CN210321689U - Positioning and fixing device for cycloidal gear detection - Google Patents
Positioning and fixing device for cycloidal gear detection Download PDFInfo
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- CN210321689U CN210321689U CN201921242343.3U CN201921242343U CN210321689U CN 210321689 U CN210321689 U CN 210321689U CN 201921242343 U CN201921242343 U CN 201921242343U CN 210321689 U CN210321689 U CN 210321689U
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- fixing device
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- mounting seat
- cycloid wheel
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Abstract
The utility model relates to a cycloid wheel detects uses location fixing device, including the base, be provided with the mount pad on the base, be provided with the location fixed establishment who is used for advancing the location to the cycloid wheel on the mount pad. The method has the effect of positioning and fixing the cycloid wheel, and improves the accuracy of the detection data of the cycloid wheel.
Description
Technical Field
The utility model belongs to the technical field of the equipment manufacturing technique and specifically relates to a cycloid wheel detects and uses location fixing device is related to.
Background
The cycloid wheel is a key part of the RV reducer, the processing precision of the tooth profile of the cycloid wheel directly influences the performance of the reducer, and the tooth profile of the double-piece cycloid wheel is required to have higher processing precision and ensure consistency.
In the prior art, a three-coordinate measuring instrument is adopted to precisely measure the tooth profile of a cycloid wheel, the cycloid wheel is manually placed on a workbench of the three-coordinate measuring instrument each time the cycloid wheel is measured, and the measured tooth profile data of each cycloid wheel is compared. Therefore, the tooth profile measurement of the existing cycloid gears cannot ensure the accurate measurement of the positioning of each cycloid gear.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cycloid wheel detects uses location fixing device, it has the fixed effect in cycloid wheel location, improves the accuracy nature of the detected data of cycloid wheel.
The utility model discloses a can realize through following technical scheme:
the utility model provides a cycloid wheel detects uses location fixing device, includes the base, be provided with the mount pad on the base, be provided with the location fixed establishment who is used for fixing a position the cycloid wheel on the mount pad.
By adopting the technical scheme, the base is fixed on the workbench of the three-coordinate measuring instrument, the mounting seat is fixed on the base, the positioning and fixing mechanism on the mounting seat positions and fixes the cycloid wheel, and the three-coordinate measuring instrument detects the cycloid wheel, so that the accuracy of the detection data of the cycloid wheel can be ensured.
The utility model discloses further set up to: the positioning and fixing mechanism comprises at least two magnetic parts, at least two positioning columns and a lifting assembly for controlling the positioning columns to lift; the upper surface of the mounting seat is provided with mounting grooves, the magnetic pieces correspond to the mounting grooves one by one, and the magnetic pieces are mounted in the mounting grooves; the upper surface of the mounting seat is provided with a sliding groove, and the mounting column is placed in the sliding groove.
Through adopting above-mentioned technical scheme, lifting unit control reference column is along the upwards or downstream movement of sliding groove. When the positioning column extends out of the sliding groove, the hole of the cycloid wheel is sleeved on the positioning column, and then the positioning column moves downwards and descends back into the sliding groove by adopting the lifting assembly; meanwhile, the cycloidal gear is fixed on the upper surface of the mounting seat by adopting the suction force of the magnetic part.
The utility model discloses further set up to: the lifting assembly comprises an eccentric wheel arranged in the mounting cavity and a rotating shaft connected with the eccentric wheel, the side wall of the mounting seat is provided with a rotating hole, the rotating hole is communicated with the mounting cavity, and the rotating shaft penetrates through the rotating hole and is rotatably connected with the mounting seat; the eccentric wheel far center point is abutted to the lower end of the positioning column, and the upper end of the positioning column extends out of the sliding groove.
By adopting the technical scheme, the rotating shaft is rotated, the rotating shaft drives the eccentric wheel to rotate, the eccentric wheel is abutted against the lower end of the positioning column, when the far center point of the eccentric wheel is abutted against the lower end of the positioning column, the upper end of the positioning column extends out of the sliding groove, and at the moment, two holes of the cycloidal gear are respectively sleeved on the two positioning columns; the rotating shaft is rotated again, the rotating shaft drives the eccentric wheel to rotate, and the positioning column moves downwards along with the eccentric wheel along the sliding groove until the eccentric wheel is close to the center point and is abutted to the lower end of the positioning column.
