CN109128777B - Automatic assembling method for camshaft bush cover of engine - Google Patents
Automatic assembling method for camshaft bush cover of engine Download PDFInfo
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- CN109128777B CN109128777B CN201811198117.XA CN201811198117A CN109128777B CN 109128777 B CN109128777 B CN 109128777B CN 201811198117 A CN201811198117 A CN 201811198117A CN 109128777 B CN109128777 B CN 109128777B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
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Abstract
The invention provides an automatic assembling method of an engine camshaft bush cover, which comprises the following steps: step 1, preparing a tile cover; step 2, placing the tile cover on a workpiece for preassembly; and step 3, finishing assembly. Compared with the prior art, the invention has the following advantages: the method comprises the steps of automatically preparing materials, grabbing the tile cover to be assembled in advance for standby, and realizing the one-time automatic assembly function of all the tile covers by utilizing a position identification technology. Compared with the traditional tile cover assembling technology, the method has the advantages of high assembling efficiency, good screw tightening consistency and the like, and provides an effective solution for improving the production efficiency of an engine production line.
Description
Technical Field
The invention belongs to the field of assembling of automobile engine camshaft bush covers, relates to an automatic assembling method of an engine camshaft bush cover, and particularly relates to one-time automatic assembling of all bush covers on an automobile engine cylinder cover.
Background
On the existing automobile engine production line, although the automation of a certain degree is realized, a single process needs to be repeated for many times when repeated parts are assembled, so that the production efficiency of the automobile engine production line is greatly influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an automatic assembling method for a camshaft bush cover of an engine.
In order to solve the technical problem, the invention provides an automatic assembling method of an engine camshaft bush cover, which comprises the following steps:
step 1, preparing a tile cover; the tile cover includes: a small tile cover and a large tile cover; the step 1 comprises the following steps: step 1.1, placing a tile cover on a loading shelf; step 1.2, pushing the tile cover to a feeding mold on a feeding shelf by a pushing mechanism of the feeding shelf;
step 1.2 comprises:
step 1.2.1, a pushing mechanism pushes a tile cover;
step 1.2.2, detecting the tile cover;
if the detection is qualified, the step 1.2.3 is carried out;
if the detection is not qualified, the step 1.2.4 is carried out;
the step 1.2.2 comprises:
step 1.2.2.1, scanning the tile cover by a scanning mechanism and recording code scanning information;
step 1.2.2.2, comparing the code scanning information with the product information of the current tile cover through a terminal;
if the code scanning information is consistent with the product information, judging that the detection is qualified;
if the code scanning information is inconsistent with the product information, determining that the detection is unqualified;
in the automatic assembling method of the engine camshaft bush cover, the camshaft bush cover is conveyed to a pre-placed feeding mold (14) through pre-positioning, lifting a positioning workbench and confirming the photo-taking mistake-proofing function;
step 1.2.3, pushing the tile cover onto a feeding mold on a feeding shelf by a pushing mechanism;
step 1.2.4, stopping pushing by a pushing mechanism;
step 1.2.4 comprises:
step 1.2.4.1, stopping the pushing mechanism;
step 1.2.4.2, alarming;
step 1.3, placing screws in the tile cover;
step 1.3 comprises:
step 1.3.1, feeding screws for a push plate mechanism, and arranging the screws at equal intervals by a material distribution mechanism according to the center distance of tile covers;
step 1.3.2, the mechanical arm positions the screw into the screw hole of the tile cover through the guide rod of the screw;
step 2, placing the tile cover on a workpiece for preassembly;
the step 2 comprises the following steps:
2.1, a mechanical gripper of the material grabbing robot comprises a positioning system capable of identifying the position of a mold, and the positioning system identifies the position of a feeding mold;
2.2, placing the tile cover on each station on the workpiece through a mechanical gripper, and pre-assembling;
step 2.2 comprises:
step 2.2.1: each tile cover corresponds to one clamp on the mechanical gripper, the mechanical gripper grips the tile cover at one time, the tile cover is placed on the cylinder cover through the guide device, and the large tile cover and the small tile cover are preassembled at the same time;
step 3, finishing assembly;
the step 3 comprises the following steps:
step 3.1, assembling the current station through a screwing mechanism; a plurality of tightening shafts of the screw tightening machine slide downwards simultaneously to be tightened, and the tightening shafts have a pitch-changing function and can simultaneously meet the tightening of a small tile cover and a large tile cover;
step 3.2, detecting the assembled current station by using detection equipment;
if the detection is qualified, entering the step 3.3;
if the detection is not qualified, the step 3.4 is carried out;
3.3, the screwing mechanism is switched to the next station, and the step 3.1 is returned until the assembly of all stations is completed;
and 3.4, alarming.
Compared with the prior art, the invention has the following advantages: the method comprises the steps of automatically preparing materials, grabbing the tile cover to be assembled in advance for standby, and realizing the one-time automatic assembly function of all the tile covers by utilizing a position identification technology. Compared with the traditional tile cover assembling technology, the method has the advantages of high assembling efficiency, good screw tightening consistency and the like, and provides an effective solution for improving the production efficiency of an engine production line.
Drawings
Other characteristic objects and advantages of the invention will become more apparent upon reading the detailed description of non-limiting embodiments with reference to the following figures.
FIG. 1 is a flow chart of an automatic assembling method of a camshaft bush cover of an engine according to the present invention.
FIG. 2 is a schematic diagram of an automatic assembling method of a camshaft head of an engine according to the present invention.
In the figure:
1-feeding guide rail
2-pinhole camera
3-small tile cover
4-mechanical gripper
5-first station
6-second station
7-detection device
8-fourth station
9-third station
10-screw tightening machine
11-mechanical arm
12-push plate mechanism
13-screw
14-feeding mould
15-big tile cover
16-image processing computer
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention.
The technical scheme includes that the method comprises the steps of automatic screening and material preparation of the camshaft bush cover, pre-assembly of the camshaft bush cover, tightening of the camshaft bush cover, in-place assembly detection of the bush cover and the like. The detailed process is as follows:
① automatic screening and material preparation stage of tile covers, the tile covers (small tile covers 3 or large tile covers 15) are put into the feeding shelf by off-line personnel regularly, the hour hole camera 2 will scan the tile cover (small tile covers 3 or large tile covers 15) packing box and the image processing computer 16 will compare with the corresponding entrance of the shelf to confirm the scan, if matching, the feeding operation will be done, otherwise, the alarm device will be triggered, the feeding port of the feeding shelf will send the tile covers (small tile covers 3 or large tile covers 15) to the front by the intermittent motion of the cam mechanism (pushing mechanism) under the feeding guide rail 1, finally the cam shaft tile covers will be pre-positioned, lifted and positioned by the positioning table, the function of photo error prevention will be sent to the feeding mold 14 placed in advance, the screws 13 will be the pushing plate mechanism 12 for feeding, then the distributing mechanism will automatically arrange the screws 13 at equal distance according to the center distance of the tile covers (small tile covers 3 or large tile covers 15), then the mechanical arms 11 will place the screws 13 to the middle screw holes of the tile covers (small tile covers 3 or large tile covers 15) by the guide rod positioning of the screws 13.
② in the pre-assembly stage of the camshaft tile cover, a positioning system capable of identifying the position of the mold is arranged on a manipulator of the grabbing robot, each tile cover (the small tile cover 3 or the large tile cover 15) on the mold corresponds to one clamp on the mechanical gripper 4, the mechanical gripper 4 grabs the tile cover (including the screw 13) on the mold at one time and accurately places the tile cover on the cylinder cover through a guiding device, and the pre-assembly of the large tile cover 15 and the small tile cover 3 is completed at the same time.
③ in the tightening stage of the camshaft bush cover, four tightening shafts slide downwards simultaneously to be tightened on a tightening station of the screw 13, and the tightening shafts have the function of distance changing and can simultaneously meet the tightening of the large bush cover 15 and the large bush cover 15.
④ the tile cover is assembled in place and detected, in the screwing station, the detecting device 7 on the middle rotating shaft corresponds to the tile cover (small tile cover 3 or large tile cover 15) screwing process and the tile cover position, the set of detecting device 7 has the functions of taking pictures, measuring distance and the like, if the detected result is consistent with the screwing time of the screw 13, the indicating lamp is green, which indicates that the screw 13 is screwed, and the next station can be entered, otherwise, the indicating lamp is red, and the device gives an alarm.
