CN206670599U - A kind of length of axle and the detection device of hole size - Google Patents

Abstract

The utility model provides a kind of length of axle and the detection device of hole size, belongs to field of measuring technique.It solves the detection of existing axle without technical problems such as corresponding automatic equipments.The length of this axle and the detection device of hole size include workbench, workbench is provided with test desk, test desk is provided with three detection pedestals, the shaft core of three detection pedestals can pass through rotational structure synchronous axial system, workbench is provided with the station transfer device of energy transfer shaft, workbench is provided with the automatic charging device for the charging reversing sleeve that the axle in hopper can be plugged to horizontality, workbench is provided with the automatic discharge apparatus that can be transplanted on the axle in the discharging reversing sleeve for being plugged on horizontality in magazine, the device for detecting length that can detect shaft length and the inner hole detecting device that axle hole size can be detected are additionally provided with workbench.The advantages of the utility model has the accuracy for improving detection data and improves detection efficiency.

Description

A kind of length of axle and the detection device of hole size

Technical field

The utility model belongs to field of measuring technique, is related to a kind of length of axle and the detection device of hole size.

Background technology

In high precision apparatus field to equipment in the sizes of parts require higher, therefore after parts complete It will be detected, the defect ware that size is not reached to requirement eliminates.There is a kind of axle at present, axle has diameter different Two sections, form step between different two sections of diameter, the end that less one section of shaft diameter is provided with Inner holes, needed before assembly The diameter of two segment length and Inner holes to axle detects.The axle of this structure is examined automatically currently without special equipment To survey, the detection for this kind of axle is mainly carried out by way of manually using instrumentation detection, and this kind of method is less efficient, and Easily there is mistake in artificial detection.

The content of the invention

The purpose of this utility model is above mentioned problem be present for existing technology, it is proposed that the length and endoporus of a kind of axle The detection device of size, the technical problem that the utility model solves are to improve the accuracy of detection data and improve detection to imitate Rate.

The purpose of this utility model can be realized by following technical proposal：

A kind of length of axle and the detection device of hole size, including workbench, it is characterised in that in the workbench Portion is provided with the test desk that can be horizontally slipped along workbench, and the test desk is provided with three detection pedestals being arranged side by side, described The shaft core for locating shaft is rotatably connected in detection pedestal, the shaft core is vertically arranged, the shaft core of three detection pedestals It can be rotated respectively provided with charging commutation positioned at the both ends of three detection pedestals on the test desk by rotational structure synchronous axial system Sleeve and discharging reversing sleeve, the charging reversing sleeve and discharging reversing sleeve can turn to horizontality or vertical shape State, the workbench be provided with axle can be passed sequentially through three detection pedestals from the charging reversing sleeve of vertical state after retransfer To the station transfer device of the discharging reversing sleeve of vertical state, it is located on the workbench close to the side of charging reversing sleeve It is fixed with the hopper of storage axle, the workbench is provided with can be automatic by the axle in hopper and be plugged to entering for horizontality successively Expect the automatic charging device of reversing sleeve, be located on the workbench and be provided with magazine close to the side of discharging reversing sleeve, it is described It is located at the axle that is provided with and will can be plugged in the discharging reversing sleeve of horizontality close to the side of discharging reversing sleeve on workbench The automatic discharge apparatus being transplanted in magazine, be additionally provided with the workbench it is corresponding with one of detection pedestal and can detect it is fixed The device for detecting length of position shaft length in the detection pedestal, is additionally provided with the workbench corresponding with two other detection pedestal And the inner hole detecting device for being positioned at axle hole size in two detection pedestals can be detected.

In detection, the less one section of insertion shaft core of shaft diameter, the step of axle, against causing axle to be vertically arranged, leads to shaft core The automatic charging that automatic charging device realizes axle to be detected is crossed, realizes axle in charging reversing sleeve, inspection by station transfer device The station transfer that pedestal is surveyed between the reversing sleeve that discharges, by device for detecting length and inner hole detecting device respectively to the length of axle The automatic detection of the endoporus of degree and axle, while is rotated in detection process by rotational structure axle, improves shaft length and interior The precision of hole size detection, the process of the axle self-emptying after the completion of detection is realized by automatic discharge apparatus, finally realizes axle The full automation of detection, improves the accuracy of detection data, while improves detection efficiency.

In the length of above-mentioned axle and the detection device of hole size, the device for detecting length includes upper Distance-sensing Device and lower range sensor, the lower range sensor is fixed on test desk and correspondingly the shaft core of detection pedestal is located at lower distance The surface of sensor, the upper range sensor fix on the table and corresponding detection pedestal shaft core can be moved to away from From the underface of sensor.Upper range sensor and lower range sensor contact with the upper surface of axle and lower surface respectively, due to Position between upper range sensor, lower range sensor and shaft core determines, therefore it is straight by upper range sensor to detect axle The length that larger one section of footpath, the length of smaller one section of shaft diameter can be detected by lower range sensor；Pass through rotation in detection Structure drives shaft core to rotate, thus axle also can be with rotation, therefore the upper surface difference position that upper range sensor can respectively with axle Contact is put, lower range sensor can contact with the lower surface diverse location of axle respectively, can be accurate by the measurement of multiple positions To the length of larger one section of shaft diameter and smaller one section of diameter；Preferably, upper range sensor and lower distance in the application Sensor uses model GT2-A50 sensor, is existing product.

