CN216012076U - Measuring tool for conical surface of main shaft - Google Patents
Measuring tool for conical surface of main shaft Download PDFInfo
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- CN216012076U CN216012076U CN202122514877.0U CN202122514877U CN216012076U CN 216012076 U CN216012076 U CN 216012076U CN 202122514877 U CN202122514877 U CN 202122514877U CN 216012076 U CN216012076 U CN 216012076U
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- measuring
- main shaft
- ring gauge
- conical surface
- gauge body
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Abstract
The utility model provides a measuring tool for a spindle conical surface, which comprises a ring gauge body, two upright posts, an upper measuring rod and a lower measuring rod; the measuring tool of the utility model adopts a relative measurement method to measure and compare the difference value between the measured piece and the standard piece, thereby measuring the diameter and the conicity value of the main shaft of the measured piece; on one hand, the conical surface of the main shaft can be detected on line, the main shaft does not need to be taken down, and workpieces do not need to be frequently loaded and unloaded, so that the production efficiency is improved, and the repeated positioning error of the workpieces is also avoided; on the other hand, the inner diameter of the ring gauge body of the measuring tool is larger than the diameter of the large end of the main shaft, and the inner wall surface of the ring gauge body is not in contact with the conical surface of the main shaft during measurement, so that the abrasion of the ring gauge body is avoided; on the other hand, the upper measuring rod and the lower measuring rod can simultaneously measure two positions of the conical surface of the main shaft, so that a detection result can be directly and visually obtained, and system errors and human errors caused by repeated measurement are reduced.
Description
Technical Field
The utility model relates to a measuring tool of main shaft conical surface belongs to machine part and measures technical field.
Background
In the machine manufacturing industry, machine tools (e.g., numerically controlled machine tools) are important machining devices and are widely used. The precision requirement of the prior art for parts of machine tools, particularly key parts such as spindles, is more and more strict.
In the production and processing of the main shaft, the diameter size of the large end of the conical surface of the main shaft and the angle of the conical surface need to be controlled. The traditional method in the past is to use a conical ring gauge with the inner diameter consistent with the parameters of a workpiece to be measured to carry out color grinding inspection on the conical ring gauge, and measure the distance between the bottom surface of the ring gauge and the large end surface of the conical surface of a main shaft to realize the measurement of the angle and the size; briefly, firstly, red lead powder is coated on the inner conical surface of a ring gauge, the contact area of the conical surface is detected, then the distance from the end surface of the ring gauge to the conical surface of a main shaft is measured by a vernier caliper, and the diameter size of the large end of the conical surface of the main shaft is calculated manually. The method can not carry out on-line detection on the processing machine tool, and the workpiece is required to be dismounted from the processing machine tool to be detected each time of detection, and the abrasion condition of the ring gauge influences the detection result; in addition, the color grinding inspection has a certain relation with the manipulations and skill levels of the inspectors, errors are more frequent, the quantification is difficult, and the judgment result and the production efficiency are easily influenced.
Disclosure of Invention
In order to solve the above technical problem, the utility model provides an aspect provides a measuring tool of the conical surface of main shaft, wherein, measuring tool includes:
the inner diameter of the ring gauge body is larger than the diameter of the large end of the main shaft;
the two stand columns are symmetrically arranged on the upper surface of the ring gauge body and are parallel to the central axis of the ring gauge body; and the number of the first and second groups,
the upper measuring rod and the lower measuring rod are arranged on the two upright posts;
the upper measuring rod and the lower measuring rod are vertically arranged and transversely move relative to the respective upright posts.
Preferably, the measuring tool comprises two lower measuring rods which are respectively and symmetrically arranged on the two upright posts, wherein a diameter measuring meter is arranged on one of the lower measuring rods; the measuring tool further comprises an upper measuring rod which is arranged on one of the upright posts and is provided with an angle measuring meter.
