CN212585646U - Screw thread straightness and concentricity measurement tool that hangs down - Google Patents
Screw thread straightness and concentricity measurement tool that hangs down Download PDFInfo
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- CN212585646U CN212585646U CN202021390263.5U CN202021390263U CN212585646U CN 212585646 U CN212585646 U CN 212585646U CN 202021390263 U CN202021390263 U CN 202021390263U CN 212585646 U CN212585646 U CN 212585646U
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Abstract
The utility model discloses a screw thread straightness and concentricity measurement tool that hangs down, a serial communication port, include: a jig body and an assembly member; the jig body is sequentially provided with a standard screw thread, a main body and a fixed seat from top to bottom; the assembly part mainly comprises a reference plate, a positioning hole and a boss at the bottom; the surface of the reference plate is provided with a groove, and the positioning hole is arranged at the center of the groove; the inner wall of the boss is provided with an internal thread, and the internal thread is matched with an external thread on a standard thread. Compared with the prior art, utilize the utility model discloses a smelting tool assembly is good the back, and the smelting tool top surface is controlled in the thread straightness tolerance that hangs down with the plane degree tolerance of the piece bottom surface that awaits measuring to the smelting tool can not rock with the good back product of the piece spiral that awaits measuring, has managed and controlled the product, has improved the equipment yield simultaneously.
Description
Technical Field
The utility model relates to a screw tooth hangs down straightness and concentricity detects technical field, and more specifically the utility model relates to a screw tooth hangs down straightness and concentricity measurement tool that says so.
Background
After the workpiece is machined, the concentricity and the verticality of the thread hole on the workpiece relative to the hole need to be detected. In the prior art, the concentricity of a thread hole relative to a hole is measured by a special checking fixture with a watch or a three-dimensional measurement. When the three-dimensional measurement is used to measure the thread, the thread peak of the three-dimensional probe point will have errors, resulting in inaccurate measurement. The special gauge with the watch is accurate in use amount, but the gauge is high in cost, and a professional is required to operate and use the gauge.
Therefore, it is an urgent need to solve the above-mentioned problems by those skilled in the art to provide a tool for measuring perpendicularity and concentricity of screw threads.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to provide a screw thread straightness and concentricity measurement tool that hangs down, its screw thread that can effectual management and control the product hang down straightness and screw thread true roundness, ensure that it is in 0.002 mm.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a screw tooth straightness and concentricity measurement tool that hangs down which characterized in that includes: a jig body and an assembly member; the jig body is sequentially provided with a standard screw thread, a main body and a fixed seat from top to bottom; the assembly part mainly comprises a reference plate, a positioning hole and a boss at the bottom; the surface of the reference plate is provided with a groove, and the positioning hole is arranged at the center of the groove; the inner wall of the boss is provided with an internal thread, and the internal thread is matched with an external thread on a standard thread.
Preferably, in the screw thread perpendicularity and concentricity measuring jig, a cover is installed on the reference plate, and positioning grooves are formed in the periphery of the cover.
Preferably, in the screw thread straightness and concentricity measurement tool that hangs down of above-mentioned, the reference plate lateral wall on with the linking department of recess bottom is equipped with the screens, the screens is fixed with the locating hole joint on the lid.
Preferably, in the tool for measuring the perpendicularity and the concentricity of the screw thread, a plurality of convex edges are arranged on the outer side of the fixing seat.
Preferably, in the screw thread straightness and concentricity measurement tool that hangs down of above-mentioned, the fixing base bottom is equipped with parallel fixed plate center is equipped with a round hole, be equipped with a plurality of recesses in the round hole, protruding stupefied and recess cooperation locking are fixed, and the fixing base that makes and parallel fixed plate's straightness that hangs down is within 0.005 mm.
Preferably, in the screw thread straightness and concentricity measurement tool that hangs down of above-mentioned, benchmark board both sides all are equipped with a locating hole, install the support column in the reference column, the cooperation of support column bottom has the locating plate.
Preferably, in the tool for measuring perpendicularity and concentricity of the screw thread, a cylinder is arranged at the center of the top end of the screw thread to be measured.
Preferably, in the tool for measuring perpendicularity and concentricity of the screw thread, after installation, the cylinder and the positioning part are located on the same plane to form a concentric circle, and the parallelism between the cylinder and the positioning part is within 0.002 mm.
Preferably, in the screw thread perpendicularity and concentricity measuring jig, the main body and the fixing seat are designed into an integral structure.
Preferably, in the screw thread perpendicularity and concentricity measuring jig, the main body and the fixed seat are of an inserting structure, the main body is inserted into the fixed seat, and the main body can be replaced at will.
According to the technical scheme, compared with the prior art, after the smelting tool of the utility model is assembled, the flatness tolerance of the top surface of the smelting tool and the bottom surface of the piece to be tested is controlled within the thread verticality tolerance, and the product can not rock after the smelting tool and the piece to be tested are screwed, so that the product is controlled, and the assembly yield is improved;
additionally, through the utility model discloses a batch production accessory, convenient and fast can be realized to the smelting tool.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of an assembly structure of the present invention.
Fig. 2 is a top view of the assembly structure of the present invention.
Fig. 3 is a schematic view of the structure of the jig body of the present invention.
Fig. 4 is a schematic view of the structure of the parallel fixing plate of the present invention.