In the length of above-mentioned axle and the detection device of hole size, the inner hole detecting device include detection air pump and Airtight measuring instrument, the workbench are provided with crane, and two two set straight up gas are fixed with the crane Move gauge head and crane can drive two plug jets to move up and down, two plug jets can be respectively positioned at corresponding two inspections The underface of two shaft cores of pedestal is surveyed, the detection air pump is connected with airtight measuring instrument by tracheae, the airtight measuring instrument It is connected respectively with two plug jets by tracheae.Rise and penetrate in the endoporus of axle by crane aerodynamic side head, with This detects air-pump inflating simultaneously, and air-flow by plug jet by entering endoporus again after airtight measuring instrument；Because plug jet is worn It is not necessarily located at during the endoporus for entering axle on the axis of axle, therefore passes through the inwall and gas of the rotary shaft axle endoporus in detection Dynamic change between dynamic side head, airtight measuring instrument can detect the pressure change from plug jet eluting gas, and data are sent On to computer compared with pre-stored values, the hole size of axle meets to require if data are in the range of pre-stored values, if Then the hole size of axle is unqualified outside the scope of pre-stored values for data, and the endoporus of axle is examined twice by two groups of detection pedestals Survey, ensure the precision of detection.

In the length of above-mentioned axle and the detection device of hole size, the rotational structure includes motor and skin Band, the detection pedestal include the bearing block fixed with test desk and the upper bearing (metal) and lower axle that are rotatably connected in bearing block Hold, the shaft core grafting is positioned at the inner ring of upper bearing (metal), is plugged with Pulley shaft in the inner ring of the lower bearing, the shaft core with There is resigning gap one, the Pulley shaft positions in the circumferential with shaft core and Pulley shaft can relative shaft core between Pulley shaft It is axially moveable, the lower end of the Pulley shaft passes bearing block and is fixedly connected with driven pulley, the driven pulley There is resigning gap two with the lower surface of bearing block, the motor is fixed on test desk, the rotating shaft of the motor On be fixed with drive pulley, connected between the drive pulley and three driven pulleies by the belt of tensioning.Shaft core It is rotatably connected on respectively by upper bearing (metal) and lower bearing in bearing block with Pulley shaft, both attachment structures between bearing block Independently of each other, shaft core and Pulley shaft are only positioned in the circumferential, and belt occurs when driving driven pulley to rotate to be floated downward Dynamic situation, driven pulley can fluctuate with Pulley shaft, and resigning gap one causes have between Pulley shaft and shaft core There is the space fluctuated, resigning gap two causes there is the space fluctuated between driven pulley and bearing block, and by Be not connected in the axial direction with Pulley shaft in shaft core, thus dynamic belt pulley and Pulley shaft fluctuate will not cause shaft core or The vibration or movement of person's bearing block, it is positioned at axle to be detected in shaft core and is unaffected, therefore can guarantee that shaft detection Precision and accuracy；Rotated by a root skin band with several driven pulleies, can realize that multiple detection pedestals synchronously detect, Compact-sized and detection efficiency is higher.

In the length of above-mentioned axle and the detection device of hole size, the station transfer device include mounting bracket, Lift cylinder, flat-removing air cyclinder and clamping jaw, the mounting bracket are fixed on the table, and the lift cylinder is fixed on straight down In mounting bracket, the flat-removing air cyclinder is fixed on the expansion link of lift cylinder, and expansion link and the slide rail of the flat-removing air cyclinder hang down Directly, the clamping jaw corresponds with detection pedestal, is fixed with installing plate on the expansion link of the flat-removing air cyclinder, the clamping jaw is side by side Fix on a mounting board and above detection pedestal.During shaft detection, clamping jaw can be moved up and down by lift cylinder to be made Axle removes from shaft core, another inspection is moved to directly over a detection pedestal by the test desk axle that horizontally slips The surface of pedestal is surveyed, can be retreated by flat-removing air cyclinder clamping jaw, avoids clamping jaw with interfering with axle during shaft detection；Continuously examining Clamping jaw can realize axle station by axle from previous detection pedestal to the latter detection pedestal when station moves each time during survey Automatic transfer, improve the detection efficiency of axle.

In the length of above-mentioned axle and the detection device of hole size, the automatic charging device includes draw back plate, institute Stating has elongated feed opening directed downwardly on hopper, the draw back plate is between workbench and hopper and draw back plate energy edge Fore-and-aft direction moves back and forth, and the feeding groove for being only capable of accommodating an axle is provided with the middle part of the draw back plate, the feeding groove Upper notch can be alignd with feed opening, and pusher support is further fixed on the workbench, and the pusher support is located at the rear portion of hopper, The pusher support is provided with and can slide and the ejection block to the other end, the feeding groove can be slided from one end of feeding groove The other end can be alignd with the charging reversing sleeve of horizontality.The axle for needing to detect is placed into hopper, is promoting push-and-pull Plate moves forward until the feeding groove on draw back plate aligns with feed opening, and now the axle in hopper at feed opening can drop To feeding groove, rollback draw back plate, draw back plate, which is moved rearwards, extracts the axle in feeding groove out, and now draw back plate is upper Plate face is alignd with feed opening, avoids axle from dropping out hopper, stops movement when ejection block is alignd with feeding groove when draw back plate is moved to, Now feeding groove aligns with charging reversing sleeve, and ejection block is slided and promotes the axle movement in feeding groove to be changed to charging To sleeve until in axle insertion charging reversing sleeve, the automatic charging of axle is and so on realized；Pass through pushing away with feeding groove Arm-tie moves back and forth realization and can guarantee that an only piece axle of extraction every time, and axle is pushed into charging reversing sleeve, structure by ejection block It is simple and can guarantee that the continuous continual feeding of axle.

