CN207936866U - A kind of automatic centering screw-thread micrometer - Google Patents
A kind of automatic centering screw-thread micrometer Download PDFInfo
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- CN207936866U CN207936866U CN201820270460.XU CN201820270460U CN207936866U CN 207936866 U CN207936866 U CN 207936866U CN 201820270460 U CN201820270460 U CN 201820270460U CN 207936866 U CN207936866 U CN 207936866U
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Abstract
The utility model is related to measurer technical fields, and in particular to a kind of automatic centering screw-thread micrometer；Including micrometer shelf, the V-type measurement head and pyramid type measurement head being symmetrically set on micrometer shelf close to one end of V-type measurement head are positioning end on micrometer shelf, are pinching end close to one end of pyramid type measurement head, it is characterised in that：Positioning end is equipped with the positioning adjust block being slidably connected, pinching end is equipped with the clamping adjusting block being slidably connected, and level is equipped with via one on positioning adjust block, and via one is parallel with the axis of V-type measurement head, it clamps level on adjusting block and is equipped with via two, via two is parallel with the axis of pyramid type measurement head；Using a kind of automatic centering screw-thread micrometer of technical solutions of the utility model, ensure to be tested thread center, it is ensured that the correct position of measurement accurately obtains the tested pitch diameter of thread, improves accuracy of detection, operation is simple and reliable.
Description
Technical field
The utility model is related to measurer technical fields, and in particular to a kind of automatic centering screw-thread micrometer.
Background technology
For a long time, the pitch diameter of thread is measured using screw-thread micrometer, since the pitch diameter of thread is in the high half of triangle tooth form
Place needs first to select V-type and conical measurement head according to screw pitch, then uses check and correction model zeroing, then carry out the pitch diameter of thread
Detection.Due to being normal spiral mircrometer gauge, scale division value is 0.01 millimeter, and 0.01 millimeter or less can only be estimated reading by operator, metering
The uncertainty of utensil is 0.004 millimeter.Before measurement, it is necessary to check and correction model zeroing.When measuring pitch diameter of external thread, screw thread thousand divides
The cone gauge head of ruler, which is inserted into, to be tested in externally threaded alveolus, and V-type measurement head is stuck on the measured workpiece thread on opposite.Due to inspection
At tested height of thread half, operator is difficult to hold the pitch diameter of thread of survey, and the line of usual two gauge head is not over tested
Thread center, or even glance off, cause detection error larger.
Utility model content
The purpose of this utility model is to provide a kind of automatic centering screw-thread micrometer, ensure to be tested thread center, it is ensured that
The correct position measured accurately obtains the tested pitch diameter of thread, improves accuracy of detection, operation is simple and reliable.
To achieve the goals above, the utility model provides a kind of automatic centering screw-thread micrometer, including micrometer shelf,
The V-type measurement head and pyramid type measurement head being symmetrically set on the micrometer shelf, close to the V-type on the micrometer shelf
One end of measurement head is positioning end, is pinching end close to one end of the pyramid type measurement head, wherein the positioning end is equipped with
The positioning adjust block being slidably connected, the pinching end are equipped with the clamping adjusting block that is slidably connected, water on the positioning adjust block
Flat to be equipped with via one, the via one is parallel with the axis of V-type measurement head, horizontal on the clamping adjusting block to be equipped with via
Two, the via two is parallel with the axis of pyramid type measurement head, and the via one is slided with horizontal respectively in the via two
Dynamic to be connected with cylindrical handle one and cylindrical handle two, the cylindrical handle one is positioned towards the end of the V-type measurement head equipped with V-type workpiece
Block, the cylindrical handle two are equipped with V-type Workpiece clamping block, the V-type workpiece locating piece towards the end of the pyramid type measurement head
Consistent with the central axes of V-type Workpiece clamping block, the positioning adjust block is equipped with the positioning pushed against with the cylindrical handle one
Trip bolt, the adjusting block that clamps are equipped with the clamping trip bolt pushed against with the cylindrical handle two.
Preferably, the needs of whorl work piece test position, the positioning end and the pinching end are tested for adaptation
On be equipped with dovetail sliding rail, be equipped with the swallow coordinated with the dovetail sliding rail on the positioning adjust block and the clamping adjusting block
Tail sliding slot.
Preferably, it is tested in whorl work piece to ensure that the line of V-type measurement head and pyramid type measurement head passes through
The middle part of the heart, the V-type workpiece locating piece is equipped with calibration groove.