Preferably, the two lower measuring rods are fixed supporting points during measurement.
Preferably, the diameter measuring gauge and the angle measuring gauge are dial gauges.
The utility model provides a measuring tool for a spindle conical surface, which comprises a ring gauge body, two upright posts, an upper measuring rod and a lower measuring rod; the measuring tool of the utility model adopts a relative measurement method to measure and compare the difference value between the measured piece and the standard piece, thereby measuring the diameter and the conicity value of the main shaft of the measured piece; on one hand, the conical surface of the main shaft can be detected on line, the main shaft does not need to be taken down, and workpieces do not need to be frequently loaded and unloaded, so that the production efficiency is improved, and the repeated positioning error of the workpieces is also avoided; on the other hand, the inner diameter of the ring gauge body of the measuring tool is larger than the diameter of the large end of the main shaft, and the inner wall surface of the ring gauge body is not in contact with the conical surface of the main shaft during measurement, so that the abrasion of the ring gauge body is avoided; on the other hand, the upper measuring rod and the lower measuring rod can simultaneously measure two positions of the conical surface of the main shaft, the detection result (the diameter and the conicity value of the main shaft of the measured part) can be directly and visually obtained, and the system error and the human error caused by repeated measurement are reduced.
Drawings
Fig. 1 is a schematic cross-sectional view of a measuring tool according to embodiment 1 of the present invention when measuring a standard component or a measured workpiece;
fig. 2 is a top view of the measuring tool according to embodiment 1 of the present invention when measuring a standard component or a workpiece to be measured.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted.
The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In some instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the invention.
Example 1
As shown in fig. 1 and 2, embodiment 1 of the present invention provides a measuring tool for measuring a spindle taper surface, which includes a ring gauge body 10, two columns 20, an upper measuring rod 30, and a lower measuring rod 40.
The ring gauge body 10 is sleeved on the main shaft 1 during measurement; generally, when measuring, the interface between the conical surface part of the end part of the main shaft and the cylindrical part (not shown) of the main shaft is used as a reference plane Z, the ring gauge body 10 is sleeved on the main shaft 1, the bottom end surface of the ring gauge body 10 is made to coincide with the reference plane Z, and the central axis X of the ring gauge body 10 is made to coincide with the central axis of the main shaft 1; as shown in fig. 1 and 2.
In a specific embodiment of the present invention, the inside diameter of the ring gauge body 10 is larger than the large end diameter D of the main shaft 1; the two upright columns 20 are symmetrically arranged on the upper surface of the ring gauge body 10 and are parallel to a central axis X of the ring gauge body 10; the upper measuring stick 30 and the lower measuring stick 40 are vertically disposed and laterally moved with respect to the respective columns 20.
By adopting the measuring tool 100 with the structure, on one hand, the conical surface of the main shaft 1 can be detected on line, the main shaft 1 does not need to be taken down, and workpieces do not need to be frequently loaded and unloaded, so that the production efficiency is improved, and the repeated positioning error of the workpieces is also avoided; on the other hand, the inner diameter of the ring gauge body 10 is larger than the diameter D of the large end of the main shaft 1, and when the ring gauge is measured, the inner wall surface of the ring gauge body 10 is not in contact with the conical surface of the main shaft 1, so that the abrasion of the ring gauge body 10 is avoided; on the other hand, the upper measuring rod 30 and the lower measuring rod 40 can measure two positions of the conical surface of the main shaft simultaneously, so that a detection result can be directly and intuitively obtained, and system errors and human errors caused by repeated measurement are reduced.
In the present embodiment, as shown in fig. 1 and 2, the measuring tool 100 includes two lower measuring rods 40, which are symmetrically disposed on the two columns 20, respectively, wherein a diameter measuring gauge 41 is mounted on one of the lower measuring rods 40; the measuring tool 100 further comprises an upper measuring rod 30, which is arranged on one of the uprights 20 and is provided with an angle measuring gauge 31.