The utility model discloses further set up to: the positioning column comprises an upper positioning part and a lower positioning part, and the cross sectional area of the upper positioning part is smaller than that of the lower positioning part; the eccentric wheel is in contact with the lower end of the positioning column at the center of the eccentric wheel, and the upper end of the lower positioning part extends out of the sliding groove.
By adopting the technical scheme, the rotating shaft drives the eccentric wheel to rotate, the eccentric wheel is abutted against the lower end of the positioning column, when the far center point of the eccentric wheel is abutted against the lower end of the positioning column, the upper end of the lower positioning part of the positioning column 33 extends out of the sliding groove, at the moment, the hole of the cycloidal gear is sleeved on the upper positioning part of the positioning column, and the lower surface of the cycloidal gear is abutted against the upper end of the lower positioning part of the positioning column; the axis of rotation is rotated once more, and the axis of rotation drives the rotation of eccentric wheel, and the reference column is along the rotation of sliding tray downstream of eccentric wheel, until the lower extreme of the nearly heart point butt reference column of eccentric wheel, and the cycloid wheel moves down along with the lower location portion of reference column simultaneously, until the lower surface butt in the upper surface of mount pad of cycloid wheel to the cycloid wheel is fixed in the upper surface of mount pad through the magnetic part. After the cycloidal gear detects, rotate the axis of rotation, the axis of rotation drives the rotation of eccentric wheel, and the reference column moves up along the sliding tray, and after the last location portion of reference column stretched out the sliding tray completely, the lower location portion of reference column thereupon drove the cycloidal gear and overcomes the suction upward movement of magnetic part, produced the clearance between cycloidal gear and the mount pad, this clearance makes things convenient for the cycloidal gear to take off.
The utility model discloses further set up to: the positioning column with be provided with between the mount pad and be used for preventing the spacing subassembly that the positioning column deviates from.
Through adopting above-mentioned technical scheme, spacing subassembly can prevent that the reference column roll-off from sliding outside the groove.
The utility model discloses further set up to: the limiting assembly comprises an inner convex ring arranged on the inner wall of the sliding groove and an outer convex ring arranged on the peripheral surface of the positioning column.
Through adopting above-mentioned technical scheme, through the cooperation between outer bulge loop and the interior bulge loop, the reference column breaks away from the groove that slides when preventing the mount pad from inverting.
The utility model discloses further set up to: the magnetic part is detachably connected with the mounting seat.
Through adopting above-mentioned technical scheme, magnetism spare is dismantled and is connected in the mounting groove of mount pad, when magnetism spare demagnetization, conveniently changes magnetism spare.
The utility model discloses further set up to: the magnetic part is provided with a connecting hole, the mounting seat is provided with a mounting thread groove at the bottom of the mounting groove, and the magnetic part is connected with the mounting seat through a mounting bolt in a threaded manner.
Through adopting above-mentioned technical scheme, threaded connection simple structure, the dismantlement and the installation of the magnetic part of being convenient for.
The utility model discloses further set up to: the number of the magnetic parts is four
Through adopting above-mentioned technical scheme, to the cycloidal gear back of fixing a position, four magnetism spares can strengthen the fixed stability of cycloidal gear, and then improve the accuracy nature of the detected data of cycloidal gear.
The utility model discloses further set up to: and a rotating operation hole is formed in one end, located outside the installation cavity, of the rotating shaft.
Through adopting above-mentioned technical scheme, when the axis of rotation need rotate, the dwang is pegged graft in rotating the handle hole, rotates the dwang along the axis of rotation, and the dwang drives the axis of rotation and rotates. Therefore, the provision of the rotation operation hole facilitates the rotation of the rotation shaft.
To sum up, the utility model discloses a beneficial technological effect does:
firstly, the base is fixed on a workbench of a three-coordinate measuring instrument, the mounting seat is fixed on the base, a positioning and fixing mechanism on the mounting seat positions and fixes the cycloid wheel, the three-coordinate measuring instrument detects the cycloid wheel, and then the accuracy of the detection data of the cycloid wheel can be ensured.