Wherein the size of the feeding mould 14 is approximately consistent with that of the cylinder cover, and two convex semicircular shafts are arranged on the structure. The two sides of the position where the tile cover (the small tile cover 3 or the large tile cover 15) is placed on the feeding die 14 are provided with positioning shaft shoulders, and the positions of the positioning shaft shoulders are consistent with the positions of the tile cover (the small tile cover 3 or the large tile cover 15) on the cylinder cover. The mechanical hand grip 4 comprises nine pairs of small tile cover 3 hand grips, a pair of large tile cover 15 hand grips, a sensor which is matched and positioned and the like.
As shown in the figures 1 and 2, the automatic assembling method of the engine camshaft bush cover realizes the efficient and automatic assembling of the automobile engine camshaft bush cover on a production line, and specifically comprises the steps of automatic screening and material preparation of the camshaft bush cover, pre-assembling of the camshaft bush cover, screwing of the camshaft bush cover, in-place assembling detection of the bush cover and the like.
Step one, regularly throwing the tile cover (the small tile cover 3 or the large tile cover 15) into a material loading shelf, scanning the packaging box of the tile cover (the small tile cover 3 or the large tile cover 15) by the pinhole camera 2 during feeding, confirming and scanning the code at the corresponding entrance of the shelf by the image processing computer 16, comparing the code, and if the code is matched, feeding operation is carried out, otherwise, triggering an alarm device. The feeding port of the feeding shelf respectively conveys tile covers (a small tile cover 3 or a large tile cover 15) to the front by the intermittent motion of a lower cam mechanism (a pushing mechanism) of the feeding guide rail 1. And finally, confirming that the camshaft bush cover is conveyed to a pre-placed feeding mold 14 through functions of pre-positioning, lifting a positioning workbench, photographing mistake proofing and the like. The screws 13 are fed by the push plate mechanism 12, then the distributing mechanism automatically arranges the screws 13 at equal intervals according to the central distance of the tile cover, and then the mechanical arm 11 positions the screws 13 through the guide rods of the screws 13 into the screw holes of the tile cover (the small tile cover 3 or the large tile cover 15).
Step two, preassembling the camshaft tile cover, arranging a positioning system capable of identifying the position of the mold on a mechanical gripper 4 of the material grabbing robot, enabling each tile cover on the mold to correspond to a clamp on the mechanical gripper, accurately placing the tile cover (including a screw 13) on the mold grabbed by the mechanical gripper 4 at one time on a cylinder cover through a guide device, and simultaneously completing preassembling of the large tile cover 15 and the small tile cover 3.
And step three, screwing the camshaft bush covers on a third station 9, wherein a plurality of screwing shafts of the screw screwing machine 10 slide downwards simultaneously to screw, and the screwing shafts have a distance changing function and can simultaneously screw the small bush covers 3 and the large bush covers 15.
And step four, after the screwing process is finished, the tile cover is assembled in place and detected, the detection equipment 7 on the middle rotating shaft corresponds to the position of the tile cover on the tile cover screwing process, the set of detection equipment 7 has the functions of photographing, distance measurement and the like, the assembling position of the tile cover and whether the screw 13 is screwed are monitored, if the detection result is consistent with the screwing time of the screw 13, the indicator light is green, the screw 13 is screwed, and the next station (the fourth station 8, the first station 5 or the second station 6) can be entered. Otherwise, the indicator light is red, and the equipment gives an alarm.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (1)
1. An automatic assembling method for an engine camshaft bush cover is characterized by comprising the following steps:
step 1, preparing a tile cover;
the tile cover includes: a small tile cover and a large tile cover;
the step 1 comprises the following steps:
step 1.1, placing a tile cover on a loading shelf;
step 1.2, pushing the tile cover to a feeding mold on a feeding shelf by a pushing mechanism of the feeding shelf;
step 1.2 comprises:
step 1.2.1, a pushing mechanism pushes a tile cover;
step 1.2.2, detecting the tile cover;
if the detection is qualified, the step 1.2.3 is carried out;
if the detection is not qualified, the step 1.2.4 is carried out;