The actual detection steps are as follows:
step 1), firstly, preparing a standard part which is identified to have standard large end size and conical surface angle and meet the process requirements or have negligible error;
step 2), as shown in fig. 1 and 2, the measuring tool 100 of the present invention is sleeved on the standard component, so that the bottom surface of the ring gauge body 10 coincides with the reference surface Z (the measuring reference surface of the standard component), and the central axis X of the ring gauge body 10 coincides with the central axis of the standard component; then the upper measuring rod 30 and the two lower measuring rods 40 are adjusted to transversely move on the respective upright posts 20 until the upper measuring rod and the two lower measuring rods are abutted against the conical surfaces of the standard parts; at this time, the angle measuring gauge 31 and the diameter measuring gauge 41 are zeroed (adjusted to "0");
step 3), as shown in fig. 1 and 2, sleeving the measurement tool 100 calibrated and zeroed in the step 2) on the workpiece of the measured main shaft 1, so that the central axis X of the ring gauge body 10 coincides with the central axis of the main shaft 1, and the bottom surface of the ring gauge body 10 coincides with the reference plane Z (a limit piece can be sleeved on the main shaft, and the bottom surface of the ring gauge body 10 is supported on the upper surface of the limit piece, so that the bottom surface of the ring gauge body 10 coincides with the reference plane Z), and observing the angle measurement meter 31 and the diameter measurement meter 41;
if the diameter measuring table 41 deviates in the "+" direction, it indicates that the diameter size of the large end of the workpiece to be measured is larger than that of the large end of the standard part, and if the diameter measuring table deviates in the "-" direction, it indicates that the diameter size of the large end of the workpiece to be measured is smaller than that of the large end of the standard part; the specific numerical value can be calculated according to the offset.
If the angle measuring meter 31 deviates towards the direction of plus, the angle (taper) of the conical surface of the workpiece to be measured is smaller than the taper of the standard part, and if the angle measuring meter deviates towards the direction of minus, the taper of the workpiece to be measured is larger than the taper of the standard part; the specific value may also be derived from the offset.
Specifically, in the present embodiment, the angle gauge 31 and the diameter gauge 41 are both dial gauges.
In the present embodiment, for convenience of measurement, two lower measuring rods are generally used as fixed supporting points during measurement.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art. The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (4)
1. A spindle taper measurement tool, comprising:
the inner diameter of the ring gauge body is larger than the diameter of the large end of the main shaft;
the two stand columns are symmetrically arranged on the upper surface of the ring gauge body and are parallel to the central axis of the ring gauge body; and the number of the first and second groups,
the upper measuring rod and the lower measuring rod are arranged on the two upright posts;
the upper measuring rod and the lower measuring rod are vertically arranged and transversely move relative to the respective upright posts.
2. The measurement tool of claim 1, wherein:
the measuring tool comprises two lower measuring rods which are respectively and symmetrically arranged on the two upright posts, wherein a diameter measuring meter is arranged on one lower measuring rod;
the measuring tool further comprises an upper measuring rod which is arranged on one of the upright posts and is provided with an angle measuring meter.
3. The measurement tool of claim 2, wherein:
the two lower measuring rods are fixed supporting points during measurement.
4. The measurement tool of claim 2, wherein:
the diameter measuring gauge and the angle measuring gauge are dial gauges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122514877.0U CN216012076U (en) | 2021-10-19 | 2021-10-19 | Measuring tool for conical surface of main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122514877.0U CN216012076U (en) | 2021-10-19 | 2021-10-19 | Measuring tool for conical surface of main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216012076U true CN216012076U (en) | 2022-03-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122514877.0U Active CN216012076U (en) | 2021-10-19 | 2021-10-19 | Measuring tool for conical surface of main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216012076U (en) |
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2021
- 2021-10-19 CN CN202122514877.0U patent/CN216012076U/en active Active
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