CN111237432B - Error-proof identification control method and device for automatic assembly of friction plate set of gearbox - Google Patents
Error-proof identification control method and device for automatic assembly of friction plate set of gearbox Download PDFInfo
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- CN111237432B CN111237432B CN202010128688.7A CN202010128688A CN111237432B CN 111237432 B CN111237432 B CN 111237432B CN 202010128688 A CN202010128688 A CN 202010128688A CN 111237432 B CN111237432 B CN 111237432B
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- friction plate
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- steel sheet
- error
- identification control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H2057/0056—Mounting parts arranged in special position or by special sequence, e.g. for keeping particular parts in his position during assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H2057/0062—Tools specially adapted for assembly of transmissions
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a mistake-proofing identification control method for automatic assembly of a friction plate group of a gearbox, which comprises the steps of identifying different structural characteristics of the friction plate, a steel sheet and a stop steel sheet according to the shapes of the friction plate, the steel sheet and the stop steel sheet, photographing the stacked friction plate group by a camera according to a set sequence, comparing the photographed friction plate group with a standard sample of the friction plate group in the step, and detecting the assembly of the steel sheet, the friction plate and the stop steel sheet. The defect that manual dust collection cannot cover 360 degrees can be avoided; wrong installation, neglected installation and multiple installation are effectively prevented; the manual operation workload is reduced, the station beat is obviously reduced, the working efficiency can be improved, and the productivity is increased.
Description
Technical Field
The invention belongs to the technical field of automatic gearboxes, and particularly relates to a mistake-proofing identification control method and device for automatic assembly of a gearbox friction plate set.
Background
As shown in fig. 1, a friction plate set in an automatic transmission includes: the brake device generally comprises 3 parts including a friction plate, a steel sheet and a stop steel sheet, wherein 1 stop steel sheet is provided, and the friction plate and the steel sheet are the same in number; generally, the following steps are performed from bottom to top in sequence: steel sheet-friction sheet-stop steel sheet.
As shown in fig. 2, the brake also comprises a single paper-based friction plate, 1 stop/adjusting steel sheet, 2 single paper-based friction plates, a plurality of friction plates and a steel sheet, wherein the number of the friction plates is 1 more than that of the steel sheet; generally, the following steps are performed from bottom to top in sequence: single paper base friction plate (paper base on bottom) -friction plate-steel plate-friction plate-single paper base friction plate (paper base on top) -stop steel plate.
The front and back surfaces of the friction plate are both provided with paper-based materials; the front and back surfaces of the steel sheet are not provided with paper-based materials; single paper based friction plate: only one side has paper base material; stopping steel sheets: both front and back sides are free of paper based material.
During actual assembly, the paper-based material is required to be in contact with the steel sheet, the paper-based material is in contact with other parts, paper-based particles are easy to fall off, the automatic gearbox has very high requirement on cleanliness, and once impurities of the gearbox enter, the performance of the gearbox is easy to lose efficacy; when the conventional manual dust collection is carried out, more paper-based impurities can fall off due to the fact that the friction sheet set is taken. And the friction disc assembly has the direction requirement, also has the assembly order requirement, because of the friction disc group part is more in quantity, some can reach more than 15, hardly realize the mistake proofing of every piece during manual assembly, manual identification has wrong dress, neglected loading, many dress risks, influences the gearbox performance.
Disclosure of Invention
The invention aims to solve the technical problem of providing a mistake-proofing identification control method and a mistake-proofing identification control device for automatic assembly of a friction plate group of a gearbox, overcoming the defects of the existing control method,
in order to solve the technical problems, the technical scheme of the invention is as follows: the error-proofing identification control method for automatic assembly of the friction plate set of the gearbox is characterized by comprising the following steps of:
according to the shapes of the friction plate, the steel sheet and the stop steel sheet, different structural characteristics of the friction plate, the steel sheet and the stop steel sheet are recognized, 1 friction plate is stacked according to a set sequence, the camera shoots the stacked friction plate group, then the pictures are compared with the standard sample of the friction plate group in the step, and the assembly of the steel sheet, the friction plate and the stop steel sheet is detected.
An optimization scheme is characterized in that the automatic assembly process of the gearbox friction plate set by adopting the error-proof identification control method comprises the following steps:
and controlling the first group of positioning members to be in a stacking position, controlling the second positioning member to be in a dust absorption cleaning position, grabbing the steel sheet, the friction sheet or the stop steel sheet according to a set sequence, and controlling the steel sheet, the friction sheet or the stop steel sheet by the camera according to the set sequence in a mistake-proof identification manner.
An optimization scheme, further comprising:
after the friction plate assembly is finished, the camera performs error-proof identification control on the friction plate set;
after the identification is correct, the rotating middle shaft is controlled to rotate 180 degrees, the tray drives the first group of positioning members after the stacking is completed to be located at a dust collection cleaning position, the air nozzle and the suction nozzle of the dust collector are controlled to be started, the friction plate group on the first group of positioning members is cleaned through dust collection, and meanwhile the second positioning member starts to stack the next group of friction plate group at the stacking position.
An optimization scheme, further comprising:
after dust collection and cleaning, the thickness of the friction plate set is measured by the measuring device, and the friction plate set is assembled to the clutch hub after the thickness is qualified.
An optimization scheme, further comprising:
the steel sheet, the stop steel sheet and the friction sheet are arranged between the internal tooth positioning column and the external tooth positioning column.
Based on the error-proofing identification control method, the device for implementing the error-proofing identification control method comprises a stacking and positioning device and a photographing error-proofing device, wherein the photographing error-proofing device is arranged above the side of the stacking and positioning device, an air nozzle is arranged above the stacking and positioning device, a dust collector suction nozzle is arranged below the stacking and positioning device, and a measuring device is arranged on one side of the stacking and positioning device.
In an advantageous embodiment, the stacking and positioning device comprises a tray:
the tray is provided with a rotating middle shaft, a first positioning component and a second positioning component are arranged on the tray, and the first positioning component and the second positioning component are symmetrically arranged on two sides of the rotating middle shaft.
According to the optimization scheme, a stacking position and a dust collection cleaning position are arranged on two sides of a rotary middle shaft, and a first positioning component and a second positioning component are located at positions corresponding to the stacking position and the dust collection cleaning position.
The first positioning member and the second positioning member respectively comprise a positioning center, a pair of inner tooth positioning columns and a pair of outer tooth positioning columns are symmetrically arranged on the circumference of which the positioning center is the circle center, the distance between the outer sides of the two inner tooth positioning columns is consistent with the inner teeth corresponding to the friction plate or the steel sheet, and the distance between the inner sides of the two outer tooth positioning columns is consistent with the outer teeth corresponding to the friction plate or the steel sheet.
An optimized solution, the photographic error-proofing device comprises:
the camera comprises a camera and a camera bracket for supporting the camera to rotate, and a photo sample required by each step of flow in the assembling process is stored in a memory of the camera.
By adopting the technical scheme, compared with the prior art, the invention has the following advantages:
(1) paper base material is because of contacting with other parts, the paper base granule that drops easily, and AT gearbox requires very high to the cleanliness, in case gearbox impurity gets into, causes the gearbox performance inefficacy easily. The automatic dust collection process is added, so that impurities can be effectively prevented from being attached to the surface of a part and entering the interior of a gearbox; designing a special positioning tool and a special suction head of a dust collector, and configuring a wind cutting nozzle, so that more impurities falling due to friction of the paper base caused by taking a friction plate group during manual dust collection can be avoided, and the defect that the manual dust collection cannot cover 360 degrees can be avoided;
(2) the friction plate assembly has direction requirements and assembly sequence requirements, and because the number of parts of the friction plate assembly is large, some parts can reach more than 15, the productivity is considered, the mistake proofing of each 1 part is difficult to realize through a sensor or a camera during manual assembly, and manual identification has wrong assembly, neglected assembly and multiple assembly risks, so that the performance of the gearbox is influenced. A special positioning tool is designed, the equipment is automatically assembled, and the mistake proofing is realized by matching with photographing, so that the misloading, neglected loading and multi-loading can be effectively prevented;
(3) the friction plate set is automatically assembled by the equipment, the workload of manual operation is reduced, the station beat is obviously reduced, the working efficiency can be improved, and the productivity is increased.
Drawings
FIG. 1 is a schematic diagram of a friction plate set in an automatic transmission;
FIG. 2 is a schematic diagram of another structure of a friction plate set in a conventional automatic transmission;
FIG. 3 is a schematic structural diagram of an automatic assembling device for a friction plate set of a gearbox in the embodiment of the invention;
FIG. 4 is a side view of an automatic assembling device for friction plate sets of a gearbox in an embodiment of the invention;
FIG. 5 is a schematic structural diagram of a stacking and positioning device according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a photographic error proofing apparatus according to an embodiment of the present invention;
FIG. 7 is a side view of FIG. 6;
in the figure, the position of the upper end of the main shaft,
1-frame, 2-measuring and positioning device, 3-dust collector nozzle, 4-stacking and positioning device, 5-measuring device, 6-air nozzle, 7-stock bin, 8-photographic error-proofing device, 9-clamping jaw, 10-first positioning component, 11-second positioning component, 12-tray, 13-rotating middle shaft, 14-fixing plate, 15-positioning center, 16-internal tooth positioning column, 17-external tooth positioning column, 18-stacking position, 19-dust collection and cleaning position, 20-camera, 21-camera support.
Detailed Description
In order to more clearly understand the technical features, objects and effects of the present invention, the embodiments of the present invention will be described with reference to the accompanying drawings, and it will be understood by those skilled in the art that the following should not be construed as limiting the scope of the present invention.
In the embodiment, as shown in fig. 3-7, a mistake-proofing identification control method for automatic assembly of a friction plate group of a gearbox is provided, and the device for realizing the mistake-proofing identification control method comprises a stacking and positioning device 4 and a photographic mistake-proofing device 8, wherein the stacking and positioning device 4 and the photographic mistake-proofing device 8 are arranged on a frame 1 of the automatic assembly device for the friction plate group, the photographic mistake-proofing device 8 is arranged above the stacking and positioning device 4, an air nozzle 6 is arranged above the stacking and positioning device 4, a dust collector suction nozzle 3 is arranged below the stacking and positioning device 4, a measuring and positioning device 2 is arranged on one side of the stacking and positioning device 4, a measuring device 5 is arranged on the measuring and positioning device 2, a bin 7 is arranged outside the photographic mistake-proofing device 8, and a clamping jaw 9 is further arranged on the frame 1.
The stacking and positioning device 4 comprises a tray 12, the tray 12 is provided with a rotating central shaft 13, a first positioning member 10 and a second positioning member 11 are arranged on the tray 12, the first positioning member 10 and the second positioning member 11 are symmetrically arranged on two sides of the rotating central shaft 13, a stacking position 18 and a dust-absorbing cleaning position 19 are arranged on two sides of the rotating central shaft 13, the first positioning member 10 and the second positioning member 11 are positioned corresponding to the stacking position 18 and the dust-absorbing cleaning position 19, the first positioning member 10 and the second positioning member 11 respectively comprise a fixed plate 14, a positioning center 15 is arranged on the fixed plate 14, two pairs of positioning columns are arranged on the circumference with the positioning center 15 as the center, each pair of positioning columns are symmetrically arranged along the positioning center 15, one pair of positioning columns are inner-tooth positioning columns 16, the other pair of positioning columns are outer-tooth positioning columns 17, the distance between the outer sides of the two inner-tooth positioning columns 16 is consistent with a friction plate or corresponding inner teeth, the distance between the inner sides of the two outer tooth positioning columns 17 is consistent with the corresponding outer teeth of the friction plates or the steel plates.
When the first positioning member 10 is at the stacking position 18, the second positioning member 11 is at the dust collection cleaning position 19, the friction plate group is stacked on the first positioning member 10, the last friction plate group which is already stacked collects dust on the second positioning member 11, the rotating central shaft 13 rotates 180 degrees after stacking, and at the moment, the friction plate group on the second positioning member 11 also collects dust and is taken away manually; the second locating member 11 is then in the stacking position 18, the first locating member 10 is in the dust cleaning position 19, the second locating member 11 begins stacking the next set of friction plate sets, the first locating member 10 begins dust cleaning the previous set of friction plates, and the cycle repeats the above operations.
The camera error-proofing device 8 comprises a camera 20 and a camera support 21 for supporting the camera 20 to rotate, and a photo sample required by each step of the assembly process is stored in the memory of the camera 20.
The error-proofing identification control method comprises the following steps:
according to the shape difference of the friction plate, the steel sheet and the stop steel sheet, different characteristic points of the friction plate are identified, for example, the teeth directions of the friction plate and the steel sheet/the stop steel sheet are opposite, the stop steel sheet has steps, the steel sheet has no steps, and the like, 1 steel sheet is stacked in sequence, the camera 20 takes pictures according to the stacking sequence (including multi-angle shooting under the support of the camera support 21), then, according to correct samples stored in the camera, whether the steel sheet, the friction plate and the stop steel sheet have errors of misloading, multi-loading, few-loading and sequence or not is identified and judged, and if the errors exist, an alarm prompt is given.
The automatic assembly process comprises the following steps:
after the device is started, the first group of positioning components 10 are located at the stacking position 18, the second positioning components 11 are located at the dust absorption cleaning position 19, the clamping jaws 9 are controlled to take the steel sheets from the storage bin 7, the steel sheets are placed on the first group of positioning components 10, then the cameras 20 are controlled to perform error-proof identification control on the steel sheets, the clamping jaws 9 take the friction sheets after correct identification, the friction sheets are placed on the steel sheets of the first group of positioning components 10, the cameras 20 perform error-proof identification control, the clamping jaws 9 continue to take the steel sheets after correct identification, the steel sheets are placed on the friction sheets of the first group of positioning components 10, and then the cameras 20 perform error-proof identification control;
after the steel sheets and the friction plates are assembled, a camera 20 performs photographing error-proofing identification control, finally a clamping jaw 9 takes a stopping steel sheet, the stopping steel sheet is placed on the friction sheets of a first group of positioning members 10, the camera 20 performs integral error-proofing identification control, after correct identification is achieved, a rotating central shaft 13 is controlled to rotate 180 degrees, a tray 12 drives the first group of positioning members 10 after stacking is completed to be located at a dust collection cleaning position 19, a second positioning member 11 starts stacking of a next group of friction sheet groups at a stacking position 18, an air nozzle 6 and a dust collector suction nozzle 3 are controlled to be started simultaneously, dust collection is performed on the friction sheet groups on the first group of positioning members 10, the friction sheet groups are manually taken to a measurement positioning device 2 after dust collection is performed, a measurement device 5 measures the thickness of the friction sheet groups, and the qualified friction sheet groups are taken and assembled to a clutch hub.
The above operations are cyclically repeated.
In the above steps, the steel sheet, the stop steel sheet and the friction sheet are all fixed between the internal tooth positioning column 16 and the external tooth positioning column 17.
The foregoing is illustrative of the best mode of the invention and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The scope of the present invention is defined by the appended claims, and any equivalent modifications based on the technical teaching of the present invention are also within the scope of the present invention.
Claims (9)
1. The error-proofing identification control method for automatic assembly of the friction plate set of the gearbox is characterized by comprising the following steps of:
identifying different structural characteristics of the friction plate, the steel sheet and the stop steel sheet according to the shapes of the friction plate, the steel sheet and the stop steel sheet, photographing the stacked friction plate group by a camera every time 1 friction plate is stacked according to a set sequence, comparing the photographed friction plate group with the standard friction plate group sample obtained in the step, and detecting the assembly of the steel sheet, the friction plate and the stop steel sheet;
the automatic assembly process of the friction plate set of the gearbox by adopting the error-proof identification control method comprises the following steps:
the first group of positioning components (10) are controlled to be in a stacking position, the second positioning components (11) are controlled to be in a dust absorption cleaning position, the steel sheets, the friction sheets or the stop steel sheets are grabbed according to a set sequence, and the cameras perform error-proofing identification control on the steel sheets, the friction sheets or the stop steel sheets according to the set sequence.
2. The error-proofing identification control method for automatic assembly of a friction plate set of a gearbox according to claim 1, characterized by further comprising:
after the friction plate assembly is finished, the camera performs error-proof identification control on the friction plate set;
after the identification is correct, the rotating middle shaft (13) is controlled to rotate 180 degrees, the tray (12) drives the first group of positioning components (10) after the stacking is completed to be located at a dust collection cleaning position, the air nozzle (6) and the dust collector suction nozzle (3) are controlled to be started, the friction plate group on the first group of positioning components (10) is cleaned through dust collection, and meanwhile the second positioning component (11) starts to stack the next group of friction plate group at the stacking position.
3. The error-proofing identification control method for automatic assembly of a friction plate set of a gearbox according to claim 2, characterized by further comprising:
after dust collection and cleaning, the thickness of the friction plate set is measured by the measuring device (5), and the friction plate set is assembled to the clutch hub after the thickness is qualified.
4. The error-proofing identification control method for automatic assembly of a friction plate set of a gearbox according to claim 1, characterized by further comprising:
the steel sheet, the stop steel sheet and the friction sheet are arranged between the internal tooth positioning column and the external tooth positioning column.
5. Device for implementing the error-proof identification control method according to claim 1, characterized by comprising a stack positioning device (4) and a photo error-proof device (8), wherein the photo error-proof device (8) is arranged above the side of the stack positioning device (4), an air nozzle (6) is arranged above the stack positioning device (4), a dust collector nozzle (3) is arranged below the stack positioning device (4), and a measuring device (5) is arranged at one side of the stack positioning device (4).
6. The device according to claim 5, characterized in that the stack positioning means (4) comprise a tray (12): the tray (12) is provided with a rotating middle shaft (13), the tray (12) is provided with a first positioning component (10) and a second positioning component (11), and the first positioning component (10) and the second positioning component (11) are symmetrically arranged on two sides of the rotating middle shaft (13).
7. The apparatus of claim 6, wherein: the two sides of the rotary middle shaft (13) are provided with a stacking position and a dust collection cleaning position, and the positions of the first positioning component (10) and the second positioning component (11) correspond to the stacking position and the dust collection cleaning position.
8. The apparatus of claim 6, wherein: the first positioning member (10) and the second positioning member (11) respectively comprise a positioning center, a pair of inner tooth positioning columns and a pair of outer tooth positioning columns are symmetrically arranged on the circumference taking the positioning center as the circle center, the distance between the outer sides of the two inner tooth positioning columns is consistent with the inner teeth corresponding to the friction plate or the steel sheet, and the distance between the inner sides of the two outer tooth positioning columns is consistent with the outer teeth corresponding to the friction plate or the steel sheet.
9. The device according to claim 5, characterized in that the photographic error protection means (8) comprise:
the camera comprises a camera and a camera bracket for supporting the camera to rotate, and a photo sample required by each step of flow in the assembling process is stored in a memory of the camera.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010128688.7A CN111237432B (en) | 2020-02-28 | 2020-02-28 | Error-proof identification control method and device for automatic assembly of friction plate set of gearbox |
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| CN202010128688.7A CN111237432B (en) | 2020-02-28 | 2020-02-28 | Error-proof identification control method and device for automatic assembly of friction plate set of gearbox |
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| CN111237432A CN111237432A (en) | 2020-06-05 |
| CN111237432B true CN111237432B (en) | 2021-08-03 |
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| CN114113147B (en) * | 2021-11-17 | 2024-05-14 | 佛山市南海区广工大数控装备协同创新研究院 | Multilayer PCB lamination information extraction and hierarchical fool-proof detection method |
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| EP1473488A2 (en) * | 2003-04-30 | 2004-11-03 | Toyoda Koki Kabushiki Kaisha | Combination of drive power transmission device and differential gear and manufacturing method therefor |
| CN101876542A (en) * | 2009-04-28 | 2010-11-03 | 沈阳新松机器人自动化股份有限公司 | Detecting machine for detecting friction plate group assembly of automatic shift gearbox brake |
| CN207184955U (en) * | 2017-07-24 | 2018-04-03 | 黄石沪士电子有限公司 | A kind of PCB presses lamination mistake proofing stacking device |
| CN110394649A (en) * | 2019-08-09 | 2019-11-01 | 上海先惠自动化技术股份有限公司 | A kind of battery core automatic stacking device |
| CN110977467A (en) * | 2019-12-31 | 2020-04-10 | 盛瑞传动股份有限公司 | Automatic assembling method and device for friction plate set of gearbox |
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2020
- 2020-02-28 CN CN202010128688.7A patent/CN111237432B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1473488A2 (en) * | 2003-04-30 | 2004-11-03 | Toyoda Koki Kabushiki Kaisha | Combination of drive power transmission device and differential gear and manufacturing method therefor |
| CN101876542A (en) * | 2009-04-28 | 2010-11-03 | 沈阳新松机器人自动化股份有限公司 | Detecting machine for detecting friction plate group assembly of automatic shift gearbox brake |
| CN207184955U (en) * | 2017-07-24 | 2018-04-03 | 黄石沪士电子有限公司 | A kind of PCB presses lamination mistake proofing stacking device |
| CN110394649A (en) * | 2019-08-09 | 2019-11-01 | 上海先惠自动化技术股份有限公司 | A kind of battery core automatic stacking device |
| CN110977467A (en) * | 2019-12-31 | 2020-04-10 | 盛瑞传动股份有限公司 | Automatic assembling method and device for friction plate set of gearbox |
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