CN212363007U - Calibrating device for screw micrometer - Google Patents
Calibrating device for screw micrometer Download PDFInfo
- Publication number
- CN212363007U CN212363007U CN202021011780.7U CN202021011780U CN212363007U CN 212363007 U CN212363007 U CN 212363007U CN 202021011780 U CN202021011780 U CN 202021011780U CN 212363007 U CN212363007 U CN 212363007U
- Authority
- CN
- China
- Prior art keywords
- micrometer
- coaxiality
- sleeve
- mandrel
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a thread micrometer calibrating device, which belongs to the technical field of micrometer calibration, and comprises a micrometer frame, wherein the left side surface and the right side surface of the inner side wall of a U-shaped groove on the micrometer frame are respectively and movably provided with a measuring anvil sleeve and a micrometer screw rod, the positions of the micrometer frame just opposite to the measuring anvil sleeve and the micrometer screw rod are respectively provided with a measuring anvil sleeve locking device and a micrometer screw rod locking device, the micrometer frame is also provided with a heat insulation device, the right side of the micrometer frame is provided with a micro-cylinder through a fixed sleeve, the right side of the micro-cylinder is provided with a force measuring device, and the micrometer frame is also provided with a special coaxiality gauge; the special coaxiality gauge is formed by arranging the mandrel and the bearing, the two end faces of the special coaxiality gauge are used as references, the special coaxiality gauge is used for detecting the coaxiality of the replaceable ball measuring head mounting holes in the micrometric screw rod and the measuring anvil sleeve of the gear micrometer, the two coaxiality can be ensured, the accuracy and the stability of coaxiality measurement are further improved, and the detection blank is solved.
Description
Technical Field
The utility model belongs to the technical field of the micrometer examination, concretely relates to screw micrometer calibrating installation.
Background
Along with the progress of society and the rapid development of industry, the requirements on the accuracy and the measuring precision of the gear micrometer measuring tool in the production and the use of enterprises are higher and higher, the state does not have corresponding national metrological verification regulations and metrological calibration regulations to uniformly standardize the detection technology and the calibration method at present, the coaxiality items of the mounting holes of the replaceable ball measuring head on the micrometer screw rod and the measuring anvil sleeve of the gear micrometer are often ignored and not done, therefore, the problem of indicating value error is often out of tolerance when the item of indicating value error is detected, the coaxiality error of the mounting holes of the two spherical replaceable measuring heads is just one of the main reasons causing the indicating value error to be out of tolerance, and in order to standardize the detection technology and the detection method, the item of detecting the coaxiality of the mounting holes of the replaceable spherical measuring heads on the micrometer screw rod and the measuring anvil sleeve must be added, the method plays an important role in the accuracy and reliability of the detection of the comprehensive error of the gear micrometer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a micrometer screw calibrating installation to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a screw micrometer calibrating installation, includes the chi frame, the left and right sides face difference movable mounting of U-shaped inslot lateral wall has anvil cover and micrometer screw rod on the chi frame, just be provided with anvil cover locking device and micrometer screw rod locking device respectively to the position of anvil cover and micrometer screw rod on the chi frame, still install heat-proof device on the chi frame, the micro-section of thick bamboo is installed through fixed sleeving on the right side of chi frame, the right side of micro-section of thick bamboo is provided with measuring force device, still be provided with the special gauge of axiality on the chi frame, the special gauge of axiality mainly comprises dabber and axle sleeve, axle sleeve fixed connection is at the surface of dabber, the inner wall of the relative one end of anvil cover and micrometer screw rod is laminated mutually.
By adopting the scheme, the special coaxiality gauge is formed by arranging the mandrel and the bearing, the two end faces of the special coaxiality gauge are used as references, the special coaxiality gauge is used for detecting the coaxiality of the micrometer screw rod of the gear micrometer and the replaceable ball measuring head mounting hole on the measuring anvil sleeve, the two coaxiality can be ensured, the accuracy and the stability of coaxiality measurement are further improved, and the detection blank is solved.
In a preferred embodiment, the mandrel is a solid cylinder, and the material of the mandrel is Gcr15 alloy tool steel.
By adopting the scheme, the good comprehensive performance characteristics of Gcr15 alloy tool steel are used as a mandrel to be matched with a shaft sleeve to form the special coaxiality gauge, so that the service life and the structural strength of the special coaxiality gauge are greatly prolonged.
In a preferred embodiment, the hardness of the mandrel is HRC58-62, the sharp corners of the outer contour of the two end faces of the mandrel are blunt C0.5mm, and the coaxiality is 0.002 mm.
By adopting the scheme, the two end faces of the mandrel are subjected to sharp-angle profile chamfering, so that the two ends of the mandrel can be more stable when being respectively inserted into the micrometer screw ball measuring head mounting hole and the measuring anvil sleeve ball measuring head mounting hole.