In the length of above-mentioned axle and the detection device of hole size, the automatic discharge apparatus includes being fixed on work Jig arm on platform, discharging support is fixed with the workbench, horizontally disposed discharge guide is fixed with the discharging support, The magazine is located at the underface of discharge guide and the both ends of discharge guide are respectively positioned on outside magazine, the company of slip on the discharge guide Slide is connected to, discharging lift cylinder is vertically fixed on the slide, the expansion link of the discharging lift cylinder is set down, institute Jig arm is stated to be fixed on the expansion link of discharging lift cylinder.Repacking measurement equipment has discharging reversing sleeve, and discharging reversing sleeve will The axle that detection is completed turns to horizontal level, and now by jig arm by axis clamping, discharging reversing sleeve, which retreats, causes axle from discharging Exit in reversing sleeve, then the jig arm for accompanying axle is moved to above magazine by slide, and pass through the lift cylinder that discharges General who has surrendered's axle is placed into magazine under jig arm, how back and forth to realize self-emptying.

Compared with prior art, the detection device of the length of this axle and hole size has the accuracy for improving detection data And the advantages of improving detection efficiency.

Brief description of the drawings

Fig. 1 is the dimensional structure diagram of this detection device.

Fig. 2 is dimensional structure diagram when this detection device removes shell.

Fig. 3 is dimensional structure diagram when this detection device removes shell and automatic discharge apparatus.

Fig. 4 is the dimensional structure diagram of automatic charging device.

Fig. 5 is the cross section structure diagram of automatic charging device.

Fig. 6 is three-dimensional knot when station transfer device, device for detecting length, inner hole detecting device and rotational structure are assembled Structure schematic diagram.

Fig. 7 is the dimensional structure diagram of station transfer device.

Fig. 8 is the backsight structural representation and partial enlarged drawing when flat-removing air cyclinder assembles with translation gliding seat.

Fig. 9 is dimensional structure diagram when flat-removing air cyclinder assembles with translation gliding seat.

Figure 10 is the cross section structure diagram of detection pedestal.

In figure, 1, workbench；11st, test desk；111st, slide rail；112nd, traversing pusher cylinder；113rd, hole is passed through；12nd, feed Reversing sleeve；121st, discharge reversing sleeve；2nd, mounting bracket；21st, lift cylinder；211st, raised line is lifted；212nd, lift slide； 213rd, block portion one is connected；The 214th, flat board is installed；215th, reinforcing plate；22nd, flat-removing air cyclinder；221st, raised line is translated；222nd, intermediate plate；223、 Limited block；224th, groove is positioned；225th, inclined-plane is positioned；226th, translation gliding seat；227th, chute is translated；228th, chamfering is positioned； 229th, block portion two is connected；229a, bayonet socket；23rd, installing plate；24th, clamping jaw；241st, finger cylinder；242nd, chuck；243rd, embedded groove； 3rd, upper range sensor；31st, lower range sensor；4th, airtight measuring instrument；41st, crane；411st, lift cylinder is detected；412nd, examine Survey lift slide；413rd, gauge head installing plate；414th, fixed seat；42nd, plug jet；43rd, positioning cylinder；44th, positioning head；5th, detect Pedestal；51st, shaft core；511st, upper through hole；512nd, bulge loop one；52nd, bearing block；521st, top chock；522nd, against convex edge on；523、 Step；524th, against convex edge under；53rd, upper bearing (metal)；54th, lower bearing；55th, Pulley shaft；551st, bulge loop two；552nd, grafting Bar；553rd, resigning gap one；554th, driven pulley；555th, resigning through hole；556th, convex edge；557th, it is oriented to bulge loop；558、 Resigning gap two；559th, lower through-hole；56th, end cap；57th, benchmark panel；571st, benchmark convex surface；572nd, benchmark bulge loop；58th, rotate solid Fixed rack；59th, motor；591st, drive pulley；592nd, belt；6th, hopper；6a, feed opening；61st, side plate；611st, rear gear Plate；612nd, swash plate；613rd, protective plate；62nd, draw back plate；621st, feeding groove；622nd, chamfering is guided；63rd, pusher support；632nd, it is sliding Rail one；64th, blanking sliding block；641st, fixed sheet metal component；642nd, fixed part；65th, ejection block；66th, slide rail two；67th, feeding promotes gas Cylinder；7th, magazine；71st, discharging support；72nd, discharge guide；73rd, slide；74th, discharge lift cylinder；75th, jig arm.

Embodiment

It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these embodiments.

As shown in Figures 1 to 10, the detection device of the length of axle and hole size includes shell, the work being fixed in shell Make platform 1 and the test desk 11 being arranged on workbench 1, test desk 11 is provided with three detection pedestals 5 being arranged side by side, and detects base The shaft core 51 for locating shaft is rotatably connected in seat 5, shaft core 51 is vertically arranged, and the shaft core 51 of three detection pedestals 5 can pass through Rotational structure synchronous axial system, rotated respectively provided with charging reversing sleeve 12 positioned at the both ends of three detection pedestals 5 on test desk 11 With discharging reversing sleeve 121, charging reversing sleeve 12 and discharging reversing sleeve 121 can turn to horizontality or vertical shape State, workbench 1 be provided with axle can be passed sequentially through three detection pedestals 5 from the charging reversing sleeve 12 of vertical state after retransfer To the station transfer device of the discharging reversing sleeve 121 of vertical state, one close to charging reversing sleeve 12 is located on workbench 1 Side is fixed with the hopper 6 of storage axle, and workbench 1 is provided with can be automatic by the axle in hopper 6 and be plugged to horizontality successively The automatic charging device of reversing sleeve 12 is fed, is located on workbench 1 and is provided with magazine 7 close to the side of discharging reversing sleeve 121, It is located at the discharging reversing sleeve 121 for being provided with close to the side of discharging reversing sleeve 121 and being plugged on horizontality on workbench 1 In axle be transplanted on automatic discharge apparatus in magazine 7, be additionally provided with and energy corresponding with one of detection pedestal 5 on workbench 1 Detection is positioned at the device for detecting length of shaft length in the detection pedestal 5, is additionally provided with and two other detection pedestal on workbench 1 5 correspond to and can detect the inner hole detecting device for being positioned at upper axle hole size in two detection pedestals 5.

