CN203605930U - Scanning measurement needle installation structure for thread and profile measurement and parameter measuring machine - Google Patents
Scanning measurement needle installation structure for thread and profile measurement and parameter measuring machine Download PDFInfo
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- CN203605930U CN203605930U CN201320785628.8U CN201320785628U CN203605930U CN 203605930 U CN203605930 U CN 203605930U CN 201320785628 U CN201320785628 U CN 201320785628U CN 203605930 U CN203605930 U CN 203605930U
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- step portion
- positioning
- chaining pin
- reference plane
- scanning
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- 238000005259 measurement Methods 0.000 title claims abstract description 51
- 238000009434 installation Methods 0.000 title claims abstract description 18
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 11
- 230000003252 repetitive effect Effects 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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Abstract
The utility model relates to a scanning measurement needle installation structure for thread and profile measurement and a parameter measuring machine. The scanning measurement needle installation structure provided by the utility model for thread and profile measurement comprises a measurement needle and a measurement needle base, wherein the tail end of the measurement needle is provided with a first positioning step portion, the measurement needle base is provided with a second positioning step portion, the first positioning step portion is attached to and matched with the second positioning step portion, the first positioning step portion is provided with two positioning holes, the second positioning step portion is provided with two positioning pins, the positioning holes and the positioning pins are installed in a matched mode, and the first positioning step portion and the second positioning step portion are connected through a fastener. The utility model further provides the parameter measuring machine. Preferably, the parameter measuring machine is a profile meter or a thread integrated parameter measuring machine. The scanning measurement needle installation structure for thread and profile measurement and the parameter measuring machine have the beneficial effects that installation and positioning for the measurement needle and the measurement needle base are realized, the repeated positioning accuracy is high, and the assembly and disassembly are convenient.
Description
Technical field
The utility model relates to measurement mechanism, relates in particular to a kind of scanning chaining pin mounting structure for screw thread, profile measurement and parameter measurement machine in measurement mechanism.
Background technology
Scanning chaining pin is the strength member in the equipment such as contourgraph, screw thread comprehensive parameter measuring machine, direct contact scanning is carried out on scanning chaining pin and measured piece surface, for gathering the vitals of measured piece surface information, according to the different often replacements of the pattern of measured piece, dismounting scanning chaining pin, in replacement, unloading process, the installation location quality of scanning chaining pin, can directly affect measurement result.
The installation and positioning structure of existing scanning chaining pin mainly contains following two kinds:
1, adopt male and female dovetail installation and positioning structure, after the male dovetail of chaining pin afterbody is inserted into the female dovetail groove of chaining pin seat, by the locking nut screwing on chaining pin seat, allow the laminating of male and female dovetail put in place;
2, cross pin coordinates V groove installation and positioning structure, the circular hole on chaining pin and the location, formation position of having strong market potential, and the V groove of chaining pin end face and short pin form revolution location, finally by screw locking.
The defect of above two kinds of existing schemes is:
1, male and female dovetail installation and positioning structure, symmetry, flatness and the roughness of male and female dovetail abutment face common process is difficult to assurance, and the relative positioning relation of scanning chaining pin and chaining pin seat is inaccurate, and namely repetitive positioning accuracy is difficult to guarantee.
2, cross pin coordinates V groove installation and positioning structure, because the position degree after cross pin processing, assembling is difficult to guarantee, so the repetitive positioning accuracy that two location, place coordinate is not high yet.
Above two kinds of mounting structures, because repetitive positioning accuracy is not high, in precision measurement, if change chaining pin, are measured troublesome poeration again after needing to recalibrate.
Summary of the invention
In order to solve the problems of the prior art, the utility model provides a kind of scanning chaining pin mounting structure for screw thread, profile measurement and parameter measurement machine.
The utility model provides a kind of scanning chaining pin mounting structure for screw thread, profile measurement, comprise chaining pin and chaining pin seat, the tail end of described chaining pin is provided with the first positioning step portion, described chaining pin seat is provided with the second positioning step portion, the cooperation that fits of described the first positioning step portion, the second positioning step portion, described the first positioning step portion is provided with two pilot holes, described the second positioning step portion is provided with two register pins, the installation that matches with described register pin of described pilot hole, connects by securing member between described the first positioning step portion, the second positioning step portion.
