CN202562422U - Large workpiece inner-outer taper measuring device - Google Patents
Large workpiece inner-outer taper measuring device Download PDFInfo
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- CN202562422U CN202562422U CN2012201552941U CN201220155294U CN202562422U CN 202562422 U CN202562422 U CN 202562422U CN 2012201552941 U CN2012201552941 U CN 2012201552941U CN 201220155294 U CN201220155294 U CN 201220155294U CN 202562422 U CN202562422 U CN 202562422U
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Abstract
The utility model discloses a large workpiece inner-outer taper measuring device, which comprises a main body support, a supporting member and a measuring gauge block. The main body support comprises two parallel short frames and two parallel long frames perpendicular to the two short frames, and two ends of the two long frames are respectively arranged on the two short frames in a fixed way. The supporting member comprises four balls with the same diameters which are symmetrically arranged at four corners on the lower part of the two short frames. The measuring gauge block is in a side-lying isosceles trapezoid shape, wherein the upper base, the lower base, the upper lateral and the lower lateral are respectively a small end positioning face, a large end positioning face, an indirect working face and a direct working face. The upper part of the measuring gauge block is fixedly arranged on the two short frames, the direct working face is a little higher than upper ends of the four balls, the small end positioning face and the large end positioning face are respectively exposed out of the short frames, and the angle between the direct working face and the indirect working face is equal to a theoretical value of a taper angle of a workpiece to be measured. The plane of the centers of the four balls is parallel to the direct working surface. The measuring device is simple in operation and high in measuring accuracy.
Description
Technical field
The utility model relates to a kind of measurement mechanism, particularly a kind of device that can be used for the inside and outside taper measurement of large-scale workpiece in the mechanical processing industry.
Background technology
When making taper hole and axis of cone part in the mechanical processing industry, its taper measurement is used the comparative measurement method and the indirect method of measurement usually.Comparative measurement method is with the rigidity measurer of forming certain angle and tested angle contrast, estimates the actual error of angle with being coated with color method, promptly measures Outer Taper with special measuring tool internal taper ring gauge, and taper plug gauge is measured inner cone.The problem that adopts this method to exist is: large-scale cone gauge high material consumption, and the manufacturing cycle is long, and difficulty of processing is big, and cost is high; Large and medium-sized cone gauge weight is big, and feeler gauge is semicircular canal, uses inconveniently, and gauge and measured workpiece anastomose property are bad, influence the product precision; Single-piece, small serial production special measuring tool quantity are many, and utilization factor is low, deposit and take care of difficulty.Adopting the indirect method of measurement, is through the relevant size of direct measurement, again through calculating tested angle.The indirect method of measurement can only be measured the small size gauge, generally can only do final detection, and can not be used for the inside and outside awl spare of processing is measured.
Summary of the invention
The purpose of the utility model be to provide a kind of precision high, use simply, the finished product of external taper control in can being used for can be used for the inside and outside conicity measurement mechanism of big workpiece of the employing direct measuring method of process quality control again.
To achieve these goals, the technical scheme of the utility model is following:
The inside and outside conicity measurement mechanism of a kind of big workpiece; Comprise main body rack, support member and Measurement of Gauge Block; Said main body rack comprises the two minor face frames that laterally arrange and two long margin frames parallel to each other that are provided with perpendicular to two minor face frames, and the two ends of said two long margin frames are packed in respectively on the two minor face frames; Said support member is to be symmetricly set in four jiaos of places, said two minor face frame bottoms and four identical spheroids of diameter; Said Measurement of Gauge Block is a tabular; Be the isosceles trapezoid of lying on one's side; Its upper and lower end and the waist that is positioned at the upper and lower constitute the small end locating surface respectively, hold locating surface, workplace and on-line operation face indirectly greatly, and said Measurement of Gauge Block bottom is packed on the two minor face frames, and its on-line operation face is a little more than the lower end of said four spheroids; Large and small end locating surface is stuck in said minor face frame respectively, and the angle between said on-line operation face and the said indirect workplace equals the theoretical value of workpiece for measurement cone angle; The plane parallel at the centre of sphere place of said four spheroids is in said on-line operation face.