Secondly, the rotating shaft drives the eccentric wheel to rotate, the eccentric wheel abuts against the lower end of the positioning column, when the far center point of the eccentric wheel abuts against the lower end of the positioning column, the upper end of the lower positioning part of the positioning column 33 extends out of the sliding groove, at the moment, the hole of the cycloidal gear is sleeved on the upper positioning part of the positioning column, and the lower surface of the cycloidal gear abuts against the upper end of the lower positioning part of the positioning column; the axis of rotation is rotated once more, and the axis of rotation drives the rotation of eccentric wheel, and the reference column is along the rotation of sliding tray downstream of eccentric wheel, until the lower extreme of the nearly heart point butt reference column of eccentric wheel, and the cycloid wheel moves down along with the lower location portion of reference column simultaneously, until the lower surface butt in the upper surface of mount pad of cycloid wheel to the cycloid wheel is fixed in the upper surface of mount pad through the magnetic part. After the cycloidal gear detects, rotate the axis of rotation, the axis of rotation drives the rotation of eccentric wheel, and the reference column moves up along the sliding tray, and after the last location portion of reference column stretched out the sliding tray completely, the lower location portion of reference column thereupon drove the cycloidal gear and overcomes the suction upward movement of magnetic part, produced the clearance between cycloidal gear and the mount pad, this clearance makes things convenient for the cycloidal gear to take off.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is an exploded view of the embodiment;
FIG. 3 is a bottom view of the mount of the embodiment;
fig. 4 is a sectional view taken along line a-a of fig. 3.
In the figure, 1, a base; 11. a connecting bolt; 12. fixing the threaded hole; 2. a mounting seat; 21. mounting grooves; 22. a sliding groove; 23. a mounting cavity; 3. a positioning and fixing mechanism; 31. a lifting assembly; 311. a rotating shaft; 3111. rotating the operation hole; 312. an eccentric wheel; 313. positioning the bolt; 32. a magnetic member; 321. connecting holes; 33. a positioning column; 331. an upper positioning part; 332. a lower positioning part; 4. a limiting component; 41. an outer convex ring; 42. an inner collar; 5. installing a bolt; 6. a cycloid wheel.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): a positioning and fixing device for detecting a cycloid wheel is shown in a combined drawing 1 and a drawing 2 and comprises a base 1, wherein a mounting seat 2 is fixedly connected to the base 1 through a connecting bolt 11. Mount pad 2 is cylindrically, and mount pad 2's lower surface integrated into one piece has the projection, and the mount pad sets up with mount pad 2 coaxial line, and base 1's upper surface is seted up flutedly, and the projection is pegged graft in the recess, and mount pad 2's lower surface butt is in base 1's upper surface. The lower surface of mount pad 2 has seted up fixed thread groove, and base 1 has seted up fixed screw hole 12, and connecting bolt 11 is threaded connection base 1's fixed screw hole 12 and mount pad 2's fixed thread groove in order.
The cycloid wheel 6 is detachably connected to the upper surface of the mounting base 2. The mounting base 2 is provided with a positioning and fixing mechanism 3 for positioning the cycloid wheel 6.
The positioning and fixing mechanism 3 includes two positioning pillars 33, four magnetic members 32, and a lifting assembly 31 for controlling the lifting of the positioning pillars 33.
The magnetic part 32 comprises a circular magnet, four mounting grooves 21 are formed in the upper surface of the mounting seat 2, the four mounting grooves 21 are distributed in a square shape, and the center of the square coincides with the circle center of the mounting seat 2. Connecting hole 321 has been seted up at the center department of circular magnet, and the installation thread groove has been seted up to the tank bottom of mounting groove 21, and four circular magnets are installed in four mounting grooves 21 through construction bolt 5 respectively, and threaded connection is in the installation thread groove of mounting groove 21 behind construction bolt 5 passed circular magnet's the connecting hole 321, and the head cross-sectional area of construction bolt 5 is greater than the cross-sectional area of connecting hole 321.
Two grooves 22 that slide have been seted up to the upper surface of mount pad 2, and the center of mount pad 2 is crossed to the line in two grooves 22 that slide, and two reference columns 33 are installed respectively in two grooves 22 that slide. Positioning column 33 includes upper positioning portion 331 and lower positioning portion 332, and the cross-sectional area of upper positioning portion 331 is less than the cross-sectional area of lower positioning portion 332.
