screw through holes 2 are further formed in the side walls of the fixing base 1 corresponding to the threaded holes in order to realize tightening operation of the extrusion screws 15, and the tightening tool realizes tightening operation of the extrusion screws 15 through the screw through holes 2. Four adjustable work piece fixed subassembly interval 90 centre of a circle angles distributions to fasten the work piece from four directions.
In this embodiment, a spring seat thread groove is further formed in the middle position of the bottom of the workpiece fixing groove 3, and a spring support seat is correspondingly further provided; the spring support seat comprises a support plate 10, a spring 9 and a threaded column 7 which are sequentially connected, and the threaded column 7 is distributed in the spring seat threaded groove in a matching manner; the spring support seat realizes the up-and-down adjustment of the height through the rotation of the threaded column 7. Of course, in order to implement the adjustment operation of the threaded column 7, a threaded column adjustment through hole 23 is provided in the middle of the lower end of the fixing seat 1 corresponding to the spring seat threaded groove. In use, the lower end of the workpiece is supported by the support plate 10, and the adjustment of the detection position required by the detected workpiece is realized by up-down extrusion.
Of course, in order to facilitate controlling the rotation of the rotary support 12, the lower part of the rotary support 12 is further combined with a rotary poking wheel 5, the fixed seat 1 is provided with a poking wheel cavity 8 corresponding to the rotary poking wheel 5, and the rotary poking wheel 5 is exposed out of the fixed seat 1 by digging a pit in the fixed seat 1 through the poking wheel cavity 8, so that the hand poking operation is facilitated; the rotation of the rotary support 12 is achieved by toggling the rotary toggle wheel 5.
In order to improve the detection accuracy and reduce the detection error, the embodiment is also provided with a high-sensitivity detection head assembly at one side of the upper end of the fixing seat; the high-sensitivity detection head assembly comprises a detection head support 18, a detection rod 17 and a detection rod spring 21; of course, when the high-sensitivity detection head components are distributed, the central axis extension line of the detection rod 17 is intersected with the central axis extension line of the cutter fixing seat groove 3; a cavity 20 is formed in the measuring head support 18, a rolling small bead 16 is combined at the front end of the detecting rod 17, a handle deflector rod 19 is arranged at the middle part of the detecting rod, and a spring lug is arranged at the rear part of the detecting rod; the detection rod 17 penetrates through the measuring head support 18, two ends of the detection rod penetrate through the measuring head support 18 and are distributed, and the handle deflector rod 19 penetrates out of the upper end of the measuring head support 18; the detection rod springs 21 are distributed behind the spring lugs and squeeze the detection rod forwards, so that the front end of the detection rod 17 can squeeze the outer surface of a cutter sample all the time when the cutter sample is detected; the rolling ball 16 can roll freely on the detection rod 17, and the structure of the ball-point pen is similar to that of a ball-point pen head.
In order to facilitate the fixing operation, the middle part of the lower end of the fixing seat 1 is also combined with a ring-shaped magnet block 6, and fixing seat fixing holes 22 are arranged on two sides of the ring-shaped magnet block 6, so that the ring-shaped magnet block 6 is favorably adsorbed on the iron stand.
When the application is used, the handle deflector rod 19 is pulled back, then a workpiece to be detected is inserted into the workpiece fixing groove 3, and the position to be detected is adjusted by extruding the workpiece up and down; through adjusting extrusion screw 15, extrusion screw 15 then can extrude extrusion 14-1 to confirm the length of stretching out through looking over the scale on its horizontal pole, the length of stretching out's determination can easily draw according to the diameter of different work pieces, every extrusion 14-1's upper and lower two horizontal poles outer ends can extrude the work piece, ensure simultaneously that the scale on four extrusion 14-1 horizontal poles is unanimous, can realize the accurate location and realize fixing in the middle of work piece. After the handle deflector rod 19 is released, the rolling small beads 16 at the front end of the detection rod 17 can always squeeze the outer surface of the cutter sample; and the dial indicator detection head is close to the rear end of the detection rod 17, the dial indicator is fixed through the dial indicator frame, the rotary dial wheel 5 is shifted after zeroing to realize the rotation of a workpiece, the detection rod 17 monitors excircle runout through the rolling of the rolling small beads 16, the contact friction force with the surface of the workpiece is obviously reduced, the runout error caused by the contact friction force is obviously reduced, and the accurate detection is realized.