In a preferred embodiment, the sleeve is made of aluminum alloy, and an operating handle is mounted on the outer surface of the sleeve and provided with a reticulate pattern.
By adopting the scheme, the operation handle is installed on the shaft sleeve, and the reticulate pattern is arranged on the operation handle, so that the purpose of preventing sliding can be achieved, the sliding is avoided, and the operation is convenient.
In a preferred embodiment, the sleeve and the mandrel are manufactured in combination and used in cooperation with each other.
By adopting the scheme, the mandrel and the shaft sleeve which are manufactured by combination are arranged, so that the connection between the mandrel and the shaft sleeve is compact and the connection stability is good.
Compared with the prior art, the beneficial effects of the utility model are that:
this screw micrometer calibrating installation constitutes the special gauge of axiality through setting up dabber and bearing, utilizes the both ends face of the special gauge of axiality as the benchmark for detect the axiality of the removable ball gauge head mounting hole on gear micrometer screw rod and the survey anvil sleeve, and can guarantee two axialities, further improve the accuracy and the stability of axiality measurement, solve this detection blank.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the gauge dedicated for coaxiality of the present invention.
In the figure: 1. measuring an anvil sleeve; 2. a coaxiality special gauge; 3. a micrometer screw; 4. a micrometer screw locking device; 5. fixing the sleeve; 6. a micro-drum; 7. a force measuring device; 8. a ruler frame; 9. a thermal insulation device; 10. a mandrel; 11. a shaft sleeve; 12. an operating handle; 13. anvil sleeve locking device.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.
Referring to fig. 1-2, the utility model provides a micrometer caliper calibrating apparatus, including the ruler frame 8, the left and right sides face of U-shaped groove inside wall on the ruler frame 8 is movable mounting respectively has anvil cover 1 and micrometer screw 3, the position that just faces anvil cover 1 and micrometer screw 3 on the ruler frame 8 is provided with anvil cover locking device 13 and micrometer screw locking device 4 respectively, still install heat-proof device 9 on the ruler frame 8, the right side of ruler frame 8 is installed with micro-tube 6 through fixed sleeve 5, the right side of micro-tube 6 is provided with measuring force device 7, still be provided with special gauge 2 of axiality on the ruler frame 8, special gauge 2 of axiality mainly comprises dabber 10 and axle sleeve 11, dabber 10 specifically is the solid cylinder, the material of dabber 10 specifically is Gcr15 alloy tool steel (see fig. 1 and 2); the good comprehensive performance characteristics of Gcr15 alloy tool steel are used as a mandrel 10 to match with a shaft sleeve 11 to form the special coaxiality gauge 2, so that the service life and the structural strength of the special coaxiality gauge 2 can be greatly prolonged.
The hardness of the mandrel 10 is HRC58-62, the sharp corners of the outer profile of the two end faces of the mandrel 10 are blunt C0.5mm, and the coaxiality is 0.002mm (shown in figures 1 and 2); through carrying out the profile closed angle abate to the both ends face of dabber 10 for dabber 10 both ends can be more stable when inserting micrometer screw rod ball gauge head mounting hole and survey anvil sleeve ball gauge head mounting hole respectively.
The material of the shaft sleeve 11 is specifically aluminum alloy, the outer surface of the shaft sleeve 11 is provided with an operating handle 12, and the operating handle 12 is provided with reticulate patterns (see fig. 1 and 2); through installing operating handle 12 on axle sleeve 11 to be provided with the reticulation on operating handle 12, and then can play the gliding purpose of preventing, avoid skidding, and convenient operation.
The shaft sleeve 11 and the mandrel 10 are manufactured in a combined mode and are matched with each other (see fig. 1 and 2); the mandrel 10 and the shaft sleeve 11 which are manufactured in a combined mode are arranged, so that the connection between the mandrel and the shaft sleeve is compact, and the connection stability is good.
The shaft sleeve 11 is fixedly connected to the outer surface of the mandrel 10, and the inner walls of the opposite ends of the anvil sleeve 1 and the micrometer screw 3 are attached to each other.
