CN201731839U - Measuring instrument for cylinder kidney holes - Google Patents
Measuring instrument for cylinder kidney holes Download PDFInfo
- Publication number
- CN201731839U CN201731839U CN2010202729314U CN201020272931U CN201731839U CN 201731839 U CN201731839 U CN 201731839U CN 2010202729314 U CN2010202729314 U CN 2010202729314U CN 201020272931 U CN201020272931 U CN 201020272931U CN 201731839 U CN201731839 U CN 201731839U
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- Prior art keywords
- positioning pin
- measuring
- hole
- waist
- shaped hole
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- Expired - Lifetime
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Abstract
A measuring instrument for cylinder kidney holes comprises a body, a center positioning pin, two positioning pins and a measuring gauge. The center of the body is provided with a center positioning pin hole and the end surface of one side of the body is provided with two positioning pin holes, the center positioning pin is disposed in the center positioning pin hole on the body, an inclined surface is arranged on one side of the upper end surface of the center positioning pin and provided with a measuring hole perpendicular to the inclined surface, diameter and angle of the measuring hole correspond to those of kidney holes, the two positioning pins are disposed in the two positioning pin holes on the end surface of one side of the body, and the measuring gauge is arranged at the measuring hole of the inclined surface of the center positioning pin. Measuring basis of the measuring instrument is consistent with design basis of workpieces, all processing factors including diameter, angle and position of kidney holes can be measured at one step by aid of the dual-pin one-surface positioning mode, thereby increasing measurement efficiency, meeting requirements of field production, and being suitable for batch production and mass production.
Description
Technical field
The utility model relates to a kind of dish class measurer, is specially adapted to cylinder waist-shaped hole measurement measurers such as compressor of air conditioner.
Background technology
Waist-shaped hole on the air cylinder of air-conditioner compressor is a small part in φ 6mm hole, has three to measure plain wanting: 1, the position of the angle of the diameter of waist-shaped hole, 2, waist-shaped hole, 3, waist-shaped hole; And have strict position and angle requirement with respect to workpiece end face, it is comparatively loaded down with trivial details that this makes measurement get up, and sees Fig. 1.
In the whole operation of cylinder product, the check of waist-shaped hole operation occupies important status in whole measuring process, will be directly connected to the quality of product quality because of three key elements of waist-shaped hole.Because whole production line is the production model of continuous-flow type, so the check of operation become whole production line bottleneck, the measurement of this operation has influenced the production level of whole production line to a great extent.
Measuring method according to routine is to look for its measuring basis earlier, measures the position of waist-shaped hole, measures its diameter afterwards, measures its angle at last.The measurement of waist-shaped hole diameter is that the method measuring error is bigger if adopt the line mode; Universal protractor is adopted in the measurement of waist-shaped hole angle, and the method is had relatively high expectations to operator's technical ability, and the wear phenomenon of measurer is obvious; Even if moreover adopt three-dimensional measuring instrument, also be difficult to the accurate of measurement, because this waist-shaped hole is a curved surface at workpiece, this makes when measuring, is difficult to correctly get a little.These two kinds of measuring methods not only cost price, work cost and time cost are all very high, and measure frequently, are applied in the production in enormous quantities, extend manufacture cycle undoubtedly, perplexing on-the-spot production so the waist-shaped hole of cylinder detects problem always.
This shows that in whole piece cylinder production line flow process, it also is operation the most consuming time that waist-shaped hole verifies as most important, have only the measuring method of optimizing this operation, efficient and quality could improve greatly so.
Summary of the invention
The purpose of this utility model is to design a kind of cylinder waist-shaped hole and measures measurer, is satisfying under the above-mentioned requirements condition, reaches the raising efficiency of measurement, can satisfy the needs of produced on-site, is applicable to produce in enormous quantities and produce by batch.
