CN215572571U - Screw guiding rule and screw thread coating thickness measuring device - Google Patents
Screw guiding rule and screw thread coating thickness measuring device Download PDFInfo
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- CN215572571U CN215572571U CN202120993835.7U CN202120993835U CN215572571U CN 215572571 U CN215572571 U CN 215572571U CN 202120993835 U CN202120993835 U CN 202120993835U CN 215572571 U CN215572571 U CN 215572571U
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Abstract
The utility model relates to the technical field of coating thickness measuring devices, and provides a screw guiding rule and a screw coating thickness measuring device, wherein the screw guiding rule comprises a guiding rule body, the guiding rule body comprises a base and a connecting part, and screw threads matched with threads of a workpiece are arranged on the connecting part; the device for measuring the thickness of the thread coating comprises a thread guiding ruler, a workpiece is mounted on the thread guiding ruler, a magnetic seat is arranged at the bottom of the thread guiding ruler, the magnetic seat is mounted on an operating platform, a measuring meter is arranged on the operating platform, and a measuring head of the measuring meter is abutted to the surface of the workpiece. The utility model solves the problems that the thickness of the thread coating of the workpiece is measured mainly by a handheld micrometer at present, and the measurement error is large and the measurement data is inaccurate easily caused during measurement because the thickness of the thread coating is generally thin.
Description
Technical Field
The utility model relates to the technical field of coating thickness measuring devices, in particular to a threaded guiding rule and a threaded coating thickness measuring device.
Background
In some control occasions of key screw thread moment of torsion, in order to guarantee the good nature of screw thread moment of torsion, need scribble the coating on the screw thread, measure mainly through handheld micrometer to the measurement of screw thread coating thickness at present, because the thickness of screw thread coating is generally thinner, it is great to appear measuring error easily when measuring, the inaccurate problem of measured data.
Therefore, the development of the screw guiding rule and the screw coating thickness measuring device has urgent research value and also has good economic benefit and industrial application potential.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art indicated above, the utility model provides a screw guiding rule and a screw coating thickness measuring device, so as to solve the problems that the thickness of the screw coating of the current workpiece is measured mainly by a handheld micrometer, and the thickness of the screw coating is generally thin, so that the measurement error is large easily during measurement, and the measurement data is inaccurate.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the utility model provides a screw guiding ruler, includes the guiding ruler body, the guiding ruler body includes base and connecting portion, be equipped with the screw thread looks adaptation of work piece on the connecting portion.
As an improved scheme, the thread teeth are arranged on the connecting part in a single circle.
As an improved scheme, the thread is arranged at one end of the connecting part close to the base.
As an improved scheme, a chamfer angle for leading in is arranged on the periphery of one end, far away from the base, of the connecting part.
The utility model provides a screw thread coating thickness measuring device, includes the screw guiding ruler, install the work piece on the screw guiding ruler, the bottom of screw guiding ruler is provided with the magnetism seat, the magnetism seat is installed on operation platform, the last survey table that is provided with of operation platform, the gauge head of survey table contradict in the surface of work piece.
As an improved scheme, the dial indicator is adopted by the measuring gauge, and a measuring head of the measuring gauge is horizontally arranged.
As an improved scheme, a supporting column is arranged on the operating platform, and the measuring meter is installed on the supporting column through a clamping piece.
After the technical scheme is adopted, the utility model has the beneficial effects that:
the threaded guiding ruler is provided with the connecting part, the connecting part is provided with the screw thread, and the screw thread is matched with the thread of the workpiece, so that the workpiece can be conveniently arranged on the threaded guiding ruler;
the thread is arranged on the connecting part in a single circle, so that the thread of the workpiece to be measured is easy to attach, the measurement error is reduced, and the assembly and disassembly are convenient;
the installation of the workpiece is facilitated by arranging the chamfer;
through setting up the magnetism seat, be convenient for install the screw guiding rule on operation platform, measure through installing the strapping table on operation platform's support column, reduce the error of artifical handheld operation.
In conclusion, the utility model solves the problems that the thickness of the thread coating of the workpiece is measured mainly by a handheld micrometer, and the measurement error is large and the measurement data is inaccurate easily caused by the fact that the thickness of the thread coating is generally thin.
Drawings
FIG. 1 is a schematic view of a partial cross-sectional structure of a screw coating thickness measuring apparatus;
FIG. 2 is a schematic view of a partial cross-sectional structure of the threaded guiding rule;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic diagram of a pre-and post-coating metrology test of a workpiece;
FIG. 5 is a schematic of the geometry of the thread coating
Wherein each numerical designation refers to a particular meaning, element, and/or component, respectively, as follows in the figures.
In the figure: 1. the thread guiding rule comprises a thread guiding rule body, 2, a base, 3, a connecting portion, 4, a thread, 5, a chamfer, 6, a workpiece, 7, a magnetic seat, 8, an operating platform, 9, a measuring gauge, 10, a measuring head, 11, a supporting column, 12, a clamping piece, 13, a datum point, 14 and a thread coating.
Detailed Description
The utility model is further illustrated by the following specific examples. The use and purpose of these exemplary embodiments are to illustrate the present invention, not to limit the actual scope of the present invention in any way, and not to limit the scope of the present invention in any way.
As shown in fig. 1-3, a guiding ruler 1 comprises a guiding ruler body, the guiding ruler body comprises a base 2 and a connecting portion 3, a thread 4 matched with the thread of a workpiece 6 is arranged on the connecting portion 3, the thread 4 is matched with the thread of the workpiece 6, the workpiece 6 can be conveniently mounted on the guiding ruler 1, and meanwhile, the thread 4 is tightly attached to a thread coating 14, so that measuring errors are reduced.
In this embodiment, as shown in fig. 2 and 3, the thread 4 is arranged on the connecting portion 3 in a single turn, and the thread 4 is arranged on the connecting portion 3 in a single turn, so that the thread of the workpiece 6 to be measured can be easily attached to the connecting portion, the measurement error is reduced, and the assembly and disassembly are convenient;
further, the tip end portion of the thread tooth 4 is provided with a reference point 13 for facilitating measurement by the gauge 9.
In this embodiment, as shown in fig. 2, the thread 4 is disposed at one end of the connecting portion 3 close to the base 2.
In this embodiment, as shown in fig. 2, a chamfer 5 for introduction is provided on the periphery of one end of the connecting portion 3 away from the base 2, and the installation of the workpiece 6 is facilitated by providing the chamfer 5.
Referring to fig. 1, 4 and 5, a device for measuring the thickness of a thread coating comprises a thread guiding rule 1, a workpiece 6 is mounted on the thread guiding rule 1, a magnetic seat 7 is arranged at the bottom of the thread guiding rule 1, the magnetic seat 7 is used for adsorbing and fixing the thread guiding rule 1, the magnetic seat 7 is mounted on an operating platform 8, a measuring gauge 9 is arranged on the operating platform 8, the measuring gauge 9 is mounted on a support column 11 of the operating platform 8 for measurement, so that errors of manual handheld operation are reduced, a measuring head 10 of the measuring gauge 9 is abutted against the surface of the workpiece 6, a distance difference in the horizontal direction before and after the coating of the workpiece 6 can be measured by the measuring gauge 9, the thickness of a thread coating 14 of the workpiece 6 is calculated through the angle of a thread 4 and the relation of a geometric triangle, the thickness of the coating can be calculated through the distance difference before and after the coating of the workpiece 6 by the device for measuring the thickness of the thread coating, meanwhile, the distance difference value of the workpiece 6 in the horizontal direction is larger than the thickness of the coating, so that the measurement is easy.
In this embodiment, as shown in fig. 1, a dial indicator is used as the gauge 9, the measuring head 10 of the gauge 9 is horizontally disposed, and the measuring error is reduced by horizontally disposing the measuring head 10.