Fig. 5 is a schematic structural diagram of the assembly of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses reality 1-4, do the utility model discloses a screw tooth straightness and concentricity measurement tool that hangs down specifically includes:
a jig body and an assembly member; the jig body is sequentially provided with a standard screw thread 4, a main body 5 and a fixed seat 6 from top to bottom; the assembly part mainly comprises a reference plate 1, a positioning hole 2 and a boss 3 at the bottom; a groove 11 is formed in the surface of the reference plate 1, and the positioning hole 2 is arranged in the center of the groove 11; the inner wall of the boss 3 is provided with an internal thread 31, and the internal thread 31 is matched with an external thread 4 on the piece to be measured.
In order to further optimize the above technical solution, a cover (not shown) is installed on the reference plate 1, and positioning grooves are formed in the inner portion of the periphery of the cover.
In order to further optimize the technical scheme, a clamping position 13 is arranged at the joint of the side wall of the reference plate 1 and the bottom of the groove and is clamped and fixed with a positioning hole in the cover.
In order to further optimize the above technical solution, the jig further includes: a plurality of convex ribs 61 are arranged on the outer side of the fixed seat 6.
In order to further optimize the technical scheme, the bottom of the fixing seat 6 is provided with a parallel fixing plate 8, the center of the parallel fixing plate is provided with a round hole, a plurality of grooves 81 are arranged in the round hole, the convex ribs are matched and locked with the grooves, and the verticality of the fixing seat and the parallel fixing plate is within 0.005 mm.
In order to further optimize the technical scheme, two sides of the reference plate 1 are provided with positioning holes 12, supporting columns (not shown in the figure) are installed in the positioning columns, positioning plates are matched with the bottoms of the supporting columns, and the perpendicularity of the supporting columns and the positioning plates is within 0.002 mm.
In order to further optimize the technical scheme, a cylinder 7 is arranged at the center of the top end of the thread main body 5, as shown in fig. 2, after installation, the cylinder 7 and the positioning part are located on the same plane to form a concentric circle, and the parallelism between the cylinder and the positioning part is within 0.002 mm.
In order to further optimize the technical scheme, the parallelism between the top surface of the jig body and the bottom surface of the piece to be detected is within 0.002 mm.
In order to further optimize the technical scheme, the main body and the fixing seat are designed into an integral structure
In order to further optimize the technical scheme, the main body and the fixing seat are arranged into an inserting structure, the main body is inserted into the fixing seat, and the main body can be replaced at will.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a screw tooth straightness and concentricity measurement tool that hangs down which characterized in that includes: a jig body and an assembly member; the jig body is sequentially provided with a standard screw thread, a main body and a fixed seat from top to bottom; the assembly part mainly comprises a reference plate, a positioning hole and a boss at the bottom; the surface of the reference plate is provided with a groove, and the positioning hole is arranged at the center of the groove; the inner wall of the boss is provided with an internal thread, and the internal thread is matched with an external thread on a standard thread.
2. The jig for measuring the perpendicularity and the concentricity of the screw threads as claimed in claim 1, wherein a cover is mounted on the reference plate, and positioning grooves are formed in the periphery of the cover.
3. The jig for measuring the perpendicularity and the concentricity of the screw threads as claimed in claim 2, wherein a clamping position is arranged at a joint of the side wall of the reference plate and the bottom of the groove, and the clamping position is clamped and fixed with a positioning hole in the cover.
4. The jig for measuring the perpendicularity and the concentricity of the screw threads as claimed in claim 1, wherein a plurality of convex ridges are arranged on the outer side of the fixing seat.
5. The jig for measuring the perpendicularity and the concentricity of the screw threads as claimed in claim 4, wherein the bottom of the fixing seat is provided with a parallel fixing plate, a round hole is formed in the center of the parallel fixing plate, a plurality of grooves are formed in the round hole, and the convex edge is matched with the grooves to be locked and fixed, so that the perpendicularity of the fixing seat and the parallel fixing plate is within 0.005 mm.
6. The jig for measuring the perpendicularity and the concentricity of the screw threads as claimed in claim 1, wherein a positioning hole is formed in each of two sides of the reference plate, a supporting column is installed in each positioning hole, and a positioning plate is matched with the bottom of each supporting column.
7. The jig for measuring the perpendicularity and the concentricity of the screw threads according to claim 1, wherein a cylinder is arranged at the center of the top ends of the standard screw threads.
8. The jig for measuring the perpendicularity and the concentricity of the screw thread according to claim 7, wherein after installation, the cylinder and the positioning part are positioned on the same plane to form a concentric circle, and the parallelism between the cylinder and the positioning part is within 0.002 mm.
9. The tool for measuring the perpendicularity and the concentricity of the screw thread according to claim 1, wherein the main body and the fixing seat are designed as an integral structure.
10. The jig for measuring the perpendicularity and the concentricity of the screw threads as claimed in claim 1, wherein the main body and the fixed seat are arranged in an inserting structure, the main body is inserted into the fixed seat, and the main body can be replaced at will.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021390263.5U CN212585646U (en) | 2020-07-15 | 2020-07-15 | Screw thread straightness and concentricity measurement tool that hangs down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021390263.5U CN212585646U (en) | 2020-07-15 | 2020-07-15 | Screw thread straightness and concentricity measurement tool that hangs down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212585646U true CN212585646U (en) | 2021-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021390263.5U Active CN212585646U (en) | 2020-07-15 | 2020-07-15 | Screw thread straightness and concentricity measurement tool that hangs down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212585646U (en) |
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2020
- 2020-07-15 CN CN202021390263.5U patent/CN212585646U/en active Active
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