Specifically, as shown in Fig. 1 to Fig. 3 and Fig. 6 and Fig. 7, station transfer device includes mounting bracket 2, lifting air Cylinder 21, flat-removing air cyclinder 22, clamping jaw 24 and be fixed on workbench 1 middle part two slide rails 111 be arrangeding in parallel, two one slide rails 111 parallel intervals are set, and test desk 11 is slidably connected on slide rail 111, and traversing pusher cylinder 112 is fixed with workbench 1, horizontal The expansion link of shifting pusher cylinder 112 is parallel with slide rail 111, and expansion link and the test desk 11 of traversing pusher cylinder 112 are fixed, and are passed through Traversing pusher cylinder 112 promotes test desk 11 to be slidably reciprocated along slide rail 111, and mounting bracket 2 is fixed on workbench 1, lifting air Cylinder 21 is fixed in mounting bracket 2 straight down, and flat-removing air cyclinder 22 is fixed on the expansion link of lift cylinder 21, flat-removing air cyclinder 22 Expansion link it is vertical with slide rail 111, clamping jaw 24 is corresponded with detection pedestal 5, and peace is fixed with the expansion link of flat-removing air cyclinder 22 Loading board 23, clamping jaw 24 are fixed on installing plate 23 and positioned at the tops of detection pedestal 5 side by side.

Lift slide 212 is provided between lift cylinder 21 and flat-removing air cyclinder 22, is had on the outer wall of cylinder block of lift cylinder 21 The lifting raised line 211 arranged vertically, lifting chute, the cylinder body of lift slide 212 and lift cylinder 21 are provided with lift slide 212 Outer wall is bonded, and lifting raised line 211 is caught in lifting chute and energy OQ t slide, flat-removing air cyclinder 22 are fixed on lifting and slided The lower end of seat 212, there is the connection block portion 1 of vertical protrusion, the expansion link of lift cylinder 21 and connection on lift slide 212 Block portion 1 is fixed.Drive lift slide 212 to move up and down by lift cylinder 21, realize moving up and down for flat-removing air cyclinder 22, Reach moving up and down for clamping jaw 24.

The lower end of lift slide 212 is fixed with installation flat board 214, installs and is fixed with L-shaped reinforcing plate on flat board 214 215, the side of reinforcing plate 215 and lift slide 212 recline fixation, and the another side of reinforcing plate 215 reclines with installing flat board 214 Fixed, flat-removing air cyclinder 22 is fixed on the downside of installation flat board 214.

Translation gliding seat 226 is provided between flat-removing air cyclinder 22 and installing plate 23, expansion link and the translation of flat-removing air cyclinder 22 are slided Dynamic seat 226 is connected, and translation chute 227 is provided with installing plate 23, has translation raised line 221 on the cylinder body bottom surface of flat-removing air cyclinder 22, Translation raised line 221 is caught in translation chute 227 and energy relative translation chute 227 slides, and the side of cylinder block of flat-removing air cyclinder 22 is fixed Limited location block 223, the side of limited block 223 towards translation gliding seat 226 are provided with positioning groove 224, the side of translation gliding seat 226 Face is caught in positioning groove 224, and installing plate 23 is fixed on the lower section of translation gliding seat 226.Above and below the side of translation gliding seat 226 Edge is provided with positioning chamfering 228, and the both sides cell wall of positioning groove 224 is the positioning inclined-plane that can be reclined with positioning chamfering 228 225.One end of translation gliding seat 226 has the connection block portion 2 229 of vertical protrusion, connects and is provided with bayonet socket in block portion 2 229 229a, bayonet socket 229a is U-shaped, and the positive stop strip to match with bayonet socket 229a shapes is convexed to form on bayonet socket 229a inwall, translation The end of the expansion link of cylinder 22 is fixed with two pieces of intermediate plates 222, and positive stop strip is connected between two pieces of intermediate plates 222.

Clamping jaw 24 includes finger cylinder 241 and two chucks 242, and two chucks 242 are separately fixed at finger cylinder 241 On cylinder arm, embedded groove 243 is offered on two opposite flanks of chuck 242.

As shown in Fig. 1 to Fig. 3 and Fig. 6, device for detecting length includes upper range sensor 3 and lower range sensor 31, Lower range sensor 31 is fixed on test desk 11 and the shaft core 51 of corresponding detection pedestal 5 be located at lower range sensor 31 just on Just, upper range sensor 3 is fixed on workbench 1 and correspondingly the shaft core 51 of detection pedestal 5 can be moved to range sensor 3 Underface.Upper range sensor 3 and lower range sensor 31 contact with the upper surface of axle and lower surface respectively, because upper distance passes Position between sensor 3, lower range sensor 31 and shaft core 51 determines, therefore can detect shaft diameter by upper range sensor 3 Larger one section of length, the length of smaller one section of shaft diameter can be detected by lower range sensor 31；Pass through rotation in detection Structure drives shaft core 51 to rotate, thus axle also can be with rotation, therefore upper range sensor 3 can be different from the upper surface of axle respectively Position contacts, and lower range sensor 31 can contact with the lower surface diverse location of axle respectively, can essence by the measurement of multiple positions Really obtain the length of larger one section of shaft diameter and smaller one section of diameter；Preferably, the upper range sensor 3 in the application is with Range sensor 31 is existing product using model GT2-A50 sensor.

As shown in Fig. 1 to Fig. 3 and Fig. 6, inner hole detecting device includes detection air pump and airtight measuring instrument 4, on workbench 1 Provided with crane 41, two two set straight up plug jets 42 are fixed with crane 41 and crane 41 can drive Two plug jets 42 move up and down, and two plug jets 42 can be respectively positioned at two shaft cores 51 of corresponding two detection pedestals 5 Underface, detection air pump be connected with airtight measuring instrument 4 by tracheae, airtight measuring instrument 4 by tracheae respectively with two pneumatically Gauge head 42 connects.Rise and penetrate in the endoporus of axle by the aerodynamic side head of crane 41, at the same time detect air-pump inflating, Air-flow by plug jet 42 by entering endoporus again after airtight measuring instrument 4；Due to when plug jet 42 penetrates the endoporus of axle simultaneously Be not necessarily located on the axis of axle, thus by detection when rotary shaft axle endoporus inwall and aerodynamic side head between dynamic Change, airtight measuring instrument 4 can detect the pressure change from the eluting gas of plug jet 42, and send data on computer and pre- Deposit value to be compared, the hole size of axle meets to require if data are in the range of pre-stored values, if data are in pre-stored values Scope outside then axle hole size it is unqualified, the endoporus of axle is detected twice by two groups of detection pedestals 5, ensures to detect Precision.

As shown in Figure 1, Figure 2 with shown in Fig. 6, crane 41 includes detection lift cylinder 411, detection lift slide 412 and gauge head Installing plate 413, detection lift cylinder 411 are fixed on test desk 11, and the expansion link and detection lifting for detecting lift cylinder 411 are slided Seat 412 is fixed, and detecting has the detection lifting gib block being vertically arranged on the cylinder body of lift cylinder 411, detect lift slide 412 On be provided with detection lifting groove, detection lifting gib block be caught in detection lifting groove and can relative detection lifting groove slide, survey Head installing plate 413 is fixed on detection lift slide 412.Detection lift cylinder 411 is double-rod cylinder, detects lift cylinder 411 Two expansion links with detection lift slide 412 fix, double-rod cylinder can cause detect lift slide 412 move up and down it is more steady It is fixed.Detect and be fixed with fixed seat 414 on the cylinder body of lift cylinder 411, sensor, the spy of sensor are fixed with fixed seat 414 Head can with fixed seat 414 against.Can trigger sensor in 414 backhaul of fixed seat.

Two detection pedestals 5 one with shown in Fig. 6, being fixed with mounting bracket 2 and for detecting axle endoporus as shown in Figure 1, Figure 2 Positioning cylinder 43 corresponding to one, the expansion link of positioning cylinder 43 sets and positioned at the surface of corresponding shaft core 51 downwards, fixed Positioning head 44 is fixed with the expansion link of position cylinder 43, the lower end of positioning head 44 has the ball of protrusion.In detection by fixed Position cylinder 43 by the upper end of the ball of positioning head 44 and axle against so that axle is seated against in shaft core 51.

As shown in Fig. 1 to Fig. 3 and Fig. 6 and Figure 10, rotational structure includes motor 59 and belt 592, detection pedestal 5 Including the bearing block 52 fixed with test desk 11 and the upper bearing (metal) 53 being rotatably connected in bearing block 52 and lower bearing 54, shaft core 51 grafting are positioned at the inner ring of upper bearing (metal) 53, and Pulley shaft 55, shaft core 51 and Pulley shaft are plugged with the inner ring of lower bearing 54 There is resigning gap 1, Pulley shaft 55 positions in the circumferential with shaft core 51 and Pulley shaft 55 can relative shaft core between 55 51 are axially moveable, and the lower end of Pulley shaft 55 passes bearing block 52 and is fixedly connected with driven pulley 554, driven pulley 554 have the guiding bulge loop 557 in a ring that raises up, are oriented to bulge loop 557 and penetrate bearing block 52, driven pulley 554 with The lower surface of bearing block 52 has resigning gap 2 558, and motor 59 is fixed on test desk 11, the rotating shaft of motor 59 On be fixed with drive pulley 591, connected between drive pulley 591 and three driven pulleies 554 by the belt 592 of tensioning Connect.Shaft core 51 and Pulley shaft 55 are rotatably connected in bearing block 52 by upper bearing (metal) 53 and lower bearing 54 respectively, both and axle Attachment structure between bearing 52 is separate, and shaft core 51 and Pulley shaft 55 only position in the circumferential, belt 592 drive from Situation about fluctuating occurs in dynamic belt pulley 554 when rotating, driven pulley 554 can fluctuate with Pulley shaft 55, Resigning gap 1 causes there is the space fluctuated between Pulley shaft 55 and shaft core 51, resigning gap 2 558 cause from Dynamic have a space fluctuated between belt pulley 554 and bearing block 52, and due to shaft core 51 in the axial direction with Pulley shaft 55 It is not connected to, therefore the vibration that will not cause shaft core 51 or bearing block 52 that fluctuates of the dynamic wheel of belt 592 and Pulley shaft 55 Or it is mobile, it is positioned at axle to be detected in shaft core 51 and is unaffected, therefore can guarantee that the precision and accuracy of shaft detection； Rotated by a root skin band 592 with several driven pulleies 554, can realize that multiple detection pedestals 5 are synchronous and detect, structure is tight Gather and detection efficiency is higher.

As shown in Figure 10, at least two jacks are provided with the lower surface of shaft core 51, are had on the upper surface of Pulley shaft 55 Raised shank one-to-one with jack 552, has shape between the lower surface of shaft core 51 and the upper surface of Pulley shaft 55 Into resigning gap 1, shank 552 can be plugged in corresponding jack and the energy opposing receptacle of shank 552 is axially moveable.It is logical The cooperation for crossing shank 552 and jack causes shaft core 51 and the synchronous axial system of Pulley shaft 55.Have on the lower end side face of shaft core 51 Raised bulge loop 1, jack are opened on the lower surface of bulge loop 1, have projection on the upper end side face of Pulley shaft 55 Bulge loop 2 551, shank 552 is arranged on the upper surface of bulge loop 2 551.

Bearing block 52 includes top chock 521 and step 523, and top chock 521 is solid by bolt and test desk 11 Fixed, step 523 is fixed on the bottom surface of step 523, the endoporus of top chock 521 have at lower end on support By convex edge 522, under endoporus of the outer ring of upper bearing (metal) 53 against convex edge 522 against, step 523 with has at lower end Against convex edge 524, the outer ring of lower bearing 54 with against convex edge 524 against.

Through hole 511 is provided with shaft core 51, lower through-hole 559 is provided with Pulley shaft 55, the diameter of lower through-hole 559 is more than upper The diameter of through hole 511, the upper through hole 511 of shaft core 51 connects with the lower through-hole 559 of Pulley shaft 55, in driven pulley 554 Portion is provided with the resigning through hole 555 connected with lower through-hole 559.

There is convex along 556 at the lower end of the resigning through hole 555 of driven pulley 554, the insertion of Pulley shaft 55 is stepped down Along 556 against Pulley shaft 55 is fixed by bolt and convex along 556 in through hole 555 and with convex.

End cap 56 is fixed with the upper surface of bearing block 52, the middle part of end cap 56 is provided with resigning hole, the upper surface of shaft core 51 Benchmark panel 57 is fixed with, there is benchmark convex surface 571 on the upper face of benchmark panel 57, have on the lower face of benchmark panel 57 Benchmark bulge loop 572, benchmark bulge loop 572 recline fixation through the upper surface of resigning hole and shaft core 51, the lower face of benchmark panel 57 Reclined with end cap 56.Detection pedestal 5 has three, and driven pulley 554 has three and is arranged side by side, and belt 592 is with being located at Outside of the driven pulley 554 of both sides away from test desk 11 reclines and with the driven pulley 554 positioned at centre close to measurement The inner side of platform 11 reclines.

It is fixed with test desk 11 and rotates fixed support 58, motor 59, which is fixed on, is rotated on fixed support 58, measurement It is provided with platform 11 and hole 113 is threaded through by hole 113, belt 592 in bar shaped.

As shown in Figures 1 to 5, automatic charging device includes draw back plate 62, have on hopper 6 it is directed downwardly it is elongated under Material mouth 6a, draw back plate 62 is between workbench 1 and hopper 6 and draw back plate 62 can move back and forth along the longitudinal direction, draw back plate 62 Middle part be provided with the feeding groove 621 for being only capable of accommodating an axle, the upper notch of feeding groove 621 can align with feed opening 6a, work Make to be further fixed on pusher support 63 on platform 1, pusher support 63 is located at the rear portion of hopper 6, pusher support 63 be provided with can slide and The ejection block 65 to the other end can be slided from one end of feeding groove 621, the other end of feeding groove 621 can be with horizontality Charging reversing sleeve 12 aligns.The axle for needing to detect is placed into hopper 6, moved forward promoting draw back plate 62 until push-and-pull Feeding groove 621 on plate 62 aligns with feed opening 6a, and now the axle in hopper 6 at feed opening 6a can fall to feeding and lead to In groove 621, rollback draw back plate 62, draw back plate 62, which is moved rearwards, extracts the axle in feeding groove 621 out, now draw back plate 62 Upper face alignd with feed opening 6a, avoid axle from dropping out hopper 6, when draw back plate 62 is moved to ejection block 65 and feeding groove 621 Stop movement during alignment, now feeding groove 621 is alignd with charging reversing sleeve 12, and ejection block 65 is slided and promoted positioned at feeding Axle movement in groove 621 and so on realizes axle to charging reversing sleeve 12 until in axle insertion charging reversing sleeve 12 Automatic charging；Realization is moved back and forth by the draw back plate 62 with feeding groove 621 and can guarantee that an only piece axle of extraction every time, is led to Ejection block 65 is crossed to be pushed into axle to feed reversing sleeve 12, continuous continual feeding that is simple in construction and can guarantee that axle.

Pusher support 63 includes portal frame and the slide rail 1 being fixed on portal frame, slide rail 1 and feeding groove 621 is parallel, blanking sliding block 64 is slidably connected on slide rail 1, portal frame, which is provided with, can promote blanking sliding block 64 to slidably reciprocate Driving source, ejection block 65 fixes with blanking sliding block 64.Driving source can be motor or cylinder, and slide rail 1 slidably reciprocates Drive ejection block 65 to move back and forth, when being moved after draw back plate 62, there is an axle in feeding groove 621, now ejection block 65 In one end of feeding groove 621, ejection block 65 moves to the other end of feeding groove 621, and ejection block 65 can be with the process One end of axle against and push away this axle movement, most at last axle be pushed into feed reversing sleeve 12 in.

Fixed sheet metal component 641 is fixed with blanking sliding block 64, the lower end of fixed sheet metal component 641 has fixed part 642, liftout Block 65 is cylindrical, and one end of ejection block 65 is provided with positioning step, and fixed part 642 is embedded in the positioning step of ejection block 65 and passed through Bolt is fixed with ejection block 65, and the other end of ejection block 65 is liftout end face.Ejection block 65 is made of brass or plastics.It is yellow The hardness of copper and plastics is relatively low, avoids damaging axle in liftout；Brass is not easy to wear, and service life is higher, is preferred Scheme.

Hopper 6 includes two blocks of side plates 61 be arrangeding in parallel, the rear baffle 611 and swash plate being fixed between two blocks of side plates 61 612, lower end and the workbench 1 of two blocks of side plates 61 are fixed, and rear baffle 611 is vertically arranged, lower end and the workbench 1 of rear baffle 611 Between there is gap, swash plate 612 tilts along the vertical direction, has gap and swash plate between the lower end of swash plate 612 and workbench 1 612 lower end forms above-mentioned feed opening 6a with the lower end of rear baffle 611.Protective plate is respectively and fixedly provided with the medial surface of two blocks of side plates 61 613, protective plate 613 is adopted made of plastic.

The size of feed opening 6a width is at least one times of the size of the width of feeding groove 621.Avoid between axle and axle The stuck situation between feed opening 6a, ensure necessarily there is an axle to enter feeding when feed opening 6a aligns with feeding groove 621 In groove 621.The size of spacing is respectively less than the width of feeding groove 621 between the upper surface of draw back plate 62 and baffle plate and swash plate 612 Size.It is avoided that axle enters the space between draw back plate 62 and baffle plate and swash plate 612 when draw back plate 62 moves forward and backward, and ensures Each draw back plate 62 can only extract an axle out.Guiding is provided with draw back plate 62 positioned at the upper edge of the both sides of feeding groove 621 to fall Angle 622.Two one slide rails 2 66 are fixed with workbench 1 along the longitudinal direction, draw back plate 62 is slidably connected on slide rail 2 66, work The fixed feeding pusher cylinder 67 movable with draw back plate 62 can be promoted on platform 1.

As shown in Fig. 2 automatic discharge apparatus includes the jig arm 75 being fixed on workbench 1, discharging is fixed with workbench 1 Support 71, horizontally disposed discharge guide 72 is fixed with discharging support 71, magazine 7 is located at the underface of discharge guide 72 and gone out The both ends of material guide rail 72 are respectively positioned on outside magazine 7, and slide 73 is slidably connected on discharge guide 72, is vertically fixed out on slide 73 Expect lift cylinder 74, the expansion link of discharging lift cylinder 74 is set down, and jig arm 75 is fixed on the flexible of discharging lift cylinder 74 On bar.Repacking measurement equipment has discharging reversing sleeve 121, and the axle for detecting completion is turned to horizontal position by discharging reversing sleeve 121 Put, now by jig arm 75 by axis clamping, discharging reversing sleeve 121, which retreats, causes axle to be exited out of discharging reversing sleeve 121, then The jig arm 75 for accompanying axle is moved to by the top of magazine 7 by slide 73, and declined by the jig arm 75 of lift cylinder 74 that discharges Axle is placed into magazine 7, how back and forth to realize self-emptying.

During detection, some axles to be detected are placed in hopper 6, are extracted axle out out of hopper 6 one by one by draw back plate 62, The axle of extraction is pushed to feed reversing sleeve 12 by ejection block 65, now feeds the feeding groove of reversing sleeve 12 and draw back plate 62 621 alignment, therefore axle can be inserted into charging reversing sleeve 12, charging reversing sleeve 12 turns to vertical position by motor, Axle is positioned essentially vertically in relation to one another, and test desk 11 is traversing to the side of magazine 7 by traversing pusher cylinder 112, is vertically arranged in charging reversing cover Cylinder 12 on axle be moved to close to hopper 6 clamping jaw 24 underface, the clamp shaft of clamping jaw 24 and by axle from charging reversing sleeve 12 Interior extraction, test desk 11 are moved back to initial position, are now placed in the axle position on the clamping jaw 24 of hopper 6 in close to hopper 6 The surface of detection pedestal 5, clamping jaw 24 plus axle are inserted in the detection pedestal 5, and at the same time, crane 41 stretches plug jet 42 Enter and detected in the endoporus of axle, completion rear clip-claw 24 to be detected extracts axle out from the detection pedestal 5, and passes through test desk 11 Move back and forth to insert a shaft into second detection pedestal 5 and pneumatically detected, after the completion for the treatment of that hole size detects twice, lead to The cooperation for crossing clamping jaw 24 and test desk 11 inserts a shaft into the 3rd detection pedestal 5, passes through upper range sensor 3 and lower Distance-sensing Device 31 detects to the length of axle, in above-mentioned detection process axis as detection pedestal 5 rotates, passes through folder after the completion of to be detected Axle is plugged in discharging reversing sleeve 121 by the cooperation of pawl 24 and test desk 11, and discharging reversing sleeve 121, which rotates, causes axle water It is flat, then by the clamp shaft of jig arm 75, extracted out by the rollback axle of test desk 11 out of discharging reversing sleeve 121, jig arm 75 Axle is put into magazine 7 again to reclaim, completes the detection of axle；Above-mentioned detection process is carried out using pipeline system, therefore is being examined every time Axle is equipped with during survey in three detection pedestals 5, therefore detection efficiency is high.

Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.

Claims (7)

1. a kind of length of axle and the detection device of hole size, including workbench, it is characterised in that the middle part of the workbench Provided with the test desk that can be horizontally slipped along workbench, the test desk is provided with three detection pedestals being arranged side by side, the inspection The shaft core being rotatably connected to for locating shaft is surveyed in pedestal, and the shaft core is vertically arranged, the shaft core energy of three detection pedestals By rotational structure synchronous axial system, rotated respectively provided with charging reversing cover positioned at the both ends of three detection pedestals on the test desk Cylinder and discharging reversing sleeve, the charging reversing sleeve and discharging reversing sleeve can turn to horizontality or vertical state, The workbench be provided with axle can be passed sequentially through three detection pedestals from the charging reversing sleeve of vertical state after transfer to The station transfer device of the discharging reversing sleeve of vertical state, is located on the workbench and consolidates close to the side of charging reversing sleeve Surely there is a hopper of storage axle, the workbench is provided with can be automatic by the axle in hopper and be plugged to the charging of horizontality successively The automatic charging device of reversing sleeve, it is located on the workbench and is provided with magazine, the work close to the side of discharging reversing sleeve Make to be located on platform and be provided with and the axle in the discharging reversing sleeve for being plugged on horizontality can be moved close to the side of discharging reversing sleeve The automatic discharge apparatus being sent in magazine, it is additionally provided with the workbench corresponding with one of detection pedestal and can detects positioning The device for detecting length of shaft length in the detection pedestal, be additionally provided with the workbench it is corresponding with two other detection pedestal and The inner hole detecting device for being positioned at axle hole size in two detection pedestals can be detected.

2. the length of axle according to claim 1 and the detection device of hole size, it is characterised in that the length detection Device includes upper range sensor and lower range sensor, and the lower range sensor is fixed on test desk and corresponding detection base The shaft core of seat is located at the surface of lower range sensor, and the upper range sensor is fixed on the table and corresponds to detection pedestal Shaft core can be moved to the underface of range sensor.

3. the length of axle according to claim 1 and the detection device of hole size, it is characterised in that the endoporus detection Device includes detection air pump and airtight measuring instrument, the workbench are provided with crane, and two are fixed with the crane and is erected Two plug jets and crane directly set up can drive two plug jets to move up and down, two plug jet energy Connected respectively positioned at the underface of two shaft cores of corresponding two detection pedestals, the detection air pump with airtight measuring instrument by tracheae Connect, the airtight measuring instrument is connected with two plug jets respectively by tracheae.

4. the length of axle according to claim 1 and the detection device of hole size, it is characterised in that the rotational structure Including motor and belt, the detection pedestal includes the bearing block fixed with test desk and is rotatably connected in bearing block Upper bearing (metal) and lower bearing, the shaft core grafting is positioned at the inner ring of upper bearing (metal), belt is plugged with the inner ring of the lower bearing Wheel shaft, there is resigning gap one between the shaft core and Pulley shaft, the Pulley shaft is positioned in the circumferential with shaft core and skin The relative shaft core of belt shaft energy is axially moveable, and the lower end of the Pulley shaft passes bearing block and is fixedly connected with follower belt Wheel, the lower surface of the driven pulley and bearing block have resigning gap two, and the motor is fixed on test desk, institute State and drive pulley is fixed with the rotating shaft of motor, pass through tensioning between the drive pulley and three driven pulleies Belt connection.

5. the length of axle according to claim 1 and the detection device of hole size, it is characterised in that the station transfer Device includes mounting bracket, lift cylinder, flat-removing air cyclinder and clamping jaw, and the mounting bracket is fixed on the table, the lifting Cylinder is fixed in mounting bracket straight down, and the flat-removing air cyclinder is fixed on the expansion link of lift cylinder, the translation gas The expansion link of cylinder is vertical with slide rail, and the clamping jaw corresponds with detection pedestal, is fixed with the expansion link of the flat-removing air cyclinder Installing plate, the clamping jaw are fixed on a mounting board and above detection pedestal side by side.

6. the length of axle according to claim 1 and the detection device of hole size, it is characterised in that the automatic charging Device includes draw back plate, has elongated feed opening directed downwardly on the hopper, the draw back plate is located at workbench and material Between bucket and draw back plate can move back and forth along the longitudinal direction, and the feeding for being only capable of accommodating an axle is provided with the middle part of the draw back plate and is led to Groove, the upper notch of the feeding groove can be alignd with feed opening, and pusher support, the pusher branch are further fixed on the workbench Frame is located at the rear portion of hopper, and the pusher support is provided with and can slide and the top to the other end can be slided from one end of feeding groove Expect block, the other end of the feeding groove can align with the charging reversing sleeve of horizontality.

7. the length of axle according to claim 1 and the detection device of hole size, it is characterised in that the self-emptying Device includes fixed jig arm on the table, is fixed with discharging support on the workbench, is fixed with the discharging support Horizontally disposed discharge guide, the magazine is located at the underface of discharge guide and the both ends of discharge guide are respectively positioned on outside magazine, Slide is slidably connected on the discharge guide, discharging lift cylinder, the discharging lifting air are vertically fixed on the slide The expansion link of cylinder is set down, and the jig arm is fixed on the expansion link of discharging lift cylinder.