For having to be measured of different cone angle theoretical value, respectively to different Measurement of Gauge Block should be arranged.As previously mentioned, when workpiece was measured, that Measurement of Gauge Block of selecting on-line operation face and indirect workplace angle to equal workpiece for measurement cone angle theoretical value was put into device and is carried out measuring operation.
Preferably, on each long margin frame of main body rack, be respectively arranged with an operating grip, to make things convenient for moving of main body rack.
Preferably, the bottom of the xsect of said Measurement of Gauge Block is wedge shape, tries one's best in the little scope so that possible the contact position of on-line operation face and to be measured cone narrows down to the center, improves the degree of accuracy of measurement.
Adopt the inside and outside conicity measurement mechanism of big workpiece of the utility model; Can whether qualified with the tapering that the situation that conforms to of standard value allowed band detects finished product according to measuring result of calculation; Can carry out the quality control of process according to the extent of deviation of measuring result of calculation and standard value allowed band again; And simple to operate, easy to use, precision is higher.
Description of drawings
Fig. 1 is the structural front view of the inside and outside conicity measurement mechanism of the big workpiece of the utility model;
Fig. 2 is the structure left view of the inside and outside conicity measurement mechanism of the big workpiece of the utility model;
Fig. 3 is the synoptic diagram that the inside and outside conicity measurement mechanism of the big workpiece of the utility model is measured external taper;
Fig. 4 is the synoptic diagram that the inside and outside conicity measurement mechanism of the big workpiece of the utility model is measured internal taper.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
Shown in Fig. 1 to 2, the inside and outside conicity measurement mechanism of a kind of big workpiece comprises main body rack 1, support member 2 and Measurement of Gauge Block 3.Main body rack 1 comprises the two minor face frame 1b that laterally arrange and the two long margin frame 1a parallel to each other that are provided with perpendicular to two minor face frame 1b, and the two ends of two long margin frame 1a are packed in respectively on the two minor face frame 1b.Support member 2 is for being symmetricly set in four jiaos of places, two minor face frame 1b bottoms and four identical spheroids of diameter.Measurement of Gauge Block 3 is a tabular; Be the isosceles trapezoid of lying on one's side; Its upper and lower end and the waist that is positioned at the upper and lower constitute small end locating surface 5 respectively, hold locating surface 4, workplace 7 and on-line operation face 6 indirectly greatly; Said Measurement of Gauge Block 3 bottoms are packed on the two minor face frame 1b; And its on-line operation face 6 is a little more than the lower end of said four spheroids, and large and small end locating surface 4,5 is stuck in said minor face frame 1b respectively, and the angle between said on-line operation face 6 and the said indirect workplace 7 equals the theoretical value of workpiece for measurement cone angle; The plane parallel at the centre of sphere place of said four spheroids is in said on-line operation face 6.
For the ease of operation, on each long margin frame of main body rack 1, also be respectively arranged with an operating grip 20.For the ease of measuring, the bottom of the xsect of Measurement of Gauge Block 3 is wedge shape.
As shown in Figure 3, when measuring external taper, the main body rack 1 of measurement mechanism is placed on to be measured the cone, and makes 4 supports of four spheroids and cone formation of support member 2.To put into rectangular through-hole with corresponding that Measurement of Gauge Block 3 of the theoretical cone angle number of degrees of to be measured cone; Make the on-line operation face 6 of Measurement of Gauge Block 3 be close to the bus of to be measured cone; The below of big end locating surface 4 is concordant with the top of to be measured cone small end, measure then big end locating surface 4 the tops to be measured cone small end below apart from M1.Subsequently, measurement mechanism is moved to the other end of to be measured cone, the below of the top that makes small end locating surface 5 and to be measured the big end of cone is concordant, measure then small end locating surface 5 the below to be measured the big end of cone the top apart from M2.Calculate the difference of M1-M2; When the cone angle of to be measured cone equals its theoretical value; The value of M1-M2 is for according to the standard size of Measurement of Gauge Block 3 and the standard value M0 that theoretical size calculated of workpiece, and according to be measured cone angle permissible error, M0 also has certain error allowed band.If the difference of the M1-M2 that calculates in the error allowed band of M0 the time, explains that to be measured cone angle is qualified; When if the difference of the M1-M2 that calculates exceeds the maximum permissible value of M0, explain that the small end of to be measured cone is bigger than normal; If when the difference of the M1-M2 that calculates is lower than the minimum permissible value of M0, explain that the small end of to be measured cone is less than normal.