As further improvement of the utility model, described the first positioning step portion comprises that the first positioning reference plane and first dodges face, described the second positioning step portion comprises that the second positioning reference plane and second dodges face, described the first positioning reference plane fits and coordinates with described the second positioning reference plane, and described first face of dodging fits and coordinates with the second face of dodging.
As further improvement of the utility model, it is perpendicular that described the first positioning reference plane and described first is dodged face, and it is perpendicular that described the second positioning reference plane and described second is dodged face.
As further improvement of the utility model, described pilot hole is arranged on described the first positioning reference plane, and described register pin is arranged on described the second positioning reference plane.
As further improvement of the utility model, the axis of described pilot hole is perpendicular to described the first positioning reference plane, and the axis of described register pin is perpendicular to described the second positioning reference plane.
As further improvement of the utility model, described pilot hole distributes and arranges along the axis direction of described chaining pin, and described register pin distributes and arranges along the axis direction of described chaining pin seat.
As further improvement of the utility model, described pilot hole has two, and described register pin has two.
As further improvement of the utility model, described pilot hole comprises position pilot hole and revolution pilot hole, and described position pilot hole is circular hole, and described revolution pilot hole is slotted hole.
As further improvement of the utility model, described position pilot hole and described register pin are interference fit, and described revolution pilot hole and described register pin are clearance fit.
As further improvement of the utility model, described securing member is mounting screw, described the first positioning reference plane is provided with threaded mounting hole, and described the second positioning reference plane is provided with threaded hole, and described mounting screw passes and described threaded hole and described threaded mounting hole Screw assembly.
The utility model also provides a kind of parameter measurement machine, comprises the scanning chaining pin mounting structure as described in above-mentioned middle any one.
As further improvement of the utility model, described parameter measurement machine is contourgraph.
As further improvement of the utility model, described parameter measurement machine is screw thread comprehensive parameter measuring machine.
The beneficial effects of the utility model are: pass through such scheme, can be by the cooperation that fits of the first positioning step portion, the second positioning step portion, installation matches with register pin by pilot hole, realize the installation location of chaining pin and chaining pin seat, repetitive positioning accuracy is higher, removes and installs also more for convenience.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of scanning chaining pin mounting structure for screw thread, profile measurement of the utility model;
Fig. 2 is the structural representation of the chaining pin of a kind of scanning chaining pin mounting structure for screw thread, profile measurement of the utility model;
Fig. 3 is the structural representation of the chaining pin seat of a kind of scanning chaining pin mounting structure for screw thread, profile measurement of the utility model.
Embodiment
Below in conjunction with accompanying drawing explanation and embodiment, the utility model is further illustrated.
Drawing reference numeral in Fig. 1 to Fig. 3 is: chaining pin 1; The first positioning reference plane 11; First dodges face 12; Position pilot hole 13; Threaded mounting hole 14; Revolution mounting hole 15; Chaining pin seat 2; The second positioning reference plane 21; Second dodges face 22; Register pin 23; Threaded hole 24.
The utility model provides a kind ofly for the scanning chaining pin mounting structure of screw thread, profile measurement and the object of parameter measurement machine is: simplify locator meams is installed, improve element precision, solve the repetitive positioning accuracy of same chaining pin multiple clamping, reduce clamping error, can elimination of calibrations, compensation tache, improves and measures efficiency.
As shown in Figure 1 to Figure 3, a kind of for screw thread, the scanning chaining pin mounting structure of profile measurement, comprise chaining pin 1 and chaining pin seat 2, the tail end of described chaining pin 1 is provided with the first positioning step portion, described chaining pin seat 2 is provided with the second positioning step portion, described the first positioning step portion, the cooperation that fits of the second positioning step portion, described the first positioning step portion is provided with two pilot holes, described the second positioning step portion is provided with two register pins 23, described register pin 23 is preferably precision positioning pin, the installation that matches with described register pin 23 of described pilot hole, described the first positioning step portion, between the second positioning step portion, connect by securing member.
As shown in Figure 1 to Figure 3, described the first positioning step portion comprises that the first positioning reference plane 11 and first dodges face 12, described the second positioning step portion comprises that the second positioning reference plane 21 and second dodges face 22, described the first positioning reference plane 11 fits and coordinates with described the second positioning reference plane 21, and described first dodges face 12 and second dodges face 22 and fit and coordinate.
As shown in Figure 1 to Figure 3, it is perpendicular that described the first positioning reference plane 11 and described first is dodged face 12, and it is perpendicular that described the second positioning reference plane 21 and described second is dodged face 22, and the first positioning step portion, the second positioning step portion are L shaped.
As shown in Figure 1 to Figure 3, described pilot hole is arranged on described the first positioning reference plane 11, and described register pin 23 is arranged on described the second positioning reference plane 21.
As shown in Figure 1 to Figure 3, the axis of described pilot hole is perpendicular to described the first positioning reference plane 11, and the axis of described register pin 23 is perpendicular to described the second positioning reference plane 21.
As shown in Figure 1 to Figure 3, described pilot hole distributes and arranges along the axis direction of described chaining pin 1, and described register pin 23 distributes and arranges along the axis direction of described chaining pin seat 2.
As shown in Figure 1 to Figure 3, described pilot hole has two, and described register pin 23 has two.
As shown in Figure 1 to Figure 3, described pilot hole comprises position pilot hole 13 and revolution pilot hole 15, and described position pilot hole 13 is circular hole, and described revolution pilot hole 15 is slotted hole, is rectangle in the middle of the shape of slotted hole is specially, and both sides are semicircle.
As shown in Figure 1 to Figure 3, described position pilot hole 13 is micro-interference fit with described register pin 23, and described revolution pilot hole 15 and described register pin 23 coordinate for slight clearance.
As shown in Figure 1 to Figure 3, described securing member is mounting screw, described the first positioning reference plane 11 is provided with threaded mounting hole 14, and described the second positioning reference plane 21 is provided with threaded hole 24, and described mounting screw passes and described threaded hole 24 and described threaded mounting hole 14 Screw assemblies.
The utility model also provides a kind of parameter measurement machine, comprises the scanning chaining pin mounting structure as described in above-mentioned middle any one.
Described parameter measurement machine is preferably contourgraph, screw thread comprehensive parameter measuring machine etc., is especially preferably screw thread comprehensive parameter measuring machine.
A kind of scanning chaining pin mounting structure for screw thread, profile measurement and parameter measurement machine that the utility model provides, can be by the cooperation that fits of the first positioning step portion, the second positioning step portion, installation matches with register pin 23 by pilot hole, realize the installation location of chaining pin 1 and chaining pin seat 2, repetitive positioning accuracy is higher, remove and install also more for convenience, designs simplification, the machining precision of mating parts can meet this designing requirement, clamping error is little, and repeatable accuracy is high, can save calibration, compensation tache, efficiency promotes to some extent.
A kind of scanning chaining pin mounting structure for screw thread, profile measurement that the utility model provides, can be used for chaining pin mounting means, the especially scanning system of bilateral scanning chaining pin of instrument with contacts.For example contourgraph, screw thread comprehensive parameter measuring machine etc.
A kind of scanning chaining pin mounting structure for screw thread, profile measurement that the utility model provides has the following advantages:
1) adopt the mode that adds register pin 23 perpendicular to the datum clamp face of direction of measurement, repetitive positioning accuracy is very high, operates also very easy;
2) this reference field, can be because of the tolerance clearance of register pin 23 perpendicular to surface to be measured, causes chaining pin 1 positioning error in the horizontal direction, and then affects measuring accuracy.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. the scanning chaining pin mounting structure for screw thread, profile measurement, it is characterized in that: comprise chaining pin and chaining pin seat, the tail end of described chaining pin is provided with the first positioning step portion, described chaining pin seat is provided with the second positioning step portion, the cooperation that fits of described the first positioning step portion, the second positioning step portion, described the first positioning step portion is provided with two pilot holes, described the second positioning step portion is provided with two register pins, the installation that matches with described register pin of described pilot hole, connects by securing member between described the first positioning step portion, the second positioning step portion.
