CN218916128U - Measuring mechanism for roller arc groove position - Google Patents
Measuring mechanism for roller arc groove position Download PDFInfo
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- CN218916128U CN218916128U CN202222947472.0U CN202222947472U CN218916128U CN 218916128 U CN218916128 U CN 218916128U CN 202222947472 U CN202222947472 U CN 202222947472U CN 218916128 U CN218916128 U CN 218916128U
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- measuring
- arc groove
- circular arc
- dial indicator
- roller
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Abstract
The utility model discloses a measuring mechanism for the position of a roller arc groove, wherein an arc groove is formed in a roller workpiece, and the measuring mechanism comprises: the diameter of the measuring standard rod is matched with the inner diameter of the circular arc groove, and the measuring standard rod is arranged in the circular arc groove; the fixing frame is arranged on the roller workpiece and the outer shaft body of the arc groove; the dial indicator is characterized in that a sleeve of the dial indicator is fixed with the fixing frame, the position of the sleeve is parallel to the axis of the roller workpiece, and the front end of a measuring head of the dial indicator exceeds the front end of the fixing frame and is 0 scale when the front end of the dial indicator and the front end of the fixing frame are located on the same vertical plane. When the measuring mechanism is used for measuring the position of the circular arc groove, the standard rod and the dial indicator are respectively stabilized by the left hand and the right hand, the standard rod is not easy to incline, the measuring difficulty is lower, and the measuring result is more accurate.
Description
Technical Field
The utility model relates to the technical field of mechanical measurement, in particular to a measuring mechanism for the position of a roller arc groove.
Background
The rolling shaft is an important part of the hob, and when the arc groove on the rolling shaft is processed, the axial position of the arc groove is obtained by converting the distance from the standard rod to a certain step on the rolling shaft according to the digital display depth gauge measurement. In the measuring process, a single hand is required to press the standard rod and the base of the digital display depth gauge simultaneously, so that the standard rod is easy to deflect, and the measuring data is inaccurate. Even if the three-coordinate measuring instrument is equipped, the machining equipment is taken down for measurement and then clamped again for continuous machining, so that the labor intensity of workers is increased, and the secondary machining precision is difficult to ensure.
Therefore, there is a need in the art for a convenient and quick online measurement tool that solves the above-mentioned online measurement problems.
Disclosure of Invention
The utility model aims to: in order to overcome the defects of the background technology, the utility model discloses a measuring mechanism for the position of a roller arc groove, which is simple to operate and can realize online measurement.
The technical scheme is as follows: the utility model discloses a measuring mechanism for the position of a circular arc groove of a roller, wherein a circular arc groove is formed in a roller workpiece, and the measuring mechanism comprises:
the diameter of the measuring standard rod is matched with the inner diameter of the circular arc groove, and the measuring standard rod is arranged in the circular arc groove;
the fixing frame is arranged on the roller workpiece and the outer shaft body of the arc groove;
the dial indicator is characterized in that a sleeve of the dial indicator is fixed with the fixing frame, the position of the sleeve is parallel to the axis of the roller workpiece, and the front end of a measuring head of the dial indicator exceeds the front end of the fixing frame and is 0 scale when the front end of the dial indicator and the front end of the fixing frame are located on the same vertical plane.
Further, the axis of the measuring head of the dial indicator and the tangent line of the measuring standard rod and the circular arc groove are positioned on the same plane.
Further, the fixing frame comprises a V-shaped seat and a sleeve clamp, the V-shaped seat is arranged on the roller workpiece, the V-shaped surface of the V-shaped seat is tangent to the outer circle, and the sleeve clamp is fixed on the other surface of the V-shaped seat opposite to the V-shaped surface and clamps the sleeve relatively and horizontally.
Further, the sleeve clamp is longitudinally provided with a plurality of clamping grooves with different heights, and the sleeve clamp is clamped at different heights to meet measurement requirements of different sizes.
Further, the arc groove is separated from the outer circle by arc edge protrusions, the front end of the fixing frame abuts against the protruding tail end of the arc edge protrusions, and at the moment, the front end of the measuring head of the dial indicator abuts against the positive side of the measuring standard rod.
Furthermore, the front end of the measuring head of the dial indicator is of a flat-head structure.
Working principle: the dial indicator is fixed on the fixed clamp through the sleeve clamp, is placed tangentially to the outer circle of the roller through the V-shaped surface and is abutted against the convex edge of the arc edge, the measuring standard rod is placed in the arc groove, the tangent line corresponds to the measuring head of the dial indicator, and therefore the distance between the tail end of the arc edge convex and the standard rod is measured and compared with a theoretical value.
The beneficial effects are that: compared with the prior art, the utility model has the advantages that: when the measuring mechanism is used for measuring the position of the circular arc groove, the standard rod and the dial indicator are respectively stabilized by the left hand and the right hand, the standard rod is not easy to incline, the measuring difficulty is lower, and the measuring result is more accurate.
Drawings
FIG. 1 is a schematic diagram of a measurement configuration of the present utility model;
FIG. 2 is a schematic diagram of the dial indicator clearing of the present utility model.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1, the roller workpiece 1 is provided with an arc groove 2, and the arc groove 2 is separated from the coaxial outer circle a by an arc edge protrusion 201.
The measuring mechanism includes: measurement standard bar 3, mount 4 and percentage table 5.
