CN216385350U - A elasticity rule for detecting chuck - Google Patents
A elasticity rule for detecting chuck Download PDFInfo
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- CN216385350U CN216385350U CN202122451012.4U CN202122451012U CN216385350U CN 216385350 U CN216385350 U CN 216385350U CN 202122451012 U CN202122451012 U CN 202122451012U CN 216385350 U CN216385350 U CN 216385350U
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Abstract
The utility model discloses a tension gauge for detecting a chuck, which comprises a base body, a first measuring head and a second measuring head, wherein the first measuring head and the second measuring head are positioned at two ends of the base body; a first measuring hole is formed in the center of the first measuring head; a second measuring hole is formed in the center of the second measuring head; the aperture of the first measuring hole is the upper limit of the chuck to be detected after being locked and expanded, and the aperture of the second measuring hole is the lower limit of the chuck to be detected after being locked and expanded; the utility model detects the chuck through the measuring holes at two ends, the aperture of one end is large, the aperture of the other end is small, thereby ensuring that the size of the to-be-detected chuck is still in a specified range after the to-be-detected chuck is locked and expanded, and ensuring that the chuck meets the size requirement.
Description
Technical Field
The utility model relates to a special detection tool for detecting the size of a chuck in machining equipment, in particular to a tightness gauge for detecting the chuck.
Background
In the field of machining, a chuck is used for clamping a workpiece to be machined, the chuck for machining a bearing ring generally consists of a plurality of split chucks, and when the split chucks lock the workpiece to be machined, the upper limit and the lower limit of expansion of the chucks determine the tightness of locking and fixing the workpiece to be machined. Thus, it is desirable that the collet, when locked, meet the dimensional range requirements. In order to guarantee the size of the locked chuck, the size of the locked chuck needs to be detected in the debugging or maintenance process, the conventional detection method is to directly measure by a micrometer, the measuring mode is troublesome to operate and is easily influenced by human factors, if wrong measurement occurs, the chuck which does not meet the size requirement is used for production, the appearance that a workpiece to be processed flies off from the chuck is easily caused, and further serious accidents are easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the existing measuring mode and provide a tool which is convenient for directly detecting the size of a locked chuck.
In order to achieve the purpose, the technical scheme provided by the utility model is as follows:
the utility model provides a tension gauge for detecting a chuck, which comprises a base body, a first measuring head and a second measuring head, wherein the first measuring head and the second measuring head are positioned at two ends of the base body; a first measuring hole is formed in the center of the first measuring head; a second measuring hole is formed in the center of the second measuring head; the aperture of the first measuring hole is the upper limit of the chuck to be detected after being locked and expanded, and the aperture of the second measuring hole is the lower limit of the chuck to be detected after being locked and expanded.
As a further improvement of the utility model, the first measuring head and the second measuring head are detachably connected with the base body.
As a further improvement of the utility model, the hole depth of the first measuring hole and the hole depth of the second measuring hole are both greater than the length of the chuck to be tested.
As a further improvement of the utility model, the first measuring hole, the second measuring hole and the substrate are all coaxial
As a further improvement of the utility model, the base body is provided with knurls.
As a further development of the utility model, the first measuring head and the second measuring head each have flat positions.
As a further improvement of the utility model, the second measuring head is provided with a clamping groove along the radial circumference.
As a preferable scheme of the utility model, the clearance between the aperture of the first measuring hole and the outer diameter of the clamp to be detected after being locked is 0.28 mm; the clearance between the aperture of the second measuring hole and the outer diameter of the clamp to be detected after being locked is 0.2 mm.
By adopting the technical scheme of the utility model, the utility model has the following beneficial effects:
(1) the elasticity gauge for detecting the chuck detects the chuck through the measuring holes at two ends, a gap exists between the measuring hole at one end and the outer diameter of the chuck to be detected after the chuck is locked, a gap does not exist between the measuring hole at the other end and the outer diameter of the chuck to be detected after the chuck is locked, the aperture of one end is large, the aperture of the other end is small, the size of the chuck to be detected is ensured to be within a specified range after the chuck to be detected is locked and expanded, and the elasticity gauge is convenient to operate and use.
(2) The first measuring head and the second measuring head are detachably connected with the base body, and the measuring heads with corresponding specifications can be replaced according to the specification of the chuck to be detected, so that the chuck to be detected is convenient to use in a matched manner.
(3) The elastic gauge for detecting the chuck is provided with the knurls, the flat positions and the clamping grooves, and is convenient to be matched with other auxiliary equipment for use.
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 embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without any inventive work.
FIG. 1 is a schematic structural diagram of the present embodiment;
fig. 2 is another angle structure diagram of fig. 1.
The reference numbers illustrate: 1-substrate, 2-first measuring head, 3-second measuring head, 4-first measuring hole, 5-second measuring hole, 6-knurling, 7-flat position and 8-clamping groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience of description and simplification of the description of the present invention, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the utility model, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, e.g. as a fixed connection, an integral connection, or a detachable connection; may be communication within two elements; the terms may be directly connected or indirectly connected through an intermediate, and specific meanings of the terms in the utility model will be understood by those skilled in the art in specific situations.