Claims (9)
1. The utility model provides a circle detection device that beats which characterized in that: the rotary support comprises a fixed seat, wherein a rotary support groove is formed in the middle of the fixed seat, rotary supports are distributed in the rotary support groove, and the rotary supports are rotatably fixed in the rotary support groove through rolling bearings; the middle part of the rotary support is provided with a workpiece fixing groove, and a plurality of adjustable workpiece fixing components are distributed on the side wall of the workpiece fixing groove;
the adjustable workpiece fixing assembly comprises an extrusion piece, an extrusion piece fixing groove, an extrusion screw and a threaded hole; the extrusion part consists of two cross bars and a vertical bar and is in a nearly I-shaped structure; the extrusion part fixing groove is formed in the side wall of the rotary support, and an upper cross rod and a lower cross rod are distributed corresponding to the extrusion part; one side of two cross rods of the extrusion piece is inserted into the extrusion piece fixing groove and can be fixed in a sliding manner, and scales are distributed on the cross rods at the upper end of the extrusion piece; the threaded hole is formed between the two extrusion part fixing grooves; the extrusion screws are distributed in the threaded holes;
the high-sensitivity detecting head assembly is also included; the high-sensitivity detection head components are distributed at the upper end of the fixing seat.
2. The circle run-out detection device of claim 1, wherein: four adjustable workpiece fixing components are distributed on the side wall of the rotary support, and the four adjustable workpiece fixing components are distributed at intervals of 90-degree circular angles.
3. The circle run-out detection device of claim 1, wherein: the upper end and the lower end of the rotary support are respectively fixed in the grooves of the rotary support through a rolling bearing.
4. The circle run-out detection device of claim 1, wherein: a spring seat thread groove is further formed in the middle position of the bottom of the workpiece fixing groove, and a spring supporting seat is correspondingly arranged; the spring support seat comprises a support plate, a spring and a threaded column which are sequentially connected, and the threaded column is distributed in the spring seat threaded groove in a matching manner; the spring supporting seat realizes the up-and-down adjustment of the height through the rotation of the threaded column.
5. The circle run-out detection device of claim 1, wherein: the lower part of the rotary support is also combined with a rotary stirring wheel, and the rotary support is rotated by stirring the rotary stirring wheel.
6. The circle run-out detection device of claim 1, wherein: the high-sensitivity detection head assembly comprises a detection head support, a detection rod and a detection rod spring; the measuring head support is internally provided with a cavity, the front end of the detecting rod is combined with a rolling small ball, the middle part of the detecting rod is provided with a handle deflector rod, and the rear part of the detecting rod is provided with a spring lug; the detection rod penetrates through the measuring head support and penetrates through the two ends of the detection rod to be distributed, and the handle deflector rod penetrates through the upper end of the measuring head support; the detection rod springs are distributed behind the spring lugs and press the detection rod forwards; the rolling beads can roll freely on the detection rod.
7. The circle run-out detection device of claim 1, wherein: screw through holes are further formed in the side walls of the fixing base corresponding to the threaded holes.
8. The circle run-out detection device of claim 4, wherein: and a threaded column adjusting through hole is formed in the middle of the lower end of the fixing seat corresponding to the spring seat threaded groove.
9. The circle run-out detection device of claim 1, wherein: the middle part of the lower end of the fixing seat is also combined with a ring-shaped magnet block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810829075.9A CN108917530B (en) | 2018-07-25 | 2018-07-25 | Circle runout detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810829075.9A CN108917530B (en) | 2018-07-25 | 2018-07-25 | Circle runout detection device |
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| Publication Number | Publication Date |
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| CN108917530A CN108917530A (en) | 2018-11-30 |
| CN108917530B true CN108917530B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810829075.9A Active CN108917530B (en) | 2018-07-25 | 2018-07-25 | Circle runout detection device |
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| JPH0763503A (en) * | 1993-08-30 | 1995-03-10 | Toyota Motor Corp | Run-out measuring device for tooth space of gear |
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| CN106595422A (en) * | 2016-11-29 | 2017-04-26 | 广西玉柴机器股份有限公司 | Crankshaft adjacent shift run-out testing tool |
| CN206787431U (en) * | 2017-05-29 | 2017-12-22 | 海宁上通优必胜轴承有限公司 | A kind of bearing top circle justifies jitter detection apparatus |
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| CN108917530A (en) | 2018-11-30 |
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