Preferably, the pyramid type measurement head is connected with micrometer caliper.
Using a kind of automatic centering screw-thread micrometer of above-mentioned technical proposal, there are following advantages：The utility model structure letter
Single, technology is reasonable, easy to operate, is clamped by the positioning of V-type workpiece locating piece and V-type Workpiece clamping block and is tested whorl work piece, protected
It demonstrate,proves pyramid type measurement head and V-type measurement head to detect by tested thread center, accurately obtains the tested pitch diameter of thread, reliable operation,
It is easy to operate, effectively improve accuracy of detection.
Description of the drawings
Fig. 1 is the positive structure diagram of the utility model；
Fig. 2 is the left view structural representation of the utility model；
Fig. 3 is the overlooking structure diagram of the utility model；
Fig. 4 is the structural schematic diagram of the V-type workpiece locating piece and V-type Workpiece clamping block clamp position in the utility model.
Wherein：Micrometer shelf 1；V-type measurement head 2；Pyramid type measurement head 3；Micrometer caliper 4；Positioning end 5；Pinching end
6；Positioning adjust block 7；Clamp adjusting block 8；Whorl work piece 9；Adjusting zero rod lock-screw 10；Dovetail sliding rail 11；Via 1；Via
2 13；Cylindrical handle 1；Cylindrical handle 2 15；V-type workpiece locating piece 16；V-type Workpiece clamping block 17；Calibrate groove 18；Positioning is tight
Gu screw 19；Clamp trip bolt 20.
Specific implementation mode
Technical solutions of the utility model are further illustrated with reference to the accompanying drawings and examples：
As shown in Figures 1 to 4, the utility model provides a kind of automatic centering screw-thread micrometer, including micrometer shelf 1,
The V-type measurement head 2 and pyramid type measurement head 3 being symmetrically set on micrometer shelf 1, pyramid type measurement head 3 are connected with spiral micrometer
Device 4 close to one end of V-type measurement head 2 is positioning end 5 on micrometer shelf 1, is to clamp close to one end of pyramid type measurement head 3
End 6, wherein positioning end 5 is equipped with the positioning adjust block 7 being slidably connected, and pinching end 6 is equipped with the clamping adjusting block being slidably connected
8, to adapt to be tested the needs of 9 test position of whorl work piece, dovetail sliding rail 11 is equipped on positioning end 5 and pinching end 6, positioning is adjusted
Locking nub 7 is equipped with the dovetail chute coordinated with dovetail sliding rail 11 on clamping adjusting block, and level was equipped on positioning adjust block 7
Hole 1, via 1 is parallel with the axis of V-type measurement head 2, clamps horizontal equipped with via 2 13, via 2 13 on adjusting block 8
It is parallel with the axis of pyramid type measurement head 3, in via 1 and via 2 13 respectively level slidably connect cylindrical handle 1 and
Cylindrical handle 2 15, cylindrical handle 1 are equipped with V-type workpiece locating piece 16,2 15 direction circle of cylindrical handle towards the end of V-type measurement head 2
The end of tapered measurement head 3 is equipped with V-type Workpiece clamping block 17, the central axes of V-type workpiece locating piece 16 and V-type Workpiece clamping block 17
Unanimously, in order to ensure that the line of V-type measurement head 2 and pyramid type measurement head 3 passes through tested 9 center of whorl work piece, V-type workpiece positions
The middle part of block 16 is equipped with calibration groove 18, and positioning adjust block 7 is equipped with the positioning trip bolt 19 pushed against with cylindrical handle 1, folder
Tight adjusting block 8 is equipped with the clamping trip bolt 20 pushed against with cylindrical handle 2 15.
According to detection thread pitch selection V-type measurement head 2 and pyramid type measurement head 3, with check and correction model zeroing, fastening zeroing
Rod locking screw 10,2 position of V-type measurement head fasten adjusting zero rod lock-screw 10 by adjusting and fix.Tested whorl work piece 9 is put into
Wherein, test position thread appropriate is inserted in V-type measurement head 2, and cylindrical handle 1, V-type workpiece locating piece 16 is pushed to move to right
To appropriate location, screwed in place trip bolt 19 determines the upper and lower position of tested whorl work piece 9, that is, ensures to be tested whorl work piece 9
Center is in the symmetrical centre of V-type workpiece locating piece 16 and V-type Workpiece clamping block 17, to ensure to be tested 9 center of whorl work piece
It is contour with measurement head.It pushes cylindrical handle 2 15, V-type Workpiece clamping block 17 to move to left to the left, then turns and clamp trip bolt 20, it is fixed
Tested 9 position of whorl work piece, to ensure that the line of V-type measurement head 2 and pyramid type measurement head 3 passes through in tested whorl work piece
The heart.After 9 exact placement of tested whorl work piece is good, the micrometer caliper 4 of screw-thread micrometer is rotated, the inspection of the pitch diameter of thread is carried out
It surveys.
The above are merely preferred embodiments of the present invention, it is noted that for those skilled in the art,
Under the premise of not departing from the utility model structure, several modifications and improvements can also be made, these should also be considered as this practicality
Novel protection domain, these all do not interfere with the effect and patent practicability of the utility model implementation.
Claims (4)
1. a kind of automatic centering screw-thread micrometer, including micrometer shelf, the V-type being symmetrically set on the micrometer shelf measures
Head and pyramid type measurement head close to one end of the V-type measurement head are positioning end on the micrometer shelf, close to the circular cone
One end of type measurement head is pinching end, it is characterised in that：The positioning end is equipped with the positioning adjust block being slidably connected, the folder
Tight end is equipped with the clamping adjusting block being slidably connected, and level is equipped with via one, the via one and institute on the positioning adjust block
The axis for stating V-type measurement head is parallel, and horizontal on the clamping adjusting block to be equipped with via two, the via two is surveyed with the pyramid type
The axis for measuring head is parallel, and level slidably connects cylindrical handle one and cylindrical handle two respectively in the via one and the via two,
The cylindrical handle one is equipped with V-type workpiece locating piece towards the end of the V-type measurement head, and the cylindrical handle two is towards the circular cone
The end of type measurement head is equipped with V-type Workpiece clamping block, the central axes of the V-type workpiece locating piece and the V-type Workpiece clamping block
Unanimously, the positioning adjust block is equipped with the positioning trip bolt pushed against with the cylindrical handle one, is set on the clamping adjusting block
There is the clamping trip bolt pushed against with the cylindrical handle two.
2. automatic centering screw-thread micrometer according to claim 1, it is characterised in that：The positioning end and the pinching end
On be equipped with dovetail sliding rail, be equipped with the swallow coordinated with the dovetail sliding rail on the positioning adjust block and the clamping adjusting block
Tail sliding slot.
3. automatic centering screw-thread micrometer according to claim 1, it is characterised in that：In the V-type workpiece locating piece
Portion is equipped with calibration groove.
4. automatic centering screw-thread micrometer according to claim 1, it is characterised in that：The pyramid type measurement head is connected with
Micrometer caliper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820270460.XU CN207936866U (en) | 2018-02-26 | 2018-02-26 | A kind of automatic centering screw-thread micrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820270460.XU CN207936866U (en) | 2018-02-26 | 2018-02-26 | A kind of automatic centering screw-thread micrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207936866U true CN207936866U (en) | 2018-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820270460.XU Active CN207936866U (en) | 2018-02-26 | 2018-02-26 | A kind of automatic centering screw-thread micrometer |
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| Country | Link |
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| CN (1) | CN207936866U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838525A (en) * | 2019-03-15 | 2019-06-04 | 中国科学院上海光学精密机械研究所 | High guiding performance, low drifting angle adjustment fine-tuning screw component |
| CN110952134A (en) * | 2019-12-18 | 2020-04-03 | 西安奕斯伟硅片技术有限公司 | Horizontal centering calibration fixture, crystal pulling furnace and horizontal centering calibration method |
-
2018
- 2018-02-26 CN CN201820270460.XU patent/CN207936866U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838525A (en) * | 2019-03-15 | 2019-06-04 | 中国科学院上海光学精密机械研究所 | High guiding performance, low drifting angle adjustment fine-tuning screw component |
| CN110952134A (en) * | 2019-12-18 | 2020-04-03 | 西安奕斯伟硅片技术有限公司 | Horizontal centering calibration fixture, crystal pulling furnace and horizontal centering calibration method |
| CN110952134B (en) * | 2019-12-18 | 2022-04-08 | 西安奕斯伟材料科技有限公司 | Horizontal centering calibration fixture, crystal pulling furnace and horizontal centering calibration method |
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