CN207447246U - A kind of multiple tooth on-line measuring device of straight bevel gear finish forge - Google Patents

Abstract

A kind of multiple tooth on-line measuring device of straight bevel gear finish forge, including：Straight bevel gear, gear positioning clamp, positioning fixture swing mechanism, pedestal, lathe bed, vertical slide unit, vertical ball guide screw nat, horizontal sliding table, horizontal ball guide screw nat, angling cylinder, non-contact laser gauge head, laser feeler protective cover, data cable, computer；As a result of non-contact laser gauge head so that workpiece self-temperature is almost on measurement result without influence.By the on-line checking to chordal tooth thickness, relative altitude size and gear surface defect, the real time monitoring to straight bevel gear finish forge effect is realized.By vertical slide unit and the moving interpolation of horizontal sliding table, coordinate the rotary motion of angling cylinder and positioning fixture swing mechanism, realize the on-line checking to high temperature finish forge straight-tooth straight bevel gear by four simple motions, ensure that the accuracy of detection.It can be in the hot lower detection completed to chordal tooth thickness, forging die height and the multiple tooth surface defects of gear.

Description

A kind of multiple tooth on-line measuring device of straight bevel gear finish forge

Technical field

The utility model belongs to mechanical manufacturing field, is related to a kind of multiple tooth on-line measuring device of straight bevel gear finish forge.

Background technology

In processing technology is forged, precision forging is a kind of few without NEW CUTTING TECHNOLOGY.Gear precision forging is exactly to pass through essence Close forging directly obtains the complete gear teeth, and the flank of tooth is not required to or only needs the i.e. workable Gear Manufacturing Technology of finishing a little.Finish forge Gear has good mechanical property, and stock utilization is high, it is low in the pollution of the environment the advantages that, be gradually widely adopted.

In order to ensure the quality of PRECISION-FORGED STRAIGHT BEVEL GEARS, it is necessary to carry out on-line checking to it.Existing fabrication evaluation belongs to The detection of human contact's formula, the means that control afterwards, after the completion of straight bevel gear machining, on gear inspector, using connecing The method of touch detection detects the projects such as tooth pitch, surface deviation, overall size.This detection mode is primarily present problems with：

1）Testing result information transmission speed is slow, need to wait until that a collection of work pieces process is complete, could be examined on special equipment It surveys to judge that straight bevel gear is qualified or not.

2）High rejection rate, when the unqualified situation of forging caused by mold occur and filling the generation abrasion of incomplete or mold, It is not easy to be discovered in time, causes to generate a large amount of unqualified workpiece in succession.And it needs further to go to analyze defective work generation The reason for, it may be possible to axial modification problem, die wear problem, workpiece orientation problem or other problems.Judge these problem expenses When it is laborious, work efficiency is low.

3）Room temperature gear part can only be detected, it is impossible to detect high temperature gear part.

It to sum up analyzes, current gear precision forging industry, the method there are no a set of maturation goes to realize to finish forge straight-tooth cone tooth The on-line checking of wheel, and then can not find unqualified workpiece in time, once there is die wear or forging pressure set it is improper etc. During problem, a large amount of substandard products can be generated, make production cost that cannot control.And workpiece surface temperature is higher, can not use Traditional contaction measurement method carries out on-line checking to PRECISION-FORGED STRAIGHT BEVEL GEARS.Therefore, realize to PRECISION-FORGED STRAIGHT BEVEL GEARS On-line checking is a problem urgently to be resolved hurrily.

Utility model content

To overcome above-mentioned deficiency, the purpose of this utility model is to provide a kind of multiple tooth on-line checkings of straight bevel gear finish forge Device using contactless online test method, can find unqualified finish forge workpiece in time.The structure of the detecting device is compact, behaviour Facilitate, detection efficiency is high, and can reduce the number of rejects and seconds rate, reduces cost, improves production efficiency, improves accuracy of detection.

In order to realize purpose described in the utility model, the utility model uses following technical scheme：

A kind of multiple tooth on-line measuring device of straight bevel gear finish forge, including：Straight bevel gear, gear positioning clamp, positioning Fixture swing mechanism, pedestal, lathe bed, vertical slide unit, vertical ball screw pair, horizontal sliding table, horizontal ball screw assembly, revolution oil Cylinder, non-contact laser gauge head, laser feeler protective cover, data cable, computer；Pedestal is fixed on ground by eight foundation bolts On face；Positioning fixture swing mechanism is fixedly connected on by soket head cap screw on pedestal；Gear positioning clamp passes through interior hexagonal spiral shell Nail is fixedly connected on the rotating part of positioning fixture swing mechanism；Lathe bed is fixedly connected on pedestal by ten soket head cap screws On；Vertical guide rail in vertical slide unit is fixedly connected on by soket head cap screw on lathe bed；Vertical slipper upper surface passes through interior six Angle screw is fixedly connected with vertical saddle, and vertical slipper lower surface is slidably connected with vertical guide rail；Vertical ball guide screw nat In down-feed screw nut be fixedly connected by soket head cap screw with vertical screw bearing；Down-feed screw nut bearing passes through interior six Angle screw is fixedly connected on vertical saddle；Down-feed screw upper end is consolidated by vertical direction shaft coupling and vertical direction servomotor Fixed connection, down-feed screw lower end are mounted in vertical step；Vertical step is fixedly connected on by soket head cap screw On lathe bed；Horizontal sliding table support base is fixedly connected by soket head cap screw saddle vertical in vertical slide unit；In horizontal sliding table Horizontal guide rail be fixedly connected on by soket head cap screw on horizontal sliding table support base；Horizontal slider upper surface passes through interior hexagonal spiral shell Nail is fixedly connected with horizontal saddle, and horizontal slider lower surface is slidably connected with horizontal guide rail；Non-contact laser gauge head passes through interior Hex screw is fixedly connected on laser feeler protective cover；Horizontal screw lead nut in horizontal ball guide screw nat passes through interior six Angle screw is fixedly connected with horizontal screw lead nut bearing；Horizontal screw lead nut bearing is fixedly connected on level by soket head cap screw On saddle；Horizontal screw lead front end is fixedly connected by the shaft coupling of horizontal direction with the servomotor of horizontal direction, horizontal screw lead Rear end is mounted in trunnion axis bearing；Trunnion axis bearing is fixedly connected on by soket head cap screw on horizontal sliding table support base；It returns The angling cylinder pedestal turned in oil cylinder is fixedly connected on by soket head cap screw on horizontal saddle；Laser feeler protective cover passes through interior Hex screw is fixedly connected on the angling cylinder revolving body in angling cylinder；Computer passes through data cable and non-contact laser Gauge head realizes data communication.

The straight bevel gear is common involute profile straight bevel gear, and straight bevel gear back end cylindrical part can quilt For clamping.The gear positioning clamp, including teeth portion positioning body, teeth portion supporter；Wherein, teeth portion positioning body passes through interior six Angle screw-driving is threaded on teeth portion supporter in teeth portion supporter；Teeth portion positioning body by a soket head cap screw, It is fixedly connected with teeth portion supporter；Teeth portion supporter endoporus and the outer circle of teeth portion positioning body are gap-matched, teeth portion supporter It is fixedly connected on by six soket head cap screws on the worm gear of positioning fixture swing mechanism.

The positioning fixture swing mechanism, including worm gear mechanism, turbine revolution and supporting mechanism, worm screw revolution and Supporting mechanism, worm drive servomotor；Wherein, worm gear mechanism, including worm gear, worm screw；Worm gear turns round and supporting mechanism, Including worm gear cylinder roller bearing, worm gear needle roller thrust bearing, worm gear support base；Worm screw turns round and supporting mechanism, including worm screw Bearing, worm screw shaft coupling after bearing spider, worm screw fore bearing, worm screw after fore bearing bearing, worm screw.Worm gear endoporus and worm gear cylinder Roller bearing outer ring is installed together, and worm gear cylinder roller bearing inner ring is mounted on worm gear support base, makes worm gear can be around snail Take turns support base rotation；Worm gear needle roller thrust bearing upper surface fits with worm gear lower surface, worm gear needle roller thrust bearing lower surface It fits with worm gear support base circular bead surface；Worm gear support base is fixedly connected on by six soket head cap screws on pedestal.Worm gear is justified Column roller bearing coordinates jointly with worm gear needle roller thrust bearing and worm gear support base, makes worm gear that can realize spinning movement in situ, Worm screw fore bearing uses angular contact ball bearing；Worm screw front end is mounted on by worm screw fore bearing on worm screw fore bearing bearing, worm screw Front end is connected by worm screw shaft coupling with servomotor；Worm screw fore bearing bearing is fixedly connected on by four soket head cap screws On pedestal；Worm drive servomotor is fixedly connected on by four soket head cap screws on worm screw fore bearing bearing；Worm screw rear end By bearing after worm screw on bearing spider after worm screw；Bearing spider is fixedly connected by four soket head cap screws after worm screw On pedestal；The pedestal, is fixed on the ground by foundation bolt, to entire PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device Play positioning and supporting role；The lathe bed, is fixedly connected on by soket head cap screw and positioning pin on pedestal.

The vertical slide unit, including vertical guide rail, vertical slipper, vertical saddle；Wherein, vertical guide rail passes through interior hexagonal Screw is fixedly connected on lathe bed；Vertical slipper upper surface is fixedly connected by soket head cap screw with vertical saddle, lower surface with It is slided on vertical guide rail；Vertical saddle is fixedly connected on by soket head cap screw on vertical slipper.

The vertical ball guide screw nat, including down-feed screw, down-feed screw nut, down-feed screw nut bearing, Vertical direction shaft coupling, vertical step, vertical top chock, vertical direction servomotor, down-feed screw locking nut, hang down Nogata is to lower bearing, vertical direction upper bearing (metal)；Wherein, down-feed screw upper end passes through vertical direction shaft coupling and vertical direction servo Motor is connected, and down-feed screw lower end is mounted on by vertical direction lower bearing in vertical step；Down-feed screw nut leads to Four soket head cap screws are crossed to be fixedly connected on down-feed screw nut bearing；Down-feed screw nut bearing passes through four interior hexagonal spiral shells Nail is fixedly connected on vertical saddle, so as to which down-feed screw nut is made to drive vertical slide unit vertically moving；On vertical Bearing block is fixedly connected on by soket head cap screw on lathe bed；Vertical step is fixedly connected by four soket head cap screws On lathe bed；Vertical direction servomotor is fixedly connected on by soket head cap screw on vertical top chock；Vertical direction lower axle Bearing outer-ring is mounted on vertical step inner surface, and vertical direction lower bearing inner ring is mounted on the cylindrical surface of down-feed screw end； Vertical direction upper bearing (metal) outer ring is installed together with vertical top chock, vertical direction upper bearing (metal) inner ring and vertical direction shaft coupling Outer surface is installed together, and vertical direction upper bearing (metal) uses angular contact ball bearing with vertical direction lower bearing；Down-feed screw is locked Tight nut is threadedly attached in down-feed screw end.

The horizontal sliding table, including horizontal sliding table support base, horizontal guide rail, horizontal slider, horizontal saddle；Wherein, water Somoothing board support base is fixedly connected on by 12 soket head cap screws on vertical saddle；Horizontal guide rail is consolidated by soket head cap screw Surely it is connected on horizontal sliding table support base；Horizontal slider upper surface is fixedly connected by soket head cap screw with horizontal saddle, horizontal It is slided on horizontal guide rail sliding block lower surface；Horizontal saddle is fixedly connected on by soket head cap screw on horizontal slider；Described Horizontal ball guide screw nat, including horizontal screw lead, horizontal screw lead nut, horizontal screw lead nut support seat, horizontal direction shaft coupling Device, horizontal front-end bearing pedestal, horizontal rear bearing block, horizontal direction servomotor, horizontal screw lead locking nut, horizontal direction front axle It holds, bearing after horizontal direction；Wherein, horizontal screw lead front end is mounted on by horizontal direction fore bearing in horizontal front-end bearing pedestal, water Flat leading screw rear end is connected by horizontal direction shaft coupling with horizontal direction servomotor；Horizontal screw lead nut passes through in four six Angle screw is fixedly connected on horizontal screw lead nut bearing；Horizontal screw lead nut bearing is fixedly connected by four soket head cap screws On horizontal saddle, so as to make horizontal screw lead nut that horizontal sliding table be driven to move in the horizontal direction；Horizontal front-end bearing pedestal passes through Four soket head cap screws, are fixedly connected on horizontal sliding table support base；Horizontal rear bearing block is fixed by four soket head cap screws It is connected on horizontal sliding table support base；Horizontal direction servomotor is fixedly connected on horizontal rear bearing block by soket head cap screw On；Horizontal direction front axle bearing outer-ring is mounted on horizontal direction front-end bearing pedestal inner surface, and horizontal direction fore bearing inner ring is mounted on water On the cylindrical surface of flat leading screw end；Bearing outer ring is installed with horizontal rear bearing block together with again after horizontal direction, bearing after horizontal direction Inner ring is installed together with horizontal direction shaft coupling outer surface, and horizontal direction fore bearing uses corner connection with bearing after horizontal direction Touch ball bearing；Horizontal screw lead locking nut is threadedly attached in horizontal screw lead end；The angling cylinder, including revolution oil Cylinder bottom seat, angling cylinder revolving body；Wherein, angling cylinder pedestal is fixedly connected on by soket head cap screw on horizontal saddle；It returns Turn oil cylinder revolving body to be mounted on angling cylinder pedestal by soket head cap screw；Angling cylinder revolving body upper surface passes through interior hexagonal Screw is equipped with laser feeler protective cover.

The non-contact laser gauge head, itself include laser signal transmitter, laser signal receivers and with meter Calculation machine realizes the line interface of docking；Wherein, non-contact laser gauge head upper surface passes through soket head cap screw there are three threaded hole Non-contact laser gauge head is fixedly connected on laser feeler protective cover housing.

The laser feeler protective cover, including laser feeler protective cover cover board, laser feeler protective cover housing, Laser Measuring Head protection cover opening, heat resistant glass, glass cover-plate, glass backing plate；Backing plate, glass under side backing plate on the upside of glass；Wherein, Laser Measuring Head protective cover housing is fixedly connected by three soket head cap screws with non-contact laser gauge head；Laser feeler protective cover cover board leads to Four soket head cap screws are crossed to be fixedly connected on laser feeler protective cover housing；There are one laser feeler protective cover housing lower surfaces Groove, heat resistant glass are placed in a groove, and there are one on glass for installation between heat resistant glass and laser feeler protective cover housing Side backing plate；Glass cover-plate is fixedly connected on by four soket head cap screws on the lower surface of laser feeler protective cover housing, so as to Heat resistant glass is fixedly mounted in the lower end groove of laser feeler protective cover housing；In glass cover-plate and laser feeler protective cover There are one glass under side backing plates for installation between housing；Gauge head protective cover shroud rear face passes through four interior hexagonal spiral shells there are four hole Nail is fixedly connected on angling cylinder revolving body；The computer is mounted on by entire detection device, will be counted by data cable Calculation machine is connected with non-contact laser gauge head.

Due to using the above-mentioned technical solution, the utility model can reach following advantageous effect：

1st, a kind of multiple tooth on-line measuring device of straight bevel gear finish forge described in the utility model, as a result of non-contact The laser feeler of formula so that the temperature of workpiece in itself is almost made measurement result not into influence.By to chordal tooth thickness, relative altitude The on-line checking of size and gear surface defect has been truly realized and has realized the reality to straight bevel gear finish forge effect at finish forge scene When monitor, can in time be found by testing result mold defect and forging pressure it is suitable whether, so as to stop processing rapidly, look for Where ging wrong.Rejection rate can be greatly reduced, shortens the time to search problem, reduces production cost.

2nd, a kind of multiple tooth on-line measuring device of straight bevel gear finish forge described in the utility model, passes through vertical slide unit and water The moving interpolation of somoothing board coordinates the rotary motion of angling cylinder and positioning fixture swing mechanism, passes through four simple movements Mechanism realizes the on-line checking to high temperature finish forge straight-tooth straight bevel gear, ensure that the accuracy of detection.And the mechanism is from production Product kind limits, can be only by adjusting gear positioning clamp, the angle of revolution of angling cylinder and vertical when product variety switch The moving interpolation program of straight slide unit and horizontal sliding table, can complete the detection to different cultivars product.

3rd, a kind of multiple tooth on-line measuring device of straight bevel gear finish forge described in the utility model, can be in hot lower completion pair The detection of chordal tooth thickness, forging die height and the multiple tooth surface defects of gear.