Referring to fig. 3 and 4, an installation cavity 23 located below the sliding groove 22 is formed in the installation base 2, and the installation cavity 23 is communicated with the sliding groove 22.
The lifting assembly 31 includes a rotating shaft 311, two eccentric wheels 312, and two positioning bolts 313.
The two eccentric wheels 312 are installed in the installation cavity 23, and the two eccentric wheels 312 are respectively located below the two positioning columns 33; the rotating shaft 311 is inserted through the holes of the two eccentrics 312, and the rotating shaft 311 and the eccentrics 312 are detachably connected. Two rotation holes have been seted up to the lateral wall of mount pad 2, and two rotation holes are linked together with installation cavity 23, and two rotation holes are passed respectively and are connected with mount pad 2 rotation at the both ends of axis of rotation 311, and axis of rotation 311 is provided with rotation handle hole 3111 in the one end that is located outside installation cavity 23.
The positioning bolt 313 is used for realizing the detachable connection of the rotating shaft 311 and the eccentric wheel 312. The outer peripheral surface of the eccentric wheel 312 is provided with a connecting threaded hole, the outer peripheral surface of the eccentric wheel 312 is provided with a hidden groove at the connecting threaded hole, and the outer peripheral surface of the rotating shaft 311 is provided with a connecting threaded groove. The positioning bolt 313 is sequentially screwed in the connecting threaded hole of the eccentric wheel 312 and the connecting threaded groove of the rotating shaft 311, and the head of the positioning bolt 313 is positioned in the hidden groove.
When the far center points of the two eccentric wheels 312 respectively abut against the lower ends of the two positioning columns 33, the upper ends of the lower positioning parts 332 of the two positioning columns 33 extend out of the sliding groove 22.
A limiting component 4 for preventing the positioning column 33 from coming off is arranged between the lower positioning part 332 and the mounting seat 2. The spacing assembly 4 comprises an inner convex ring 42 arranged on the inner wall of the sliding groove 22 and an outer convex ring 41 arranged on the outer peripheral surface of the lower positioning part 332.
The implementation principle of the embodiment is as follows: firstly, a base 1 is fixed on a workbench of a three-coordinate measuring instrument through bolts; then, the rotating shaft 311 is rotated, the rotating shaft 311 drives the eccentric wheel 312 to rotate, the eccentric wheel 312 abuts against the lower end of the positioning column 33, when the far center point of the eccentric wheel 312 abuts against the lower end of the positioning column 33, the upper end of the lower positioning part 332 of the positioning column 33 extends out of the sliding groove 22, at this time, two holes of the cycloidal gear 6 are respectively sleeved on the upper positioning parts 331 of the two positioning columns 33, and the lower surface of the cycloidal gear 6 abuts against the upper ends of the lower positioning parts 332 of the two positioning columns 33; the rotating shaft 311 is rotated again, the rotating shaft 311 drives the eccentric wheel 312 to rotate, the positioning column 33 moves downwards along the sliding groove 22 along with the eccentric wheel 312 until the near-center point of the eccentric wheel 312 abuts against the lower end of the positioning column 33, meanwhile, the cycloidal gear 6 moves downwards along with the lower positioning part 332 of the positioning column 33 until the lower surface of the cycloidal gear 6 abuts against the upper surface of the mounting seat 2, and the cycloidal gear 6 is fixed on the upper surface of the mounting seat 2 through the four magnetic pieces 32.
After the detection of the cycloidal gear 6 is finished, the rotating shaft 311 is rotated, the rotating shaft 311 drives the eccentric wheel 312 to rotate, the positioning column 33 moves upwards along the sliding groove 22, the upper positioning portion 331 of the positioning column 33 completely extends out of the sliding groove 22, then the lower positioning portion 332 of the positioning column 33 drives the cycloidal gear 6 to move upwards by overcoming the suction force of the magnetic piece 32, a gap is generated between the cycloidal gear 6 and the mounting seat 2, and at the moment, the cycloidal gear 6 can be taken down.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a cycloid wheel detects uses location fixing device, includes base (1), its characterized in that: the base (1) is provided with a mounting seat (2), and the mounting seat (2) is provided with a positioning and fixing mechanism (3) for positioning the cycloid wheel.