the step 1.2.2 comprises:
step 1.2.2.1, scanning the tile cover by a scanning mechanism and recording code scanning information;
step 1.2.2.2, comparing the code scanning information with the product information of the current tile cover through a terminal;
if the code scanning information is consistent with the product information, judging that the detection is qualified;
if the code scanning information is inconsistent with the product information, determining that the detection is unqualified;
in the automatic assembling method of the engine camshaft bush cover, the camshaft bush cover is conveyed to a pre-placed feeding mold (14) through pre-positioning, lifting a positioning workbench and confirming the photo-taking mistake-proofing function;
step 1.2.3, pushing the tile cover onto a feeding mold on a feeding shelf by a pushing mechanism;
step 1.2.4, stopping pushing by a pushing mechanism;
step 1.2.4 comprises:
step 1.2.4.1, stopping the pushing mechanism;
step 1.2.4.2, alarming;
step 1.3, placing screws in the tile cover;
step 1.3 comprises:
step 1.3.1, feeding screws for a push plate mechanism, and arranging the screws at equal intervals by a material distribution mechanism according to the center distance of tile covers;
step 1.3.2, the mechanical arm positions the screw into the screw hole of the tile cover through the guide rod of the screw;
step 2, placing the tile cover on a workpiece for preassembly;
the step 2 comprises the following steps:
2.1, a mechanical gripper of the material grabbing robot comprises a positioning system capable of identifying the position of a mold, and the positioning system identifies the position of a feeding mold;
2.2, placing the tile cover on each station on the workpiece through a mechanical gripper, and pre-assembling;
step 2.2 comprises:
step 2.2.1: each tile cover corresponds to one clamp on the mechanical gripper, the mechanical gripper grips the tile cover at one time, the tile cover is placed on the cylinder cover through the guide device, and the large tile cover and the small tile cover are preassembled at the same time;
step 3, finishing assembly;
the step 3 comprises the following steps:
step 3.1, assembling the current station through a screwing mechanism; a plurality of tightening shafts of the screw tightening machine slide downwards simultaneously to be tightened, and the tightening shafts have a pitch-changing function and can simultaneously meet the tightening of a small tile cover and a large tile cover;
step 3.2, detecting the assembled current station by using detection equipment;
if the detection is qualified, entering the step 3.3;
if the detection is not qualified, the step 3.4 is carried out;
3.3, the screwing mechanism is switched to the next station, and the step 3.1 is returned until the assembly of all stations is completed;
and 3.4, alarming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811198117.XA CN109128777B (en) | 2018-10-15 | 2018-10-15 | Automatic assembling method for camshaft bush cover of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811198117.XA CN109128777B (en) | 2018-10-15 | 2018-10-15 | Automatic assembling method for camshaft bush cover of engine |
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| Publication Number | Publication Date |
|---|---|
| CN109128777A CN109128777A (en) | 2019-01-04 |
| CN109128777B true CN109128777B (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811198117.XA Active CN109128777B (en) | 2018-10-15 | 2018-10-15 | Automatic assembling method for camshaft bush cover of engine |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112809372A (en) * | 2021-02-02 | 2021-05-18 | 广东嘉铭智能科技有限公司 | Double-deck rollgang of tile lid |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476184A (en) * | 2014-11-19 | 2015-04-01 | 长春吉扬华欣科技有限责任公司 | Slider driving mechanism of assembly type camshaft numerical assembling machine |
| CN204711543U (en) * | 2015-04-30 | 2015-10-21 | 志品（福州）技术工程有限公司 | A kind of camshaft of car engine bonnet bolt tightening machine |
| CN106944820B (en) * | 2017-04-20 | 2018-12-11 | 广州市嘉特斯机电制造有限公司 | A kind of engine camshaft cover fully automated assembly line |
| CN108436408A (en) * | 2018-03-12 | 2018-08-24 | 上汽通用五菱汽车股份有限公司 | Cam axle bush covers type error prevention device |
| CN108581447A (en) * | 2018-04-26 | 2018-09-28 | 温州瑞明工业股份有限公司 | The camshaft cover automatic assembling apparatus of multi-type cylinder cover |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Automatic assembly method for engine camshaft tile cover Granted publication date: 20200623 Pledgee: Agricultural Bank of China Limited Shanghai pilot Free Trade Zone New Area Branch Pledgor: SHANGHAI SMARTSTATE TECHNOLOGY Co.,Ltd. Registration number: Y2024980042058 |
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