4th, a kind of multiple tooth on-line measuring device of straight bevel gear finish forge described in the utility model, the detecting system structure are new Grain husk, detection method is simple and practicable, and can be introduced into the precision forging industry of gear class or other parts, easy to implement.

Description of the drawings

Fig. 1 is a kind of structure diagram of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model；

Fig. 2 is a kind of straight bevel gear structural representation of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model Figure；

Fig. 3 is a kind of straight bevel gear of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model away from small end tooth Normal section view at wide 1/4；

Fig. 4 is a kind of assembling of the gear positioning clamp of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model Schematic diagram；

Fig. 5 is a kind of teeth portion of the gear positioning clamp of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model Positioning body schematic diagram；

Fig. 6 is a kind of gear positioning clamp teeth portion branch of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model Support body schematic diagram；

Fig. 7 is whole for a kind of positioning fixture swing mechanism of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model Body schematic diagram；

Fig. 8 is in a kind of positioning fixture swing mechanism of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model Worm gear mechanism schematic diagram；

Fig. 9 is in a kind of positioning fixture swing mechanism of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model Worm gear revolution and supporting mechanism schematic diagram；

Figure 10 is a kind of positioning fixture swing mechanism of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model In worm screw revolution and supporting mechanism assembling schematic diagram；

Figure 11 is a kind of understructure schematic diagram of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model；

Figure 12 is the M direction views of Figure 11；

Figure 13 is a kind of lathe bed structure schematic diagram of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model；

Figure 14 ties for a kind of pedestal of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model and lathe bed assembling Structure schematic diagram；

Figure 15 is a kind of vertical slide unit assembling signal of multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model Figure；

Figure 16 is a kind of vertical ball-screw nut of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model Secondary assembling schematic diagram；

Figure 17 is a kind of vertical ball-screw nut of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model Secondary overall schematic；

Figure 18 is a kind of horizontal sliding table assembling signal of multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model Figure；

Figure 19 is a kind of horizontal ball-screw nut of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model Secondary assembling schematic diagram；

Figure 20 is a kind of angling cylinder assembling signal of multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model Figure；

Figure 21 is a kind of angling cylinder schematic diagram of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model；

Figure 22 is a kind of non-contact laser gauge head of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model With gauge head protective cover assembling schematic diagram；

Figure 23 is a kind of non-contact laser gauge head of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model Schematic diagram；

Figure 24 is a kind of laser feeler protected enclosure of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model Body schematic diagram；

Figure 25 is a kind of laser feeler protection cover-cap of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model Plate schematic diagram；

Figure 26 is a kind of glass mounting plates schematic diagram of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model.

Figure 27 is backing plate signal on the upside of a kind of glass of multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model Figure.

Figure 28 is that a kind of glass under side backing plate of multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model is illustrated Figure.

Figure 29 is a kind of non-contact laser gauge head of the multiple tooth on-line measuring device of straight bevel gear finish forge of the utility model And angling cylinder assembling schematic diagram.

In figure：1st, straight bevel gear；2nd, gear positioning clamp；2a, teeth portion positioning body；2b, teeth portion supporter；3rd, locating clip Has swing mechanism；3a, worm gear mechanism；3aa, worm gear；3ab, worm screw；3b, worm gear revolution and supporting mechanism；3ba, worm gear circle Column roller bearing, 3bb, worm gear needle roller thrust bearing；3bc, worm gear support base；3c, worm screw revolution and supporting mechanism；3ca, worm screw Fore bearing bearing；Bearing spider after 3cb, worm screw；3cc, worm screw fore bearing；Bearing after 3cd, worm screw；3ce, worm screw shaft coupling； 3d, worm drive servomotor；4th, pedestal；5th, lathe bed；6th, vertical slide unit；6a, vertical guide rail；6b, vertical slipper；It is 6c, vertical Saddle；7th, vertical ball guide screw nat；7a, down-feed screw；7b, down-feed screw nut；7c, down-feed screw nut bearing；7d、 Vertical direction shaft coupling；7e, vertical step；7f, vertical top chock；7g, vertical direction servomotor；7h, vertical silk Thick stick locking nut；7j, vertical direction lower bearing；7k, vertical direction upper bearing (metal)；8th, horizontal sliding table；8a, horizontal sliding table support base； 8b, horizontal guide rail；8c, horizontal slider；8d, horizontal saddle；9th, horizontal ball guide screw nat；9a, horizontal screw lead；9b, level Feed screw nut；9c, horizontal screw lead nut support seat；9d, horizontal direction shaft coupling；9e, horizontal front-end bearing pedestal；9f, horizontal rear axle Bearing；9g, horizontal direction servomotor；9h, horizontal screw lead locking nut；9j, horizontal direction fore bearing；After 9k, horizontal direction Bearing；10th, angling cylinder；10a, angling cylinder pedestal；10b, angling cylinder revolving body；11st, non-contact laser gauge head；11a、 Laser signal transmitter；11b, laser signal receivers；11c, line interface；12nd, laser feeler protective cover；12a, laser feeler Protective cover cover board；12b, laser feeler protective cover housing；12c, laser feeler protection cover opening；12d, heat resistant glass；12e, glass Glass cover board；12f, glass backing plate；Backing plate on the upside of 12fa, glass；12fb, glass under side backing plate；13rd, data cable；14th, computer.

In another figure：C, die height is forged；D, relative altitude size；1a, away from the small end facewidth 1/4 at；1b, away from small end tooth At wide 2/4；1c, away from the small end facewidth 3/4 at；1e, indexing circular cone；1f, reference circle chordal tooth thickness；P, laser detection coordinate origin；Q、 Straight bevel gear end surface coordinate value；M, the left flank of tooth coordinate value of straight bevel gear normal section；N, straight bevel gear normal section is right Flank of tooth coordinate value.

Specific embodiment

With reference to attached drawing, the utility model can be explained in more detail by the following examples, the utility model does not limit to In the following examples, open the purpose of this utility model is intended to all changes and improvements in protection the scope of the utility model.

According to finish forge workpiece feature, the utility model uses contactless online test method, and detection is three following：

1）Chordal tooth thickness：Known by Fig. 2~3, the utility model is at 1a of the facewidth direction away from small end, at three at 1b and at 1c On normal section, the chordal tooth thickness of straight bevel gear is detected respectively, and is compared respectively with master gear.Chordal tooth thickness at three is detected, it can The randomness due to only detecting midpoint chordal tooth thickness or outer chordal thickness generation is effectively avoided, can also avoid making due to chamfering etc. Into outer chordal thickness situation about can not accurately measure.

2）Relative altitude size：Known by Fig. 2, detection straight bevel gear 1 is examined compared with 11 laser of non-contact laser gauge head Survey the relative altitude dimension D of coordinate origin P.Since 11 therein of non-contact laser gauge head includes laser detection coordinate original Point P, and because gear positioning clamp 2 is using the method for teeth portion positioning, position error is there's almost no, therefore can be by detecting straight-tooth The relative altitude dimension D that bevel gear 1 detects origin compared with non-contact laser gauge head 11 to reflect indirectly forging die height C Situation.

3）Surface defect：Gauge head is made to be scanned along the direction parallel to pitch cone to the flank of tooth, it can be by the flank of tooth point of scanning Fitting becomes an entire flank of tooth, so as to directly observe gear surface with the presence or absence of defect

Known by Fig. 2~3, the straight bevel gear 1 is common involute profile straight bevel gear, and back end cylindrical part can It is used to clamp.It is and straight to same part respectively respectively away from detecting chordal tooth thickness 1f at 1 small end 1/4,2/4,3/4 of straight bevel gear The different teeth of bevel gear 1 are detected, and can reduce the probability of measurement error generation.

Known by Fig. 4~6, the gear positioning clamp 2, including teeth portion positioning body 2a, teeth portion supporter 2b；Wherein, tooth Portion positioning body 2a is tightened in by soket head cap screw on teeth portion supporter 2b, is threaded in teeth portion supporter 2b；Teeth portion is determined Position body 2a is fixedly connected by a soket head cap screw with teeth portion supporter 2b；Teeth portion supporter 2b endoporus and teeth portion positioning body The outer circle of 2a is gap-matched, and teeth portion supporter 2b is fixedly connected on positioning fixture swing mechanism by six soket head cap screws On 3 worm gear 3aa.Teeth portion positioning body 2a with teeth portion supporter 2b by the way of being threadedly coupled, can when product variety switches, Teeth portion positioning body 2a is only replaced, can realize the positioning to other kind products.

