CN111098292A - Novel wheel hub surveys thick probe clamping jaw device of membrane - Google Patents
Novel wheel hub surveys thick probe clamping jaw device of membrane Download PDFInfo
- Publication number
- CN111098292A CN111098292A CN202010014603.2A CN202010014603A CN111098292A CN 111098292 A CN111098292 A CN 111098292A CN 202010014603 A CN202010014603 A CN 202010014603A CN 111098292 A CN111098292 A CN 111098292A
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- Prior art keywords
- film thickness
- probe
- clamping jaw
- servo motor
- thickness measuring
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- 239000000523 sample Substances 0.000 title claims abstract description 69
- 239000012528 membrane Substances 0.000 title claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 claims 1
- 239000000843 powder Substances 0.000 abstract description 14
- 238000001514 detection method Methods 0.000 abstract description 13
- 239000011248 coating agent Substances 0.000 abstract description 12
- 238000000576 coating method Methods 0.000 abstract description 12
- 238000005507 spraying Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/0009—Constructional details, e.g. manipulator supports, bases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J13/00—Controls for manipulators
- B25J13/08—Controls for manipulators by means of sensing devices, e.g. viewing or touching devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/10—Programme-controlled manipulators characterised by positioning means for manipulator elements
- B25J9/12—Programme-controlled manipulators characterised by positioning means for manipulator elements electric
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
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- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a wheel hub film thickness measuring probe clamping jaw device which comprises a servo motor fixing frame, a fixing block assembly, a baffle plate, a probe clamping jaw, a servo motor, a speed reducer, a photoelectric switch and the like, a plurality of fixing plates, fixing blocks, a fixing frame, a clamping jaw, a film thickness measuring probe, a proximity switch and the like. According to the invention, through different wheel types recognized visually, a PLC controls a servo motor to rotate at different angles according to different inclination angles of a film thickness measuring point tangent plane and a horizontal plane of each wheel type; the parallel robot drives the film thickness measuring probe to contact the hub measuring surface according to the control program to measure the film thickness. The coating thickness of the wheel hubs with different wheel types after powder spraying can be automatically measured on line by controlling the parallel robot and the servo motor together. The degree of automation, the accuracy and the detection efficiency of detection have been improved. The labor cost is saved.
Description
Technical Field
The invention relates to the field of automatic machining machinery for aluminum alloy wheels. In particular to a hub after powder spraying for on-line measurement of the thickness of a sprayed film, and more particularly to a clamping jaw device of a hub film thickness measuring probe.
Background
In the production process of the wheel hub, the thickness of the sprayed powder coating on the wheel hub needs to be within a certain range in the coating and powder spraying process, and if the step of measuring the thickness of the sprayed powder coating after powder spraying is not available, the thickness of the sprayed powder coating on the wheel hub is insufficient and exceeds the standard or the thickness of the sprayed powder coating is not uniform and unknown, so that unqualified products flow into the next process.
At present, the process on the production line is manual handheld measurement, the labor intensity of workers is high, the measurement result is greatly influenced by the measurement technique and the measurement experience technology of the workers, and meanwhile, because the inclination angle of the tangent plane of the film thickness measurement point of each wheel type is different from that of the horizontal plane (a probe is required to be vertically measured with the tangent plane during measurement), the rotation angle sent by a controller received by a servo motor is different, and certain difficulty is brought to automatic measurement of the film thickness.
Disclosure of Invention
In order to solve the technical problems, the invention provides the clamping jaw device of the wheel hub film thickness measuring probe and the film thickness measuring method, which can realize automatic online measurement and detection of the film thickness of various wheel type wheel hubs, greatly improve the detection efficiency and the detection accuracy and save the labor cost of the detection post.
The complete technical scheme of the invention comprises the following steps:
a probe clamping jaw device for measuring the film thickness of a wheel hub comprises a servo motor fixing frame (1), a fixing block component (2), a baffle (3), a probe clamping jaw component (4), a servo motor unit (5) and a photoelectric switch component (6);
the servo motor fixing frame (1) is arranged on the parallel robot flange hole through a flange hole of the first fixing plate (7) and a screw;
the fixed block component (2) is arranged on an output shaft of the speed reducer through a fixed block (9) and is connected with the output shaft of the speed reducer through a flat key, and the servo motor component drives the fixed block component (2) to rotate;
the baffle (3) is mounted on the fixing block (9) through screws and connected with a threaded hole in the end face of the reducer shaft through a screw, and is used for preventing the fixing block assembly (2) from axially moving along the reducer;
the probe clamping jaw assembly (4) is arranged on the fixed block (9) through a flange hole of the third fixed plate (10) and a screw, and the servo motor unit (5) and the parallel robot jointly drive the internal film thickness measuring probe (14) to complete measurement;
the servo motor unit (5) is arranged on the second fixing plate (8) through screws and is used for measuring the angle deflection of different wheel types; the photoelectric switch assembly (6) is mounted on the second fixing plate (8) through a screw and used for detecting the origin position and +/-45-degree limit position of the motor;
the structure of the probe clamping jaw component (4) is as follows: the device comprises a fixed frame (12) and a clamping jaw (13), wherein a film thickness measuring probe (14) is installed on a clamping hole of a clamp body in the clamping jaw (13), and the film thickness measuring probe (14) can deflect at +/-45 degrees and is used for measuring the thickness of a sprayed film on the surface of a hub; install proximity switch (15) on the inside fourth fixed plate (11) rectangular hole of mount (12) for detect and survey thick probe metal tail cover of membrane, after proximity switch by the starting signal, the signal was sent electric control cabinet PLC and is used for stopping parallel robot and use, guarantees wheel hub and surveys the mechanical properties and the security performance of thick clamping jaw.
The photoelectric switch assembly (6) is as follows: 1U-shaped photoelectric switches are respectively arranged at the two limiting positions of the film thickness measuring probe (14) which deflect at +/-45 degrees.
Mechanical hard stop blocks are respectively arranged behind the two-pole position where the film thickness measuring probe (14) deflects +/-45 degrees, so that hard braking can be realized.
The method for measuring the film thickness of the wheel hub by adopting the device is characterized in that after the wheel type is visually identified, a wheel type signal is sent to the PLC of the electric control cabinet for signal processing, the PLC sends control signals to the servo motor controller and the parallel robot according to different inclination angles of a tangent plane of a film thickness measuring point of each wheel type and a horizontal plane, and the controller sends different rotation angles to control the servo motor to act according to the different inclination angles sent by the PLC;
after the servo motor rotates, the probe clamping jaw assembly (4) is driven to move, the film thickness measuring probe (14) is stopped at a corresponding angle position deviated from an original point, the parallel robot drives the film thickness measuring probe (14) to contact with a hub measuring surface according to a control program, film thickness measurement is carried out, after a probe metal tail sleeve moves upwards along the axis of the probe, the probe metal tail sleeve is sensed by the proximity switch, the proximity switch signals the PLC of the electric control cabinet, and the PLC controls the robot to stop pressing down for measurement.
And the origin position is determined by signaling the PLC by the U-shaped photoelectric switch.
Compared with the prior art, the invention has the following advantages:
1. from the technical perspective, for measuring the thickness of the coating after powder spraying of the hub, automatic on-line measurement is adopted instead of manual handheld measurement, so that the phenomenon of inaccurate measurement result caused by different measurement methods and measurement experience technologies of workers is reduced. The coating thickness of the wheel hubs with different wheel types after powder spraying can be automatically measured on line by controlling the parallel robot and the servo motor together. In the scheme, a limit photoelectric switch, a mechanical limit block and the like are additionally arranged, so that the probe is stopped and hard braked at positive and negative limit positions, and the problem that the mechanism is damaged due to collision caused by continuous deflection when the probe reaches the limit positions is solved.
2. From the economic perspective, the invention can be applied to mixed line detection, namely, hubs with different specifications can be detected, manual hand-held detection of hubs with different specifications is not needed, and the detection automation degree, the detection accuracy and the detection efficiency are improved. The labor cost is saved.
3, the PLC controls the servo motor to rotate at different angles according to different inclination angles of the tangent plane of the film thickness measuring point of each wheel type and the horizontal plane and perform detection; the method can be applied to automatic mixed line detection, and the precedent of wheel hub mixed line measurement is started.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any inventive exercise.
FIG. 1 is a schematic structural view of a novel hub film thickness measuring probe clamping jaw device;
fig. 2 is a three-dimensional schematic diagram of a novel hub film thickness measuring probe clamping jaw device.
In the figure: 1-servo motor fixing frame, 2-fixing block assembly, 3-baffle, 4-probe clamping jaw, 5-servo motor and speed reducer, 6-photoelectric switch, 7-first fixing plate, 8-second fixing plate, 9-fixing block, 10-third fixing plate, 11-fourth fixing plate, 12-fixing frame, 13-clamping jaw, 14-film thickness measuring probe and 15-proximity switch.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
The invention provides a clamping jaw of a hub film thickness measuring probe, which aims to solve the problem that unqualified products flow into the next process because the thickness of a sprayed powder coating on a hub is insufficient and exceeds the standard or the thickness of the sprayed powder coating is not uniform and unknown.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the invention is a schematic structural diagram of a clamping jaw device of a hub film thickness measuring probe. The wheel hub film thickness measuring probe clamping jaw device comprises a servo motor fixing frame 1, a fixing block component 2, a baffle 3, a probe clamping jaw component 4, a servo motor, a speed reducer 5, a photoelectric switch 6 and the like.
The servo motor fixing frame 1 is arranged on a flange hole of the parallel robot through a flange hole of the first fixing plate 7 and a screw;
the fixed block component 2 is arranged on an output shaft of the speed reducer through a fixed block 9 and is connected with the output shaft of the speed reducer through a flat key, and a motor drives the speed reducer to rotate;
the baffle 3 is installed on the fixed block 9 through a screw and connected with a threaded hole on the end face of the reducer shaft through a screw, and is used for preventing the fixed block assembly 2 from axially moving along the reducer;
the probe clamping jaw assembly 4 is installed on the fixed block 9 through a flange hole of the third fixed plate 10 by using a screw, and the servo motor, the speed reducer 5 and the parallel robot jointly drive the internal film thickness measuring probe 14 to complete the measurement;
the servo motor and the speed reducer 5 are arranged on the second fixing plate 8 through screws and are used for measuring angle deflection of different wheel types; the photoelectric switch 6 is mounted on the second fixing plate 8 through a screw, and is used for detecting the origin position and the +/-45-degree limit position of the motor.
For the hub thickness measuring probe clamping jaw provided by the invention, for measuring the thickness of the coating after powder spraying of a hub, a parallel robot, a servo motor and a speed reducer 5 shown in figure 1 are adopted to control the action of a thickness measuring probe 14, and finally the thickness of the coating after powder spraying is measured by the thickness measuring probe 14. Compare in present artifical handheld measurement prior art, the thick probe clamping jaw of membrane is surveyed to this scheme wheel hub has improved measurement degree of automation, efficiency and accuracy.
As shown in FIGS. 1 and 2, the internal components of the probe clamping jaw assembly 4 of the hub film thickness measuring probe clamping jaw provided by the invention comprise a fixed frame 12 and a clamping jaw 13, and a film thickness measuring probe 14 is installed on a clamping hole phi 17 of the clamp body inside the clamping jaw 13 and is used for measuring the thickness of a sprayed film on the surface of a hub; proximity switch 15 installs on the inside 11 rectangular holes of fourth fixed plate of mount 12 for detect and survey thick probe metal tail cover of membrane, after proximity switch by the starting signal, the signal was sent automatically controlled cabinet PLC and is used for stopping parallel robot and use, guarantees wheel hub and surveys the mechanical properties and the security performance of thick clamping jaw.
After the wheel type is identified visually, a wheel type signal is sent to the PLC of the electric control cabinet for signal processing, and the PLC sends a control signal to the servo motor controller and the parallel robot to control the servo motor and the parallel robot to act. The inclination angle of the tangent plane of a film thickness measuring point of each wheel type is different from that of the horizontal plane (the probe is perpendicular to the tangent plane during measurement), so that the servo motor receives different rotation angles sent by the controller, after the servo motor rotates, the servo motor drives the actuating mechanism to act, finally the probe stops at a corresponding angle position deviating from an original point (the original point position is signaled to the PLC by the U-shaped photoelectric switch), the parallel robot drives the film thickness measuring probe to contact the wheel hub measuring surface according to a control program to measure the film thickness, after the metal tail sleeve of the probe moves upwards along the axis of the probe, the proximity switch is sensed by the proximity switch, the proximity switch signals the PLC of the electric control cabinet, and the PLC controls the robot to stop pressing and measuring. The film thickness measuring probe can realize deflection of +/-45 degrees, and in order that the actuating mechanism can stop moving at the extreme position of +/-45 degrees, 1U-shaped photoelectric switch is respectively arranged at the two extreme positions; when the photoelectric switch is damaged or fails and the motor can not stop moving, mechanical hard stop blocks are respectively arranged behind the two limit positions, so that hard braking can be realized.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (5)
1. A probe clamping jaw device for measuring the film thickness of a wheel hub is characterized by comprising a servo motor fixing frame (1), a fixing block component (2), a baffle plate (3), a probe clamping jaw component (4), a servo motor unit (5) and a photoelectric switch component (6);
the servo motor fixing frame (1) is arranged on the parallel robot flange hole through a flange hole of the first fixing plate (7) and a screw;
the fixed block component (2) is arranged on an output shaft of the speed reducer through a fixed block (9) and is connected with the output shaft of the speed reducer through a flat key, and the servo motor component drives the fixed block component (2) to rotate;
the baffle (3) is mounted on the fixing block (9) through screws and connected with a threaded hole in the end face of the reducer shaft through a screw, and is used for preventing the fixing block assembly (2) from axially moving along the reducer;
the probe clamping jaw assembly (4) is arranged on the fixed block (9) through a flange hole of the third fixed plate (10) and a screw, and the servo motor unit (5) and the parallel robot jointly drive the internal film thickness measuring probe (14) to complete measurement;
the servo motor unit (5) is arranged on the second fixing plate (8) through screws and is used for measuring the angle deflection of different wheel types; the photoelectric switch assembly (6) is mounted on the second fixing plate (8) through a screw and used for detecting the origin position and +/-45-degree limit position of the motor;
the structure of the probe clamping jaw component (4) is as follows: the device comprises a fixed frame (12) and a clamping jaw (13), wherein a film thickness measuring probe (14) is installed on a clamping hole of a clamp body in the clamping jaw (13), and the film thickness measuring probe (14) can deflect at +/-45 degrees and is used for measuring the thickness of a sprayed film on the surface of a hub; install proximity switch (15) on the inside fourth fixed plate (11) rectangular hole of mount (12) for detect and survey thick probe metal tail cover of membrane, after proximity switch by the starting signal, the signal was sent electric control cabinet PLC and is used for stopping parallel robot and use, guarantees wheel hub and surveys the mechanical properties and the security performance of thick clamping jaw.
2. The clamping jaw device for the hub film thickness measuring probe according to claim 1, wherein the optoelectronic switch assembly (6) is: 1U-shaped photoelectric switches are respectively arranged at the two limiting positions of the film thickness measuring probe (14) which deflect at +/-45 degrees.
3. The clamping jaw device for the hub film thickness measuring probe according to claim 2, wherein a mechanical hard stop is respectively arranged behind two extreme positions of the film thickness measuring probe (14) which deflect by +/-45 degrees, so that hard braking can be realized.
4. The method for measuring the film thickness of the wheel hub by adopting the device as claimed in any one of claims 1 to 3, wherein after the wheel type is visually identified, a wheel type signal is sent to an electric control cabinet PLC for signal processing, the PLC sends a control signal to a servo motor controller and a parallel robot according to different inclination angles of a tangent plane and a horizontal plane of a film thickness measuring point of each wheel type, and the controller sends different rotation angles to control the servo motor to act according to the different inclination angles sent by the PLC;
after the servo motor rotates, the probe clamping jaw assembly (4) is driven to move, the film thickness measuring probe (14) is stopped at a corresponding angle position deviated from an original point, the parallel robot drives the film thickness measuring probe (14) to contact with a hub measuring surface according to a control program, film thickness measurement is carried out, after a probe metal tail sleeve moves upwards along the axis of the probe, the probe metal tail sleeve is sensed by the proximity switch, the proximity switch signals the PLC of the electric control cabinet, and the PLC controls the robot to stop pressing down for measurement.
5. The method for measuring the thickness of the hub is adopted, according to claim 4, wherein the position of the origin is determined by a PLC through a signal of a U-shaped photoelectric switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010014603.2A CN111098292A (en) | 2020-01-07 | 2020-01-07 | Novel wheel hub surveys thick probe clamping jaw device of membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010014603.2A CN111098292A (en) | 2020-01-07 | 2020-01-07 | Novel wheel hub surveys thick probe clamping jaw device of membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111098292A true CN111098292A (en) | 2020-05-05 |
Family
ID=70426787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010014603.2A Pending CN111098292A (en) | 2020-01-07 | 2020-01-07 | Novel wheel hub surveys thick probe clamping jaw device of membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111098292A (en) |
-
2020
- 2020-01-07 CN CN202010014603.2A patent/CN111098292A/en active Pending
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