In this embodiment, as shown in fig. 1, a supporting column 11 is arranged on the operating platform 8, the measuring meter 9 is installed on the supporting column 11 through a clamping piece 12, a clamping groove connected with the supporting column 11 and the measuring meter 9 is formed in the clamping piece 12, a locking knob is arranged near the clamping groove, the measuring meter 9 is fixed through the locking knob, and the position of the measuring meter 9 in the vertical direction is conveniently adjusted.
For ease of understanding, the working process of the present embodiment is given below:
as shown in fig. 1 to 5, firstly, the guiding rule 1 is installed on the magnetic base 7 and fixed;
then, a measuring head 10 of the gauge 9 is abutted against a reference point 13 of the thread 4 on the guiding ruler 1, and a reference positioning point is determined;
then, the workpiece 6 before coating is mounted on the screw guide 1, the screw thread of the workpiece 6 is tightly attached to the thread 4 of the screw guide 1, and the distance dimension before coating is measured by a gauge 9 and recorded as L1;
then, the workpiece 6 is subjected to the spraying treatment, the sprayed workpiece 6 is mounted on the screw guide 1 again, the coated side of the thread on the workpiece 6 is made to abut against the thread 4 of the screw guide 1, and the distance dimension after coating is measured by a gauge 9 and recorded as L2;
the displacement of the workpiece 6 in the horizontal direction is recorded as d, the value of d is L2-L1, the film thickness of the coating is recorded as t, the included angle between d and t is θ, the value of θ is 1/2 the angle of the thread 4, the relationship between t and d is: t ═ d × sin θ, from which the thickness of the coating was calculated.
In conclusion, the utility model solves the problems that the thickness of the thread coating of the workpiece is measured mainly by a handheld micrometer, and the measurement error is large and the measurement data is inaccurate during measurement because the thickness of the thread coating is generally thin.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should also be understood that various alterations, modifications and/or variations can be made to the present invention by those skilled in the art after reading the technical content of the present invention, and all such equivalents fall within the protective scope defined by the claims of the present application.
Claims (7)
1. A screw guiding rule is characterized in that: the guiding rule comprises a guiding rule body, wherein the guiding rule body comprises a base and a connecting part, and screw teeth matched with the threads of a workpiece are arranged on the connecting part.
2. A threaded guide according to claim 1, wherein: the thread teeth are arranged on the connecting part in a single circle.
3. A threaded guide according to claim 1, wherein: the screw thread is arranged at one end, close to the base, of the connecting part.
4. A threaded guide according to claim 1, wherein: and a chamfer angle for leading in is arranged on the periphery of one end of the connecting part, which is far away from the base.
5. A device for measuring the thickness of a thread coating is characterized in that: the screw guiding rule comprises a screw guiding rule according to any one of claims 1-4, wherein a workpiece is mounted on the screw guiding rule, a magnetic seat is arranged at the bottom of the screw guiding rule, the magnetic seat is mounted on an operating platform, a measuring gauge is arranged on the operating platform, and a measuring head of the measuring gauge abuts against the surface of the workpiece.
6. A thread coating thickness measuring device according to claim 5, wherein: the dial indicator is adopted by the measuring gauge, and a measuring head of the measuring gauge is horizontally arranged.
7. A thread coating thickness measuring device according to claim 5, wherein: the operation platform is provided with a support column, and the measuring meter is installed on the support column through a clamping piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120993835.7U CN215572571U (en) | 2021-05-11 | 2021-05-11 | Screw guiding rule and screw thread coating thickness measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120993835.7U CN215572571U (en) | 2021-05-11 | 2021-05-11 | Screw guiding rule and screw thread coating thickness measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215572571U true CN215572571U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120993835.7U Active CN215572571U (en) | 2021-05-11 | 2021-05-11 | Screw guiding rule and screw thread coating thickness measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215572571U (en) |
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2021
- 2021-05-11 CN CN202120993835.7U patent/CN215572571U/en active Active
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