Known by Fig. 7~10, the positioning fixture swing mechanism 3, including worm gear mechanism 3a, turbine revolution and support Mechanism 3b, worm screw revolution and supporting mechanism 3c, worm drive servomotor 3d；Wherein, worm gear mechanism 3a, including worm gear 3aa, worm screw 3ab；Worm gear turn round and supporting mechanism 3b, including worm gear cylinder roller bearing 3ba, worm gear needle roller thrust bearing 3bb, Worm gear support base 3bc；Worm screw turns round and supporting mechanism 3c, including bearing spider 3cb, snail after worm screw fore bearing bearing 3ca, worm screw Bearing 3cd, worm screw shaft coupling 3ce after bar fore bearing 3cc, worm screw.Worm gear 3aa endoporus and worm gear cylinder roller bearing 3ba outer rings It is installed together, worm gear cylinder roller bearing 3ba inner rings are mounted on worm gear support base 3bc, make worm gear 3aa can be around worm gear branch Support seat 3bc rotations；Worm gear needle roller thrust bearing 3bb upper surfaces fit with worm gear 3aa lower surfaces, worm gear needle roller thrust bearing 3bb lower surfaces fit with worm gear support base 3bc circular bead surfaces；Worm gear support base 3bc is fixedly connected by six soket head cap screws On pedestal 4.Worm gear cylinder roller bearing 3ba and worm gear needle roller thrust bearing 3bb and worm gear support base 3bc coordinate jointly, make Worm gear 3aa can realize in situ spinning movement.Worm screw fore bearing 3cc uses angular contact ball bearing, and bearing 3cd is equally adopted after worm screw With angular contact ball bearing, while worm screw realization original place rotational action can be made, certain axial load and radial load are born；Snail Bar 3ab front ends are mounted on by worm screw fore bearing 3cc on worm screw fore bearing bearing 3ca, and worm screw 3ab front ends pass through worm screw shaft coupling 3ce is connected with servomotor 3d；Worm screw fore bearing bearing 3ca is fixedly connected on by four soket head cap screws on pedestal 4；Snail Bar driving servomotor 3d is fixedly connected on by four soket head cap screws on worm screw fore bearing bearing 3ca, as worm and gear The power resources of mechanism 3a；Worm screw 3ab rear ends are by bearing 3cd after worm screw on bearing spider 3cb after worm screw；After worm screw Bearing spider is fixedly connected on by four soket head cap screws on pedestal 4.Fixture swing mechanism 3, mainly using simple in structure Worm gear mechanism coordinates with servomotor, realizes the detection to different teeth in same straight bevel gear 1.

Known by Figure 11~12, the pedestal 4 is fixed on the ground by foundation bolt, and tooth is bored to entire finish forge straight-tooth Wheel on-line measuring device plays positioning and supporting role；4 bottom of pedestal uses hollow out form design, can both subtract the weight of pedestal 4, The rigidity of pedestal 4 can be enhanced again.

Known by Figure 13~14, the lathe bed 5 is fixedly connected on by soket head cap screw and positioning pin on pedestal 4；Lathe bed The form that 5 inside are designed using hollow out while weight is mitigated, can increase the rigidity of lathe bed 5.

Known by Figure 15, the vertical slide unit 6, including vertical guide rail 6a, vertical slipper 6b, vertical saddle 6c；Wherein, hang down Straight guide 6a is fixedly connected on by soket head cap screw on lathe bed 5, is play the guiding role to vertical slipper 6b；Vertical slipper 6b upper tables Face is fixedly connected by soket head cap screw with vertical saddle 6c, and lower surface on vertical guide rail 6a with sliding；Vertical saddle 6c passes through Soket head cap screw is fixedly connected on vertical slipper 6b, and positioning and supporting role are played to horizontal sliding table 8.

Known by Figure 16~17, the vertical ball guide screw nat 7, including down-feed screw 7a, down-feed screw nut 7b, Down-feed screw nut bearing 7c, vertical direction shaft coupling 7d, vertical step 7e, vertical top chock 7f, vertical direction are watched Take motor 7g, down-feed screw locking nut 7h, vertical direction lower bearing 7j, vertical direction upper bearing (metal) 7k；Wherein, down-feed screw 7a Upper end is connected by vertical direction shaft coupling 7d with vertical direction servomotor 7g, and down-feed screw 7a lower ends pass through vertical direction Lower bearing 7j is mounted in vertical step 7e；Down-feed screw nut 7b is fixedly connected on vertically by four soket head cap screws On feed screw nut bearing 7c；Down-feed screw nut bearing 7f is fixedly connected on by four soket head cap screws on vertical saddle 6c, So as to which down-feed screw nut 7b is made to drive vertical slide unit 6 vertically moving；Vertical top chock 7f passes through interior hexagonal spiral shell Nail, is fixedly connected on lathe bed 5；Vertical step 7e is fixedly connected on by four soket head cap screws on lathe bed 5；Vertical Square It is fixedly connected on to servomotor 7g by soket head cap screw on vertical top chock 7f, as vertical ball guide screw nat 7 Power resources；Vertical direction lower bearing 7j outer rings are in vertical step 7e inner surfaces, vertical direction lower bearing 7j Circle is mounted on the cylindrical surface of down-feed screw 7a ends；Vertical direction upper bearing (metal) 7k outer rings are mounted on one with vertical top chock 7f Rise, vertical direction upper bearing (metal) 7k inner rings are installed together with vertical direction shaft coupling 7d outer surfaces, vertical direction upper bearing (metal) 7k and Vertical direction lower bearing 7j uses angular contact ball bearing；Down-feed screw locking nut 7h is threadedly attached in down-feed screw 7a Axially position is played the role of in end to down-feed screw 7a.

Known by Figure 18, the horizontal sliding table 8, including horizontal sliding table support base 8a, horizontal guide rail 8b, horizontal slider 8c, Horizontal saddle 8d；Wherein, horizontal sliding table support base 8a is fixedly connected on by 12 soket head cap screws on vertical saddle 6c；Water Level gauge 8b is fixedly connected on by soket head cap screw on horizontal sliding table support base 8a, is play the guiding role to horizontal slider 8c；Water Smooth block 8c upper surfaces are fixedly connected by soket head cap screw with horizontal saddle 8d, and horizontal slider 8c lower surfaces are in horizontal guide rail 8b Upper slip；Horizontal saddle 8d is fixedly connected on by soket head cap screw on horizontal slider 8c, to rotary cylinder 10 play positioning and Supporting role.

Known by Figure 19, the horizontal ball guide screw nat 9, including horizontal screw lead 9a, horizontal screw lead nut 9b, level Feed screw nut support base 9c, horizontal direction shaft coupling 9d, horizontal front-end bearing pedestal 9e, horizontal rear bearing block 9f, horizontal direction servo Bearing 9k after motor 9g, horizontal screw lead locking nut 9h, horizontal direction fore bearing 9j, horizontal direction；Wherein, before horizontal screw lead 9a End is mounted on by horizontal direction fore bearing 9j in horizontal front-end bearing pedestal 9e, and horizontal screw lead 9a rear ends pass through horizontal direction shaft coupling 9d is connected with horizontal direction servomotor 9g；Horizontal screw lead nut 9b is fixedly connected on horizontal silk by four soket head cap screws On thick stick nut bearing 9c；Horizontal screw lead nut bearing 9c is fixedly connected on by four soket head cap screws on horizontal saddle 8d, from And it can make horizontal screw lead nut 9b that horizontal sliding table 8 be driven to move in the horizontal direction；Horizontal front-end bearing pedestal 9e passes through four interior hexagonals Screw is fixedly connected on horizontal sliding table support base 8a；Horizontal rear bearing block 9f is fixedly connected on by four soket head cap screws On horizontal sliding table support base 8a；Horizontal direction servomotor 9g is fixedly connected on horizontal rear bearing block 9f by soket head cap screw On, the power resources as horizontal ball guide screw nat 9；Horizontal direction fore bearing 9j outer rings are installed by fore bearing in the horizontal direction Seat 9e inner surfaces, horizontal direction fore bearing 9j inner rings are mounted on the cylindrical surface of horizontal screw lead 9a ends；Bearing 9k after horizontal direction Outer ring is installed with horizontal rear bearing block 9f together with again, and bearing 9k inner rings are pacified with horizontal direction shaft coupling 9d outer surfaces after horizontal direction It is fitted together, horizontal direction fore bearing 9j uses angular contact ball bearing with bearing 9k after horizontal direction；Horizontal screw lead locking screw Female 9h is threadedly attached in horizontal screw lead 9a ends, plays the role of axially position to horizontal screw lead 9a.

Known by Figure 20~21, the angling cylinder 10, including angling cylinder pedestal 10a, angling cylinder revolving body 10b； Wherein, angling cylinder pedestal 10a is fixedly connected on by soket head cap screw on horizontal saddle 8d；Angling cylinder revolving body 10b leads to Soket head cap screw is crossed on angling cylinder pedestal 10a；Angling cylinder revolving body 10b is installed upper surface by soket head cap screw There is laser feeler protective cover 11；Angling cylinder 10 can realize the cast action of non-contact laser gauge head 12.

Known by Figure 22~23, the non-contact laser gauge head 11, itself include laser signal transmitter 11a, swash The optical signal receiver 11b and line interface 11c docked with computer realization；Wherein, 11 upper surface of non-contact laser gauge head There are three threaded holes, and non-contact laser gauge head 11 is fixedly connected on laser feeler protective cover housing by soket head cap screw On 12b.

Known by Figure 22~29, the laser feeler protective cover 12, including laser feeler protective cover cover board 12a, Laser Measuring Head protective cover housing 12b, laser feeler protection cover opening 12c, heat resistant glass 12d, glass cover-plate 12e, 12f, glass backing plate；Glass Backing plate 12fa, glass under side backing plate 12fb on the upside of glass；Wherein, laser feeler protective cover housing 12b passes through three soket head cap screws It is fixedly connected with non-contact laser gauge head 11, for playing positioning and protective effect to non-contact laser gauge head 11；Laser Gauge head protective cover cover board 12a is fixedly connected on by four soket head cap screws on laser feeler protective cover housing 12b, for non- Contact laser gauge head 11 plays a protective role；There are one groove, heat resistant glasses for laser feeler protective cover housing 12b lower surfaces 12d is placed in a groove, and heat resistant glass 12d not only high temperature resistants, and translucency is fabulous will not have an impact measurement result； There are one backing plate 12fa on the upside of glass for installation between heat resistant glass 12d and laser feeler protective cover housing 12b；Glass cover-plate 12e It is fixedly connected on by four soket head cap screws on the lower surface of laser feeler protective cover housing 12b, so as to by heat resistant glass 12d It is fixedly mounted in the lower end groove of laser feeler protective cover housing 12b；In glass cover-plate 12e and laser feeler protective cover housing There are one glass under side backing plate 12fb for installation between 12b；The installation of backing plate 127fa and glass under side backing plate 12fb on the upside of glass, It is that heat resistant glass 12d contacts directly issuable glass with laser feeler protective cover housing 12b and glass cover-plate 12e in order to prevent Glass crackle；Laser feeler protective cover cover board 12a is fixedly connected on by soket head cap screw on laser feeler protective cover housing 12b； Laser feeler protective cover housing 12b rear surfaces are fixedly connected on angling cylinder by four soket head cap screws and turn round there are four hole On body 10b.

Known by Fig. 1, the computer 14 be mounted on entire detection device by, by data cable 13 by computer 14 with it is non- Contact laser gauge head 11 is connected.

A kind of online test method of the multiple tooth on-line measuring device of straight bevel gear finish forge, step are as follows：

【1】On-line measuring device is installed：Pedestal 4 is fixedly connected on ground by gear forging equipment by foundation bolt Suitable position；Bearing spider 3cb passes through interior hexagonal after worm screw fore bearing bearing 3ca and worm screw in positioning fixture swing mechanism 3 Screw is fixedly connected on pedestal 4；Worm gear support base 3bc in positioning fixture swing mechanism 3 is fixed by soket head cap screw to be connected It is connected on pedestal 4；Worm gear 3aa is supported by worm gear cylinder roller bearing 3ba and worm gear needle roller thrust bearing 3bb mounted on worm gear On seat 3bc；Worm screw 3ab front ends are mounted on by worm screw fore bearing 3cc in worm screw fore bearing bearing 3ca, and worm screw 3ab rear ends pass through Bearing 3cd is in bearing spider 3cb after worm screw after worm screw；Worm drive servomotor 3d is fixed by soket head cap screw to be connected It is connected on worm screw fore bearing bearing 3ca；Positioning fixture swing mechanism 3 mainly by the movement of worm gear mechanism 3a, realize with The cast movement for the gear positioning clamp 2 that worm gear 3aa in positioning fixture swing mechanism 3 is fixedly connected, so as to fulfill right The detection of same more than 1 a tooth of part straight bevel gear；Teeth portion supporter 2b in gear positioning clamp 2 is fixed by soket head cap screw It is connected on the worm gear 3aa of positioning fixture swing mechanism 3；Vertical guide rail 6a in vertical slide unit 6 is fixed by soket head cap screw It is connected on lathe bed 5；Vertical slipper 6b upper surfaces are fixedly connected by soket head cap screw with vertical saddle 6c, lower surface with it is vertical It is slided on guide rail 6a；Vertical saddle 6c is fixedly connected on by soket head cap screw on vertical slipper 6b；Vertical ball-screw nut Vertical step 7e in pair 7, is fixedly connected on by soket head cap screw on lathe bed 5, vertical top chock 7f passes through interior six Angle screw is fixedly connected on lathe bed 5；Vertical direction servomotor 7g is fixedly connected on vertical upper bearing (metal) by soket head cap screw On seat 7f；Down-feed screw 7a upper ends are connected by vertical direction shaft coupling 7d with vertical direction servomotor 7g, down-feed screw 7a lower ends are mounted on by vertical direction lower bearing 7j in vertical step 7e；Down-feed screw nut 7b passes through soket head cap screw It is fixedly connected on down-feed screw nut bearing 7c；Down-feed screw nut bearing 7f is fixedly connected on by four soket head cap screws On vertical saddle 6c；Down-feed screw locking nut 7h is threadedly attached in down-feed screw 7a ends；Level in horizontal sliding table 8 Slide unit support base 8a is fixedly connected on by soket head cap screw on vertical saddle 6c；Horizontal guide rail 8b is fixed by soket head cap screw It is connected on horizontal sliding table support base 8a；Horizontal slider 8c upper surfaces are fixedly connected by soket head cap screw with horizontal saddle 8d, It is slided on horizontal guide rail 8b horizontal slider 8c lower surfaces；Horizontal saddle 8d is fixedly connected on horizontal slider by soket head cap screw On 8c；Horizontal screw lead nut 9b in horizontal ball guide screw nat 9 is fixedly connected on horizontal silk by four soket head cap screws On thick stick nut bearing 9c；Horizontal front-end bearing pedestal 9e is fixedly connected on by soket head cap screw on horizontal sliding table support base 8a；It is horizontal Rear bearing block 9f is fixedly connected on by four soket head cap screws on horizontal sliding table support base 8a；Horizontal direction servomotor 9g leads to Soket head cap screw is crossed to be fixedly connected on horizontal rear bearing block 9f；It is installed by horizontal direction fore bearing 9j horizontal screw lead 9a front ends In horizontal front-end bearing pedestal 9e, horizontal screw lead 9a rear ends are connected by horizontal direction shaft coupling 9d with horizontal direction servomotor 9g It connects；Horizontal screw lead nut bearing 9c is fixedly connected on by four soket head cap screws on horizontal saddle 8d；Horizontal screw lead locking screw Female 9h is threadedly attached in horizontal screw lead 9a ends；Angling cylinder pedestal 10a in angling cylinder 10 passes through soket head cap screw It is fixedly connected on horizontal saddle 8d；Angling cylinder revolving body 10b is mounted on angling cylinder pedestal 10a by soket head cap screw On；Non-contact laser gauge head 11 is fixedly connected on the upper table of laser feeler protective cover housing 12b by three soket head cap screws On face；Heat resistant glass 12 in laser feeler protective cover 12 is fixedly connected on laser feeler protective cover housing by soket head cap screw In the lower end groove of 12b, and heat resistant glass upper and lower surface is lined with glass backing plate 12f；Laser feeler protective cover cover board 12a passes through interior Hex screw is fixedly connected on laser feeler protective cover housing 12b；Laser feeler protective cover housing 12b passes through soket head cap screw It is fixedly connected on angling cylinder revolving body 10b.Computer 14 is connected by data cable 13 with non-contact laser gauge head 11, The testing result of non-contact laser gauge head 11 is acquired, shown and fed back, realizes and communicates with entire on-line detecting system. During detection, by laser feeler cover opening 12c is protected to be passed through compressed air into laser feeler protective cover 12, played To the effect that non-contact laser gauge head 11 cools down, so as to avoid non-contact laser gauge head 11 for a long time in hot environment work pair The influence in 11 service life of non-contact laser gauge head.

【2】Detect straight bevel gear 1：The high-temperature forging straight bevel gear 1 of formed by forging is placed on gear positioning clamp 2 On；By the moving interpolation and the rotary motion of angling cylinder 10 between vertical slide unit 6 and horizontal sliding table 8, drive non-contact Formula laser feeler 11 realizes required movement.After non-contact laser gauge head 11 is sent to test position, non-contact laser is surveyed Laser signal transmitter 11a on first 11 emits laser beam to the flank of tooth of straight bevel gear 1, and laser signal receivers 11b is used for Receive measured signal；Non-contact laser gauge head 11 is built-in with data collecting card, the inspection that laser signal receivers 11b is received It surveys result to be collected, in case follow-up calculate uses.

【2-1】The detection of 1 surface defect of straight bevel gear：The high temperature straight bevel gear 1 of formed by forging is placed on gear On positioning fixture 2, non-contact laser gauge head 11 is fixedly connected with the angling cylinder revolving body 10b in angling cylinder 10.Pass through The rotary motion of angling cylinder 10 can drive non-contact laser gauge head 11 to turn to parallel with 1 pitch cone of straight bevel gear Position, can be real by the moving interpolation between vertical saddle 6c in vertical slide unit 6 and the horizontal saddle 8d in horizontal sliding table 8 Existing 11 moving along 1 pitch cone direction of straight bevel gear of non-contact laser gauge head, detects 1 one teeth of straight bevel gear In, the flank of tooth point data of multiple normal sections along tooth length direction, then the flank of tooth point data fitting of multiple normal sections is whole as one The actually detected flank of tooth with the standard flank of tooth is compared, can intuitively observed with the presence or absence of surface defect and table by a flank of tooth The position of planar defect, if straight bevel gear 1 needs to stop producing, judge the defect Producing reason there are surface defect.

【2-2】The detection of 1 chordal tooth thickness 1f of straight bevel gear：On the flank of tooth that this is detected, respectively along straight bevel gear 1 The interception of tooth length direction away from small end 1a at, normal section at three at 1b and at 1c, show that the flank of tooth at three on normal section is counted According to so as to subtract straight bevel gear method using the left flank of tooth flank of tooth point coordinates n of 1 normal section of straight bevel gear and pitch cone intersection point The right flank of tooth flank of tooth point coordinates m of section and pitch cone intersection point can calculate the chordal tooth thickness 1f at three on normal section.

【2-3】The detection of 1 relative altitude dimension D of straight bevel gear：There are one non-contact laser gauge head 11 includes itself Laser detection coordinate origin P, by between the horizontal saddle 8d in the vertical saddle 6c and horizontal sliding table 8 in vertical slide unit 6 Moving interpolation, control non-contact laser gauge head 11 move to the top of straight bevel gear 1；It is transported by the revolution of angling cylinder 10 Dynamic, control non-contact laser gauge head 11 returns back to the position parallel with 1 end surface of straight bevel gear, in straight bevel gear 1 A point is made a call in end surface, so as to draw relative coordinate values Q of this compared with laser detection coordinate origin P.Coordinate origin P Relative coordinate values for zero point, the 1 end surface coordinate value Q of straight bevel gear detected is the relatively high of straight bevel gear 1 Spend dimension D.Since gear positioning clamp 2 is by the way of teeth portion positioning, accurate positioning is reliable, by relative altitude dimension D Detection, can reflect the variation tendency of forging die height C indirectly.By the detection to relative altitude dimension D, can incite somebody to action straight The elevation information of bevel gear 1 feeds back to forging equipment, so as to adjust the size of forging pressure, realizes the closed loop control of forging process System.

【2-4】The detection of same 1 difference tooth of part straight bevel gear：Complete to the surface defects of 1 one teeth of straight bevel gear, After the detection of chordal tooth thickness 1f and relative altitude dimension D, in order to further determine the accuracy of detection, turned round by positioning fixture The movement of worm gear mechanism 3a in mechanism 3 drives the straight bevel gear 1 placed on gear positioning clamp 2 along own axes Original place rotate.It repeats again【2-1】、【2-2】And【2-3】Detection process, complete to the different teeth of same part straight bevel gear 1 Surface defect, chordal tooth thickness 1f and relative altitude dimension D detection.

【3】Show testing result：The laser signal receivers 11b that flank of tooth testing result passes through non-contact laser gauge head 11 Receive measured signal, by the data collecting card built in non-contact laser gauge head 11 by the normal section flank of tooth point data measured, The detected flank of tooth that fits, the hot chordal tooth thickness 1f detected and relative altitude dimension D pass to calculating by data cable 13 Mounted pairing software systems on machine 14, measurement result is completely shown on computer 14.

【4】Judge testing result：The chordal tooth thickness 1f that is detected for straight bevel gear 1 under hot, relative altitude dimension D, It needs to be multiplied by corresponding survey respectively to the chordal tooth thickness 1f calculated under 1 cold conditions of straight bevel gear and the relative altitude dimension D measured The numerical value that linear expansion coefficient during amount temperature is drawn is compared.The detection device can be realized to same part straight bevel gear 1 The detection of different teeth can effectively avoid the generation of random error.During due to measuring every time, measured straight bevel gear 1 may It is under different temperature, it is also possible to since straight bevel gear 1 is toward when putting on gear positioning clamp 2, inevitably produce Raw position error, so as to which the generation of measurement error can be caused, it is therefore desirable to the chordal tooth thickness 1f and relative altitude dimension D detected A margin of tolerance is set, as long as within this margin of tolerance, judges that straight bevel gear 1 is qualified；And if detected value does not exist Within this margin of tolerance, then judge that straight bevel gear 1 is unqualified；It then needs to stop producing, searches reason, it is a large amount of so as to avoid The generation of unqualified straight bevel gear 1.

A kind of multiple tooth on-line measuring device of straight bevel gear finish forge described herein, using the side of non-contact detection Method solve thes problems, such as that high-temperature forging can not realize instant measurement, if there are unqualified workpiece, can stop processing immediately and set It is standby, unqualified workpiece Producing reason is found out, so as to avoid the generation of a large amount of waste products, reduces production cost.

A kind of online test method of multiple tooth on-line measuring device of straight bevel gear finish forge described herein, is connect using non- Touch laser feeler forges workpiece to high temperature and is detected, and non-contact laser gauge head has been carried out using computer language secondary Exploitation, it is achieved thereby that the detection to hot straight bevel gear surface defect, straight bevel gear relative altitude size and chordal tooth thickness.

A kind of multiple tooth on-line measuring device of straight bevel gear finish forge described herein, passes through vertical slide unit and horizontal sliding table Moving interpolation, coordinate the rotary motion of angling cylinder and positioning fixture swing mechanism, pass through four simple motions realities Show the on-line checking to the multiple teeth of high temperature finish forge straight-tooth straight bevel gear, ensure that the accuracy of detection.And the mechanism is from production Product kind limits, can be only by adjusting gear positioning clamp, the angle of revolution of angling cylinder and vertical when product variety switch The moving interpolation program of straight slide unit and horizontal sliding table, can complete the detection to different cultivars product.

The testing result of the application is the thermal state sizes detected at a temperature of 800 °C or so, which is tested It is with the addition of what linear expansion coefficient obtained on the basis of straight bevel gear cold conditions size.Use detection device described herein and inspection The chordal tooth thickness data for the straight bevel gear qualification that survey method detects under hot after straight bevel gear cools down, are examined in gear It surveys on instrument or thickness calipers and detects that result is also qualified, it was demonstrated that testing result is accurately and reliably.