Referring to fig. 1-2, the present invention provides a tension gauge for checking a collet, which includes a base 1, and a first measuring head 2 and a second measuring head 3 disposed at both ends of the base 1.
The whole body of the substrate 1 is in a cylindrical structure, and the center of the first measuring head 2 is provided with a first measuring hole 4; a second measuring hole 5 is formed in the center of the second measuring head 3; the aperture of the first measuring hole 4 is the upper limit of the chuck 1 to be detected after being locked and expanded, and the aperture of the second measuring hole 5 is the lower limit of the chuck to be detected after being locked and expanded.
In the present embodiment, when the outer diameter of the chuck to be detected after being locked is the basic size, the gap between the aperture of the first measuring hole 4 and the basic size is 0.28 mm; the gap between the aperture of the second measuring hole 5 and the basic size is 0.2 mm.
The first measuring head 2 and the second measuring head 3 are detachably connected with the base body 1, so that the tightness gauge provided by the embodiment of the utility model can be conveniently applied to detection of chucks of other specifications, and when the tightness gauge is used, the first measuring head 2 and the second measuring head 3 at two ends of the base body 1 can be directly replaced.
The hole depth of the first measuring hole 4 and the hole depth of the second measuring hole 5 are both larger than the length of the chuck to be detected, so that the end part of the chuck is ensured not to deform in the measuring process.
The first measuring hole, the second measuring hole and the base body are coaxial, so that the elastic gauge is stable and durable and does not deform.
Be equipped with annular knurl 6 on the base member 1, all have flat position 7 on first measuring head 2 and the second measuring head 3, be equipped with draw-in groove 8 along its radial a week on the second measuring head 3. Knurling 6 has skid-proof effect in the use, and the auxiliary tool centre gripping elasticity rule of being convenient for is pressed from both sides to flat position 7 and draw-in groove 8.
When the device is used, a chuck to be detected is sleeved in the first measuring hole 4, the chuck is sleeved in the first measuring hole 4 with a length of more than 1/2, the chuck is locked to expand by virtue of the structure of the chuck, a gap is reserved between the first measuring hole 4 and the expanded chuck, and the first measuring hole 4 can be taken down by rotating; then the second measuring hole 5 is sleeved with the chuck to be detected again, the chuck with the length of more than 1/2 is sleeved into the second measuring hole 5, the chuck is locked to expand, the second measuring hole 5 and the expanded chuck have no clearance, and the chuck cannot be taken down when the second measuring hole 5 is rotated, which indicates that the chuck to be detected meets the size requirement.
Claims (8)
1. A elasticity rule for detecting chuck, its characterized in that: the measuring device comprises a base body, a first measuring head and a second measuring head, wherein the first measuring head and the second measuring head are positioned at two ends of the base body; a first measuring hole is formed in the center of the first measuring head; a second measuring hole is formed in the center of the second measuring head; the aperture of the first measuring hole is the upper limit of the chuck to be detected after being locked and expanded, and the aperture of the second measuring hole is the lower limit of the chuck to be detected after being locked and expanded.
2. The slack gauge for inspecting chucks of claim 1, wherein: the first measuring head and the second measuring head are detachably connected with the base body.
3. The slack gauge for inspecting chucks of claim 1 or 2, wherein: the hole depth of the first measuring hole and the hole depth of the second measuring hole are both larger than the length of the chuck to be detected.
4. The slack gauge for inspecting chucks of claim 3, wherein: the first measuring hole, the second measuring hole and the base body are coaxial.
5. The slack gauge for inspecting chucks of claim 4, wherein: and knurling is arranged on the base body.
6. The slack gauge for inspecting chucks of claim 5, wherein: the first measuring head and the second measuring head are both provided with flat positions.
7. The slack gauge for inspecting chucks of claim 6, wherein: and a clamping groove is formed in the second measuring head along the radial circumference of the second measuring head.
8. The slack gauge for inspecting chucks of claim 7, wherein: the clearance between the aperture of the first measuring hole and the outer diameter of the clamp to be detected after being locked is 0.28 mm; and the clearance between the aperture of the second measuring hole and the outer diameter of the clamp to be detected after being locked is 0.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122451012.4U CN216385350U (en) | 2021-10-12 | 2021-10-12 | A elasticity rule for detecting chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122451012.4U CN216385350U (en) | 2021-10-12 | 2021-10-12 | A elasticity rule for detecting chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216385350U true CN216385350U (en) | 2022-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122451012.4U Active CN216385350U (en) | 2021-10-12 | 2021-10-12 | A elasticity rule for detecting chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216385350U (en) |
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2021
- 2021-10-12 CN CN202122451012.4U patent/CN216385350U/en active Active
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