CN114152192B - Online detection machine, production line and method for planet wheel carrier planet gear shaft mounting holes - Google Patents
Online detection machine, production line and method for planet wheel carrier planet gear shaft mounting holes Download PDFInfo
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- CN114152192B CN114152192B CN202111494959.1A CN202111494959A CN114152192B CN 114152192 B CN114152192 B CN 114152192B CN 202111494959 A CN202111494959 A CN 202111494959A CN 114152192 B CN114152192 B CN 114152192B
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- 238000001514 detection method Methods 0.000 title claims abstract description 81
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 238000013519 translation Methods 0.000 description 5
- 238000013500 data storage Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
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- 229910000838 Al alloy Inorganic materials 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
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Abstract
The invention discloses an online detection machine, a production line and a method for a planet wheel carrier and planet gear shaft mounting hole, which solve the problems of time and labor waste and lower detection accuracy in manual detection in the prior art and have the beneficial effects of improving the detection efficiency of a planet wheel carrier and ensuring the detection quality, and the specific scheme is as follows: the on-line detector for the planet gear shaft mounting holes of the planet gear carrier comprises a main body frame, wherein the main body frame supports a detection unit, the detection unit comprises an aperture measuring component fixed on the main body frame for measuring the aperture of the planet gear shaft mounting holes of the planet gear carrier, and the detection unit further comprises a lifting tray positioned on the circumferential direction of the aperture measuring component, and the lifting tray can lift to drive the planet gear carrier supported by the lifting tray to lift so as to facilitate the feeding or discharging of the planet gear carrier.
Description
Technical Field
The invention relates to the field of planetary carriers, in particular to an online detection machine, a production line and a method for a planetary gear shaft mounting hole of a planetary carrier.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The planet carrier is one of the main components of the planetary gear transmission, is an important part of the planetary gear transmission, and relates to the quality and service life of the whole transmission mechanism. After the planet carrier is processed, all the planet carrier and planet shaft mounting holes are required to be detected.
The inventor finds that the existing detection mode is manual detection, the manual detection is time-consuming and labor-consuming, and the efficiency is extremely low; and errors are easy to occur, so that the detection accuracy is lower; only one hole can be measured manually at a time, and the requirement of mass production of the planet carrier cannot be met.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the online detection machine for the planet gear shaft mounting holes of the planet gear carrier, which can realize the automatic online detection of the planet gear shaft mounting holes of the planet gear carrier, and has the advantages of high detection speed and high precision.
In order to achieve the above object, the present invention is realized by the following technical scheme:
the on-line detector for the planet gear shaft mounting holes of the planet gear carrier comprises a main body frame, wherein the main body frame supports a detection unit, the detection unit comprises an aperture measuring component fixed on the main body frame for measuring the aperture of the planet gear shaft mounting holes of the planet gear carrier, and the detection unit further comprises a lifting tray positioned on the circumferential direction of the aperture measuring component, and the lifting tray can lift to drive the planet gear carrier supported by the lifting tray to lift so as to facilitate the feeding or discharging of the planet gear carrier.
According to the detecting machine, the detecting unit supports the planet carrier through the lifting tray, the lifting tray is lifted when the planet carrier is used for feeding and discharging, the lifting tray is lowered to a proper position when the planet carrier is detected, the detecting unit can measure the aperture of the planet carrier planet shaft mounting hole, the detecting speed is high, and the probability of error is reduced.
The online detector for the planet gear shaft mounting holes of the planet gear carrier comprises the detection unit, and the online detector further comprises a ranging sensor mounted on the main body frame, wherein the ranging sensor is used for determining measuring positions of a plurality of sections of the planet gear shaft mounting holes of the planet gear carrier so as to control the opening of the aperture measuring component.
The on-line detector for the planet gear shaft mounting holes of the planet gear carrier comprises two distance measuring sensors, wherein the distance measuring sensors are arranged at intervals, and the height settings of the two distance measuring sensors are different, so that the measuring positions of the upper section and the lower section of the planet gear shaft mounting holes of the planet gear carrier are respectively determined.
According to the on-line detector for the planet gear shaft mounting holes of the planet gear carrier, the aperture measuring component is the plurality of pneumatic plug gauges, the pneumatic plug gauges are arranged on the positioning seat in a floating mode, the positions can be automatically adjusted within a set range, and clamping stagnation caused by hole pitch deviation can be eliminated; the positioning seat is fixed on the main body frame; through the setting of a plurality of pneumatic plug gauges, can detect a plurality of mounting holes simultaneously, measurement efficiency improves greatly.