Detection device and detection method described herein can also measure the relative altitude ruler of straight bevel gear under cold conditions Very little, chordal tooth thickness data, relative altitude size can reflect indirectly forging die height size, and the result measured in the cold state with The testing result obtained under cold conditions on gear inspector or thickness calipers is consistent, it was demonstrated that testing result is accurately and reliably.

The relative altitude size that detection device and detection method described herein detect can reflect that straight-tooth is bored indirectly The size and variation tendency of gear forging die height, so as to feed back to forging equipment, adjustment forges pressure, realizes entire The closed-loop control of intelligent finish forge line.The reality fitted by the flank of tooth point data of the multiple normal sections of the straight bevel gear detected The flank of tooth can intuitively show gear surface defect condition and surface defect position, have important reality for actual production Meaning, and the structure of the detecting device is compact, precision is high, can be introduced to gear class or the precision forging industry of other parts.

Teeth portion positioning fixture described herein using the three-point positioning method using only six teeth, effectively realizes pair The detection of the entire flank of tooth of straight bevel gear can be introduced to other gear testing methods and the design of gear mechanism positioning clamp for machining In.

It further illustrates：The implementation selected in this paper specific embodiments for open the purpose of this utility model Example, is presently considered to be suitable, but should be noted that the utility model is intended to include all and belongs to this design with this practicality newly The all changes of embodiment in the range of type and improvement.

The non-detailed portion of the utility model is the prior art.

Claims (8)

1. a kind of multiple tooth on-line measuring device of straight bevel gear finish forge, including：Straight bevel gear（1）, gear positioning clamp（2）、 Positioning fixture swing mechanism（3）, pedestal（4）, lathe bed（5）, vertical slide unit（6）, vertical ball screw pair（7）, horizontal sliding table （8）, horizontal ball guide screw nat（9）, angling cylinder（10）, non-contact laser gauge head（11）, laser feeler protective cover （12）, data cable（13）, computer（14）；It is characterized in that：Pedestal（4）Pass through eight foundation bolts（4a）It is fixed on ground On；Positioning fixture swing mechanism（3）Pedestal is fixedly connected on by soket head cap screw（4）On；Gear positioning clamp（2）By interior Hex screw is fixedly connected on positioning fixture swing mechanism（3）In worm gear mechanism（3a）Worm gear（3aa）On；Lathe bed （5）Pedestal is fixedly connected on by ten soket head cap screws（4）On；Vertical slide unit（6）In vertical guide rail（6a）Pass through interior six Angle screw is fixedly connected on lathe bed（5）On；Vertical slipper（6b）Upper surface passes through soket head cap screw and vertical saddle（6c）It is fixed Connection, vertical slipper（6b）Lower surface and vertical guide rail（6a）It is slidably connected；Vertical ball guide screw nat（7）In vertical silk Thick stick nut（7b）Pass through soket head cap screw and vertical screw bearing（7c）It is fixedly connected；Down-feed screw nut bearing（7c）By interior Hex screw is fixedly connected on vertical saddle（6c）On；Down-feed screw（7a）Upper end passes through vertical direction shaft coupling（7d）With it is vertical Direction servomotor（7g）It is fixedly connected, down-feed screw（7a）Lower end is mounted on vertical step（7e）In；Vertical lower bearing Seat（7e）Lathe bed is fixedly connected on by soket head cap screw（5）On；Horizontal sliding table support base（8e）By soket head cap screw with hanging down Straight slide unit（6）In vertical saddle（6c）It is fixedly connected；Horizontal sliding table（8）In horizontal guide rail（8b）Consolidated by soket head cap screw Surely it is connected to horizontal sliding table support base（8a）On；Horizontal slider（8c）Upper surface passes through soket head cap screw and horizontal saddle（8d）Gu Fixed connection, horizontal slider（8c）Lower surface and horizontal guide rail（8b）It is slidably connected；Non-contact laser gauge head（11）Pass through interior six Angle screw is fixedly connected on laser feeler protective cover（12）On；Horizontal ball guide screw nat（9）In horizontal screw lead nut （9b）Pass through soket head cap screw and horizontal screw lead nut bearing（9c）It is fixedly connected；Horizontal screw lead nut bearing（9c）Pass through interior six Angle screw is fixedly connected on horizontal saddle（8d）On；Horizontal screw lead（9a）Front end passes through horizontal direction shaft coupling（9d）With level side To servomotor（9g）It is fixedly connected, horizontal screw lead（9a）Rear end is mounted on trunnion axis bearing（9e）In；Trunnion axis bearing（9e） Horizontal sliding table support base is fixedly connected on by soket head cap screw（8a）On；Angling cylinder（10）In angling cylinder pedestal （10a）Horizontal saddle is fixedly connected on by soket head cap screw（8d）On；Laser feeler protective cover（12）Pass through soket head cap screw It is fixedly connected on angling cylinder（10）In angling cylinder revolving body（10b）On；Computer（14）Pass through data cable（13）With it is non- Contact laser gauge head（11）Realize data communication；Straight bevel gear（1）For common involute profile straight bevel gear, straight-tooth cone Gear（1）Back end cylindrical part can be used to clamp.

2. a kind of multiple tooth on-line measuring device of straight bevel gear finish forge according to claim 1, it is characterised in that：Gear is determined Position fixture（2）, including teeth portion positioning body（2a）, teeth portion supporter（2b）；Wherein, teeth portion positioning body（2a）Pass through soket head cap screw It is tightened in teeth portion supporter（2b）On, teeth portion supporter（2b）Inside it is threaded；Teeth portion positioning body（2a）Pass through in one six Angle screw, with teeth portion supporter（2b）It is fixedly connected；Teeth portion supporter（2b）Endoporus and teeth portion positioning body（2a）Outer circle use Clearance fit, teeth portion supporter（2b）Positioning fixture swing mechanism is fixedly connected on by six soket head cap screws（3）Worm gear （3aa）On.

3. a kind of multiple tooth on-line measuring device of straight bevel gear finish forge according to claim 1, it is characterised in that：Locating clip Has swing mechanism（3）, including worm gear mechanism（3a）, turbine revolution and supporting mechanism（3b）, worm screw revolution and supporting mechanism （3c）, worm drive servomotor（3d）；Wherein, worm gear mechanism（3a）, including worm gear（3aa）, worm screw（3ab）；Worm gear Revolution and supporting mechanism（3b）, including worm gear cylinder roller bearing（3ba）, worm gear needle roller thrust bearing（3bb）, worm gear support base （3bc）；Worm screw turns round and supporting mechanism（3c）, including worm screw fore bearing bearing（3ca）, bearing spider after worm screw（3cb）, worm screw Fore bearing（3cc）, bearing after worm screw（3cd）, worm screw shaft coupling（3ce）；Worm gear（3aa）Endoporus and worm gear cylinder roller bearing （3ba）Outer ring is installed together, worm gear cylinder roller bearing（3ba）Inner ring is mounted on worm gear support base（3bc）On, make worm gear （3aa）It can be around worm gear support base（3bc）Rotation；Worm gear needle roller thrust bearing（3bb）Upper surface and worm gear（3aa）Lower surface phase Fitting, worm gear needle roller thrust bearing（3bb）Lower surface and worm gear support base（3bc）Circular bead surface fits；Worm gear support base（3bc） Pedestal is fixedly connected on by six soket head cap screws（4）On；Worm gear cylinder roller bearing（3ba）With worm gear needle roller thrust bearing （3bb）And worm gear support base（3bc）Common cooperation, makes worm gear（3aa）Spinning movement, worm screw fore bearing can be realized in situ （3cc）Using angular contact ball bearing；Worm screw（3ab）Front end passes through worm screw fore bearing（3cc）Mounted on worm screw fore bearing bearing （3ca）On, worm screw（3ab）Front end passes through worm screw shaft coupling（3ce）With servomotor（3d）It is connected；Worm screw fore bearing bearing （3ca）Pedestal is fixedly connected on by four soket head cap screws（4）On；Worm drive servomotor（3d）Pass through four interior hexagonals Screw is fixedly connected on worm screw fore bearing bearing（3ca）On；Worm screw（3ab）Rear end passes through bearing after worm screw（3cd）Mounted on snail Bearing spider after bar（3cb）On；Bearing spider is fixedly connected on pedestal by four soket head cap screws after worm screw（4）On；It is described Pedestal（4）, fixed on the ground by foundation bolt, to entire PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device play positioning and Supporting role；The lathe bed（5）, pedestal is fixedly connected on by soket head cap screw and positioning pin（4）On.