As shown in Figure 4; When measuring internal taper; Similarly, the main body rack 1 of measurement mechanism is placed on to be measured the cone, and after making four spheroids and the cone of support member 2 form 4 supports; To put into rectangular through-hole with corresponding that Measurement of Gauge Block 3 of the theoretical cone angle number of degrees of to be measured cone; Make the on-line operation face 6 of Measurement of Gauge Block 3 be close to the bus of to be measured cone, the below of the below of holding locating surface 4 greatly and to be measured the big end of cone is concordant, measure then big end locating surface 4 the tops arrive to be measured the big end of cone the top apart from M2.Subsequently, measurement mechanism is moved to the other end of to be measured cone, makes the top of small end locating surface 5 concordant with the top of to be measured cone small end, measure then small end locating surface 5 the below to be measured cone small end the below apart from M1.Calculate the difference of M1-M2, if the difference of the M1-M2 that calculates in the error allowed band of standard value M0 the time, explains that to be measured cone angle is qualified; When if the difference of the M1-M2 that calculates exceeds the maximum permissible value of M0, explain that the big end of to be measured cone is less than normal; If when the difference of the M1-M2 that calculates is lower than the minimum permissible value of M0, explain that the big end of to be measured cone is bigger than normal.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement, these improve the protection domain that also should be regarded as the utility model.
Claims (3)
1. the inside and outside conicity measurement mechanism of a big workpiece; Comprise main body rack (1), support member (2) and Measurement of Gauge Block (3); It is characterized in that: said main body rack (1) comprises the two minor face frames (1b) that laterally arrange and two long margin frames (1a) parallel to each other that are provided with perpendicular to two minor face frames (1b), and the two ends of said two long margin frames (1a) are packed in respectively on the two minor face frames (1b); Said support member (2) is for being symmetricly set in four jiaos of places, said two minor face frame (1b) bottoms and four identical spheroids of diameter; Said Measurement of Gauge Block (3) is a tabular; Be the isosceles trapezoid of lying on one's side; Its upper and lower end and the waist that is positioned at the upper and lower constitute small end locating surface (5) respectively, hold locating surface (4), workplace (7) and on-line operation face (6) indirectly greatly; Said Measurement of Gauge Block (3) bottom is packed on the two minor face frames (1b); And its on-line operation face (6) is a little more than the lower end of said four spheroids, and large and small end locating surface (4,5) is stuck in said minor face frame (1b) respectively, and the angle between said on-line operation face (6) and the said indirect workplace (7) equals the theoretical value of workpiece for measurement cone angle; The plane parallel at the centre of sphere place of said four spheroids is in said on-line operation face (6).
2. the inside and outside conicity measurement mechanism of big workpiece according to claim 1 is characterized in that: on each said long margin frame of said main body rack (1), be respectively arranged with an operating grip (20).
3. the inside and outside conicity measurement mechanism of big workpiece according to claim 1, it is characterized in that: the bottom of the xsect of said Measurement of Gauge Block (3) is wedge shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201552941U CN202562422U (en) | 2012-04-13 | 2012-04-13 | Large workpiece inner-outer taper measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201552941U CN202562422U (en) | 2012-04-13 | 2012-04-13 | Large workpiece inner-outer taper measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202562422U true CN202562422U (en) | 2012-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201552941U Expired - Lifetime CN202562422U (en) | 2012-04-13 | 2012-04-13 | Large workpiece inner-outer taper measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202562422U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234434A (en) * | 2013-04-25 | 2013-08-07 | 金顺重机（江苏）有限公司 | Internal taper detection device and method |
| CN107504887A (en) * | 2017-09-29 | 2017-12-22 | 长春中车轨道车辆有限公司 | Axle for vehicle taper detection auxiliary implement and method |
-
2012
- 2012-04-13 CN CN2012201552941U patent/CN202562422U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234434A (en) * | 2013-04-25 | 2013-08-07 | 金顺重机（江苏）有限公司 | Internal taper detection device and method |
| CN107504887A (en) * | 2017-09-29 | 2017-12-22 | 长春中车轨道车辆有限公司 | Axle for vehicle taper detection auxiliary implement and method |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121128 |