The on-line detector for the planet gear shaft mounting holes of the planet carrier comprises the supporting frame, the supporting frame supports the workbench, the lifting tray is located above the workbench and connected with the lifting component located below the workbench, the lifting component is located below the workbench, space of the main body frame is fully utilized, and the lifting component drives the workbench to lift.
The online detector for the planet carrier and the planet shaft mounting hole further comprises a calibration unit supported by the main body frame, wherein the calibration unit is used for supporting the standard planet carrier, the standard planet carrier placed by the calibration unit is moved to the detection unit, the detection unit detects the standard planet carrier and compares the result with standard data, and the detection precision of the detection unit can be ensured;
the calibration unit comprises a standard planet carrier positioning seat arranged on the main body frame, the standard planet carrier positioning seat can support a standard planet carrier, the standard planet carrier positioning seat is provided with a positioning column, the positioning column is arranged on the standard planet carrier positioning seat in a floating mode, the position can be automatically adjusted within a set range, and clamping stagnation caused by hole distance deviation can be eliminated.
In order to further realize loading and unloading automation, the online detector for the planet carrier planet gear shaft mounting holes further comprises a loading and unloading unit for loading or unloading the detection unit, and the loading and unloading unit can also move the standard planet carrier placed at the calibration unit to the detection unit and send the standard planet carrier back to the calibration unit after detection;
the feeding and discharging unit adopts a multi-degree-of-freedom robot, and the multi-degree-of-freedom robot comprises a planet carrier paw connected with a driving part;
the planetary carrier paw comprises two mechanical fingers which are oppositely arranged, and the inner side surfaces of the mechanical fingers are provided with convex parts; one end of the inner side surface of the mechanical finger is fixed with a wear-resisting plate, the wear-resisting plate can protect a workpiece, the clamping stability of feeding and discharging of the planetary carrier is guaranteed, and accurate positioning of the planetary carrier is further facilitated.
The on-line detector for the planet gear shaft mounting holes of the planet gear carrier further comprises an industrial control unit, wherein the industrial control unit is supported by the main body frame and is respectively connected with the aperture measuring component, the lifting tray and the ranging sensor.
In a second aspect, the invention also provides a planet carrier production line, which comprises a processing machine tool and the planet carrier planet gear shaft mounting hole on-line detector, wherein the processing machine tool is electrically connected with the planet carrier planet gear shaft mounting hole on-line detector.
In a third aspect, the present invention also provides a working method of an online detection machine for a planet gear shaft mounting hole of a planet gear carrier, including the following contents:
conveying the planet carrier to a detector, placing the planet carrier on a lifting tray, and positioning the lifting tray at a first position at the moment;
the lifting tray moves to a second position, and the aperture measuring component measures the aperture of the first section of the planet gear mounting hole of the planet carrier, wherein the second position is lower than the first position;
the lifting tray continuously descends to reach a third position, and the aperture of the second section is measured;
after the measurement is completed, the lifting tray is lifted to a first position, and material taking is performed.
The beneficial effects of the invention are as follows:
1) According to the invention, the planetary carrier is supported by the detection unit through the lifting tray, the lifting tray is lifted when the planetary carrier is loaded and unloaded, and the lifting tray is lowered to a proper position during detection, so that the detection unit can measure the aperture of the planetary gear shaft mounting hole of the planetary carrier, the detection speed is high, and the probability of error is reduced.
2) According to the invention, through the arrangement of the distance measuring sensors, the distance measuring sensors are used for determining the measuring positions of a plurality of sections of the planet gear shaft mounting holes of the planet gear carrier, and particularly, the number of the distance measuring sensors can be two, so that the opening of the aperture measuring component can be controlled at different sections, and the whole detector is high in detection precision, high in speed and high in efficiency.
3) According to the invention, through the arrangement of the plurality of pneumatic plug gauges of the detection mechanism, a plurality of mounting holes can be measured at one time, so that the efficiency is greatly improved, and the requirement of mass production of the planet carrier is met; meanwhile, the measurement process is not manually participated, and the probability of false measurement is small.
4) According to the invention, through the arrangement of the calibration unit, the detection accuracy of the detector can be corrected within a preset time according to different detection environments, and the accuracy of detection data is always ensured.
5) According to the invention, through the arrangement of the feeding and discharging units, automatic feeding or discharging can be realized, and the degree of automation is further improved.
6) The invention integrates the detection machine into the production line, uses the same set of loading and unloading units with the machine tool processing, detects by using the spare waiting time of the machine tool processing beat, directly classifies and loads the materials according to the detection result after the detection, greatly saves time, improves efficiency and has remarkable economic benefit.
7) The invention has the advantages that the detection data is convenient to store by the arrangement of the industrial control unit, and the detection data of each planet carrier can be stored for a long time by utilizing the data storage function of the industrial control computer, so that the detection data can be checked.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
Fig. 1 is a schematic view of an on-line inspection machine for planet wheel carrier and planet wheel shaft mounting holes according to one or more embodiments of the present invention including a loading and unloading unit.
Fig. 2 is a schematic diagram of an upper blanking unit in a planetary gear shaft mounting hole on-line inspection machine of a planetary carrier according to one or more embodiments of the present invention.
FIG. 3 is a schematic illustration of a portion of the structure of a planet carrier and planet axle mounting hole in an in-line inspection machine in accordance with one or more embodiments of the present invention.
Fig. 4 is a cross-sectional view of a body frame mounting detection unit and a calibration unit in an in-line detection machine for a planet carrier and planet shaft mounting hole according to one or more embodiments of the present invention.
Fig. 5 is a schematic view of a detection unit, a calibration unit and an industrial control unit mounted to a main body frame in an in-line detection machine for a planetary gear shaft mounting hole of a planetary carrier according to one or more embodiments of the present invention.
Fig. 6 is a schematic diagram II of a detection unit, a calibration unit and an industrial control unit mounted on a main body frame in an on-line detection machine for a planet gear shaft mounting hole of a planet gear carrier according to one or more embodiments of the present invention.
Fig. 7 is a schematic view of a detection unit, a calibration unit, and an industrial control unit mounted to a main body frame in an in-line detection machine for a planetary gear shaft mounting hole of a planetary carrier according to one or more embodiments of the present invention.
FIG. 8 is a schematic diagram of the workflow of an industrial control unit in an on-line inspection machine for planet carrier and planet axle mounting holes in accordance with one or more embodiments of the present invention.
In the figure: the mutual spacing or dimensions are exaggerated for the purpose of showing the positions of the various parts, and the schematic illustration is only schematic.
Wherein: the device comprises a 1-feeding and discharging unit, a 2-main body frame, a 3-detecting unit, a 4-calibrating unit and a 5-industrial control unit;
1.1-six-axis joint robot, 1.2-flange, 1.3-translation cylinder, 1.4-planet carrier paw and 1.5-wear-resistant piece;
2.1-supporting frames, 2.2-working tables and 2.3-adjustable feet;
3.1-positioning seats, 3.2-pneumatic plug gauges, 3.3-lifting cylinders, 3.4-lifting supporting plates, 3.5-guide columns, 3.6-lifting trays and 3.7-laser ranging sensors;
4.1-guide posts and 4.2-standard planet carrier positioning seats;
the system comprises a 5.1-control box, a 5.2-industrial personal computer, a 5.3-display screen, a 5.4-warning signal lamp, a 5.2.1-parameter setting module, a 5.2.2-data processing module, a 5.2.3-data storage module, a 5.2.4-data output module and a 5.2.5-data display module.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular forms also are intended to include the plural forms unless the present invention clearly dictates otherwise, and furthermore, it should be understood that when the terms "comprise" and/or "include" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
as introduced by the background art, the problem of time and labor waste exists in the prior art of manually detecting the planet gear shaft mounting hole of the planet gear carrier.
Example 1
In a typical embodiment of the present invention, referring to fig. 1, the on-line detector for the planet gear shaft mounting holes of the planet gear carrier comprises a main body frame 2, a detecting unit 3 for measuring the aperture of the planet gear shaft of the planet gear carrier and a calibrating unit 4 for correcting the precision of the detecting unit, wherein the detecting unit and the calibrating unit are both arranged on the main body frame 2, and the calibrating unit 4 is positioned on one side of the detecting unit 3.
The main body frame 2 has a set length, width and height, and the main body frame 2 can form a hollowed rectangular body; referring to fig. 3, the main body frame 2 includes a support frame 2.1, and the support frame includes a plurality of support columns, and the concrete material of support column can be the aluminium alloy, and fixed mounting workstation 2.2 on the support frame 2.1, adjustable lower margin 2.3 are all installed to four support column bottoms of support frame 2.1, and adjustable lower margin can adjust the workstation level, guarantees measurement accuracy.
Wherein, adjustable lower margin is current adjustable lower margin.
Further, the detecting unit 3 comprises a positioning seat 3.1 arranged on the workbench 2.2, and an aperture measuring component for measuring the aperture of the planet gear shaft mounting hole of the planet gear carrier is arranged on the positioning seat 3.1; in the embodiment, the aperture measuring component selects 3.2 pneumatic plug gauges, 4 pneumatic plug gauges are arranged in total, and the arrangement positions of the pneumatic plug gauges correspond to the positions of the planet gear shaft mounting holes of the planet carrier so as to measure a plurality of planet gear shaft mounting holes at the same time, so that the detection efficiency is improved; the pneumatic plug gauge 3.2 is arranged on the positioning seat 3.1 in a floating mode, the position can be automatically adjusted within a set range, and clamping stagnation caused by pitch deviation can be eliminated.
It should be explained that, the positioning seat is provided with a first opening, and the floating installation of the pneumatic plug gauge 3.2 means that the pneumatic plug gauge 3.2 is installed in the first opening, which is limited relative to the vertical direction of the first opening and is movable relative to the horizontal direction of the first opening.
Further, the head part (one end far away from the positioning seat) of the pneumatic plug gauge 3.2 is a guide conical surface, has a guide function, ensures that the pneumatic plug gauge is automatically and smoothly aligned so as to conveniently enter the planetary gear shaft mounting hole of the planet carrier, and is provided with an air hole in the middle part and communicated with the air pipe and the air cylinder.
The detecting unit 3 further comprises a lifting tray 3.6, the lifting tray is used for supporting the planet carrier, and the lifting tray 3.6 is connected with the lifting component to drive the lifting tray to move up and down, so that the robot can feed or discharge conveniently.
The lifting part comprises a lifting cylinder 3.3, the lifting cylinder 3.3 is arranged below the workbench 2.2, a piston rod of the lifting cylinder is far away from the workbench, a lifting supporting plate 3.4 is arranged on the head of a piston rod of the lifting cylinder 3.3, a plurality of guide posts are arranged on the lifting supporting plate 3.4, and can be specifically 4 guide posts 3.5, the guide posts 3.5 penetrate through guide holes in the workbench 2.2, and a lifting tray 3.6 is arranged at the top end of the guide post 3.5.
It will be readily appreciated that the lifting cylinder could be replaced by other linear drive mechanisms.
Further, the lifting tray 3.6 is positioned above the workbench 2.2, an opening is formed in the middle of the lifting tray so that the pneumatic plug gauge can pass through the opening, a positioning spigot is arranged on the outer ring of the lifting tray, the positioning spigot is an annular ring, and the positioning spigot is matched with the outer ring of the planet carrier, so that the position of the planet carrier during measurement is accurate;
the detection unit 3 further comprises a ranging sensor arranged on the workbench 2.2, wherein the ranging sensor is used for determining the measuring positions of the upper section and the lower section of the planet gear shaft mounting hole of the planet gear carrier so as to control the opening of the pneumatic plug gauge; in this embodiment, the distance measuring sensors include two, the pulse signals emitted by the distance measuring sensors intersect with the planet carrier, specifically, two laser distance measuring sensors 3.7, and the pulse emission heights of the two laser distance measuring sensors 3.7 are respectively consistent with the upper and lower section heights of the planet carrier planet gear shaft mounting hole placed on the lifting tray (the lifting tray at the lower position), so that the pulse emission height of one laser distance measuring sensor is lower than that of the other laser distance measuring sensor.
It should be noted that the upper and lower cross sections of the planet-gear shaft mounting hole of the planet-gear carrier are defined by the upper and lower surfaces of the planet-gear carrier.
It will be appreciated that two laser ranging sensors may be located on either side of the lifting tray, one at one corner of the table and the other near the control box.
In addition, the ranging sensor, the lifting cylinder and the pneumatic plug gauge are respectively connected with the industrial control unit, and after the industrial control unit receives the measuring positions of the upper section and the lower section of the planet gear shaft mounting hole of the planet carrier detected by the ranging sensor, signals are sent to the control unit, the control unit controls the lifting part to stop acting, and then the pneumatic plug gauge is controlled to start working.
The calibration unit 4 comprises a standard planet carrier positioning seat 4.2 arranged on the workbench 2.2, the standard planet carrier positioning seat can support a standard planet carrier, a positioning column 4.1 is arranged on the standard planet carrier positioning seat 4.2, the positioning column 4.1 is floatingly arranged on the standard planet carrier positioning seat 4.2, the position can be automatically adjusted within a set range, the clamping stagnation caused by the deviation of the hole spacing can be eliminated, the head of the positioning column 4.1 is a guide conical surface, the guide function is realized, and the automatic alignment of the positioning column is ensured to smoothly enter a measured hole of the planet carrier.
The method is characterized in that the existence of the guide conical surface ensures that the diameters of the top parts of the pneumatic plug gauge and the positioning column are far smaller than the measured hole of the planet carrier, and the head part of the conical surface can enter the measured hole if the position deviation of the planet carrier is not too large, and the floating property of the pneumatic plug gauge and the positioning column is assumed to be slightly deviated, so that the planet carrier can move along the measured hole in the horizontal direction in the descending process of the conical surface, and finally moves to the center of the hole, thereby smoothly entering.
In this embodiment, the number of positioning columns is 4, and the distance between the 4 positioning columns is the same as the distance between the pneumatic plug gauges 3.2.
The calibration action is performed by the feeding and discharging unit: the loading and unloading unit grabs and places the standard planet carrier on the lifting tray of the detection mechanism, the detection mechanism measures the aperture of the standard planet carrier gear shaft mounting hole, the standard numerical value is read, the deviation of the detection unit can be known through comparison with the standard value in the industrial control unit, then the detection unit is calibrated, after the calibration is completed, the robot places the planet carrier on the standard planet carrier positioning table, and the detection precision of the detection unit can be ensured due to the existence of the calibration unit.
It should be noted that, the standard planet carrier positioning seat is provided with the second opening, and the floating installation of the positioning column means that the positioning column is installed in the second opening, which is limited relative to the vertical direction of the second opening and is movable relative to the horizontal direction of the second opening.
Further, the detecting machine also comprises a loading and unloading unit for loading or unloading the detecting unit, and the conveying of the standard planet carrier between the detecting unit and the calibrating unit can be realized; in this embodiment, the feeding and discharging unit adopts a robot with multiple degrees of freedom, and specifically may be a six-axis joint robot, where the six-axis joint robot and the robot in the calibration unit may be the same robot or different robots.
Referring to fig. 2, a six-axis joint robot is in the prior art, the six-axis joint robot is provided with a sixth axis 1.1.1, a flange plate 1.2 is installed on the sixth axis 1.1.1, a driving part is fixedly connected to the flange plate 1.2, the driving part is specifically a translation cylinder 1.3, a planet carrier paw 1.4 is installed on the translation cylinder 1.3, the planet carrier paw comprises two mechanical fingers, the two mechanical fingers are oppositely arranged, and the two mechanical fingers are driven by the translation cylinder to realize opening or closing;
wherein, the inner side surface of the mechanical finger (the side surface close to the other mechanical finger) is provided with a convex part, so that the planet carrier paw can stably grasp the planet carrier.
One end (far away from one end connected with a translation cylinder) of the inner side surface of the mechanical finger of the planetary carrier paw 1.4 is fixed with a wear-resisting plate 1.5, the wear-resisting plate can protect a workpiece, the clamping stability of feeding and discharging of the planetary carrier on a detector is ensured, and the accurate positioning of the planetary carrier is put.
It will be readily appreciated that the wear pad may be a rubber pad or other material.
The multi-degree-of-freedom robot is provided with a control part, and meanwhile, the control part or the industrial control unit receives information transmitted by a controller of the processing machine tool, and the control part is specifically a PLC controller, and can be other types of controllers;
the control part of the multi-degree-of-freedom robot is connected with an industrial control unit, the industrial control unit is a control center of a detection machine, the industrial control unit is an existing industrial control machine, the industrial control unit is provided with a display screen connected with the industrial control machine, an industrial control machine 5.2 is arranged in a control box 5.1, the control box is supported by a workbench, a display screen 5.3 is arranged on the side face of the control box and faces the detection unit and a calibration unit, the display screen is higher than the detection unit, and the display screen is a touch display screen;
the industrial personal computer includes: the system comprises a parameter setting module 5.2.1, a data processing module 5.2.2, a data storage module 5.2.3, a data output module 5.2.4 and a data display module 5.2.5, wherein all the modules are in the prior art.
The top of the control box 5.1 is provided with a warning signal lamp 5.4, the warning signal lamp is connected with the industrial personal computer, after the pneumatic plug gauge acts and is measured, the measured result is processed by the data processing module and is compared with standard data set by the parameter setting module, the data display module displays qualified data in green numbers and unqualified numbers in red numbers on a display screen, if unqualified data appear, a warning signal of the display screen flashes, and meanwhile, an alarm sound is sent out through the warning signal lamp; the data storage module stores data on the hard disk of the industrial personal computer, and the data output module can communicate with other external equipment to conduct the data to any needed relevant equipment.
The standard data are: the standard data acquired by the measuring system of the calibration unit are connected with the industrial control unit so as to input the data into the parameter setting module; the calibration unit may start a calibration operation before the detection unit starts operation.
When the machining of the planetary gear shaft mounting holes of the planetary gear carrier on the machining machine tool is finished, the machining machine tool sends a signal to a control part or an industrial control unit, the multi-degree-of-freedom robot grabs the planetary gear carrier from the machining machine tool and conveys the planetary gear carrier to the detector, the planetary gear carrier is placed on a lifting tray of the detector according to the clamping direction of the planetary gear carrier on the machining machine tool, and the lifting tray is at a first position at the moment;
after the robot is placed on the planet carrier, a signal is sent to the industrial control unit;
the industrial control unit sends a signal to the lifting component, the lifting tray falls under the action of the self weight and the lifting cylinder, when the laser ranging sensor emits pulse to detect the measuring positions of the upper hole section and the lower hole section of the planet carrier, the industrial control unit sends the signal to the industrial control unit, and controls the lifting component to stop moving, and at the moment, the lifting tray is at a second position which is lower than the first position; continuing to descend to a third position, and measuring the aperture of the next section.
The method comprises the steps that a pneumatic plug gauge is used for measuring, after measurement is completed, a lifting tray is lifted, a multi-degree-of-freedom robot sends a planet carrier to a material taking position, and data are processed and displayed on a display screen;
after the detection is finished, a signal is sent to the six-axis joint robot, and qualified products are placed on the qualified product conveyor according to the measurement result, so that the qualified products can be directly put in storage, unqualified products are placed on the unqualified product conveyor, and workers carry away for additional treatment. Measurement parameters can be preset through the parameter setting module, adjustment of measurement precision, measurement times and the like can be achieved, the precision of the detection unit is corrected through the calibration unit by using the standard planet carrier according to the calibration time preset by the parameter setting module, and accordingly the continuous stability and accuracy of the planet carrier measurement result are guaranteed.
Example two
The embodiment discloses a planet carrier production line, which comprises a processing machine tool and the planet carrier planet gear shaft mounting hole on-line detection machine, wherein the processing machine tool is electrically connected with the planet carrier planet gear shaft mounting hole on-line detection machine (detection machine) in the first embodiment, and is used for processing a planet carrier.
It should be explained that the machine tool and the detector realize electrical communication, which means that the control center of the machine tool is electrically connected with the industrial control unit or the feeding and discharging unit to realize communication.
The online detection can be carried out on all the planet carriers needing to be detected through the detection machine integrated with the planet carrier production line, the detection machine is matched with the planet carrier processing line to be used, the detection machine is arranged in the planet carrier automatic processing line, the feeding and discharging are all carried out by adopting robots, and the integral beat is synchronous with the production line; the size of the planet gear shaft mounting hole of the planet gear carrier can be fully detected, meanwhile, the machining efficiency is greatly improved, after the measurement is completed, a display screen displays the measurement result, whether a workpiece is qualified or not is automatically judged, if the workpiece is unqualified, an alarm is sent, an OK/NG signal is given according to the detection result, and corresponding I/O output is achieved.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The on-line detecting machine for the planet wheel carrier and planet gear shaft mounting holes is characterized by comprising a main body frame, wherein the main body frame supports a detecting unit, the detecting unit comprises an aperture measuring component fixed on the main body frame for measuring the aperture of the planet wheel carrier and planet gear shaft mounting holes, and the detecting unit further comprises a lifting tray positioned in the circumferential direction of the aperture measuring component, and the lifting tray can lift to drive a planet wheel carrier supported by the lifting tray to lift so as to facilitate the feeding or discharging of the planet wheel carrier;
the aperture measuring component is a plurality of pneumatic plug gauges which are arranged on the positioning seat in a floating mode, and the positioning seat is fixed on the main body frame;
the number of the pneumatic plug gauges is 4, and the setting positions of the pneumatic plug gauges correspond to the positions of the planetary gear shaft mounting holes of the planetary gear carrier so as to measure a plurality of planetary gear shaft mounting holes at the same time;
the calibration unit is supported by the main body frame and is used for supporting the standard planet carrier;
the calibration unit comprises a standard planet carrier positioning seat arranged on the main body frame, the standard planet carrier positioning seat can support a standard planet carrier, a positioning column is arranged on the standard planet carrier positioning seat, and the positioning column is arranged on the standard planet carrier positioning seat in a floating mode;
the industrial control unit is supported by the main body frame and is respectively connected with the aperture measuring component, the lifting tray and the ranging sensor; the detection machine measures the aperture of the standard planet carrier gear shaft mounting hole, reads a standard numerical value, can know the deviation of the detection unit by comparing with the standard value in the industrial control unit, then calibrates the detection unit, and the robot returns the standard planet carrier to the standard planet carrier positioning seat after the calibration is completed; the detector is matched with the planetary carrier processing line;
the working method of the planet wheel carrier planet gear shaft mounting hole on-line detector comprises the following steps:
conveying the planet carrier to a detector, placing the planet carrier on a lifting tray, and positioning the lifting tray at a first position at the moment;
the lifting tray moves to a second position, and the aperture measuring component measures the aperture of the first section of the planet gear shaft mounting hole of the planet gear carrier, wherein the second position is lower than the first position;
the lifting tray continuously descends to reach a third position, and the aperture of the second section is measured;
after the measurement is completed, the lifting tray is lifted to a first position, and material taking is performed.
2. The on-line detector for the mounting holes of the planet gear carrier and the planet gear shaft according to claim 1, wherein the detecting unit further comprises a distance measuring sensor mounted on the main body frame, and the distance measuring sensor is used for determining measuring positions of a plurality of sections of the mounting holes of the planet gear carrier and the planet gear shaft so as to control the opening of the aperture measuring component.
3. The on-line detector for the planet-carrier-planet-shaft mounting hole according to claim 2, wherein the distance measuring sensors comprise two distance measuring sensors, the distance measuring sensors are arranged at intervals, and the height settings of the two distance measuring sensors are different, so that the measuring positions of the upper section and the lower section of the planet-carrier-planet-shaft mounting hole can be respectively determined.
4. The on-line inspection machine for the mounting holes of the planet gear shafts of the planet gear carrier according to claim 1, wherein the main body frame comprises a supporting frame, the supporting frame supports the workbench, the lifting tray is located above the workbench, and the lifting tray is connected with the lifting component located below the workbench.
5. The on-line detector for the planet carrier and planet shaft mounting holes of the planet carrier according to claim 1, wherein the detector further comprises an feeding and discharging unit for feeding or discharging the detection unit;
the feeding and discharging unit adopts a multi-degree-of-freedom robot, and the multi-degree-of-freedom robot comprises a planet carrier paw connected with a driving part;
the planetary carrier paw comprises two mechanical fingers which are oppositely arranged, and the inner side surfaces of the mechanical fingers are provided with convex parts; one end of the inner side surface of the mechanical finger is fixed with a wear-resisting sheet.
6. A planetary carrier production line, which is characterized by comprising a processing machine tool and the planetary carrier planetary gear shaft mounting hole online detection machine according to any one of claims 1-5, wherein the processing machine tool is in electrical communication with the planetary carrier planetary gear shaft mounting hole online detection machine.
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| CN202111494959.1A CN114152192B (en) | 2021-12-08 | 2021-12-08 | Online detection machine, production line and method for planet wheel carrier planet gear shaft mounting holes |
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| CN114152192B true CN114152192B (en) | 2024-03-29 |
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