CN219573517U - Positioning device for on-line detection of automobile hub - Google Patents
Positioning device for on-line detection of automobile hub Download PDFInfo
- Publication number
- CN219573517U CN219573517U CN202320035025.XU CN202320035025U CN219573517U CN 219573517 U CN219573517 U CN 219573517U CN 202320035025 U CN202320035025 U CN 202320035025U CN 219573517 U CN219573517 U CN 219573517U
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- telescopic
- hub
- centering
- support
- hub support
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Abstract
The utility model discloses a positioning device for on-line detection of an automobile hub, which comprises a frame, a conveying roller table, a hub support, a rotary driving piece, a telescopic driving piece and a centering mechanism, wherein the conveying roller table is arranged on the frame and used for conveying the hub, the hub support is used for supporting the hub, the rotary driving piece is used for driving the hub support to rotate, the telescopic driving piece is used for driving the hub support to move up and down relative to the conveying roller table, the centering mechanism is used for driving the hub to the center of the hub support, the hub support is arranged on the rotary driving piece, and the rotary driving piece is arranged on the telescopic end of the telescopic driving piece. According to the utility model, the hub is lifted up through the telescopic driving piece, so that the hub is focused rapidly, and then the driving wheel hub is rotated through the rotary driving piece, so that the driving wheel hub is rotated to a fixed position to be detected; the device has simple structure and small volume, not only ensures high position control precision, but also improves the motion response time and obviously reduces the working beat.
Description
Technical Field
The utility model relates to the technical field of automobile part detection, in particular to a positioning device for on-line detection of an automobile hub.
Background
Currently, in the production of automobile hubs, in order to realize the on-line size inspection of the hubs, the hubs below the image measuring device need to be positioned and focused. Usually, a camera photographs and finds a valve hole of a hub to serve as a locating point, and after the hub rotates to a fixed position, shooting detection is performed. How to quickly position and focus the hub so as to shorten the detection beat time becomes a technical problem to be solved.
Disclosure of Invention
The utility model aims to provide a positioning device for on-line detection of an automobile hub, so as to solve the problems.
In order to achieve the aim, the utility model discloses a positioning device for on-line detection of an automobile hub, which comprises a frame, a conveying roller table, a hub support, a rotary driving piece, a telescopic driving piece and a centering mechanism, wherein the conveying roller table is arranged on the frame and used for conveying the hub, the hub support is used for supporting the hub, the rotary driving piece is used for driving the hub support to rotate, the telescopic driving piece is used for driving the hub support to move up and down relative to the conveying roller table, the centering mechanism is used for driving the hub to the center of the hub support, the hub support is arranged on the rotary driving piece, and the rotary driving piece is arranged on the telescopic end of the telescopic driving piece.
Further, the frame is further provided with a sensor for detecting the hub to move to the upper portion of the hub support, and a limiting telescopic piece for limiting the hub to be conveyed is arranged below the conveying roller way.
Further, the centering mechanism comprises a plurality of centering roller assemblies arranged on two sides of the hub support and a centering roller telescopic assembly for driving the centering roller assemblies to move relatively on two sides, and the centering roller assemblies comprise roller mounting frames and rollers pivoted on the roller mounting frames.
Further, the centering roller telescopic assembly comprises a centering roller telescopic piece, a gear and two racks, wherein two sides of the gear are respectively meshed with one end of each rack, the other end of each rack is fixedly connected with the roller mounting frame, and the telescopic end of the centering roller telescopic piece is fixedly connected with one rack.
Further, the centering roller telescopic piece comprises a centering sliding block and a centering sliding rail, the roller mounting frame is fixedly connected with the centering sliding block, and the centering sliding block is matched with the centering sliding rail.
Further, the telescopic guide mechanism is further arranged on the frame and comprises a guide rod, a driving plate and a guide sleeve, the guide sleeve is circumferentially arranged on the driving plate, the guide sleeve is in sliding connection with the guide rod, and the rotary driving piece is arranged on the driving plate through a supporting rod.