The diameter of the measuring standard rod 3 is matched with the inner diameter of the circular arc groove 2, and the measuring standard rod is arranged in the circular arc groove 2.
The fixing frame 4 is arranged on the roller workpiece 1 and on the outer shaft body of the circular arc groove 2, and comprises a V-shaped seat 401 and a sleeve clamp 402, the V-shaped seat 401 is arranged on the roller workpiece 1, the V-shaped surface of the V-shaped seat is tangential to the outer circle, the sleeve clamp 402 is fixed on the other surface of the V-shaped seat 401 opposite to the V-shaped surface and clamps the sleeve 501 relatively horizontally, a plurality of clamping grooves with different heights are longitudinally formed in the sleeve clamp 402, the sleeve 501 is clamped at different heights to adapt to measurement requirements of different sizes, the clamping can be performed in various modes, the dismounting is convenient, and during measurement, the front end of the fixing frame 4 abuts against the protruding tail end of the circular arc protrusion 201.
The sleeve 501 of the dial indicator 5 is fixed with the fixed frame 4, the position of the sleeve is parallel to the axis of the roller workpiece 1, the front end of the measuring head of the dial indicator 5 exceeds the front end of the fixed frame 4, and the scale is 0 when the front end of the dial indicator 5 and the front end of the fixed frame 4 are positioned on the same vertical plane, and the axis of the measuring head of the dial indicator 5 and the tangent line of the measuring standard rod 3 and the circular arc groove 2 are positioned on the same plane.
Because the side of the standard rod is the cambered surface, the front end of the measuring head of the dial indicator 5 is of a flat-head structure, and can be an integrally formed flat-head measuring head, or can be directly sleeved with the flat-head measuring head outside the original measuring head, and during measurement, the front end of the measuring head of the dial indicator 5 is propped against the positive side of the standard rod 3.
The using method of the device comprises the following steps:
1. the dial indicator 5 is arranged on the fixed frame 4 and fixed;
2. zero clearing the measuring head of the dial indicator 5 by a standard plane as shown in fig. 2;
3. placing the measuring standard rod 3 in the circular arc groove 2, and lightly pressing;
4. placing the V-shaped surface of the fixing frame 4 on the surface of the outer circle A, moving until the front end of the fixing frame 4 contacts with the arc edge bulge 201, and extruding the measuring head in the moving process;
5. the reading of the dial indicator 5 at this time is the distance from the standard rod to the tail end of the arc edge bulge 201, and then the distance is compared with the theoretical value of the drawing.
Claims (6)
1. The utility model provides a measuring mechanism in roller bearing circular arc groove position, offer circular arc groove (2) on roller bearing work piece (1), its characterized in that, measuring mechanism includes:
the diameter of the measuring standard rod (3) is matched with the inner diameter of the circular arc groove (2), and the measuring standard rod (3) is arranged in the circular arc groove (2);
the fixing frame (4) is arranged on the roller workpiece (1) and the outer shaft body of the arc groove (2);
the dial indicator (5), sleeve (501) of dial indicator (5) is fixed with mount (4), and its position is parallel with the axle center of roller bearing work piece (1), the gauge head front end of dial indicator (5) surpasses the front end of mount (4), and is 0 scale when being located same perpendicular with the front end of mount (4).
2. The mechanism for measuring the position of a circular arc groove of a roller according to claim 1, wherein: the axis of the measuring head of the dial indicator (5) and the tangent line of the measuring standard rod (3) and the arc groove (2) are positioned on the same plane.
3. The mechanism for measuring the position of a circular arc groove of a roller according to claim 1, wherein: the fixing frame (4) comprises a V-shaped seat (401) and a sleeve clamp (402), the V-shaped seat (401) is arranged on the roller workpiece (1), the V-shaped surface of the V-shaped seat is tangent to the outer circle, and the sleeve clamp (402) is fixed on the other surface of the V-shaped seat (401) opposite to the V-shaped surface and clamps the sleeve (501) relatively and horizontally.
4. A mechanism for measuring the position of a circular arc groove of a roller according to claim 3, wherein: the sleeve clamp (402) is longitudinally provided with a plurality of clamping grooves with different heights, and the sleeve (501) is clamped at different heights to adapt to measurement requirements of different sizes.
5. The mechanism for measuring the position of a circular arc groove of a roller according to claim 1, wherein: the arc groove (2) is separated from the outer circle by an arc edge bulge (201), the front end of the fixing frame (4) is propped against the bulge tail end of the arc edge bulge (201), and at the moment, the front end of the measuring head of the dial indicator (5) is propped against the positive side of the measuring standard rod (3).
6. The mechanism for measuring the position of a circular arc groove of a roller according to claim 1, wherein: the front end of the measuring head of the dial indicator (5) is of a flat-head structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222947472.0U CN218916128U (en) | 2022-11-04 | 2022-11-04 | Measuring mechanism for roller arc groove position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222947472.0U CN218916128U (en) | 2022-11-04 | 2022-11-04 | Measuring mechanism for roller arc groove position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218916128U true CN218916128U (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222947472.0U Active CN218916128U (en) | 2022-11-04 | 2022-11-04 | Measuring mechanism for roller arc groove position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218916128U (en) |
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2022
- 2022-11-04 CN CN202222947472.0U patent/CN218916128U/en active Active
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