For achieving the above object, the technical solution of the utility model is,
The cylinder waist-shaped hole is measured measurer, and it comprises, body, and its center offers the centralized positioning pin-and-hole; Body one side end face also has two dowel holes; The centralized positioning pin is arranged at body centralized positioning pin-and-hole; Centralized positioning pin upper surface one side is the inclined-plane, offers the measured hole on vertical inclined-plane on the inclined-plane, and the diameter of measured hole is all corresponding with the waist-shaped hole of workpiece with angle; Two register pins are arranged at two dowel holes of body one side end face; Measuring gage is arranged at the measured hole on centralized positioning pin inclined-plane.
Further, described measuring gage is a staircase structural model, and the rear end is the measuring point, and the length bar front end is the guiding position.
Again, described measuring gage is respectively drift and no-go gage, and its diameter is respectively the lower limit and the upper limit of the waist-shaped hole diameter of workpiece.
Described two register pins are the rhombus pin.
Measurer body end face and measured hole are the carriers of this measurer tolerance and precision, promptly are used to connect the vitals of waist-shaped hole measuring gage and end standard relativeness.The centralized positioning pin that cooperates with the workpiece endoporus, it is the measuring basis of this measurer, machining precision and the Testing requirement thereof of while in order to guarantee measured hole, be provided with the processing technology hole, its position that can not directly measure relation is converted into the straight-line dimension of direct measurement, requires and requirement of smooth Design of Measuring Tools and the certain relation of above-mentioned center maintenance according to workpiece.
Centralized positioning pin inclined-plane has corresponding measured hole, and guiding and positioning action are played in this hole, promptly limits the position and the degree of freedom of corresponding measuring gage.Waist-shaped hole is one-to-one relationship on this hole and the workpiece, position and shape and angle thereof design according to the workpiece ideal model, and tighten up tolerance according to tolerance, promptly the body tolerance is the necessary and sufficient condition of workpiece tolerance, and a rhombus pin is arranged is the circumferential benchmark that workpiece is placed.
Measuring gage is a staircase structural model, the measuring gage rear end is the measuring point, be the position of check cylinder waist-shaped hole form tolerance and angle tolerance, the size of measuring gage measuring point, shape are according to the design of cylinder waist-shaped hole, and its size, form tolerance and angle thereof are perfect condition; The measuring gage front end is promptly measured set guiding position for ease of cylinder for the guiding position, and this position is inserted in body interior, and when measuring, measuring gage is inserted into earlier in the measured hole of body, is convenient to be inserted in the waist-shaped hole of cylinder by this guiding position.
The beneficial effects of the utility model:
The design of the utility model measuring basis is consistent with the workpiece design basis, adopt the locator meams of two pin one sides, the centralized positioning pin that cooperates with the workpiece endoporus is considered as a round pin, the pairing rhombus pin of measurer body end face is circumferentially to locate round pin, and the end face plane, the six-freedom degree of restriction workpiece.Once place the just whole machining elements of energy measurement: the diameter of waist-shaped hole, the angle of waist-shaped hole, position; Reach the raising efficiency of measurement, can satisfy the needs of produced on-site, be applicable to and produce in enormous quantities and produce by batch.
Description of drawings
Fig. 1 a is the measured cylinder Workpiece structure synoptic diagram of the utility model;
Fig. 1 b is the A-A cut-open view of Fig. 1 a;
Fig. 2 measures the structural representation of measurer one embodiment for the utility model;
Fig. 3 measures the vertical view of body among the measurer embodiment for the utility model;
Fig. 4 measures measurer user mode synoptic diagram for the utility model.
Fig. 5 is the side view of Fig. 4.
Embodiment
Referring to Fig. 1～Fig. 3, the utility model cylinder waist-shaped hole is measured measurer, and it comprises, body 1, and its center offers centralized positioning pin-and-hole 101; Body one side end face also has two dowel holes 102,103, and these two dowel holes are respectively applied for the waist- shaped hole 61,62 of measuring workpieces 6 both ends of the surface; Centralized positioning pin 2 is arranged at body centralized positioning pin-and-hole 101; Centralized positioning pin 2 upper surfaces one side is inclined-plane 21, offers the measured hole 211 on vertical inclined-plane on the inclined-plane 21, and the diameter of measured hole 211 is all corresponding with the waist- shaped hole 61,62 of workpiece 6 with angle; Two register pins 3,4 are arranged at two dowel holes 102,103 of body 1 one side end faces; Measuring gage 5 is arranged at the measured hole 211 on centralized positioning pin inclined-plane.
Described measuring gage 5 is a staircase structural model, and the rear end is the measuring point, and the length bar front end is the guiding position.
Described measuring gage 5 is respectively drift and no-go gage, and its diameter is respectively the lower limit and the upper limit of the waist-shaped hole diameter of workpiece.
Described two register pins 3,4 are the rhombus pin.
Because the waist-shaped hole of workpiece both ends of the surface is identical, so use same measuring gage, promptly no-go gage is all identical with drift.
The centralized positioning pin that cooperates with endoporus, as the measuring basis of waist-shaped hole measurement with form accuracy, with the benchmark that place as workpiece on the big plane of measurer body, its measuring gage is used to measure position, shape and the angle thereof of waist-shaped hole.
During measurement, workpiece is packed into the centralized positioning pin, make the lower plane of workpiece and the reference field of measuring body lean on the jail.Again the rhombus pin insert is measured the dowel hole inside of body, be easier to insert and pull out, and the no-go gage of measuring gage inserts not enter, illustrate that this workpiece cylinder is qualified as the drift ratio of measuring gage.
For the waist-shaped hole of the other end of measuring cylinder, need cylinder is turned over, measure with above-mentioned same method, be easier to insert and pull out as the drift ratio of measuring gage, and the no-go gage of measuring gage is slotting does not enter, illustrate that this workpiece cylinder is qualified.
Claims (4)
1. the cylinder waist-shaped hole is measured measurer, it is characterized in that, comprise,
Body, its center offers the centralized positioning pin-and-hole; Body one side end face also has two dowel holes;
The centralized positioning pin is arranged at body centralized positioning pin-and-hole; Centralized positioning pin upper surface one side is the inclined-plane, offers the measured hole on vertical inclined-plane on the inclined-plane, and the diameter of measured hole is all corresponding with the waist-shaped hole of workpiece with angle;
Two register pins are arranged at two dowel holes of body one side end face;
Measuring gage is arranged at the measured hole on centralized positioning pin inclined-plane.
2. cylinder waist-shaped hole shape measure measurer as claimed in claim 1 is characterized in that described measuring gage is a staircase structural model, and the rear end is the measuring point, and the length bar front end is the guiding position.
3. cylinder waist-shaped hole as claimed in claim 1 or 2 is measured measurer, it is characterized in that described measuring gage is respectively drift and no-go gage, and its diameter is respectively the lower limit and the upper limit of the waist-shaped hole diameter of workpiece.
4. cylinder waist-shaped hole shape measure measurer as claimed in claim 1 is characterized in that described two register pins are the rhombus pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202729314U CN201731839U (en) | 2010-07-27 | 2010-07-27 | Measuring instrument for cylinder kidney holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202729314U CN201731839U (en) | 2010-07-27 | 2010-07-27 | Measuring instrument for cylinder kidney holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201731839U true CN201731839U (en) | 2011-02-02 |
Family
ID=43522997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202729314U Expired - Lifetime CN201731839U (en) | 2010-07-27 | 2010-07-27 | Measuring instrument for cylinder kidney holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201731839U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706236A (en) * | 2012-06-13 | 2012-10-03 | 无锡市麦希恩机械制造有限公司 | Pin detection structure of inspection device |
| CN103673830A (en) * | 2013-12-14 | 2014-03-26 | 中国航空工业集团公司第六三一研究所 | Detection method of wedge part |
-
2010
- 2010-07-27 CN CN2010202729314U patent/CN201731839U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706236A (en) * | 2012-06-13 | 2012-10-03 | 无锡市麦希恩机械制造有限公司 | Pin detection structure of inspection device |
| CN103673830A (en) * | 2013-12-14 | 2014-03-26 | 中国航空工业集团公司第六三一研究所 | Detection method of wedge part |
| CN103673830B (en) * | 2013-12-14 | 2016-04-20 | 中国航空工业集团公司第六三一研究所 | A kind of detection method of wedge part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110202 |
|
| CX01 | Expiry of patent term |