2. the scanning chaining pin mounting structure for screw thread, profile measurement according to claim 1, it is characterized in that: described the first positioning step portion comprises that the first positioning reference plane and first dodges face, described the second positioning step portion comprises that the second positioning reference plane and second dodges face, described the first positioning reference plane fits and coordinates with described the second positioning reference plane, and described first face of dodging fits and coordinates with the second face of dodging.
3. the scanning chaining pin mounting structure for screw thread, profile measurement according to claim 2, is characterized in that: it is perpendicular that described the first positioning reference plane and described first is dodged face, it is perpendicular that described the second positioning reference plane and described second is dodged face.
4. the scanning chaining pin mounting structure for screw thread, profile measurement according to claim 3, is characterized in that: described pilot hole is arranged on described the first positioning reference plane, and described register pin is arranged on described the second positioning reference plane.
5. the scanning chaining pin mounting structure for screw thread, profile measurement according to claim 4, is characterized in that: the axis of described pilot hole is perpendicular to described the first positioning reference plane, and the axis of described register pin is perpendicular to described the second positioning reference plane.
6. the scanning chaining pin mounting structure for screw thread, profile measurement according to claim 5, is characterized in that: described pilot hole distributes and arranges along the axis direction of described chaining pin, and described register pin distributes and arranges along the axis direction of described chaining pin seat.
7. the scanning chaining pin mounting structure for screw thread, profile measurement according to claim 5, it is characterized in that: described securing member is mounting screw, described the first positioning reference plane is provided with threaded mounting hole, described the second positioning reference plane is provided with threaded hole, and described mounting screw passes and described threaded hole and described threaded mounting hole Screw assembly.
8. the scanning chaining pin mounting structure for screw thread, profile measurement according to claim 5, is characterized in that: described pilot hole comprises position pilot hole and revolution pilot hole, and described position pilot hole is circular hole, and described revolution pilot hole is slotted hole.
9. the scanning chaining pin mounting structure for screw thread, profile measurement according to claim 8, is characterized in that: described position pilot hole and described register pin are interference fit, and described revolution pilot hole and described register pin are clearance fit.
10. a parameter measurement machine, is characterized in that: comprise and scan as claimed in any one of claims 1-9 wherein chaining pin mounting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320785628.8U CN203605930U (en) | 2013-12-04 | 2013-12-04 | Scanning measurement needle installation structure for thread and profile measurement and parameter measuring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320785628.8U CN203605930U (en) | 2013-12-04 | 2013-12-04 | Scanning measurement needle installation structure for thread and profile measurement and parameter measuring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203605930U true CN203605930U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320785628.8U Expired - Lifetime CN203605930U (en) | 2013-12-04 | 2013-12-04 | Scanning measurement needle installation structure for thread and profile measurement and parameter measuring machine |
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| CN (1) | CN203605930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118515A (en) * | 2018-02-06 | 2019-08-13 | 清华大学深圳研究生院 | A kind of method and apparatus for verifying needle knit stitch precision |
-
2013
- 2013-12-04 CN CN201320785628.8U patent/CN203605930U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118515A (en) * | 2018-02-06 | 2019-08-13 | 清华大学深圳研究生院 | A kind of method and apparatus for verifying needle knit stitch precision |
| CN110118515B (en) * | 2018-02-06 | 2020-12-08 | 清华大学深圳研究生院 | Method and device for verifying needle setting precision of surgical needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong city of Shenzhen province Nanshan District Xili Academy Road No. 1001 Chi Yuen Building 2 layer B1 Patentee after: CHOTEST TECHNOLOGY Inc. Address before: 518000 Guangdong city of Shenzhen province Futian District, Kaifeng Road, Fung Building 2 floor building Patentee before: SHENZHEN CHOTEST SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |