CN210588486U - Intelligent polishing machine for PCD holes of aluminum alloy wheel hub - Google Patents
Intelligent polishing machine for PCD holes of aluminum alloy wheel hub Download PDFInfo
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- CN210588486U CN210588486U CN201921527864.3U CN201921527864U CN210588486U CN 210588486 U CN210588486 U CN 210588486U CN 201921527864 U CN201921527864 U CN 201921527864U CN 210588486 U CN210588486 U CN 210588486U
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- hub
- aluminum alloy
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- 238000005498 polishing Methods 0.000 title claims abstract description 110
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 18
- 238000007664 blowing Methods 0.000 claims description 17
- 230000008859 change Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 5
- 238000007667 floating Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001651 emery Inorganic materials 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 210000000707 wrist Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model discloses an aluminum alloy wheel hub PCD hole intelligence polisher, it includes conveyor, lift clamping device, CCD device, the robot of shooing, sets up at the module of polishing, the module of polishing head change of robot expansion end, and the module of polishing is including setting up at the mounting bracket of robot expansion end, fixing the electric rotating head on the mounting bracket, setting up at the pneumatic unsteady main shaft of electric rotating head rotation end, setting up the polishing head at the pneumatic main shaft expansion end that floats. The utility model discloses can be applicable to the wheel hub of multiple model and polish, and according to the automatic switching of the procedure of polishing of product model of CCD camera discernment, every product of polishing compensates the wearing and tearing of polishing head automatically, can also polish the head according to the automatic change of the number of times of polishing, and the precision of polishing is high, polish effectually, replaces the manual work to save a large amount of operators to prevent to polish the influence that the dust is healthy to the operator.
Description
Technical Field
The utility model belongs to the technical field of the equipment of polishing, especially, relate to an aluminum alloy wheel hub PCD hole intelligence polisher.
Background
The PCD hole of the automobile hub needs to be polished after the automobile hub is machined, and the model sizes of the wheel hubs are various due to the difference of various automobile models, so that how to improve the intelligence and the universality of polishing equipment becomes a research and development hotspot direction. In the prior art, no polishing equipment for polishing the PCD holes of the wheel hub exists. In the prior art, some polishing methods are disclosed, although not aiming at PCD holes, a visual recognition system is also provided for recognizing the model of a hub, a model mark is arranged on a tool for bearing the hub, the model of the hub is obtained by recognizing the mark through the visual system, and then a polishing scheme of the hub with the model is called to position and polish the hub; however, the structure of each part of the hub has some processing errors in the processing process, and if how to position and polish the hub is determined according to the model mark, the polishing precision and the polishing effect cannot meet the requirements; and in severe cases, the drive spindle may be damaged. The PCD holes in the hub are uniformly distributed in an annular manner, and the horizontal arrangement angles of the hub from the conveying line are different, so that the first PCD hole can not be ensured to be aligned to the grinding head when the hub comes from the conveying line; and after the polishing head polishes for many times, the diameter of the grinding wheel can be gradually reduced, and if the grinding wheel is not timely replaced, the polishing is ineffective, and the polishing effect is influenced.
Therefore, a new intelligent PCD hole grinding machine for aluminum alloy hubs is needed to solve the problems.
Disclosure of Invention
The utility model discloses a main aim at provides an aluminum alloy wheel hub PCD hole intelligence polisher, the wheel hub that can be applicable to multiple model is polished, and carries out the switching of the procedure of polishing automatically, can also polish the wearing and tearing of head and to setting for the number of times of polishing automatic compensation according to polishing the number of times and change automatically and polish the head after, the precision of polishing is high, polish effectually.
The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides an aluminum alloy wheel hub PCD hole intelligence polisher, it includes conveyor, is located lift clamping device on the conveyor transportation route, be located CCD camera device, the setting that conveyor got into the end top are in robot, setting on one side of lift clamping device the module, the setting of polishing of robot expansion end are in the module is changed to the polishing head on one side of the robot, the module of polishing is including setting up the mounting bracket of robot expansion end, fixing electric rotating head, setting on the mounting bracket are in the pneumatic main shaft that floats, the setting of electric rotating head rotation end are in the polishing head of pneumatic main shaft expansion end that floats.
Furthermore, the lifting clamping device comprises a lifting cylinder, a first movable plate driven by the lifting cylinder to move up and down, a servo motor fixed on the first movable plate, a second movable plate driven by the servo motor to rotate, a clamping cylinder fixed on the second movable plate, and a clamping block driven by the clamping cylinder to move towards the middle or open outwards, wherein the clamping block is driven by the lifting cylinder to switch between the upper part and the lower part of the conveying device.
Further, a distance measuring device is installed on the installation frame.
Furthermore, the distance measuring device is a laser distance measuring sensor, an infrared distance measuring sensor or an ultrasonic distance measuring sensor.
Furthermore, a first blowing head for blowing the central hole of the hub and a second blowing head for blowing the PCD hole are mounted on the mounting frame.
Furthermore, the polishing head replacing module comprises a support, a rotary cylinder fixed on the support, a supporting plate driven by the rotary cylinder to rotate for 180 degrees horizontally and used for bearing the polishing head, a guide sliding groove fixed beside the support and a collecting box arranged at the tail end of the guide sliding groove.
Compared with the prior art, the utility model relates to an aluminum alloy wheel hub PCD hole intelligence polisher's beneficial effect lies in: the design shape of the wheel hub is obtained by arranging a CCD photographing device, the outline diameter, the height and the number of PCD holes are used for identifying the model of the input wheel hub, a polishing program corresponding to the model wheel hub in a database is called out according to the model of the wheel hub, a laser ranging sensor is used for scanning a circle along the circumference of the wheel hub to find out a reference positioning hole, a first PCD hole which is arranged on the same radius together with the reference positioning hole is found out according to the reference positioning hole, polishing is carried out again, accurate polishing is realized by simulating the wrist twisting action of a person according to the shape of the PCD hole, the whole process is very intelligent, the automatic polishing device is suitable for automatic polishing of various model wheel hubs, manual adjustment is not needed, a polishing robot can realize automatic identification, automatic calling out of the program and automatic adjustment; the polishing module adopts a pneumatic floating main shaft structure, so that the polishing head has a self-adaptive floating function within the range of 360 degrees, the polishing problem caused by machining errors is effectively solved through the pneumatic floating main shaft structure and the first PCD hole acquisition mode, a large amount of manpower is saved, the health of personnel is protected, the production efficiency is improved, the polishing precision and the polishing effect are improved, and green production is realized; the number of times of polishing count has been set up in the procedure to combine the polishing head to change the module and realize the fixed time of polishing head and change, further guarantee polishing precision and polishing effect.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of the lifting and clamping device in the embodiment of the present invention;
fig. 3 is a schematic structural view of a polishing module according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a polishing head replacement module according to an embodiment of the present invention;
fig. 5 is a schematic position diagram of a reference positioning hole and a corresponding PCD hole in a wheel hub according to an embodiment of the present invention;
the figures in the drawings represent:
100 an aluminum alloy hub PCD hole intelligent grinding machine; 101, a hub; 102 referring to the positioning hole; 103PCD holes;
1, a conveying device; 2, a lifting clamping device, 21 a lifting cylinder, 22 a first movable plate, 23 a servo motor, 24 a second movable plate, 25 a clamping cylinder, 26 a clamping block, 27 a circular arc surrounding blocking surface and 28 a rubber roller;
3, a CCD camera; 4, a robot;
5, a polishing module, a 51-mounted frame, a 52-electric rotating head, a 53-pneumatic floating main shaft, a 54-polishing head, a 55-distance measuring device, a 56-first blowing head and a 57-second blowing head;
6 sanding head change module, 61 support, 62 revolving cylinder, 63 backup pads, 64 direction spouts, 65 collection box, 66U type opening, 67 sanding head.
Detailed Description
Example (b):
referring to fig. 1-5, the present embodiment is an intelligent polishing machine 100 for PCD holes of aluminum alloy hubs, which includes a conveying device 1, a lifting clamping device 2 located on a transportation path of the conveying device 1, a CCD camera 3 located above an entrance end of the conveying device 1, a robot 4 disposed beside the lifting clamping device 2, a polishing module 5 disposed at an active end of the robot 4, and a polishing head replacing module 6 disposed beside the robot 4.
The lifting clamping device 2 comprises a lifting cylinder 21, a first movable plate 22 driven by the lifting cylinder 21 to move up and down, a servo motor 23 fixed on the first movable plate 22, a second movable plate 24 driven by the servo motor 23 to rotate, a clamping cylinder 25 fixed on the second movable plate 24, and a clamping block 26 driven by the clamping cylinder 25 to move towards the middle or open outwards, wherein the clamping block 26 is driven by the lifting cylinder 21 to switch between the upper part and the lower part of the conveying device 1. When the wheel hub reaches the position of the lifting clamping device 2 along with the conveying device 1, the lifting cylinder 21 drives the first movable plate 22 to ascend, so that the wheel hub is lifted to be separated from the surface of the conveying device 1, and then the clamping cylinder 25 starts to drive the clamping block 26 to move towards the middle to clamp the periphery of the wheel hub; in the polishing process, when the hub needs to be rotated to polish the next PCD hole, the servo motor 23 drives the hub to rotate by a set angle.
The clamping block 26 is provided with an arc surrounding blocking surface 27 which is profiled with the circumferential surface of the hub and a rubber roller 28 which clamps the circumferential surface of the hub.
The CCD photographing device 3 obtains the design shape, the outer contour diameter, the height and the PCD hole number of the hub by photographing, and then retrieves and obtains the model of the hub by taking the data as indexes.
The grinding module 5 comprises an installation frame 51 arranged at the movable end of the robot 4, an electric rotating head 52 fixed on the installation frame 51, a pneumatic floating spindle 53 arranged at the rotating end of the electric rotating head 52, and a grinding head 54 arranged at the movable end of the pneumatic floating spindle 53. The polishing head 54 rotates at a high speed under the action of the electric rotating head 52, and self-adaptive floating within a range of 360 degrees is realized under the action of the pneumatic floating main shaft 53, so that the polishing precision and the polishing effect are guaranteed. The pneumatic floating main shaft 53 is commercially available and can realize automatic tool change.
The mounting frame 51 is provided with a distance measuring device 55, a first blowing head 56 and a second blowing head 57. The distance measuring device 55, the first blowing head 56 and the second blowing head 57 are distributed annularly. The distance measuring device 55 may employ a laser distance measuring sensor, an infrared distance measuring sensor, or an ultrasonic distance measuring sensor. In this embodiment, a laser ranging sensor. The outlet of the first blowing head 56 is located at the bottom most and is mainly used for blowing dust and grinding dust in the central hole of the hub. The second blow head 57 includes a blow port at the bottom and a plurality of blow ports distributed annularly for blowing the polishing dust and dust in the PCD hole.
After the wheel hub is clamped and fixed by the lifting clamping device 2, the robot 4 drives the mounting frame 51 to perform three-dimensional motion, the distance measuring device 55 is over against the wheel hub below, a circle is scanned along the circumferential profile of the wheel hub at a set height according to the model of the wheel hub and the height and diameter size of the wheel hub, which are acquired by the CCD photographing device 3, and a reference positioning hole arranged on the upper surface of the inner ring of the circumferential profile of the wheel hub is found when the distance measuring device 55 detects that the height data changes; then, with the reference positioning hole as a reference and drawing information of the wheel hub of the model in a database, the robot 4 drives the polishing module 5 to move to a PCD hole position corresponding to the reference positioning hole, the polishing head 54 is right opposite to the wheel hub below, the polishing head 54 is used for polishing a first PCD hole through the action of the electric rotating head 52 and the pneumatic floating main shaft 53, if a machining error exists, self-adjustment can be carried out through the floating action of the pneumatic floating main shaft 53, and the polishing effect and protection on the main shaft are guaranteed; after the first PCD hole is polished, the polishing head 54 is lifted, and then the lifting clamping device 2 drives the hub to rotate for a set angle, wherein the set angle is set according to the drawing information of the hub of the model in the database; the polishing head 54 descends to polish the second PCD hole, and so on until all PCD holes are polished; the lifting and lowering gripper 2 then releases the grip on the hub and places it on the conveyor 1 for output.
The sanding head replacement module 6 includes a bracket 61, a rotary cylinder 62 fixed to the bracket 61, a support plate 63 driven by the rotary cylinder 62 to rotate horizontally by 180 °, a guide chute 64 fixed to the side of the bracket 61, and a collection box 65 provided at the end of the guide chute 64. A plurality of U-shaped openings 66 are formed at opposite sides of the supporting plate 63, and a plurality of new polishing heads 67 are placed on the U-shaped openings 66. In an initial state, manually filling all the U-shaped openings 66 on one side of the supporting plate 63 with polishing heads 67, then driving the supporting plate 63 to rotate 180 degrees by the rotating cylinder 62 to a polishing head taking position, and waiting for the robot 4 to automatically mount a new polishing head to the tail end of the pneumatic floating main shaft 53; when the grinding frequency of one grinding head reaches the set frequency, the movable end of the robot 4 moves to the position above the guide chute 64, the grinding head is thrown into the guide chute 64 and slides into the collection box 65, and then a new grinding head is replaced; in the polishing process, an operator can fully supply the polishing heads to all the U-shaped openings 66 on the other side, and after the polishing head at the position of the polishing head is completely taken, the rotary cylinder 62 rotates the side where the polishing head is fully placed for supplying. One side of the supporting plate 63 is arranged outside the protective net, and the other side of the supporting plate is arranged inside the protective net, so that when one side of the inner side is taken out at the polishing head, the supporting plate rotates to the outer side of the protective net to allow an operator to supply the polishing head.
The controller for controlling the robot in this embodiment inputs information on hubs of various models and polishing programs for hubs of corresponding models, and the information includes information on the outer contour size of the hub, the relative position coordinates from the reference positioning hole to the first PCD hole, the angles of two adjacent PCD holes, the number of PCD holes, and the like, and according to the information, how to perform circumferential scanning movement on the outer contour of the hub, how to move the outer contour from the reference positioning hole to the first PCD hole, the height of the polishing head to descend, and the like.
The embodiment also provides an intelligent polishing method for PCD holes of the aluminum alloy hub, which comprises the following steps:
1) providing a conveying device 1 to realize automatic input and output of a hub, arranging a reference positioning hole 102 at the upper part of the inner ring of the circumference of the hub 101, wherein the reference positioning hole 102 and one PCD hole 103 are positioned on the same radius of the hub;
2) a CCD photographing device 3 is arranged above the input end of the conveying device 1 to identify the type of the input hub; specifically, the model of the hub is determined by obtaining the design shape, the size and the height of the circumferential diameter and the number of PCD holes of the hub;
3) a lifting clamping device 2 is arranged on the conveying device 1 to center, position and clamp and fix the input wheel hub;
4) calling out a corresponding motion control program in a database according to the hub model acquired by the CCD photographing device 3;
5) providing a distance measuring device 55, scanning along the peripheral outline of the wheel hub of the model until the distance measuring device 55 detects the position of the reference positioning hole 102; the distance measuring device 55 is a laser distance measuring sensor, an infrared distance measuring sensor or an ultrasonic distance measuring sensor;
6) taking the position of the reference positioning hole 102 as an initial position, moving the polishing head 54 to be above the position of the first PCD hole according to the distance between the reference positioning hole 102 in the model hub and the corresponding first PCD hole in the database, determining the descending height of the polishing head 54 according to the height of the model hub, and polishing;
7) after the first PCD hole is polished, the hub rotates by a set angle to polish the next PCD hole until all PCD holes are completely polished; counting once every time one wheel hub is polished, judging whether the polishing frequency reaches a set frequency, if not, continuously polishing the next wheel hub, and if so, automatically replacing the polishing head;
8) when above-mentioned number of times of polishing reaches another and sets for the number of times, when carrying out next wheel hub and polish, carry out automatic compensation, after the number of times of polishing is too much, the diameter of emery wheel can diminish, but the emery wheel still can not be the number of times of changing, consequently, in order to ensure the effect of polishing, robot 4 can drive the head 54 of polishing and set for the circular motion of radius size, and its circular motion's radius is the offset promptly, utilizes this offset to compensate the wearing and tearing of head of polishing to guarantee dynamics of polishing and the effect of polishing.
The sanding head 54 is mounted on a device for automatic mounting and dismounting of the sanding head, which in this embodiment is a pneumatic floating spindle, and is equipped with a sanding head replacement module 6 for replenishment and recycling of the sanding head.
The intelligent polisher 100 for the PCD holes of the aluminum alloy wheel hub has the beneficial effects that: the design shape of the wheel hub is obtained by arranging a CCD photographing device, the outline diameter, the height and the number of PCD holes are used for identifying the model of the input wheel hub, a polishing program corresponding to the model wheel hub in a database is called out according to the model of the wheel hub, a laser ranging sensor is used for scanning a circle along the circumference of the wheel hub to find out a reference positioning hole, a first PCD hole which is arranged on the same radius together with the reference positioning hole is found out according to the reference positioning hole, polishing is carried out again, accurate polishing is realized by simulating the wrist twisting action of a person according to the shape of the PCD hole, the whole process is very intelligent, the automatic polishing device is suitable for automatic polishing of various model wheel hubs, manual adjustment is not needed, a polishing robot can realize automatic identification, automatic calling out of the program and automatic adjustment; the polishing module adopts a pneumatic floating main shaft structure, so that the polishing head has a self-adaptive floating function within the range of 360 degrees, the polishing problem caused by machining errors is effectively solved through the pneumatic floating main shaft structure and the first PCD hole acquisition mode, a large amount of manpower is saved, the health of personnel is protected, the production efficiency is improved, the polishing precision and the polishing effect are improved, and green production is realized; the number of times of polishing count has been set up in the procedure to combine the polishing head to change the module and realize the fixed time of polishing head and change, further guarantee polishing precision and polishing effect.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (6)
1. The utility model provides an aluminum alloy wheel hub PCD hole intelligence polisher which characterized in that: it includes conveyor, is located lift clamping device on the conveyor transportation route, be located the CCD of conveyor entering end top is shot device, is set up robot, setting on one side of lift clamping device are in the module, the setting of polishing of robot expansion end are in the module is changed to the grinding head on one side of the robot, the module of polishing is including setting up the mounting bracket of robot expansion end, fixing electric rotating head, setting on the mounting bracket are in pneumatic unsteady main shaft, the setting of electric rotating head rotation end are in the grinding head of pneumatic unsteady main shaft expansion end.
2. The intelligent sander for PCD holes in an aluminum alloy hub of claim 1, wherein: the lifting clamping device comprises a lifting cylinder, a first movable plate driven by the lifting cylinder to move up and down, a servo motor fixed on the first movable plate, a second movable plate driven by the servo motor to rotate, a clamping cylinder fixed on the second movable plate, and a clamping block driven by the clamping cylinder to be closed to the middle or opened outwards, wherein the clamping block is driven by the lifting cylinder to be switched between the upper part and the lower part of the conveying device.
3. The intelligent sander for PCD holes in an aluminum alloy hub of claim 1, wherein: and the mounting frame is provided with a distance measuring device.
4. The intelligent sander for PCD holes in an aluminum alloy hub as set forth in claim 3, wherein: the distance measuring device is a laser distance measuring sensor, an infrared distance measuring sensor or an ultrasonic distance measuring sensor.
5. The intelligent sander for PCD holes in an aluminum alloy hub of claim 1, wherein: and a first blowing head for blowing the central hole of the hub and a second blowing head for blowing the PCD hole are arranged on the mounting frame.
6. The intelligent sander for PCD holes in an aluminum alloy hub of claim 1, wherein: the polishing head replacing module comprises a support, a rotary cylinder fixed on the support, a supporting plate driven by the rotary cylinder to rotate for 180 degrees horizontally and used for bearing the polishing head, a guide sliding groove fixed beside the support and a collecting box arranged at the tail end of the guide sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921527864.3U CN210588486U (en) | 2019-09-16 | 2019-09-16 | Intelligent polishing machine for PCD holes of aluminum alloy wheel hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921527864.3U CN210588486U (en) | 2019-09-16 | 2019-09-16 | Intelligent polishing machine for PCD holes of aluminum alloy wheel hub |
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| Publication Number | Publication Date |
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| CN210588486U true CN210588486U (en) | 2020-05-22 |
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| CN201921527864.3U Expired - Fee Related CN210588486U (en) | 2019-09-16 | 2019-09-16 | Intelligent polishing machine for PCD holes of aluminum alloy wheel hub |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111604599A (en) * | 2020-06-03 | 2020-09-01 | 苏州德佑昊自动化设备有限公司 | High-precision double-station hub laser coding machine |
| CN111975350A (en) * | 2020-08-07 | 2020-11-24 | 上海沪特航空技术有限公司 | Automatic assembling system and method for airplane wheel |
| CN113770848A (en) * | 2021-09-28 | 2021-12-10 | 芜湖赢诺液压科技有限公司 | Inner hole polishing equipment |
-
2019
- 2019-09-16 CN CN201921527864.3U patent/CN210588486U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111604599A (en) * | 2020-06-03 | 2020-09-01 | 苏州德佑昊自动化设备有限公司 | High-precision double-station hub laser coding machine |
| CN111975350A (en) * | 2020-08-07 | 2020-11-24 | 上海沪特航空技术有限公司 | Automatic assembling system and method for airplane wheel |
| CN111975350B (en) * | 2020-08-07 | 2022-10-21 | 上海沪特航空技术有限公司 | Automatic assembling system and method for airplane wheel |
| CN113770848A (en) * | 2021-09-28 | 2021-12-10 | 芜湖赢诺液压科技有限公司 | Inner hole polishing equipment |
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Granted publication date: 20200522 |