CN202582458U - Tapered-hole measuring device for large tapered bore workpieces - Google Patents
Tapered-hole measuring device for large tapered bore workpieces Download PDFInfo
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- CN202582458U CN202582458U CN 201220121085 CN201220121085U CN202582458U CN 202582458 U CN202582458 U CN 202582458U CN 201220121085 CN201220121085 CN 201220121085 CN 201220121085 U CN201220121085 U CN 201220121085U CN 202582458 U CN202582458 U CN 202582458U
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- benchmark cylinder
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Abstract
The utility model relates to a tapered-hole measuring device used for large tapered bore workpieces, comprising a supporting plate, at least more than two movable pressing plates, a standard column, a first measuring ball and a second measuring ball, wherein the supporting plate is used to supporting a workpiece; the movable pressing plates are used for tightly clamping the workpiece; the standard column is used for matching with an inner hole of the workpiece; and the first and second measuring balls have different diameters; the standard column is hollow; the bottom surface of the standard column is connected to the supporting plate; the central axis of the standard column is vertical with the supporting surface of the workpiece of the supporting plate; the supporting is provided with at least two movable pressing plates; and during measurement, the first and second measuring balls are respectively connected to the standard column and the tapered surface of the tapered hole of the workpiece axially at the same position. The tapered-hole measuring device disclosed by the utility model has the characteristics of improving measuring precision and working efficiency and reducing measuring cost.
Description
Technical field
The utility model relates to a kind of bellmouth measurement mechanism that is used for the auger hole workpiece, belongs to big taper hole grinding of axial workpiece and field of measuring technique.
Background technology
In the prior art; Part for the conelet pore structure is generally processed taper hole on horizontal hone, because the central axis of workpiece is parallel with worktable, be fixed on workpiece on the worktable with anchor clamps; Through emery wheel the taper hole of workpiece is carried out grinding; After grinding is intact,, measure the height value of feeler gauge upper surface and workpiece upper surface with the taper hole of putting into workpiece behind the inspection feeler gauge tapering surfaces coated last layer red lead powder; Calculate process redundancy through the contact area of the range estimation feeler gauge conical surface and the height value of feeler gauge upper surface and workpiece upper surface, regulate the tapering processing request that grinding carriage guarantees the workpiece taper hole.But when measuring,, rely on the subjective assessment of vision simultaneously fully with the tapering of painted ocular estimate judge taper hole if will check the height value that firmly too gently or too suddenly all can influence its both ends of the surface when feeler gauge is put into taper hole.
And for as external diameters such as wind-powered electricity generation planetary gear greater than 400mm, taper hole when the big workpiece of 200mm process taper hole on the horizontal hone owing to can't adopt, generally adopt vertical grinder processing; Because the taper hole of workpiece is bigger, need makees a very big inspection feeler gauge for this reason and detect, because the self gravitation of inspection feeler gauge can influence measuring accuracy; Inconvenient again operating personnel operate simultaneously; Not only labour intensity is big, simultaneously for the short structure of some taperings, under the situation of big cone angle; The self-locking performance that feeler gauge is filled in behind the taper hole is bad again, and the measuring accuracy of this measuring method will be affected.Above-mentioned technology can't realize the taper hole on-line measurement and the processing of this type of wind-powered electricity generation planetary gear auger pore structure part.
In order to address this problem; CN101082477A disclosed " meter for conic hole "; Constitute by dial bore gage, terminal pad, locating device and ring standard gauge, be exclusively used in the measurement of big taper hole, but this device need dispose measurement components such as different standard gauges and gauge rod to each tested taper hole; Because dial bore gage, terminal pad, the locating device of measurement mechanism need fit together and could use, and the precision of the measurement mechanism after the assembling all can cause certain measuring errors.In addition; This measurement mechanism be with measured workpiece put on and accurate gauge on error amount between the corresponding point judge tapering, this measuring method difficult point be to measure measured workpiece put on accurate gauge on the position of corresponding point be difficult to be consistent, can have operate miss in the measuring process; Influence measuring accuracy; This measurement mechanism has proposed very high requirement to operating personnel's operative skill simultaneously, because efficiency of measurement is not high, can influence the working (machining) efficiency of taper hole.
Summary of the invention
The purpose of the utility model provides and a kind ofly can improve measuring accuracy and work efficiency, reduces the bellmouth measurement mechanism that is used for the auger hole workpiece of measuring cost.
The utility model is that the technical scheme that achieves the above object is: a kind of bellmouth measurement mechanism that is used for the auger hole workpiece; It is characterized in that: comprise the support plate, the moving press plate that is used for clamping work pieces at least more than two that are used for holding workpieces, be used for benchmark cylinder and two the first amount ball and second amount balls that diameter does not wait of matching with the workpiece endoporus; Described benchmark cylinder is the hollow shape; And its bottom surface of benchmark cylinder and support plate join; The central axis of benchmark cylinder is vertical with the workpiece bearing surface of support plate; At least two moving press plates are installed on the support plate, and first the during measurement amount ball and the second amount ball join with the conical surface of benchmark cylinder and workpiece taper hole respectively at same position vertically.
The utility model adopt holding workpieces support plate, be used for more than at least two clamping work pieces moving press plate, be used for the benchmark cylinder that matches with the workpiece endoporus and be used for joining the first amount ball and the second amount ball as measurement mechanism with workpiece taper hole and benchmark cylinder; The amount ball of benchmark cylinder and two different-diameters adopts etalon; And workpiece is fixed on the support plate through moving press plate; The endoporus of benchmark cylinder and workpiece is matched; The first amount ball when measuring and the second amount ball join at the same position and the conical surface of benchmark cylinder and workpiece taper hole respectively vertically, therefore can be through recording the first amount ball ball top and the distance of basic circle styletable face and the distance of the second amount ball ball top and basic circle styletable face, and can obtain the measured taper value α of workpiece; Convenient measurement operation, and can improve efficiency of measurement.The utility model makes full use of existing measurer in the production; Only need record the distance between two amount balls and the basic circle styletable face, can record the taper value of workpiece taper hole, owing to need not customize special measurer; And only need workpiece to be positioned through support plate and benchmark cylinder; Can record the taper value of taper hole through two amount balls, and get rid of the combined error of particular amount tool in assembling process, not only measuring accuracy is high; And reduce operating personnel's operative skill and labour intensity, can limit the low cost of measuring significantly.
Description of drawings
Below in conjunction with accompanying drawing the embodiment of the utility model is made further detailed description.
Fig. 1 is that the auger hole workpiece is installed in the structural representation on the support plate.
Fig. 2 is the structural representation of the bellmouth measurement mechanism of the utility model auger hole workpiece.
Wherein: 1-workpiece, 11-taper hole, 12-endoporus, 2-moving press plate, 3-support plate, the 4-second amount ball, the 5-first amount ball, 6-benchmark cylinder, 61-handle.
Embodiment
See Fig. 1, shown in 2, the utility model is used for the bellmouth measurement mechanism of auger hole workpiece, comprises the support plate 3, the moving press plate 2 that is used for clamping work pieces at least more than two that are used for holding workpieces, is used for benchmark cylinder 6 and two the first amount ball 5 and second amount balls 4 that diameter does not wait of matching with workpiece endoporus 12; The benchmark cylinder 6 of the utility model and the first amount ball 5 and the second amount ball 4 adopt the prior standard measurer; This benchmark cylinder 6 is the hollow shape, and the top of this benchmark cylinder 6 is fixed with handle 61, so that operation; Benchmark cylinder 6 its bottom surfaces and support plate 3 join; The central axis of benchmark cylinder 6 is vertical with the work mounting s face of support plate 3, and the benchmark cylinder 6 of the utility model can be placed on the support plate 3, or benchmark cylinder 6 is fixedly connected with support plate 3; At least two moving press plates 2 are installed on the support plate 3; With workpiece 1 fixing the measurement, the utility model is provided with at least two mounting grooves on support plate 3, in each mounting groove tommyhead bolt is installed through moving press plate 2; Conveniently tommyhead bolt is installed on the support plate 3; Tommyhead bolt passes the spacing slotted eye on the moving press plate 2 and is connected with nut, when nut unclamps, makes moving press plate 2 along moving in its stopper slot; And conveniently assemble and disassemble workpiece 1, first during measurement amount ball 5 and the second amount ball 4 join with the conical surface of the taper hole 11 of benchmark cylinder 6 and workpiece 1 respectively at same position vertically.
See shown in Figure 2ly, when the utility model is measured the workpiece taper hole, workpiece 1 is placed on the support plate 3; And it is fixing through moving press plate 2; Benchmark cylinder 6 is placed in the endoporus 12 of workpiece 1, or workpiece 1 is enclosed within on the benchmark cylinder 6 and is placed on the support plate 3, fixing with moving press plate 2; The diameter of this benchmark cylinder 6 is Dl; And the distance that benchmark cylinder 6 upper surfaces exceed workpiece end face is h, and the distance h that this benchmark cylinder 6 exceeds workpiece end face is at 5～100mm, is that the first amount ball 5 and the diameter of d is that the second amount ball 4 of D is put into the awl chamber with diameter respectively at same position; Measure first respectively and measure ball 5 balls top and the distance H d of basic circle styletable face and the distance H D of the second amount ball 4 balls top and basic circle styletable face; And the second amount ball 4 diameter D are greater than the first amount ball, 5 diameter d, calculate half measurement taper value α of workpiece 1 taper hole 11 with formula tan α=(D-d)/2 (Hd-HD)-(D-d), record the measurement taper value α at least three places respectively with this; Can measure by 3～5 positions that are uniformly distributed with along awl chamber circumferencial direction, judge whether workpiece 1 taper hole 11 reaches the processing request of regulation; Use formula Dc=Dl+2 [D/2+ (HD-h+D/2) tan2 α+D/2sin (90-2 α)] to calculate the outside diameter Dc of workpiece taper hole 11 simultaneously; Whether qualified with this taper hole 11 that detects workpiece; The utility model can be installed in measurement mechanism on the worktable of vertical grinder; Online workpiece taper hole 11 is added, measure man-hour; And according to measuring the twice adjusting grinding carriage of taper value α with the tapering difference of designing requirement; To regulate grinding angle, regulate the depth of cut through measuring taper hole 11 outside diameter Dc with requiring taper hole 11 outside diameter Dc differences equally, therefore can realize the taper hole on-line measurement of auger pore structure part well through the measurement mechanism of the utility model.
Claims (4)
1. bellmouth measurement mechanism that is used for the auger hole workpiece; It is characterized in that: the first amount ball (5) that the benchmark cylinder (6) that comprise the support plate (3), the moving press plate (2) that is used for clamping work pieces at least more than two that are used for holding workpieces, is used for matching with workpiece endoporus (12) and two diameters do not wait is measured balls (4) with second; Described benchmark cylinder (6) is the hollow shape; And its bottom surface of benchmark cylinder (6) and support plate (3) join; The central axis of benchmark cylinder (6) is vertical with the workpiece bearing surface of support plate (3); At least two moving press plates (2) are installed on the support plate (3), and first during measurement amount ball (5) and second is measured ball (4) and is joined with the conical surface of benchmark cylinder (6) and workpiece taper hole respectively at same position vertically.
2. the bellmouth measurement mechanism that is used for the auger hole workpiece according to claim 1 is characterized in that: the top of said benchmark cylinder (6) is fixed with handle (61).
3. the bellmouth measurement mechanism that is used for the auger hole workpiece according to claim 1 is characterized in that: said benchmark cylinder (6) is fixedly connected with support plate (3).
4. the bellmouth measurement mechanism that is used for the auger hole workpiece according to claim 1; It is characterized in that: said support plate (3) is provided with at least two mounting grooves; In each mounting groove tommyhead bolt is installed, tommyhead bolt passes the spacing slotted eye on the moving press plate (2) and is connected with nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220121085 CN202582458U (en) | 2012-03-28 | 2012-03-28 | Tapered-hole measuring device for large tapered bore workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220121085 CN202582458U (en) | 2012-03-28 | 2012-03-28 | Tapered-hole measuring device for large tapered bore workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202582458U true CN202582458U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220121085 Expired - Fee Related CN202582458U (en) | 2012-03-28 | 2012-03-28 | Tapered-hole measuring device for large tapered bore workpieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202582458U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151625A (en) * | 2017-12-07 | 2018-06-12 | 沈阳航天新光集团有限公司 | A kind of internal taper hole conicity measurement mechanism and its measuring method |
| CN108180861A (en) * | 2018-03-26 | 2018-06-19 | 成都华川电装有限责任公司 | Flywheel taper hole depth detection apparatus and its detection method |
-
2012
- 2012-03-28 CN CN 201220121085 patent/CN202582458U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151625A (en) * | 2017-12-07 | 2018-06-12 | 沈阳航天新光集团有限公司 | A kind of internal taper hole conicity measurement mechanism and its measuring method |
| CN108180861A (en) * | 2018-03-26 | 2018-06-19 | 成都华川电装有限责任公司 | Flywheel taper hole depth detection apparatus and its detection method |
| CN108180861B (en) * | 2018-03-26 | 2024-04-02 | 成都华川电装有限责任公司 | Flywheel taper hole depth detection device and detection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20170328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |