CN113124775B - Automatic detection robot for surface of vehicle half shaft - Google Patents
Automatic detection robot for surface of vehicle half shaft Download PDFInfo
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- CN113124775B CN113124775B CN202110412299.1A CN202110412299A CN113124775B CN 113124775 B CN113124775 B CN 113124775B CN 202110412299 A CN202110412299 A CN 202110412299A CN 113124775 B CN113124775 B CN 113124775B
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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
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/2408—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring roundness
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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
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
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Abstract
The invention provides a vehicle half-axle surface parameter automatic detection robot, comprising: the first bracket and the second bracket are supported above the first bracket; the rotary fixing mechanism is supported on the first support and used for supporting the half shaft to be detected right above the first support and driving the half shaft to be detected to rotate; the detection mechanism is supported on the second support, and the detection end of the detection mechanism faces towards a half shaft to be detected fixed on the rotary fixing mechanism and is used for acquiring the distance between the detection end and the half shaft; and the controller is in signal connection with the detection mechanism and is used for acquiring the distance and judging whether the half shaft is qualified or not according to the distance. The robot can automatically detect the surface parameters of the half shafts and classify according to the detection result.
Description
Technical Field
The invention relates to the field of automobile part detection, in particular to an automatic detection robot for surface parameters of a vehicle half shaft.
Background
The half shaft is a shaft for transmitting torque between a speed reducer of a gearbox and a driving wheel (the prior solid is more, but the rotation unbalance control of the hollow shaft is easier, so that the hollow shaft is adopted on many cars), and the inner end and the outer end of the half shaft are respectively provided with a universal joint which is respectively connected with a gear of the speed reducer and an inner ring of a hub bearing through a spline on the universal joint. The half shafts are used to transmit power between the differential and the drive wheels. The half shaft of the common non-disconnected drive axle can be divided into 3 types of full floating type, 3/4 floating type and half floating type according to the different external end supporting forms.
Because there is the condition emergence of deformation behind the hollow semi-axis atress or the back of colliding with, in the in-process of production and transportation, if lead to the semi-axis to take place to warp, then can have after the part loading in the driving problem such as steering wheel shake, chassis abnormal sound even the bulb of connecting the semi-axis tip damages, consequently, need align surface parameter and detect before the assembly semi-axis.
Disclosure of Invention
In order to solve the technical problem, the automatic detection robot for the surface parameters of the vehicle half shaft is provided and used for achieving automatic detection of the surface parameters of the half shaft.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a vehicle semi-axis surface parameter automatic detection robot comprises:
the first bracket and the second bracket are supported above the first bracket;
the rotary fixing mechanism is supported on the first support and used for supporting the half shaft to be detected right above the first support and driving the half shaft to be detected to rotate;
the detection mechanism is supported on the second support, the detection end of the detection mechanism faces the half shaft to be detected, which is fixed on the rotary fixing mechanism, and the detection mechanism is used for acquiring the distance between the detection end and the half shaft;
the controller is in signal connection with the detection mechanism and is used for acquiring the distance and judging whether the half shaft is qualified or not according to the distance, and the rotary fixing mechanism is characterized by comprising:
the two supporting seats are respectively supported on the first support, the two supporting seats are arranged along a first direction, and the two supporting seats can move on the first support in an opposite direction or in a deviating direction;
the two three-jaw chucks are oppositely arranged and aligned with each other along the first direction, and are used for clamping two ends of the half shaft to be detected;
the first motor is arranged on one of the supporting seats and is in transmission connection with the three-jaw chuck on the supporting seat.
Preferably, every supporting seat supports on the slide, be provided with the slider on the lower surface of slide be provided with the guide rail that extends along the first direction on the first support, the guide rail with slider sliding fit the upper surface of slide and along the both sides of first direction are provided with two spacing angle seats, are provided with two at least guiding axles that extend along the first direction on two spacing angle seats, every the both ends of guiding axle support on two spacing angle seats the lower surface of supporting seat is provided with the baffle, the guiding axle runs through the baffle, the relative guiding axle of baffle is slidable, at every the cover is equipped with the spring on the guiding axle, the one end of spring supports and leans on the baffle, and the other end supports and leans on the spacing angle seat of keeping away from the semi-axis, the spring is in the state of compressed all the time.
Preferably, the motion of deviating from in opposite directions of two supporting seats is driven by actuating mechanism, actuating mechanism includes sun gear and two long racks, sun gear rotatably sets up on first support, and the vertical setting of its rotation axis just is located the plane of symmetry of two supporting seats, two long racks are relative sun gear's axis central symmetry sets up and all with sun gear engagement, two long racks all along the one end that first direction extends and keep away from each other respectively with corresponding slide fixed connection be provided with the second motor on the first support, the second motor with sun gear transmission is connected, the second motor with the controller electricity is connected.
Preferably, the limiting mechanisms are arranged at one ends of the two long racks facing the same direction and used for limiting the moving distance of the long racks, each limiting mechanism comprises a limiting support arranged on the first support and a limiting bolt in threaded connection with the limiting support, and the limiting bolts extend along the first direction and are located on the corresponding moving path of the long racks.
Preferably, a guide angle seat is provided on the first bracket at a position corresponding to each long rack, the guide angle seat is provided at a side opposite to the central gear with respect to the corresponding long rack, and a roller is rotatably provided on the guide angle seat, a rotation axis of the roller is vertically provided and the roller abuts against the long rack, a depressing seat is provided on the first bracket at a position corresponding to each long rack, a depressing plate is provided on each depressing seat, the depressing seat is located at the same side as the corresponding guide angle seat with respect to the corresponding long rack, and the depressing plate is located directly above the corresponding long rack and close to a lower surface of the corresponding long rack.
Preferably, still including supporting on first support and being located two support frames between two support seats, the support frame is the Y type, the opening of Y type up, the plane perpendicular to at every support frame place first direction, and two support frames along first direction is arranged and is aimed at each other on the first direction, works as when the support frame is placed to the semi-axis of waiting to detect, the axis of semi-axis with the rotation axis collineation of three-jaw chuck all is provided with the sliding belt structure on the open-ended both sides support arm of formation of every support frame, the sliding belt structure is including rotatably setting up the live-rollers at the support arm both ends that correspond and the hold-in range that connects two live-rollers transmission, works as when the semi-axis is placed on the support frame, the semi-axis supports the hold-in range, when the semi-axis is rotatory, the hold-in range can be followed the semi-axis is rotatory together.
Preferably, the detection mechanism comprises a distance measuring sensor and a translation assembly which are electrically connected with a controller, the translation assembly is supported on the second support, the output end of the translation assembly can move back and forth along the first direction, the distance measuring sensor is fixed at the output end of the translation assembly, and the detection end of the distance measuring sensor faces the axial direction of the three-jaw chuck and is used for detecting the distance between the detection end and the surface of the half shaft.
Preferably, the translation assembly comprises:
the supporting cross beam is supported on the second bracket;
the second sliding rail is arranged on the supporting beam and extends along the first direction;
the sliding base is slidably arranged on the second sliding rail, and the distance measuring sensor is arranged on the sliding base;
the two support plates are respectively arranged at two ends of the support beam along the first direction;
the two belt pulleys are respectively and rotatably arranged on the corresponding support plates, and the rotating axes of the two belt pulleys are vertically arranged;
the transmission belt is in transmission connection with the two belt pulleys, and the sliding seat is fixedly connected with the transmission belt;
and the third motor is in transmission connection with one of the belt pulleys and is electrically connected with the controller, and the controller can control the distance measuring sensor to move back and forth along the first direction by controlling the rotation of the third motor.
Preferably, the half-axle detecting device further includes two material distributing mechanisms for classifying the half-axles after detection according to whether the detection result is qualified, the two material distributing mechanisms are respectively located on two sides of the first bracket along a second direction, the second direction is a horizontal direction perpendicular to the first direction, and each material distributing mechanism includes:
the two cylinders are provided, and cylinder rods of the two cylinders are arranged upwards;
the transverse connecting rod is horizontally arranged, and two ends of the transverse connecting rod are respectively fixed at the upper ends of the cylinder rods of the two cylinders;
the two strip-shaped plates are arranged along a first direction, the extending direction of each strip-shaped plate is perpendicular to the first direction, one end, close to a half shaft on a supporting frame, of each strip-shaped plate is higher, the other end of each strip-shaped plate is lower, the part, close to the one end, of each strip-shaped plate is located right below the half shaft, when a cylinder rod of the air cylinder retracts, the strip-shaped plates are not in contact with the half shaft on the supporting frame, when the cylinder rod of the air cylinder extends, the strip-shaped plates move upwards for a certain distance and jack up the half shaft, so that the half shaft can move along the strip-shaped plates to achieve discharging, and the two distributing mechanisms can discharge the half shaft to different places to achieve distributing.
The invention also provides a robot for automatically detecting the surface parameters of the vehicle half shaft, which comprises:
the first bracket and the second bracket are supported above the first bracket;
the rotary fixing mechanism is supported on the first support and used for supporting the half shaft to be detected right above the first support and driving the half shaft to be detected to rotate;
the detection mechanism is supported on the second support, and the detection end of the detection mechanism faces towards a half shaft to be detected fixed on the rotary fixing mechanism and is used for acquiring the distance between the detection end and the half shaft;
a controller in signal connection with the detection mechanism for acquiring the distance and determining whether the half shaft is qualified according to the distance,
still including supporting on the first support and being located two support frames between two support seats, the support frame is the Y type, the opening of Y type up, the plane perpendicular to at every support frame place first direction, and two support frames along first direction is arranged and is aligned each other on the first direction, works as when the support frame is placed to the semi-axis of waiting to detect, the axis of semi-axis with the rotation axis collineation of three-jaw chuck all is provided with the sliding belt structure on the open-ended both sides support arm of formation of every support frame, the sliding belt structure is including rotatably setting up the live-rollers at the support arm both ends that correspond and the hold-in range of connecting two live-rollers transmission, works as when the semi-axis is placed on the support frame, the semi-axis supports the hold-in range, when the semi-axis is rotatory, the hold-in range can be followed the semi-axis is rotatory together.
Compared with the prior art, the invention has the following beneficial effects:
the robot can automatically detect the roundness and the coaxiality of the half shaft and can distribute materials according to the detection result; the support frame is adopted, and the slide belt structure is arranged on the support frame, so that a lifting structure is not needed, the half shaft is clamped by the three-jaw chuck to directly rotate, and the detection error caused by lifting can be avoided.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a side view of the present invention.
Fig. 4 is a partial perspective view of the present invention.
Fig. 5 is a perspective view of the rotary jig tool of the present invention.
Fig. 6 is a schematic diagram of the operation of the damper mechanism of the present invention.
Fig. 7 is an enlarged view of a portion a in fig. 5.
Fig. 8 is an enlarged view of fig. 5 at B.
Fig. 9 is a perspective view of the guide angle block of the present invention.
Fig. 10 is a perspective view of the servo support bracket of the present invention.
Fig. 11 is an exploded perspective view of the follower support bracket of the present invention.
Fig. 12 is a perspective view of the electrodeless translation assembly and the laser range finder of the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1 to 12, a robot for automatically detecting surface parameters of a vehicle half shaft includes: a first bracket 1 and a second bracket 2, wherein the second bracket 2 is supported on the first bracket 1; the rotary fixing mechanism is supported on the first support 1 and used for supporting the half shaft to be detected right above the first support 1 and driving the half shaft to be detected 100 to rotate; the detection mechanism is supported on the second bracket 2, the detection end of the detection mechanism faces the half shaft 100 to be detected fixed on the rotary fixing mechanism, and the detection mechanism is used for acquiring the distance between the detection end and the half shaft; and the controller is in signal connection with the detection mechanism and is used for acquiring the distance and judging the surface parameters of the half shaft 100 according to the distance.
Rotatory fixed establishment includes two supporting seats 7 that support on first support 11, rotatably supports two three-jaw chucks 8 on two supporting seats 7 respectively, two three-jaw chuck 8 sets up relatively and aligns each other along the first direction, the direction that the axis that the semi-axis 100 that awaits measuring on being located three-jaw chuck 8 extends, two three-jaw chuck 8 is used for the both ends centre gripping of the semi-axis 100 that awaits measuring, when three-jaw chuck 8 was rotatory, can drive the semi-axis 100 that awaits measuring is rotatory. The two support seats 7 can move towards or away from each other on the first bracket 1, so that the two ends of the half shaft 100 can be inserted into the three-jaw chuck 8 or removed from the three-jaw chuck 8.
Further, a first motor 46 is arranged on one of the supporting seats 7, the first motor 46 is in transmission connection with the three-jaw chuck 8 arranged on the one of the supporting seats 7, the first motor 46 is electrically connected with the controller, and the controller can drive the half shaft 100 clamped in the three-jaw chuck 8 to rotate by controlling the rotation of the first motor 46.
Preferably, each support seat 7 is supported on a sliding plate 15, a sliding block 9 is arranged on the lower surface of the sliding plate 15, a guide rail 10 extending along the first direction is arranged on the first bracket 1, and the guide rail 10 is in sliding fit with the sliding block 9. Specifically, two limiting angle seats 21 are arranged on the upper surface of the sliding plate 15 and along two sides of the first direction, at least two guide shafts 20 extending along the first direction are arranged on the two limiting angle seats 21, two ends of each guide shaft 20 are supported on the two limiting angle seats 21, a baffle 22 is arranged on the lower surface of the support seat 7, the guide shafts 20 penetrate through the baffle 22, the baffle 22 is slidable relative to the guide shafts 20, a spring 19 is sleeved on each guide shaft 20, one end of the spring 19 abuts against the baffle 22, the other end of the spring 19 abuts against the limiting angle seat 21 far away from the half shaft, the spring 19 is always in a compressed state, so that the support seat 7 has a tendency of moving in opposite directions, and the spring 19 can play a role in buffering when the support seat 7 moves towards the half shaft 100 and two ends of the half shaft 100 abut against the three-jaw chuck 8.
Two supporting seats 7 in opposite directions or deviate from the motion and be driven by actuating mechanism, actuating mechanism includes sun gear 17 and two long racks 18, sun gear 17 rotatably sets up on first support 1, and the vertical setting of its rotation axis just is located the plane of symmetry of two supporting seats 7, two long racks 18 are relative sun gear 17's axis central symmetry sets up and all with sun gear 17 meshes, two long racks 18 all along the one end that first direction extends and keep away from each other is respectively in corresponding slide 15 fixed connection, when sun gear 17 is rotatory, can drive two long racks 18 and do in opposite directions or deviate from the motion in step, and then can drive two supporting seats 7 motions. Preferably, a second motor 16 is arranged on the first bracket 1, the second motor 16 is in transmission connection with the sun gear 17, and the second motor 16 is electrically connected with the controller.
Further, the same end of each of the two long racks 18 is provided with a limiting mechanism for limiting the moving distance of the long rack 18. Each limiting mechanism comprises a limiting support 45 arranged on the first support 1 and a limiting bolt 44 in threaded connection with the limiting support 45, the limiting bolt 44 extends along the first direction and is located on the corresponding moving path of the long rack 18, when the long rack 18 moves to a limiting position along one direction, the limiting bolt 44 abuts against one limiting mechanism, and the two limiting mechanisms can limit the long rack 18 in two directions of reciprocating. By adjusting the length of the limit bolt 44 extending from the limit support 45, the maximum moving distance of the long rack 18 in the two directions of the reciprocating movement can be adjusted.
Further, a guide angle 25 is provided on the first bracket 1 at a position corresponding to each long rack 18, the guide angle 25 is provided at a side opposite to the central gear 17 with respect to the corresponding long rack 18, and a roller 27 is rotatably provided on the guide angle 25, a rotation axis of the roller 27 is vertically provided, and the roller 27 abuts against the long rack 18 to always mesh the long rack 18 with the central gear 17, preferably, the guide angle 25 is provided at a position close to the central gear 17.
Further, a lower pressing base 26 is provided on the first bracket 1 at a position corresponding to each long rack 18, a lower pressing plate 28 is provided on each lower pressing base 26, the lower pressing base 26 is located at the same side as the corresponding guide angle base 25 with respect to the corresponding long rack 18, and the lower pressing plate 28 is located right above the corresponding long rack 18 and near the lower surface of the corresponding long rack 18 for preventing the long rack 18 from moving up and down as much as possible. Preferably, the lower pressure seat 26 is close to the sun gear 17.
The robot further comprises two support frames 5 which are supported on the first support 1 and located between the two support seats 7, each support frame 5 is Y-shaped, the opening of the Y-shaped faces upwards, the plane where each support frame 5 is located is perpendicular to the first direction, the two support frames 5 are arranged along the first direction and aligned with each other in the first direction, and when the support frame 5 is placed on the half shaft 100 to be detected, the axis of the half shaft 100 is collinear with the rotation axis of the three-jaw chuck 8.
Further, a sliding belt structure is arranged on the two side support arms of each support frame 5 forming the opening, the sliding belt structure comprises rotating rollers 30 rotatably arranged at two ends of the corresponding support arm and a synchronous belt 31 in transmission connection with the two rotating rollers 30, when the half shaft 100 is placed on the support frame 5, the half shaft 100 is specifically supported on the synchronous belt 31, and when the half shaft 100 rotates, the synchronous belt 31 can rotate along with the half shaft. By the sliding belt structure, when the half shaft 100 is required to rotate, the half shaft 100 can be directly rotated without disengaging the half shaft 100 from the support bracket 5.
Preferably, the detection mechanism comprises a distance measuring sensor 4 and a translation assembly 3 which are electrically connected with the controller, the translation assembly 3 is supported on the second bracket 2, the output end of the translation assembly 3 can move back and forth along the first direction, the laser distance measuring sensor 4 is fixed at the output end of the translation assembly 3, and the detection end of the distance measuring sensor 4 faces to the axial direction of the three-jaw chuck 8.
The translation assembly 3 comprises a supporting beam 33 supported on the second support 2, a second slide rail 34 arranged on the supporting beam 33, a slide 35 slidably arranged on the second slide rail 34, the second slide rail 34 extending along a first direction, and the distance measuring sensor 4 is arranged on the slide 35. Further, the translation assembly 3 further comprises: two support plates 36 provided at both ends of the support beam 33 in the first direction, respectively; two pulleys 37 rotatably disposed on the corresponding support plates 36, respectively, with rotation axes of the two pulleys 37 vertically disposed; a transmission belt 38 in transmission connection with the two pulleys 37, and the sliding seat 35 is fixedly connected with the transmission belt 38; and the third motor 39 is in transmission connection with one of the belt pulleys 37 and is electrically connected with the controller, and the controller can control the laser ranging sensor 4 by controlling the rotation of the third motor 39.
Preferably, the robot further comprises a material separating mechanism for classifying the half shafts 100 after detection according to whether the detection result is qualified. The two material distribution mechanisms are respectively positioned on two sides of the first support 1 along a second direction, and the second direction is a horizontal direction perpendicular to the first direction. Each feed mechanism includes: two air cylinders 40 are provided, and the air cylinder rods of the two air cylinders 40 are arranged upwards; a transverse connecting rod 41 which is horizontally arranged, and two ends of the transverse connecting rod are respectively fixed at the upper ends of the cylinder rods of the two cylinders 40; and two strip-shaped plates 42, two strip-shaped plates 42 are arranged along a first direction, the extending direction of each strip-shaped plate 42 is perpendicular to the first direction, one end of each strip-shaped plate 42, which is close to the half shaft 100 on the support frame 5, is higher, the other end of each strip-shaped plate is lower, the part, which is close to one end, of each strip-shaped plate 42 is positioned right below the half shaft 100, when the cylinder rod of the cylinder 40 is retracted, the strip-shaped plate 42 is not in contact with the half shaft 100 on the support frame 5, when the cylinder rod of the cylinder 49 is extended, the strip-shaped plate 42 moves upwards by a distance and jacks up the half shaft 100 so that the half shaft 100 can move along the strip-shaped plates 42 to realize unloading, and two material dividing mechanisms can unload the half shafts to different places to realize material dividing. A conveyor belt 6 is arranged at the position corresponding to each material distributing mechanism, and the half shaft 100 falling from the strip-shaped plate 42 falls onto the conveyor belt 6 and is conveyed out by the conveyor belt 6. And a baffle 43 is provided on both sides of the conveyor belt 6 in its width direction for preventing the half shafts 100 from rolling out from both sides of the conveyor belt 6.
Specifically, the surface parameter may be roundness, coaxiality, or the like.
When the product is circular, the distance measuring sensor 4 is moved to a specified position along a first direction, the controller controls the first motor 46 to rotate 360 degrees, the controller obtains the distance of different positions on the circumference of the half shaft 100 at the specified position, if the distance change is larger than a set value, the product is unqualified, if the distance change is within a preset range, the product is qualified, and the qualified product and the unqualified product are separated through the material separating mechanism. Of course, a plurality of designated positions may be detected, and when one designated position is detected, the distance measuring sensor 4 is moved to the next designated position until all designated positions are detected.
When the coaxiality is the coaxiality, the distance measuring sensor 4 is used for detecting from one end of the half shaft 100 along the first direction and detecting the other end of the half shaft 100, the controller is used for obtaining a distance value obtained by the distance measuring sensor 4, judging whether the product is qualified or not according to the change of the distance, and the qualified product and the unqualified product are separated through the material separating mechanism.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A vehicle semi-axis surface parameter automatic detection robot comprises:
the first bracket and the second bracket are supported above the first bracket;
the rotary fixing mechanism is supported on the first support and used for supporting the half shaft to be detected right above the first support and driving the half shaft to be detected to rotate;
the detection mechanism is supported on the second support, the detection end of the detection mechanism faces the half shaft to be detected, which is fixed on the rotary fixing mechanism, and the detection mechanism is used for acquiring the distance between the detection end and the half shaft;
the controller is in signal connection with the detection mechanism and is used for acquiring the distance and judging whether the half shaft is qualified or not according to the distance, and the rotary fixing mechanism is characterized by comprising:
the two supporting seats are respectively supported on the first support, the two supporting seats are arranged along a first direction, and the two supporting seats can move towards or away from each other on the first support;
the two three-jaw chucks are oppositely arranged and aligned with each other along the first direction, and are used for clamping two ends of the half shaft to be detected;
the first motor is arranged on one of the supporting seats and is in transmission connection with the three-jaw chuck on the supporting seat;
each supporting seat is supported on a sliding plate, a sliding block is arranged on the lower surface of the sliding plate, a guide rail extending along a first direction is arranged on the first support, the guide rail is in sliding fit with the sliding block, two limiting angle seats are arranged on the upper surface of the sliding plate and on two sides of the first direction, at least two guide shafts extending along the first direction are arranged on the two limiting angle seats, two ends of each guide shaft are supported on the two limiting angle seats, a baffle is arranged on the lower surface of the supporting seat, the guide shafts penetrate through the baffle, the baffle can slide relative to the guide shafts, a spring is sleeved on each guide shaft, one end of the spring abuts against the baffle, the other end of the spring abuts against the limiting angle seat far away from the half shaft, and the spring is always in a compressed state;
still including supporting on first support and being located two support frames between two support holders, the support frame is the Y type, the opening of Y type up, the plane perpendicular to at every support frame place first direction, and two support frames along first direction is arranged and is aimed at each other in the first direction, works as when the support frame is placed to the semi-axis of waiting to detect, the axis of semi-axis with the rotation axis collineation of three-jaw chuck all is provided with the sliptape structure on the formation open-ended both sides support arm of every support frame, the sliptape structure includes the hold-in range that rotatably sets up at the live-rollers at the support arm both ends that correspond and will two live-roller transmission connections, works as when the semi-axis is placed on the support frame, the semi-axis supports the hold-in range, when the semi-axis is rotatory, the hold-in range can be followed the semi-axis is rotatory together.
2. The robot for automatically detecting the surface parameters of the half shaft of the vehicle according to claim 1, wherein the opposite or opposite movements of the two supporting seats are driven by a driving mechanism, the driving mechanism comprises a central gear and two long racks, the central gear is rotatably disposed on a first bracket, the rotation axis of the central gear is vertically disposed and located on the symmetry plane of the two supporting seats, the two long racks are disposed symmetrically with respect to the axis of the central gear and are engaged with the central gear, the ends of the two long racks, which extend along the first direction and are far away from each other, are fixedly connected with corresponding sliding plates, respectively, a second motor is disposed on the first bracket, the second motor is in transmission connection with the central gear, and the second motor is electrically connected with the controller.
3. The robot for automatically detecting the surface parameters of the vehicle half shaft according to claim 2, wherein a limiting mechanism is arranged at one end of each of the two long racks facing to the same direction, the limiting mechanism is used for limiting the moving distance of the long racks, each limiting mechanism comprises a limiting support arranged on the first support and a limiting bolt screwed on the limiting support, and the limiting bolt extends along the first direction and is located on the moving path of the corresponding long rack.
4. The robot for automatically detecting surface parameters of vehicle axle shafts according to claim 2, wherein a guide angle seat is provided at a position corresponding to each long rack on the first bracket, the guide angle seat is provided at a side opposite to the central gear with respect to the corresponding long rack, and a roller is rotatably provided on the guide angle seat, the rotation axis of the roller is vertically disposed and the roller abuts on the long rack, a depressing seat is provided at a position corresponding to each long rack on the first bracket, and a depressing plate is provided on each depressing seat, the depressing seat is located at the same side as the corresponding guide angle seat with respect to the corresponding long rack, and the depressing plate is located directly above the corresponding long rack and near a lower surface of the corresponding long rack.
5. The robot for automatically detecting the surface parameters of the vehicle half shaft according to claim 1, wherein the detection mechanism comprises a distance measuring sensor and a translation assembly electrically connected with the controller, the translation assembly is supported on the second support, the output end of the translation assembly can move back and forth along a first direction, the distance measuring sensor is fixed at the output end of the translation assembly, and the detection end of the distance measuring sensor faces the axial direction of the three-jaw chuck and is used for detecting the distance between the detection end and the surface of the half shaft.
6. The vehicle axle shaft surface parameter automatic detection robot as claimed in claim 5, wherein the translation assembly comprises:
the supporting beam is supported on the second bracket;
the second sliding rail is arranged on the supporting beam and extends along the first direction;
the sliding base is slidably arranged on the second sliding rail, and the distance measuring sensor is arranged on the sliding base;
the two support plates are respectively arranged at two ends of the support beam along the first direction;
the two belt pulleys are respectively and rotatably arranged on the corresponding support plates, and the rotating axes of the two belt pulleys are vertically arranged;
the transmission belt is in transmission connection with the two belt pulleys, and the sliding seat is fixedly connected with the transmission belt;
and the third motor is in transmission connection with one of the belt pulleys and is electrically connected with the controller, and the controller can control the distance measuring sensor to move back and forth along the first direction by controlling the rotation of the third motor.
7. The robot for automatically detecting the surface parameters of the vehicle half shaft according to claim 1, further comprising two material separating mechanisms for classifying the half shaft after detection according to whether the detection result is qualified, wherein the two material separating mechanisms are respectively arranged at two sides of the first bracket along a second direction, the second direction is a horizontal direction perpendicular to the first direction, and each material separating mechanism comprises:
the two cylinders are provided, and cylinder rods of the two cylinders are arranged upwards;
the transverse connecting rod is horizontally arranged, and two ends of the transverse connecting rod are respectively fixed at the upper ends of the cylinder rods of the two cylinders;
the two strip-shaped plates are arranged along a first direction, the extending direction of each strip-shaped plate is perpendicular to the first direction, one end, close to a half shaft on the supporting frame, of each strip-shaped plate is higher, the other end of each strip-shaped plate is lower, the part, close to the one end, of each strip-shaped plate is located under the half shaft, when a cylinder rod of the cylinder retracts, the strip-shaped plates are not in contact with the half shaft on the supporting frame, when the cylinder rod of the cylinder extends, the strip-shaped plates move upwards for a certain distance and jack up the half shaft to enable the half shaft to move along the strip-shaped plates to achieve discharging, and the two distributing mechanisms can discharge the half shaft to different places to achieve distributing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110412299.1A CN113124775B (en) | 2021-04-16 | 2021-04-16 | Automatic detection robot for surface of vehicle half shaft |
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| WO2012020175A1 (en) * | 2010-08-13 | 2012-02-16 | Daniel Fuchs | Rolling-road test bed for motor vehicles |
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