CN101693349A - Active measuring device of end surface of CNC internal grinding machine - Google Patents
Active measuring device of end surface of CNC internal grinding machine Download PDFInfo
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- CN101693349A CN101693349A CN200910152672A CN200910152672A CN101693349A CN 101693349 A CN101693349 A CN 101693349A CN 200910152672 A CN200910152672 A CN 200910152672A CN 200910152672 A CN200910152672 A CN 200910152672A CN 101693349 A CN101693349 A CN 101693349A
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- floral disc
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- shaft coupling
- location
- tracheae
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Abstract
The invention discloses an active measuring device of the end surface of a CNC internal grinding machine, comprising a machine tool chuck, a pressing cover, a regulating grinding head, a pneumatic micrometer, a positioning floral disc and a shaft coupler for coupling a head box of a machine tool. The end of the pressing cover with a milling flute is tightly matched with the positioning floral disc which is locked and fixed on an air pipe by a thread through hole on the pressing cover; the end of the pneumatic micrometer with the air pipe is inserted into a main shaft from one end of the machine tool chuck and is fixed on the shaft coupler on the end of the machine tool; three air hole branches on the other end of the air pipe are locked on the rest thread holes of the positioning floral disc and sealed by corresponding positioning bolts internally provided with ventilating holes; the regulating grinding head is positioned near the positioning floral disc; the air flow of the pneumatic micrometer is introduced by the shaft coupler with an air pipe connector and enters the space between the positioning floral disc and the pressing cover by the air pipe; the air flow is branched on the three air holes on the positioning floral disc by the air pipe and the blocked size of air flow quantity responds to the flopping size of a measured end surface. The active measuring device effectively enhances the labor efficiency and reduces the labor strength and the potential safety hazard.
Description
Technical field
The invention belongs to circle roll flute wheel processing technique field in the numerical control, be specifically related to a kind of active measurement mechanism of end face location.
Background technology
Numeral-controlled internal grinder is used for the lathe of grinding part endoporus, because the advantage of its machining accuracy and efficient, numerical control internal grinding lathe is extensively utilization aborning, workpiece is before beginning processing, at first must make workpiece occupy a certain correct position on lathe or in the anchor clamps, this process is called the location; In existing numerical control internal grinding technology, not with the similar anchor clamps that can improve positioning accuracy effectively and rapidly of the present invention, existing technology is: owing to there is not special device can guarantee automatically behind clamping that workpiece end face beats, can only adopt behind the clamping manually by beating the method for calibrating end face shown, this localization method exists following defective:
(1), this direct centering clamping method efficient is low, labour intensity is big: it is with dial gauge or estimates the directly centering location of workpiece on lathe.Owing to behind clamping, place dial gauge and gauge stand again, make the dial gauge gauge outfit under certain pressure, touch workpiece end face, and then use the hand rotating chuck, the numerical value that shows according to the pointer of dial gauge is determined workpiece, and whether clamping is correct, if workpiece does not install to suitable position, just needs again clamping workpiece to repeat to beat the table checking again, so just cause that production time per piece is long, efficient is low, artifical influence factor is big, and labour intensity is very big, consumes operator's muscle power greatly.
(2), amount cubing cost height, there is a large amount of cutting fluids in positions such as internal grinding workbench and anchor clamps, make dial gauge be in the wet environment inevitably always, cutting fluid easily enters dial gauge inside, damage dial gauge, and very unfavorable to the precision that keeps dial gauge etc., thus service life of dial gauge shortened greatly, the cost of measurer is remained high.
(3), potential safety hazard is big: in the whole operation engineering, emery wheel is rotation at a high speed always, and operating personnel must protect the vigilance of height, long-time high-pressure operation need be born powerful psychological pressure, aspects such as psychology to the workman produce harmful effect, easily cause injury to personnel, have very big potential safety hazard.
Therefore workpiece to be machined obtains the certain position precision and then guarantees machining accuracy in the machining in order to obtain, and those skilled in the art are devoted to seek to obtain the high end face calibration steps of positioning accuracy always.
Summary of the invention
The present invention has overcome the shortcoming that existing location technology efficient is low, labour intensity is big, potential safety hazard is big and the measurer cost is high, the active measuring device of end surface of CNC internal grinding machine that provide a kind of accurate positioning, machining accuracy height, good stability, effectively reduces manufacturing cost and increase work efficiency.
The present invention realizes that above-mentioned purpose adopts following scheme:
A kind of active measuring device of end surface of CNC internal grinding machine, it is characterized in that comprising machine chuck, gland, regulate bistrique, air-gauge, location floral disc and the shaft coupling that is used to connect the lathe headstock with 6 air channels, the location floral disc has adapt 6 groups and every group of processing of a plurality of end face sizes according to workpiece to be machined and includes 3 identical screwed holes that are distributed in the location floral disc of centre-to-centre spacing, gland has an end and location floral disc close-fitting of groove milling, tapped through hole on the gland will be located floral disc and will be locked on tracheae, tracheae one end of air-gauge inserts the end that main shaft is fixed in the tailstock tool shaft coupling from an end of machine chuck, three pore branches of the tracheae other end are locked in the location floral disc by the dog screw of establishing passage in corresponding, the screw sealing of all the other screwed holes of location floral disc to match with it, regulating bistrique is positioned at and opens near the location floral disc that is easy to behind the lathe will outstanding dog screw end face polish, the air communication of air-gauge is crossed a end that shaft coupling is equipped with gas-tpe fitting and is introduced by tracheae and enter between location floral disc and the gland, by tracheae with air flows to three pores of location on the floral disc, the size that throughput is intercepted reacts on the beat size of measured end face.
Further, described shaft coupling comprises shaft coupling housing, gas-tpe fitting, bearing, rotating shaft and seal cover, the gas-tpe fitting end of thread is locked in the shaft coupling housing, the inwall of shaft coupling housing has stepped hole, pack into the stepped hole of shaft coupling housing of bearing, the bearing front end is provided with sealing ring, the front end diameter of axle close-fitting of bearing and ring inner hole and rotating shaft, the rotating shaft rear end is inserted in external screw thread and the shaft coupling housing screw-internal thread fit of seal cover by seal cover and is screwed, and rotating shaft rear end internal orifice dimension and tracheae match.
The location floral disc that six air channels are arranged in active measuring device of end surface of CNC internal grinding machine of the present invention is designed to the end face location backup plate of justifying grinding jig in the numerical control, size design according to a plurality of workpiece end faces on floral disc includes 3 screwed holes that centre-to-centre spacing is identical and uniform for 6 groups and every group, floral disc is fixed on the lathe with bolt by three holes of having bored, select one group of suitable screwed hole according to the end face size of workpiece to be machined again, after loading onto the dog screw that is provided with passage, again all the other screwed holes are sealed with the screw that matches with it, prevent gas leakage; Open lathe then, regulate bistrique outstanding dog screw end face is polished, so just guaranteed the up rightness of locating surface and main shaft.Last an end of tracheae is locked on the floral disc of location, the other end is fixed in an end of tailstock tool shaft coupling by main shaft again, air communication is crossed the end that shaft coupling is equipped with gas-tpe fitting introduce, and just can carry out end surface measurement.
In process, be adjacent to if workpiece end face is parallel with locating surface, being branched off into three the pore throughputs of location on the floral disc by single tube air-gauge breather pipe will be intercepted and diminished, the buoy that is embodied on the single tube air-gauge will drop in the scope of technology permission, and be in the optimum position, so just can process by clamping.If workpiece end face does not have parallel being adjacent to locating surface, just having one or two pore air-flow in three pores on the locating surface can not well be intercepted, this moment, the single tube air-gauge will become big by three pore synthetic gas stream amounts that tracheae is branched off on the floral disc of location, the buoy fall that is embodied on the single tube air-gauge will diminish, even do not descend, so just exceed the scope that technology allows, the operator regulates the location of workpiece, buoy on the single tube air-gauge is reduced in the scope of technology permission, and be in optimal position, and then clamping is processed.
Compare by the method for manual measurement behind the active measuring device of end surface of CNC internal grinding machine of the present patent application and the prior art clamping:
(1), effectively raise labour efficiency, significantly reduce labour intensity: former single clamping workpiece needs 12-15 consuming time second, now only needs 3 seconds.Originally clamping workpiece well at first will be installed dial gauge, and rotating chuck is played table checking again, needs generally speaking just can be installed to proper state two to three times, and labour intensity is very big.Only need a direct clamping to get final product success and the present invention is general, reduced difficulty of processing to greatest extent: former clamping step is simplified to minimum, significantly reduced difficulty of processing.
(2), improve machining accuracy: come under the folder mode at common dress, to adjust by the reading of dial gauge, and the indicating value of dial gauge does not have indicating accuracy's height of existing air-gauge obviously, and rotational workpieces just can be adjusted to minimum state with end face run-out easily gently.
(3), the efficient replacing: the present invention uses has very big versatility, changes frock speed than prior art and improves 3 to 5 times.
(4), reduce potential safety hazard: reduced the process of playing table, thereby dropped to minimum to the potential safety hazard of this work step on the emery wheel limit of rotation at a high speed.
(5), manufacturing cost reduces: the present invention adopts air-gauge, and its gage outfit does not directly contact with measured surface, reduces the influence of ergometry to measurement result, avoid scratching the measured piece surface simultaneously, because non-cpntact measurement, gage outfit can reduce wear, expanded service life.Adopt flexible pipe to connect between air-gauge main body and the gage outfit, can realize telemeasurement, avoided the infringements such as corrosion of cutting fluid.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of location floral disc.
Fig. 3 is the cut-away view of location floral disc.
Reference numeral is among the figure: 1 is gas-tpe fitting, and 2 is the shaft coupling housing, and 3 is bearing, and 4 is sealing ring, and 5 is rotating shaft, 6 is seal cover, and 7 is tracheae, and 8 is gland, and 9 are the location floral disc, 10 is workpiece to be machined, and 11 is the lathe headstock, and 12 is machine chuck, and 13 is main shaft.
The specific embodiment
Come the present invention is further specified below in conjunction with specific embodiment,
The location structure of prior art, suppose the clamping in corase grind workpiece φ 14H7 hole, with workpiece with two top withstanding, adjust the position of closed center rest, adjust a vertical supporting (this supporting is the supporting that is subjected to gravity) earlier, it is contacted with workpiece, be placed on it to planar survey with dial gauge, the dial gauge pointer can not have swing; Adjust supporting of level then, supporting-point is contacted with workpiece, turn down and make supporting-point to contact a top expansion bearing at last with surface of the work.Remove tailstock, whether the dial gauge pointer of observing near centre frame place cylindrical has swing, if oscillating quantity less than 0.003mm, just can be processed; Adjustment is bad if oscillating quantity, illustrates centre frame greater than 0.003mm, and the center of centre frame does not overlap with the pivot of workpiece, need readjust the centre-height of centre frame, so the prior art location efficiency is low, labour intensity is big.
Fig. 1-3 is shown as a kind of active measuring device of end surface of CNC internal grinding machine of the present invention, comprises the end face location backup plate of circle grinding jig in lathe, main shaft, adjusting bistrique and the numerical control.
End face location backup plate has the location floral disc 9 of six air channels in being, location floral disc 9 has 6 groups and every group of processing according to a plurality of workpiece end faces and includes 3 identical screwed holes that are distributed in the location floral disc of centre-to-centre spacing, and location floral disc 9 is fixed in the gland 8 of lathe.
One group of screwed hole that the end face size of location floral disc 9 and workpiece to be machined adapts is fixed with the interior dog screw of establishing passage, the screw sealing of all the other screwed holes to match with it.
Regulating bistrique is positioned at and opens near the location floral disc that is easy to behind the lathe will outstanding dog screw end face polish, air-gauge by tracheae 7 with air flows to three pores of location on the floral disc, the size of the throughput of being intercepted by throughput is measured beating of end face.
Tracheae 7 inserts main shaft 13 from an end of machine chuck 12, be locked in the location floral disc, the other end is fixed in shaft coupling 2 one ends of tailstock tool, and the air communication of air-gauge is crossed a end that shaft coupling 2 is equipped with gas-tpe fitting and introduced by tracheae and enter between location floral disc 9 and the gland 8.
Described shaft coupling 2 comprises shaft coupling housing 2, gas-tpe fitting 1, bearing 7, rotating shaft 5 and seal cover 6, gas-tpe fitting 1 end of thread is locked in shaft coupling housing 2, the inwall of shaft coupling housing 2 has stepped hole, pack into the stepped hole of shaft coupling housing of bearing 7, the bearing front end is provided with sealing ring, the front end diameter of axle close-fitting of bearing and ring inner hole and rotating shaft, seal cover 6 is inserted in rotating shaft 5 rear ends, external screw thread and shaft coupling housing 2 screw-internal thread fit by seal cover 6 screw, and rotating shaft 5 rear end internal orifice dimensions and tracheae 7 match.
During assembling: an end that gland 8 is had groove milling is by diagram aspect and location floral disc 9 close-fittings, and the location floral disc that utilizes the tapped through hole on the gland 8 to assemble again is locked on tracheae 7.
The end of tracheae 7 from machine chuck inserted in the main shaft, will locate floral disc 9 then and be fixed on the lathe.
Pre-designed gas-tpe fitting 1 end of thread is locked in an end of shaft coupling housing 2, and bearing 3 and the sealing ring 4 that will choose in advance again is contained in respectively on the diameter of axle of the rotating shaft 5 that designs according to bearing 3 and sealing ring 4 interior hole sizes sequentially.To install bearing 3 and the rotating shaft 5 of sealing ring 4 again and pack in the stepped hole of shaft coupling housing 2, and at last seal cover 6 be screwed the screw-internal thread fit of its external screw thread and shaft coupling housing 2 after by the other end of rotating shaft 5 again, whole like this shaft coupling installs.
Rotating shaft 5 and tracheae 7 by being threaded, are locked shaft coupling in the cavity of the special placement shaft coupling that designs by screw at last on tailstock.
The single tube air-gauge is connected on the interface of gas-tpe fitting.Entire measuring device just installs like this.The requirement of existing equipment and processing technology has well been satisfied in this invention, can be widely used in various non-full-automatic numerical control internal grinders.
Though the present invention illustrates and describes by the reference preferred embodiment, do not limit the invention to these specific embodiment.Those skilled in the art should understand, and in the scope of claims, can do the various variation on form and the details, are equal to replace or arbitrary combination.
Claims (2)
1. active measuring device of end surface of CNC internal grinding machine, it is characterized in that comprising machine chuck, gland, regulate bistrique, air-gauge, location floral disc and the shaft coupling that is used to connect the lathe headstock with 6 air channels, the location floral disc has adapt 6 groups and every group of processing of a plurality of end face sizes according to workpiece to be machined and includes 3 identical screwed holes that are distributed in the location floral disc of centre-to-centre spacing, gland has an end and location floral disc close-fitting of groove milling, tapped through hole on the gland will be located floral disc and will be locked on tracheae, tracheae one end of air-gauge inserts the end that main shaft is fixed in the tailstock tool shaft coupling from an end of machine chuck, three pore branches of the tracheae other end are locked in the location floral disc by the dog screw of establishing passage in corresponding, the screw sealing of all the other screwed holes of location floral disc to match with it, regulating bistrique is positioned at and opens near the location floral disc that is easy to behind the lathe will outstanding dog screw end face polish, the air communication of air-gauge is crossed a end that shaft coupling is equipped with gas-tpe fitting and is introduced by tracheae and enter between location floral disc and the gland, by tracheae with air flows to three pores of location on the floral disc, the size that throughput is intercepted reacts on the beat size of measured end face.
2. active measuring device of end surface of CNC internal grinding machine as claimed in claim 1, it is characterized in that shaft coupling comprises the shaft coupling housing, gas-tpe fitting, bearing, rotating shaft and seal cover, the gas-tpe fitting end of thread is locked in the shaft coupling housing, the inwall of shaft coupling housing has stepped hole, pack into the stepped hole of shaft coupling housing of bearing, the bearing front end is provided with sealing ring, the front end diameter of axle close-fitting of bearing and ring inner hole and rotating shaft, the rotating shaft rear end is inserted in external screw thread and the shaft coupling housing screw-internal thread fit of seal cover by seal cover and is screwed, and rotating shaft rear end internal orifice dimension and tracheae match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101526723A CN101693349B (en) | 2009-09-17 | 2009-09-17 | Active measuring device of end surface of CNC internal grinding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101526723A CN101693349B (en) | 2009-09-17 | 2009-09-17 | Active measuring device of end surface of CNC internal grinding machine |
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| Publication Number | Publication Date |
|---|---|
| CN101693349A true CN101693349A (en) | 2010-04-14 |
| CN101693349B CN101693349B (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101526723A Active CN101693349B (en) | 2009-09-17 | 2009-09-17 | Active measuring device of end surface of CNC internal grinding machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913750A (en) * | 2015-06-11 | 2015-09-16 | 湖北汽车工业学院 | Air-cushion-type measuring head mechanism of automobile wheel detection machine |
| CN110434363A (en) * | 2019-09-20 | 2019-11-12 | 咸阳圣亚机电设备有限公司 | End face positions workpiece holding structure and detection method |
-
2009
- 2009-09-17 CN CN2009101526723A patent/CN101693349B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913750A (en) * | 2015-06-11 | 2015-09-16 | 湖北汽车工业学院 | Air-cushion-type measuring head mechanism of automobile wheel detection machine |
| CN104913750B (en) * | 2015-06-11 | 2018-04-24 | 湖北汽车工业学院 | A kind of automotive wheel detection machine air-cushion type head mechanism |
| CN110434363A (en) * | 2019-09-20 | 2019-11-12 | 咸阳圣亚机电设备有限公司 | End face positions workpiece holding structure and detection method |
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| Publication number | Publication date |
|---|---|
| CN101693349B (en) | 2012-05-23 |
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Denomination of invention: Active measuring device of end surface of CNC internal grinding machine Effective date of registration: 20171208 Granted publication date: 20120523 Pledgee: Industrial Commercial Bank of China Ltd Yuhuan branch Pledgor: Zhejiang Shuanghuan Driveline Co., Ltd. Registration number: 2017330000264 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Date of cancellation: 20210902 Granted publication date: 20120523 Pledgee: Industrial Commercial Bank of China Ltd. Yuhuan branch Pledgor: ZHEJIANG SHUANGHUAN DRIVELINE Co.,Ltd. Registration number: 2017330000264 |