Further, the top of wheel hub support is provided with wheel hub support flange, wheel hub support flange's below sets up installs two-way flexible support piece, the flexible end of two sides of two-way flexible support piece is provided with and is used for supporting to the arc piece of wheel hub centre bore inner wall.
Further, the telescopic driving piece comprises a first servo motor and an electric cylinder which are in transmission connection with each other, and the telescopic end of the electric cylinder is fixedly connected with the rotary driving piece.
Further, the rotary driving piece is a second servo motor, and an output shaft of the second servo motor is in transmission with a rotating shaft of the hub support.
Compared with the prior art, the utility model has the advantages that:
according to the utility model, after the hub is quickly centered through the centering mechanism, the telescopic driving piece is used for jacking the hub, so that the hub is quickly focused, and the driving piece is rotated to rotate to a fixed position to be detected; the device simple structure, small in size not only makes position control precision very high, and has improved motion response time, is showing and has reduced the beat of work, is convenient for assist wheel hub to accomplish the on-line measuring operation in automatic transportation process.
The utility model will be described in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic isometric view of a positioning device for on-line inspection of an automobile hub in accordance with a preferred embodiment of the present utility model;
FIG. 2 is a schematic front view of a positioning device for on-line detection of an automobile hub according to a preferred embodiment of the present utility model;
FIG. 3 is a schematic illustration of the mating of the hub carrier, rotary drive member and telescoping drive member disclosed in the preferred embodiment of the present utility model;
fig. 4 is an isometric view of a centering mechanism disclosed in a preferred embodiment of the utility model.
Legend description:
1. a frame; 2. a conveying roller way; 3. a hub support; 4. a rotary driving member; 5. a telescopic driving member; 6. a centering mechanism; 7. a sensor; 8. limiting telescopic parts; 9. centering roller telescopic components; 10. a roller mounting rack; 11. a roller; 12. centering roller telescoping member; 13. a gear; 14. a rack; 15. centering the sliding block; 16. a slide rail; 17. a guide rod; 18. a driving plate; 19. a guide sleeve; 20. a support rod; 21. a hub support flange; 22. a bi-directional telescoping support; 23. arc blocks.
Detailed Description
Embodiments of the utility model are described in detail below with reference to the attached drawings, but the utility model can be implemented in a number of different ways, which are defined and covered by the claims.
As shown in fig. 1 to 4, the utility model discloses a positioning device for on-line detection of automobile hubs, which comprises a frame 1, a conveying roller table 2, a hub support 3, a rotary driving piece 4, a telescopic driving piece 5 and a centering mechanism 6, wherein the conveying roller table 2 is arranged on the frame 1 and used for conveying hubs, the hub support 3 is used for supporting the hubs, the rotary driving piece 4 is used for driving the hub support 3 to rotate, the telescopic driving piece 5 is used for driving the hub support 3 to move up and down relative to the conveying roller table 2, the centering mechanism 6 is used for driving the hubs to the center of the hub support 3, the conveying roller table 2 comprises conveying rollers and a motor for driving the conveying rollers, the conveying rollers keep continuous rolling conveying, so that the hubs can finish on-line detection in the automatic conveying process, the hub support 3 is arranged on the rotary driving piece 4, and the rotary driving piece 4 is arranged on the telescopic end of the telescopic driving piece 5. The wheel hub is lifted through the telescopic driving piece 5, so that the wheel hub is focused rapidly, the photographing measuring device above the wheel hub is convenient to photograph, and the wheel hub is rotated through the rotary driving piece 4, so that the wheel hub is rotated to a fixed position to be detected.
In this embodiment, the frame 1 is further provided with a sensor 7 for detecting movement of the hub to the upper side of the hub support 3, and a limiting telescopic member 8 for limiting conveyance of the hub is arranged below the conveying roller table 2, wherein the sensor 7 includes a transmitting end and a receiving end, when the wheel roller conveys light rays blocking the transmitting end, the receiving end cannot receive the light rays to trigger the limiting telescopic member 8 to act, the limiting telescopic member 8 is a cylinder for up-down telescopic movement, and the telescopic end can block forward movement of the hub after extending upwards, so that the telescopic driving member 5, the rotary driving member 4 and the centering mechanism 6 can act sequentially.
In this embodiment, referring to fig. 4, the centering mechanism 6 includes a plurality of centering roller assemblies disposed at both sides of the hub support 3 and a centering roller telescopic assembly 9 driving the centering roller assemblies at both sides to relatively move, and the centering roller assemblies include a roller mounting frame 10 and a roller 11 pivotally connected to the roller mounting frame 10. Specifically, the centering roller telescopic assembly 9 includes a centering roller telescopic member 12, a gear 13 and two racks 14, wherein two sides of the gear 13 are respectively meshed with one end of a rack 14, the other end of the rack 14 is fixedly connected with the roller mounting frame 10, and the telescopic end of the centering roller telescopic member 12 is fixedly connected with the rack 14. The centering roller telescopic piece 12 adopts a centering cylinder, when the middle roller telescopic piece 12 drives one rack 14 to reciprocate, the rack 14 is meshed with the gear 13, and the other rack 14 is driven to synchronously reciprocate through the gear 13, so that the rollers 11 on the roller mounting frames 10 on two sides can synchronously move relatively, and the clamping centering effect is achieved.
In this embodiment, in order to ensure accuracy of centering movement, the centering roller telescopic assembly 9 includes a centering slider 15 and a centering slide rail 16, a set of roller mounting frames 10 are respectively disposed on the left and right sides, and are fixedly connected with the centering slider 15, and the centering slider 15 and the centering slide rail 16 are matched.
In this embodiment, the frame 1 is further provided with a telescopic guiding mechanism, the telescopic guiding mechanism includes four guiding rods 17, a driving plate 18 and four guiding sleeves 19, the four guiding sleeves 19 are circumferentially mounted on the driving plate 18, the guiding sleeves 19 are vertically slidingly connected with the guiding rods 17, and the rotary driving piece 4 is mounted on the driving plate 18 through supporting rods 20. In order to improve the precision of telescoping, be convenient for accurate focusing, flexible driving piece 5 includes first servo motor and the electric jar of mutual transmission connection. The telescopic end of the electric cylinder is hinged to the bottom of the drive plate 18.
In this embodiment, the top of the hub support 3 is provided with a hub support flange 21, a bidirectional telescopic support 22 is installed below the hub support flange 21, and the telescopic ends on both sides of the bidirectional telescopic support 22 are provided with arc blocks 23 for abutting against the inner wall of the hub center hole. Specifically, the bidirectional telescopic support 22 is a bidirectional driving cylinder with telescopic ends at two sides, so that the bidirectional telescopic support can move from the central hole to two sides to abut against the hole wall, and the bidirectional telescopic support plays a role in clamping and fixing the hub.
In this embodiment, the rotary driving member 4 is a second servo motor, and an output shaft of the second servo motor is driven by a rotating shaft of the hub support 3, so that the second servo motor can be controlled to rotate the hub valve hole to a fixed position through rotation according to the valve hole angle determined by the image.
The working process of the positioning device is as follows:
the wheel hub support 3 is hidden under the conveying roller way 2 for about 2mm, when the wheel hub is stopped at the position after being in contact with the sensor 7 (photoelectric switch), the telescopic driving piece 5 (comprising a first servo motor and an electric cylinder) pushes the wheel hub support flange 21 on the wheel hub support 3 upwards to contact the flange surface of the wheel hub according to the PLC signal, and the conveying roller way 2 is propped up to a fixed position, so that focusing is completed; then, the PLC transmits a signal to the centering mechanism 6 to drive the four rollers 11 on both sides to align the center of the hub with the center of the hub support flange 21, and then the PLC transmits a rotation angle signal to inform the rotation driving member 4 (second servo motor) to enable the rotation of the hub support 3 to stop at a certain angle. After completion, the telescopic driving piece 5 drives the hub support 3 to move back to the original point, and one beat is completed.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. The utility model provides a positioner for automobile wheel hub on-line measuring, its characterized in that, is including frame (1) and install be used for carrying wheel hub rollgang (2) on frame (1), be used for supporting wheel hub's wheel hub support (3), be used for the drive wheel hub support (3) rotatory rotary drive spare (4), be used for driving wheel hub support (3) relative rollgang (2) up-and-down motion flexible drive spare (5) and be used for driving wheel hub to centering mechanism (6) in wheel hub support (3) center, wheel hub support (3) are installed on rotary drive spare (4), rotary drive spare (4) are installed on the flexible end of flexible drive spare (5).
2. Positioning device for the on-line detection of automobile hubs according to claim 1, characterized in that the frame (1) is also provided with a sensor (7) for detecting the movement of the hubs above the hub support (3), and a limit telescopic (8) for limiting the transport of the hubs is provided below the conveyor table (2).
3. Positioning device for on-line detection of automobile hubs according to claim 1, characterized in that the centering mechanism (6) comprises a plurality of centering roller assemblies arranged on both sides of the hub support (3) and a centering roller telescopic assembly (9) driving the centering roller assemblies on both sides to move relatively, the centering roller assemblies comprising a roller mounting frame (10) and a roller (11) pivoted on the roller mounting frame (10).
4. A positioning device for on-line detection of automobile hubs according to claim 3, characterized in that the centering roller telescopic assembly (9) comprises a centering roller telescopic member (12), a gear (13) and two racks (14), wherein two sides of the gear (13) are respectively meshed with one end of one rack (14), the other end of the rack (14) is fixedly connected with the roller mounting frame (10), and the telescopic end of the centering roller telescopic member (12) is fixedly connected with one rack (14).
5. The positioning device for on-line detection of automobile hubs according to claim 4, characterized in that the centering roller telescopic assembly (9) comprises a centering slide block (15) and a centering slide rail (16), the roller mounting frame (10) is fixedly connected with the centering slide block (15), and the centering slide block (15) is matched with the centering slide rail (16).
6. The positioning device for on-line detection of automobile hubs according to any one of claims 1-5, characterized in that a telescopic guiding mechanism is further installed on the frame (1), the telescopic guiding mechanism comprises a guiding rod (17), a driving plate (18) and a guiding sleeve (19), the guiding sleeve (19) is circumferentially installed on the driving plate (18), the guiding sleeve (19) is in sliding connection with the guiding rod (17), and the rotary driving piece (4) is installed on the driving plate (18) through a supporting rod (20).
7. Positioning device for on-line detection of automobile hubs according to any of claims 1-5, characterized in that the top of the hub support (3) is provided with a hub support flange (21), a bidirectional telescopic support (22) is arranged below the hub support flange (21), and the telescopic ends on both sides of the bidirectional telescopic support (22) are provided with arc blocks (23) for abutting against the inner wall of the hub central hole.
8. Positioning device for on-line detection of automobile hubs according to any of claims 1-5, characterized in that the telescopic drive (5) comprises a first servomotor and an electric cylinder in transmission connection with each other.
9. Positioning device for on-line detection of automobile hubs according to any of the claims 1-5, characterized in that the rotary drive (4) is a second servomotor, the output shaft of which is in transmission with the rotation shaft of the hub support (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320035025.XU CN219573517U (en) | 2023-01-06 | 2023-01-06 | Positioning device for on-line detection of automobile hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320035025.XU CN219573517U (en) | 2023-01-06 | 2023-01-06 | Positioning device for on-line detection of automobile hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219573517U true CN219573517U (en) | 2023-08-22 |
Family
ID=87663877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320035025.XU Active CN219573517U (en) | 2023-01-06 | 2023-01-06 | Positioning device for on-line detection of automobile hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219573517U (en) |
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2023
- 2023-01-06 CN CN202320035025.XU patent/CN219573517U/en active Active
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