When the tool is used, firstly, a micrometer screw 3 ball measuring head and an anvil sleeve 1 ball measuring head on the gear micrometer are pulled out, then two ends of the special coaxiality gauge 2 are respectively inserted into a micrometer screw ball measuring head mounting hole and an anvil sleeve ball measuring head mounting hole, and then whether a gap on hand feeling exists is observed to judge a gap error existing in the coaxiality of the replaceable ball measuring head mounting holes on the micrometer screw 3 and the anvil sleeve 1, and the special tool is mainly used for detecting the coaxiality of the micrometer screw 3 and the replaceable ball measuring head mounting holes on the anvil sleeve 1 of the gear micrometer.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a screw micrometer calibrating installation, includes chi frame (8), its characterized in that: the left side surface and the right side surface of the inner side wall of the U-shaped groove on the ruler frame (8) are respectively and movably provided with an anvil sleeve (1) and a micrometer screw (3), the position of the ruler frame (8) opposite to the measuring anvil sleeve (1) and the micrometer screw (3) is respectively provided with a measuring anvil sleeve locking device (13) and a micrometer screw locking device (4), the ruler frame (8) is also provided with a heat insulation device (9), the right side of the ruler frame (8) is provided with a micro-drum (6) through a fixed sleeve (5), a force measuring device (7) is arranged on the right side of the micro-cylinder (6), a special coaxiality gauge (2) is also arranged on the gauge frame (8), the coaxiality special gauge (2) mainly comprises a mandrel (10) and a shaft sleeve (11), the shaft sleeve (11) is fixedly connected to the outer surface of the mandrel (10), and the inner walls of the opposite ends of the measuring anvil sleeve (1) and the micrometer screw (3) are attached to each other.
2. The micrometer calibrating device according to claim 1, wherein: the mandrel (10) is a solid cylinder, and the material of the mandrel (10) is Gcr15 alloy tool steel.
3. The micrometer calibrating device according to claim 1, wherein: the hardness of the mandrel (10) is HRC58-62, and the sharp corners of the outer profile of the two end faces of the mandrel (10) are blunt C0.5mm and the coaxiality is 0.002 mm.
4. The micrometer calibrating device according to claim 1, wherein: the material of axle sleeve (11) specifically is the aluminum alloy, the surface mounting of axle sleeve (11) has operating handle (12), be provided with the reticulation on operating handle (12).
5. The micrometer calibrating device according to claim 1, wherein: the shaft sleeve (11) and the mandrel (10) are manufactured in a combined mode and are matched with each other for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021011780.7U CN212363007U (en) | 2020-06-05 | 2020-06-05 | Calibrating device for screw micrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021011780.7U CN212363007U (en) | 2020-06-05 | 2020-06-05 | Calibrating device for screw micrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212363007U true CN212363007U (en) | 2021-01-15 |
Family
ID=74152707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021011780.7U Expired - Fee Related CN212363007U (en) | 2020-06-05 | 2020-06-05 | Calibrating device for screw micrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212363007U (en) |
-
2020
- 2020-06-05 CN CN202021011780.7U patent/CN212363007U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105180877B (en) | Mechanical part inner bore adjacent sinking groove spacing metering measuring tool | |
| CN201715974U (en) | Checking tool for hole position | |
| CN201772837U (en) | Multifunctional detection plug for car body stamping part check tool | |
| CN201378040Y (en) | Stator/rotor air-gap measurement instrument for synchronous motor | |
| CN202304704U (en) | Lever measuring structure and deep hole diameter measuring device with the same | |
| CN201955042U (en) | External circle diameter measuring caliper gauge | |
| CN104864793B (en) | A kind of combined cubing and method for detecting clutch compressing disc setting height(from bottom) | |
| CN204757859U (en) | Detection apparatus for be used for foraminiferous part of arc | |
| CN107478128B (en) | Special detection measuring tool for bending amount of unit of steel rail top bending and detection method thereof | |
| CN104390543A (en) | Gauge for radial run-out of inner bore walls at two ends of hollow shaft | |
| CN201413106Y (en) | Irregularly-shaped precise-casting inner-hole position accuracy inspection tool | |
| CN212363007U (en) | Calibrating device for screw micrometer | |
| CN201045573Y (en) | Inside and outside diameter dual-purpose micrometer | |
| CN112146553B (en) | Design method and use method of inner inclined hole position size measuring device | |
| CN201561724U (en) | Check tool for measuring relative thickness between fixed diameter D of spherical bevel gear and another flat end plane | |
| CN209783492U (en) | Radial internal clearance detection device for needle bearing rocker arm | |
| CN105066856B (en) | Gear keyway symmetry degree gauge | |
| CN210165867U (en) | Gauge for measuring groove width of inner hole ring and distance between relative outer shoulders | |
| CN202255249U (en) | Main pin hole end surface verticality gauge | |
| CN201569395U (en) | Workpiece external diameter measuring device | |
| CN210464269U (en) | Brake caliper body rectangular channel detection instrument of beating | |
| CN214620925U (en) | Piston outer gear deviation prevention detection device | |
| CN204188099U (en) | Axle class end internal orifice dimension is to bounce gauge | |
| CN212458164U (en) | Gear micrometer calibrating installation | |
| CN111076650A (en) | Tool for measuring symmetry of double-sided milling flat workpiece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210115 Termination date: 20210605 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |