CN206990472U - A kind of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device - Google Patents

Abstract

A kind of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device, including：Straight bevel gear, gear positioning clamp, positioning fixture support meanss, base, robot measurement, non-contact laser gauge head, gauge head protective cover, computer etc.；Positioning fixture support meanss are connected on base；Gear positioning clamp is connected in positioning fixture support meanss；Robot measurement is connected on base；Laser feeler protective cover is connected on the 6th axle of robot measurement；Non-contact laser gauge head is connected on laser feeler protective cover；Computer realizes data communication by data wire and non-contact laser gauge head.Find whether suitable, the timely processing of mold defect and forging pressure in time by testing result；Motion and the swing angle of robot are adjusted, the detection to different cultivars product can be completed；Can be in the hot lower detection completed to chordal tooth thickness, forging one tooth surface defect of die height and gear.The detecting system structure is novel, easy to implement.

Description

A kind of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device

Technical field

The utility model belongs to mechanical manufacturing field, is related to a kind of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device.

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 a little finishing.Finish forge Gear has a 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 Survey to judge that whether qualified straight bevel gear is.

2）Percent defective is high, when the unqualified situation of forging caused by mould occur and filling the generation abrasion of incomplete or mould, It is not easy to be discovered in time, causes to produce a large amount of unqualified workpiece in succession.And need 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 problemses.Judge these problem expenses When it is laborious, operating efficiency is low.

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

To sum up analyze, current gear precision forging industry, also go to realize without a set of ripe method and tooth is bored to finish forge straight-tooth The on-line checking of wheel, and then unqualified workpiece can not be found 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 produced, production cost is controlled.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 PRECISION-FORGED STRAIGHT BEVEL GEARS on-line checking dress Put, using contactless online test method, unqualified finish forge workpiece can be found in time.The structure of the detecting device is compact, operation Convenient, 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 PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device, including：Straight bevel gear, gear positioning clamp, positioning fixture Support meanss, base, robot measurement, non-contact laser gauge head, gauge head protective cover, computer, data wire；Base passes through ground Foot bolt fixes on the ground；Positioning fixture support meanss are fixedly connected on base by soket head cap screw；Gear locating clip Tool is fixedly connected in positioning fixture support meanss by soket head cap screw；Robot measurement is fixedly connected by soket head cap screw On base；Laser feeler protective cover is fixedly connected on the 6th axle of robot measurement by soket head cap screw；It is contactless Laser feeler is fixedly connected on laser feeler protective cover by soket head cap screw；Computer is swashed by data wire with contactless Flash ranging head realizes data communication.

Described straight bevel gear is common involute profile straight bevel gear, and the column part of straight bevel gear rear end can It is used to clamp.

Described 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 is coordinated with the cylindrical of teeth portion positioning body using gap, teeth portion supporter It is fixedly connected on by four soket head cap screws in positioning fixture support meanss.

Described positioning fixture support meanss upper end is fixedly connected by soket head cap screw with gear positioning clamp, and lower end leads to Soket head cap screw is crossed to be fixedly connected on base；Wherein, positioning fixture support meanss use the form of hollow design；Described bottom Seat uses rectangle square plate structure, is fixedly connected on the ground by foundation bolt.

Described robot measurement uses six axis joint robot measurements, and robot measurement will by four soket head cap screws Robot measurement base is fixedly connected on base；Four screwed holes are provided with the axle of robot measurement the 6th.

Described non-contact laser gauge head itself include laser signal transmitter, laser signal receivers and with calculating The line interface that machine achieves a butt joint；Wherein, there are four screwed holes on non-contact laser gauge head, can be connect with soket head cap screw by non- Touch laser feeler is fixedly connected on laser feeler protective cover housing.

Described laser feeler protective cover, including laser feeler protective cover cover plate, laser feeler protective cover housing, Laser Measuring Head protection cover opening, heat resistant glass, glass cover-plate, glass backing plate, glass upside backing plate, glass under side backing plate；Wherein, Laser Measuring Head protective cover housing is fixedly connected by four soket head cap screws with non-contact laser gauge head；Laser feeler protective cover cover plate leads to Four soket head cap screws are crossed to be fixedly connected on laser feeler protective cover housing；Laser feeler protective cover housing lower surface has one Groove, heat resistant glass are placed in a groove, are provided between heat resistant glass and laser feeler protective cover housing on a glass Side backing plate；Glass cover-plate is fixedly connected on the lower surface of laser feeler protective cover housing by four soket head cap screws, 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 One glass under side backing plate is installed between housing；Laser feeler protective cover cover plate is fixedly connected on laser by soket head cap screw On gauge head protective cover housing；There are four holes gauge head protective cover rear end, and measurement machine is fixedly connected on by four soket head cap screws On the axle of people the 6th.

Described computer is arranged on by whole detection means, by data wire by computer and non-contact laser gauge head It is connected.

Due to using techniques discussed above scheme, the utility model can reach following beneficial effect：

1st, PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device described in the utility model, as a result of contactless laser Gauge head so that the temperature of workpiece in itself is almost made on measurement result not into influence.By to chordal tooth thickness, forging die height and tooth The on-line checking of wheel surface defect, it has been truly realized and has realized the real-time monitoring to straight bevel gear finish forge effect at finish forge scene, The whether suitable of mold defect and forging pressure can be found in time by testing result, so as to stop processing rapidly, find out problem Place.Percent defective can be greatly reduced, shortens the time to search problem, reduces production cost.

2nd, PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device described in the utility model, only comprising robot and positioning fixture two Individual main device, simple in construction, floor space is small.Realize that non-contact laser is surveyed using the motion using six axis joint robots The method of movement locus needed for head, when product variety switches, can only by the motion for adjusting robot and swing angle, Complete the detection to different cultivars product.

3rd, PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device described in the utility model, the detecting system structure is novel, detection Method is simple and easy, and can be incorporated into the precision forging industry of gear class or other parts, easy to implement.

Brief description of the drawings

Fig. 1 is a kind of structural representation of the straight bevel gear of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model Figure；

Fig. 2 is a kind of straight bevel gear of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model away from the small end facewidth 1/ Normal section view at 4；

Fig. 3 is a kind of structural representation of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model；

Fig. 4 is that a kind of assembling of gear positioning clamp of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model is illustrated Figure；

Fig. 5 is that a kind of teeth portion of gear positioning clamp of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model positions Body schematic diagram；

Fig. 6 is a kind of gear positioning clamp teeth portion supporter of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model Schematic diagram；

Fig. 7 is that a kind of positioning fixture support meanss of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model are illustrated Figure；

Fig. 8 is a kind of base schematic diagram of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model；

Fig. 9 is a kind of robot measurement schematic diagram of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model；

Figure 10 is a kind of robot measurement base schematic diagram of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model；

Figure 11 is that a kind of axle of robot measurement the 6th of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model is illustrated Figure；

Figure 12 is a kind of non-contact laser gauge head of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model with surveying Head protective cover assembling schematic diagram；

Figure 13 is that a kind of non-contact laser gauge head of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model is illustrated Figure；

Figure 14 is that a kind of laser feeler protective cover housing of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model shows It is intended to；

Figure 15 is that a kind of laser feeler protective cover cover plate of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model shows It is intended to；

Figure 16 is a kind of glass mounting plates schematic diagram of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model.

Figure 17 is backing plate schematic diagram on the upside of a kind of glass of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model.

Figure 18 is a kind of glass under side backing plate schematic diagram of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device of the utility model.

In figure：1st, straight bevel gear；2nd, gear positioning clamp；2a, teeth portion positioning body；2b, teeth portion supporter；3rd, locating clip Has support base；4th, base；5th, robot measurement；5a, robot measurement base；5b, the axle of robot measurement the 6th；6th, it is non-contact Formula laser feeler；6a, laser signal transmitter；6b, laser signal receivers；6c, line interface；7th, laser feeler protective cover； 7a, laser feeler protective cover cover plate；7b, laser feeler protective cover housing；7c, laser feeler protection cover opening；7d, heat-resisting glass Glass；7e, glass cover-plate；7f, glass backing plate；Backing plate on the upside of 7fa, glass；7fb, glass under side backing plate；8th, computer；9th, data Line.

In another figure：C, die height is forged；1a, away from the small end facewidth 1/4 at；1b, away from the small end facewidth 2/4 at；1c, away from small end At the facewidth 3/4；1e, indexing circular cone；1f, reference circle chordal tooth thickness；P：Straight bevel gear upper surface coordinate value；Q：Under straight bevel gear Face coordinate values；m：Straight bevel gear normal section and the right flank of tooth coordinate value of pitch cone intersection point；n：Straight bevel gear normal section with The left flank of tooth coordinate value of pitch cone intersection point.

Embodiment

The utility model can be explained in more detail by the following examples, the utility model is not limited to following reality Example is applied, open the purpose of this utility model is intended to protect all changes and improvements in the scope of the utility model.

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

1）Chordal tooth thickness 1f：Known by Fig. 1 and Fig. 2, the utility model is at 1a of the facewidth direction away from small end, at 1b and at 1c At three on normal section, the chordal tooth thickness of straight bevel gear is detected respectively.Chordal tooth thickness at three is detected, in effectively can avoiding due to only detecting Randomness caused by point chordal tooth thickness or outer chordal thickness, it can also avoid because outer chordal thickness caused by the reasons such as chamfering can not be accurate Situation about really measuring.

2）Forge die height C：Known by Fig. 1, only detect a size to be played a decisive role to finish forge, forge die height C。

3）Surface defect：Gauge head is scanned along the direction parallel to the pitch cone of straight bevel gear 1 to the flank of tooth, will can sweep The flank of tooth point fitting in the multiple sections retouched turns into a whole flank of tooth, so as to directly observe gear surface with the presence or absence of scarce Fall into.

Known by Fig. 1~2, described straight bevel gear 1 is common involute profile straight bevel gear, the column part of rear end It can be used to clamp.Respectively away from chordal tooth thickness 1f is detected at the small end 1/4,2/4,3/4 of straight bevel gear 1, measurement error can be reduced Caused probability.

Known by Fig. 4~6, described gear positioning clamp 2, including teeth portion positioning body 2a, teeth portion supporter 2b；Wherein, tooth Portion positioning body 2a is fixedly connected with teeth portion supporter 2b, is threaded in teeth portion supporter 2b by a soket head cap screw； Teeth portion positioning body 2a uses the three-point fix mode that six teeth are used only, and the other of teeth portion positioning body 2a are not played into positioning work Region is machined away using the method for wire cutting, so as to which non-contact laser gauge head 6 could be used to be cut in teeth portion positioning body 2a The part sliced off measures；Teeth portion supporter 2b endoporus is coordinated with the cylindrical of teeth portion positioning body 2a using gap, teeth portion support Body 2b is fixedly connected in positioning fixture support meanss 3 by four soket head cap screws.Teeth portion positioning body 2a and teeth portion supporter 2b can only be changed teeth portion positioning body 2a, can realized to other kinds by the way of threaded connection when product variety switches The positioning of product.

Known by Fig. 7, described positioning fixture support meanss 3, upper end is fixed by soket head cap screw and gear positioning clamp 2 Connection, lower end is fixedly connected on base 4 by soket head cap screw；Wherein, positioning fixture support meanss 3 are using hollow design Form, while the support effect of gear positioning clamp 2 is played, alleviate the weight of whole positioner.

Known by Fig. 8, described base 4, using rectangle square plate structure, be fixedly connected on the ground by foundation bolt, For playing fixed and supporting role to robot measurement 5 and positioning fixture support meanss 3.

Known by Fig. 9~11, described robot measurement 5, using six axis joint robot measurements, robot measurement 5 passes through Robot measurement base 5a is fixedly connected on base 4 by four soket head cap screws；It is provided with the axle 5b of robot measurement the 6th Four screwed holes, for fixing gauge head protective cover 7.

Known by Figure 12~13, described non-contact laser gauge head 6, itself include laser signal transmitter 6a, laser The signal receiver 6b and line interface 6c to be achieved a butt joint with computer；Wherein, there are four screw threads on non-contact laser gauge head 6 Hole, non-contact laser gauge head 6 can be fixedly connected on laser feeler protective cover housing 7b with soket head cap screw；Laser feeler 6 transmitting itself are blue lasers, and what is launched during the heating of straight bevel gear 1 is infrared laser, it is ensured that measurement result is accurate Property.

Known by Figure 12~16, described laser feeler protective cover 7, including laser feeler protective cover cover plate 7a, laser feeler Protective cover housing 7b, laser feeler protection cover opening 7c, heat resistant glass 7d, glass cover-plate 7e, glass backing plate 7f, glass upside are padded Plate 7fa, glass under side backing plate 7fb；Wherein, laser feeler protective cover housing 7b is swashed by four soket head cap screws with contactless Flash ranging first 6 is fixedly connected, for playing positioning and protective effect to non-contact laser gauge head 6；Laser feeler protective cover cover plate 7a is fixedly connected on laser feeler protective cover housing 7b by four soket head cap screws, for non-contact laser gauge head 6 Play a protective role；There is a groove laser feeler protective cover housing 7b lower surfaces, and heat resistant glass 7d is placed in a groove, heat-resisting Glass 7d not only high temperature resistants, and translucency is fabulous, will not have an impact to measurement result；Prevent in heat resistant glass 7d with laser feeler Backing plate 7fa on the upside of one glass is installed between shield housing 7b；Glass cover-plate 7e is fixedly connected by four soket head cap screws On laser feeler protective cover housing 7b lower surface, so as to which heat resistant glass 7d is fixedly mounted on into laser feeler protective cover housing In 7b lower end groove；A glass under side backing plate is installed between glass cover-plate 7e and laser feeler protective cover housing 7b 7fb；Backing plate 7fa and glass under side backing plate 7fb installation on the upside of glass, it is to prevent heat resistant glass 7d from being protected with laser feeler Over body case 7b and glass cover-plate 7e directly contact issuable glass crack；Laser feeler protective cover cover plate 7a passes through interior hexagonal Screw is fixedly connected on laser feeler protective cover housing 7b；There are four holes the rear end of gauge head protective cover 7, passes through four interior hexagonal spiral shells Nail is fixedly connected on the axle 5b of robot measurement the 6th.

Known by Fig. 3, described computer 8 is arranged on by whole measurement apparatus, is connect computer 8 with non-by data wire 9 Touch laser feeler 6 is connected.

A kind of online test method of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device, step are as follows：

【1】On-line measuring device is installed：Base 4 is fixedly connected on ground by electric screw press by foundation bolt Correct position；Robot measurement base 5a is fixedly connected on base 4 by robot measurement 5 by four soket head cap screws； Teeth portion positioning body 2a in gear positioning clamp 2, by soket head cap screw, is fixedly connected by the way of six tooth three-point fixs On teeth portion supporter 2b；Teeth portion supporter 2b is fixedly connected on base 4 by four soket head cap screws；Non-contact laser Gauge head 6 is fixedly connected on laser feeler protective cover housing 7b rear end faces by four soket head cap screws；Laser feeler protective cover 7 are fixedly connected on laser feeler protective cover housing 7b on the axle 5b of robot measurement the 6th by four soket head cap screws；Laser Gauge head protective cover cover plate 7a is fixedly connected on laser feeler protective cover housing 7b by four soket head cap screws；Heat resistant glass 7d It is placed in the groove of laser feeler protective cover housing 7b lower surfaces, under heat resistant glass 7d and laser feeler protective cover housing 7b Backing plate 7fa on the upside of a glass is lined with surface groove；Glass cover-plate 7e is fixedly connected on laser by four soket head cap screws On gauge head protective cover housing 7b lower surface, one is lined between glass cover-plate 7e and laser feeler protective cover housing 7b lower surfaces Individual glass under side backing plate 7fb；Laser feeler protective cover 7 plays a protective role to non-contact laser gauge head 8；Computer 8 passes through Data wire 9 is connected with non-contact laser gauge head 6, the testing result of non-contact laser gauge head 6 is acquired, show and Feedback, realize and communicate with whole on-line detecting system.During detection, cover opening 7c is protected to laser by laser feeler Compressed air is passed through in gauge head protective cover 7, plays a part of cooling to non-contact laser gauge head 6, it is contactless so as to avoid Laser feeler 6 is for a long time in influence of the hot environment work to the life-span of non-contact laser gauge head 6.

【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；Then, the laser signal transmitter 6a on non-contact laser gauge head 6 launches laser beam to the flank of tooth of straight bevel gear 1, swashs Optical signal receiver 6b is used for receiving measured signal；Non-contact laser gauge head 6 is built-in with data collecting card, and laser signal is connect Receive the testing result that device 6b is received to be collected, in case follow-up calculate uses.

【2-1】The detection of the surface defect of straight bevel gear 1：The high temperature straight bevel gear 1 of formed by forging is placed on gear On positioning fixture 2, non-contact laser gauge head 6 is fixedly connected with the axle 5b of robot measurement the 6th.By robot measurement 5 from The moving along the pitch cone direction of straight bevel gear 1 of non-contact laser gauge head 6 is realized in body motion, detects straight bevel gear 1 In one tooth, the flank of tooth point data of multiple normal sections along tooth length direction, then the flank of tooth point data of multiple normal sections is fitted to For a whole flank of tooth, the actually detected flank of tooth is compared with the standard flank of tooth, can intuitively observe and be lacked with the presence or absence of surface Sunken and surface defect position, if straight bevel gear 1 has surface defect, need to stop producing, judge that the defect produces The reason for.

【2-2】The chordal tooth thickness 1f of straight bevel gear 1 detection：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 the normal section of straight bevel gear 1 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】Straight bevel gear 1 forges die height C detection：Non-contact laser is controlled to survey by robot measurement 5 First 6, laser beam is made a call to a point each on the upper surface of straight bevel gear 1 and lower surface respectively, detect on workpiece Face coordinate values P and coordinate value Q of the workpiece lower surface in the same coordinate system, can be poor by relative coordinate（P-Q）Calculate Forge die height C.By forging die height C detection, the elevation information of straight bevel gear 1 can be fed back to forging and stamping and set It is standby, so as to the size of adjusting device forging pressure, realize the closed-loop control of forging process.

【3】Show testing result：Flank of tooth testing result is connect by the laser signal receivers 3b of non-contact laser gauge head 6 Receive measured signal, by the data collecting card built in non-contact laser gauge head 6 by the normal section flank of tooth point data measured, fitting The detected flank of tooth that goes out, the hot chordal tooth thickness 1f detected and forging die height C are passed on computer 8 by data wire 9 Mounted pairing software systems, measurement result is completely shown on computer 8.

【4】Judge testing result：The chordal tooth thickness 1f and forging die height C detected for straight bevel gear 1 under hot, When needing to be multiplied by corresponding measurement temperature respectively to the chordal tooth thickness 1f and forging die height C calculated under the cold conditions of straight bevel gear 1 The numerical value that is drawn of linear expansion coefficient contrasted.During due to measuring every time, measured straight bevel gear 1 may be in not With temperature under, it is also possible to because straight bevel gear 1 is toward when putting on gear positioning clamp 2, inevitably produce positioning Error, so as to which the generation of measurement error can be caused, it is therefore desirable to the chordal tooth thickness 1f and forging die height C settings one detected The individual margin of tolerance, as long as within this margin of tolerance, judge that straight bevel gear 1 is qualified；If detected value is not in this tolerance Within the scope of, then judge that straight bevel gear 1 is unqualified；Then need to stop producing, search reason, it is a large amount of unqualified straight so as to avoid The generation of bevel gear 1.

PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device described herein, using the method for non-contact detection, effectively solution The problem of high-temperature forging of having determined can not realize instant measurement, if unqualified workpiece be present, process equipment can be stopped immediately, found out not Qualified workpiece Producing reason, so as to avoid the generation of a large amount of waste products, reduces production cost.

PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device described herein, is forged using non-contact laser gauge head to high temperature Workpiece is detected, and secondary development has been carried out to non-contact laser gauge head using computer language, it is achieved thereby that to hot The detection of straight bevel gear surface defect, forging die height and chordal tooth thickness.

The testing result of the application is the thermal state sizes detected at a temperature of 800 °C or so, and the size is tested It with the addition of what linear expansion coefficient obtained on the basis of straight bevel gear cold conditions size.Use detection means described herein and inspection The qualified forging die height of straight bevel gear that survey method detects under hot, chordal tooth thickness data, when straight bevel gear is cold But after, on gear inspector or thickness calipers detect that this two testing results are also qualified, it was demonstrated that testing result Accurately and reliably.

The forging mold closing that detection means and detection method described herein can also measure straight bevel gear under cold conditions is high Degree, chordal tooth thickness data, and this two testing results obtained under the result and cold conditions measured in the cold state on gear inspector It is consistent, it was demonstrated that testing result is accurately and reliably.

The forging die height that detection means described herein detects can feed back to forging equipment, and adjustment forges pressure Power, realize the closed-loop control of whole intelligent finish forge line.Counted by the flank of tooth of the multiple normal sections of the straight bevel gear detected Gear surface defect condition and surface defect position can be intuitively shown according to the actual flank of tooth fitted, for actual production Have important practical significance, and the structure of the detecting device is compact, can be introduced to gear class or the precision forging of other parts Industry.

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

Further illustrate：The implementation selected in this paper 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 prior art.

Claims (7)

1. a kind of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device, including：Straight bevel gear（1）, gear positioning clamp（2）, positioning Fixture support meanss（3）, base（4）, robot measurement（5）, non-contact laser gauge head（6）, gauge head protective cover（7）, calculate Machine（8）, data wire（9）；It is characterized in that：Base（4）Fixed on the ground by foundation bolt；Positioning fixture support meanss （3）Base is fixedly connected on by soket head cap screw（4）On；Gear positioning clamp（2）It is fixedly connected on by soket head cap screw Positioning fixture support meanss（3）On；Robot measurement（5）Base is fixedly connected on by soket head cap screw（4）On；Laser feeler Protective cover（7）Robot measurement is fixedly connected on by soket head cap screw（5）The 6th axle（5b）On；Non-contact laser gauge head （6）Laser feeler protective cover is fixedly connected on by soket head cap screw（7）On；Computer（8）Pass through data wire（9）With it is non-contact Formula laser feeler（6）Realize data communication；Described straight bevel gear（1）For common involute profile straight bevel gear.

A kind of 2. PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device according to claim 1, it is characterised in that：Described gear Positioning fixture（2）, including teeth portion positioning body（2a）, teeth portion supporter（2b）；Wherein, teeth portion positioning body（2a）Pass through interior hexagonal spiral shell Nail is tightened in teeth portion supporter（2b）On, teeth portion supporter（2b）Inside it is threaded；Teeth portion positioning body（2a）By in one Hex screw, with teeth portion supporter（2b）It is fixedly connected；Teeth portion supporter（2b）Endoporus and teeth portion positioning body（2a）Cylindrical adopt Coordinated with gap, teeth portion supporter（2b）Positioning fixture support meanss are fixedly connected on by four soket head cap screws（3）On.

A kind of 3. PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device according to claim 1, it is characterised in that：Described positioning Fixture support meanss（3）Upper end passes through soket head cap screw and gear positioning clamp（2）It is fixedly connected, lower end passes through soket head cap screw It is fixedly connected on base（4）On；Wherein, positioning fixture support meanss（3）Using the form of hollow design；Described base（4） Using rectangle square plate structure, it is fixedly connected on the ground by foundation bolt.

A kind of 4. PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device according to claim 1, it is characterised in that：Described measurement Robot（5）Using six axis joint robot measurements, robot measurement（5）By four soket head cap screws by robot measurement bottom Seat（5a）It is fixedly connected on base（4）On；The axle of robot measurement the 6th（5b）On be provided with four screwed holes.

A kind of 5. PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device according to claim 1, it is characterised in that：It is described non-to connect Touch laser feeler（6）Itself include laser signal transmitter（6a）, laser signal receivers（6b）And realized with computer The line interface of docking（6c）；Wherein, non-contact laser gauge head（6）On have four screwed holes, can will be non-with soket head cap screw Contact laser gauge head（6）It is fixedly connected on laser feeler protective cover housing（7b）On.

A kind of 6. PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device according to claim 1, it is characterised in that：Described laser Gauge head protective cover（7）, including laser feeler protective cover cover plate（7a）, laser feeler protective cover housing（7b）, laser feeler protection Cover opening（7c）, heat resistant glass（7d）, glass cover-plate（7e）, glass isolator（7f）, backing plate on the upside of glass（7fa）, glass under side pad Plate（7fb）；Wherein, laser feeler protective cover housing（7b）Pass through four soket head cap screws and non-contact laser gauge head（6）Gu Fixed connection；Laser feeler protective cover cover plate（7a）Laser feeler protective cover housing is fixedly connected on by four soket head cap screws （7b）On；Laser feeler protective cover housing（7b）There are a groove, heat resistant glass in lower surface（7d）Place in a groove, heat-resisting Glass（7d）With laser feeler protective cover housing（7b）Between backing plate on the upside of glass is installed（7fa）；Glass cover-plate（7e） Laser feeler protective cover housing is fixedly connected on by four soket head cap screws（7b）Lower surface on, so as to by heat resistant glass （7d）It is fixedly mounted on laser feeler protective cover housing（7b）Lower end groove in；In glass cover-plate（7e）Protected with laser feeler Over body case（7b）Between a glass under side backing plate is installed（7fb）；Laser feeler protective cover cover plate（7a）Pass through interior hexagonal spiral shell Nail is fixedly connected on laser feeler protective cover housing（7b）On；Gauge head protective cover（7）There are four holes rear end, passes through four interior hexagonals Screw is fixedly connected on the axle of robot measurement the 6th（5b）On.

A kind of 7. PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device according to claim 1, it is characterised in that：Described calculating Machine（8）By whole detection means, pass through data wire（9）By computer（8）With non-contact laser gauge head（6）It is connected Connect.