4. a kind of multiple tooth on-line measuring device of straight bevel gear finish forge according to claim 1, it is characterised in that：It is vertical sliding Platform（6）Including vertical guide rail（6a）, vertical slipper（6b）, vertical saddle（6c）；Wherein, vertical guide rail（6a）Pass through interior hexagonal spiral shell Nail is fixedly connected on lathe bed（5）On；Vertical slipper（6b）Upper surface passes through soket head cap screw and vertical saddle（6c）It is fixedly connected, Lower surface and vertical guide rail（6a）Upper slip；Vertical saddle（6c）Vertical slipper is fixedly connected on by soket head cap screw（6b） On.

5. a kind of multiple tooth on-line measuring device of straight bevel gear finish forge according to claim 1, it is characterised in that：Vertical rolling Screw nut pair（7）Including down-feed screw（7a）, down-feed screw nut（7b）, down-feed screw nut bearing（7c）, Vertical Square To shaft coupling（7d）, vertical step（7e）, vertical top chock（7f）, vertical direction servomotor（7g）, down-feed screw Locking nut（7h）, vertical direction lower bearing（7j）, vertical direction upper bearing (metal)（7k）；Wherein, down-feed screw（7a）Upper end passes through Vertical direction shaft coupling（7d）With vertical direction servomotor（7g）It is connected, down-feed screw（7a）Lower end passes through under vertical direction Bearing（7j）Mounted on vertical step（7e）In；Down-feed screw nut（7b）It is fixedly connected on by four soket head cap screws Down-feed screw nut bearing（7c）On；Down-feed screw nut bearing（7c）Vertical cunning is fixedly connected on by four soket head cap screws Saddle（6c）On, so as to make down-feed screw nut（7b）Drive vertical slide unit（6）It is vertically moving；Vertical top chock （7f）By soket head cap screw, lathe bed is fixedly connected on（5）On；Vertical step（7e）It is fixed by four soket head cap screws It is connected to lathe bed（5）On；Vertical direction servomotor（7g）Vertical top chock is fixedly connected on by soket head cap screw（7f） On；Vertical direction lower bearing（7j）Outer ring is mounted on vertical step（7e）Inner surface, vertical direction lower bearing（7j）Inner ring Mounted on down-feed screw（7a）On the cylindrical surface of end；Vertical direction upper bearing (metal)（7k）Outer ring and vertical top chock（7f）It is mounted on Together, vertical direction upper bearing (metal)（7k）Inner ring and vertical direction shaft coupling（7d）Outer surface is installed together, Vertical Square upward axis It holds（7k）With vertical direction lower bearing（7j）Use angular contact ball bearing；Down-feed screw locking nut（7h）It is connected through a screw thread In down-feed screw（7a）End.

6. a kind of multiple tooth on-line measuring device of straight bevel gear finish forge according to claim 1, it is characterised in that：Level is sliding Platform（8）Including horizontal sliding table support base（8a）, horizontal guide rail（8b）, horizontal slider（8c）, horizontal saddle（8d）；Wherein, it is horizontal Slide unit support base（8a）Vertical saddle is fixedly connected on by 12 soket head cap screws（6c）On；Horizontal guide rail（8b）By interior Hex screw is fixedly connected on horizontal sliding table support base（8a）On；Horizontal slider（8c）Upper surface passes through soket head cap screw and level Saddle（8d）It is fixedly connected, horizontal slider（8c）Lower surface is in horizontal guide rail（8b）Upper slip；Horizontal saddle（8d）Pass through interior six Angle screw is fixedly connected on horizontal slider（8c）On；The horizontal ball guide screw nat（9）, including horizontal screw lead（9a）、 Horizontal screw lead nut（9b）, horizontal screw lead nut bearing（9c）, horizontal direction shaft coupling（9d）, horizontal front-end bearing pedestal（9e）, water Flat rear bearing block（9f）, horizontal direction servomotor（9g）, horizontal screw lead locking nut（9h）, horizontal direction fore bearing（9j）、 Bearing after horizontal direction（9k）；Wherein, horizontal screw lead（9a）Front end passes through horizontal direction fore bearing（9j）Mounted on horizontal front axle Bearing（9e）In, horizontal screw lead（9a）Rear end passes through horizontal direction shaft coupling（9d）With horizontal direction servomotor（9g）It is connected It connects；Horizontal screw lead nut（9b）Horizontal screw lead nut bearing is fixedly connected on by four soket head cap screws（9c）On；Horizontal silk Thick stick nut bearing（9c）Horizontal saddle is fixedly connected on by four soket head cap screws（8d）On, so as to make horizontal screw lead nut （9b）Drive horizontal sliding table（8）It moves in the horizontal direction；Horizontal front-end bearing pedestal（9e）By four soket head cap screws, it is fixedly connected In horizontal sliding table support base（8a）On；Horizontal rear bearing block（9f）Horizontal sliding table branch is fixedly connected on by four soket head cap screws Support seat（8a）On；Horizontal direction servomotor（9g）Horizontal rear bearing block is fixedly connected on by soket head cap screw（9f）On；Water Square to fore bearing（9j）Outer ring is installed by front-end bearing pedestal in the horizontal direction（9e）Inner surface, horizontal direction fore bearing（9j）Inner ring is pacified Mounted in horizontal screw lead（9a）On the cylindrical surface of end；Bearing after horizontal direction（9k）Outer ring and horizontal rear bearing block（9f）Mounted on one It rises, bearing after horizontal direction（9k）Inner ring and horizontal direction shaft coupling（9d）Outer surface is installed together, horizontal direction fore bearing （9j）With bearing after horizontal direction（9k）Use angular contact ball bearing；Horizontal screw lead locking nut（9h）It is threadedly attached in Horizontal screw lead（9a）End；The angling cylinder（10）, including angling cylinder pedestal（10a）, angling cylinder revolving body （10b）；Wherein, angling cylinder pedestal（10a）Horizontal saddle is fixedly connected on by soket head cap screw（8d）On；Angling cylinder returns Swivel（10b）Angling cylinder pedestal is mounted on by soket head cap screw（10a）On；Angling cylinder revolving body（10b）Upper surface leads to It crosses soket head cap screw and laser feeler protective cover is installed（11）.

7. a kind of multiple tooth on-line measuring device of straight bevel gear finish forge according to claim 1, it is characterised in that：It is non-contact Formula laser feeler（11）, including laser signal transmitter（11a）, laser signal receivers（11b）And it is docked with computer realization Line interface（11c）；Wherein, non-contact laser gauge head（11）It is incited somebody to action there are three threaded hole by soket head cap screw upper surface Non-contact laser gauge head（11）It is fixedly connected on laser feeler protective cover housing（12b）On.

8. a kind of multiple tooth on-line measuring device of straight bevel gear finish forge according to claim 1, it is characterised in that：Laser Measuring Head protective cover（12）, including laser feeler protective cover cover board（12a）, laser feeler protective cover housing（12b）, laser feeler protection Cover opening（12c）, heat resistant glass（12d）, glass cover-plate（12e）, glass backing plate（12f）；Backing plate on the upside of glass（12fa）, glass Downside backing plate（12fb）；Wherein, laser feeler protective cover housing（12b）It is surveyed by three soket head cap screws and non-contact laser Head（11）It is fixedly connected；Laser feeler protective cover cover board（12a）Laser feeler is fixedly connected on by four soket head cap screws to prevent Shield housing（12b）On；Laser feeler protective cover housing（12b）There are one groove, heat resistant glasses for lower surface（12d）It is placed on recessed In slot, in heat resistant glass（12d）With laser feeler protective cover housing（12b）Between installation there are one backing plates on the upside of glass （12fa）；Glass cover-plate（12e）Laser feeler protective cover housing is fixedly connected on by four soket head cap screws（12b）Following table On face, so as to by heat resistant glass（12d）It is fixedly mounted on laser feeler protective cover housing（12b）Lower end groove in；In glass Cover board（12e）With laser feeler protective cover housing（12b）Between installation there are one glass under side backing plate（12fb）；Gauge head protective cover Housing（12b）Rear surface is fixedly connected on angling cylinder revolving body there are four hole by four soket head cap screws（10b）On；Institute The computer stated（14）By entire detection device, pass through data cable（13）By computer（14）It is surveyed with non-contact laser Head（11）It is connected.