2. The positioning and fixing device for the detection of the cycloid wheel of claim 1, wherein: the positioning and fixing mechanism (3) comprises at least two magnetic parts (32), at least two positioning columns (33) and a lifting assembly (31) for controlling the lifting of the positioning columns (33); the upper surface of the mounting seat (2) is provided with mounting grooves (21), the magnetic pieces (32) correspond to the mounting grooves (21) one by one, and the magnetic pieces (32) are mounted in the mounting grooves (21); the upper surface of the mounting seat (2) is provided with a sliding groove (22), and the positioning column (33) is placed in the sliding groove (22).
3. The positioning and fixing device for the detection of the cycloid wheel as claimed in claim 2, wherein: an installation cavity (23) located below the sliding groove (22) is formed in the installation seat (2), and the installation cavity (23) is communicated with the sliding groove (22); the lifting assembly (31) comprises an eccentric wheel (312) arranged in the mounting cavity (23) and a rotating shaft (311) connected with the eccentric wheel (312), a rotating hole is formed in the side wall of the mounting seat (2), the rotating hole is communicated with the mounting cavity (23), and the rotating shaft (311) penetrates through the rotating hole and is rotatably connected with the mounting seat (2); the eccentric wheel (312) far away the central point butt the lower extreme of reference column (33), the upper end of reference column (33) stretches out glide groove (22).
4. The positioning and fixing device for the detection of the cycloid wheel as claimed in claim 3, wherein: the positioning column (33) comprises an upper positioning part (331) and a lower positioning part (332), and the cross-sectional area of the upper positioning part (331) is smaller than that of the lower positioning part (332); the eccentric wheel (312) is in contact with the lower end of the positioning column (33) at the center of the eccentric wheel, and the upper end of the lower positioning part (332) extends out of the sliding groove (22).
5. The positioning and fixing device for the detection of the cycloid wheel as claimed in claim 3, wherein: and a limiting component (4) for preventing the positioning column (33) from being separated is arranged between the positioning column (33) and the mounting seat (2).
6. The positioning and fixing device for the detection of the cycloid wheel of claim 5, wherein: the limiting component (4) comprises an inner convex ring (42) arranged on the inner wall of the sliding groove (22) and an outer convex ring (41) arranged on the peripheral surface of the positioning column (33).
7. The positioning and fixing device for the detection of the cycloid wheel as claimed in claim 2, wherein: the magnetic piece (32) is detachably connected with the mounting seat (2).
8. The positioning and fixing device for the detection of the cycloid wheel of claim 7, wherein: connecting holes (321) are formed in the magnetic part (32), a mounting thread groove is formed in the bottom of the mounting groove (21) of the mounting seat (2), and the magnetic part (32) is connected to the mounting seat (2) through mounting bolts (5) in a threaded mode.
9. The positioning and fixing device for the detection of the cycloid wheel of claim 8, wherein: the number of the magnetic members (32) is four.
10. The positioning and fixing device for the detection of the cycloid wheel as claimed in claim 3, wherein: and a rotating operation hole (3111) is formed in one end, located outside the mounting cavity (23), of the rotating shaft (311).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921242343.3U CN210321689U (en) | 2019-08-01 | 2019-08-01 | Positioning and fixing device for cycloidal gear detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921242343.3U CN210321689U (en) | 2019-08-01 | 2019-08-01 | Positioning and fixing device for cycloidal gear detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210321689U true CN210321689U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921242343.3U Active CN210321689U (en) | 2019-08-01 | 2019-08-01 | Positioning and fixing device for cycloidal gear detection |
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| Country | Link |
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| CN (1) | CN210321689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074664A (en) * | 2021-03-29 | 2021-07-06 | 南京工程学院 | Rapid RV reducer cycloid wheel manufacturing error detection system based on imaging technology |
-
2019
- 2019-08-01 CN CN201921242343.3U patent/CN210321689U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074664A (en) * | 2021-03-29 | 2021-07-06 | 南京工程学院 | Rapid RV reducer cycloid wheel manufacturing error detection system based on imaging technology |
| CN113074664B (en) * | 2021-03-29 | 2024-03-26 | 南京工程学院 | RV reducer cycloidal gear manufacturing error rapid detection system based on imaging technology |
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