CN108481248B - Automatic assembly method for plate unit angle steel - Google Patents
Automatic assembly method for plate unit angle steel Download PDFInfo
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- CN108481248B CN108481248B CN201810342420.6A CN201810342420A CN108481248B CN 108481248 B CN108481248 B CN 108481248B CN 201810342420 A CN201810342420 A CN 201810342420A CN 108481248 B CN108481248 B CN 108481248B
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- angle steel
- conveying system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses an automatic assembly method of plate unit angle steel, which comprises the following steps: the angle steel is placed on the material frame → the transverse conveying system sends the angle steel into the longitudinal conveying system one by one → the longitudinal conveying system sends the angle steel into the door frame of the angle steel mounting machine → the angle steel mounting machine automatically grips → automatically positions according to data → the gripping device adjusts the assembling gap → the robot automatically spot welds and positions. The invention achieves the purposes of reducing cost, improving efficiency, reducing labor intensity and improving production environment by optimizing the station layout.
Description
Technical Field
The invention relates to a large box girder plate unit structure in mechanical manufacturing, in particular to an automatic assembly method of plate unit angle steel.
Background
The large box girder and plate unit structure is used as a main component of the box girder structure, as shown in fig. 1 and 2, the length of the plate unit structure can reach 30 meters, the width of the plate unit structure can reach 3.5 meters, the structure mainly comprises plate sheets 1 and angle steel 2, 1-6 angle steel 2 on a single plate sheet 1 are arranged side by side, the flat welding positions are welded, and the manufacturing process is simple.
The prior manufacturing process is still backward, and the traditional manufacturing process is as follows: the travelling crane hoists the angle steel to the assembly area → the gap between the angle steel and the plate is adjusted by manually adopting a clamp and a wedge to assemble and position → the electric welding is manually carried out for fixing.
However, the assembly of the plate unit angle steel needs a large amount of labor to ensure the production progress, the labor cost is high, the labor intensity is high, the plate repairing, polishing and repairing rate after the clamp code is removed is high, the existing manufacturing process needs to be optimized urgently, and the current production situation is improved by adopting a more advanced and efficient construction assembly process.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an automatic assembly method of plate unit angle steel, which aims to reduce cost and improve efficiency, reduce labor intensity and improve production environment by optimizing station layout.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic assembly method for plate unit angle steel comprises the following processes:
1) the angle steel is placed in advance: the angle steels are placed on the material rack in sequence and direction;
2) angle steel transverse conveying: conveying the angle steel on the material rack to a longitudinal conveying system through a transverse conveying system;
3) and (3) longitudinal conveying of the angle steel: the angle steel is conveyed into a mounting machine gantry through a longitudinal conveying system and automatically erected;
4) the angle steel is automatically grabbed and positioned: automatically positioning the angle steel according to plate unit data of a previous process after automatically grabbing the erected angle steel through an angle steel installing machine;
5) adjusting the assembly clearance: the assembly clearance between the angle steel and the plate is well controlled;
6) automatic spot welding by a robot: and after positioning and adjusting the assembly clearance, automatically performing spot welding positioning by adopting a robot.
The transverse conveying system adopts a chain arrangement for synchronous conveying.
And a detection switch is arranged between the transverse conveying system and the longitudinal conveying system and is used for detecting whether the angle steel is in place.
The angle steel is automatically erected through a turnover device.
The angle steel mounting machine grabs the angle steel through the grabbing device.
The angle steel mounting plate, include: the main angle steel mounting machine and the slave angle steel mounting machine.
And the main angle steel mounting machine and the slave angle steel mounting machine both move back and forth on the gantry track.
In the technical scheme, the plate unit angle steel automatic assembly method provided by the invention has the advantages that the existing manufacturing mode and process method are improved by optimizing and rearranging the angle steel installation and positioning process and combining the automatic process, and the station optimization and the product manufacturing upgrading are realized. The implementation of the invention can effectively control the cost for manufacturing the large box girder plate unit, improve the quality, optimize the manufacturing process, reduce the personnel stations, thereby reducing the labor intensity of manpower, and has epoch-making significance for the whole industry.
Drawings
FIG. 1 is a schematic view of a plate unit structure;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic diagram of relevant dimensions of an angle iron;
FIG. 4 is a layout of the workstations of the present invention;
FIG. 5 is a schematic view of the automatic positioning of the present invention;
fig. 6 is a right side view of fig. 5.
Detailed Description
The technical scheme of the invention is further explained by combining the drawings and the embodiment.
Referring to fig. 1 to 6, an automatic assembling method for plate unit angle iron provided by the present invention includes: the angle steel is placed on the material frame → the transverse conveying system sends the angle steel into the longitudinal conveying system one by one → the longitudinal conveying system sends the angle steel into the door frame of the angle steel mounting machine → the angle steel mounting machine automatically grips → automatically positions according to data → the gripping device adjusts the assembling gap → the robot automatically spot welds and positions. The detailed implementation mode is as follows:
1) the angle steel is placed in advance: a certain amount of angle steel is placed on the material rack 3 according to the sequence and direction and the requirement by adopting manual cooperation; the angle steel parameters are shown in table 1 below, and the relevant dimensions of the angle steel are shown in fig. 3.
TABLE 1
| Serial number | Specification of | Height h (mm) | Width w (mm) | Plate thickness t (mm) | Length (m) |
| 1 | L90×56×6 | 90 | 56 | 6 | ≤9 |
| 2 | L100×63×8 | 100 | 63 | 8 | ≤9 |
| 3 | L125×80×8 | 125 | 80 | 8 | ≤9 |
2) Angle steel transverse conveying: after the angle steels are placed on the material rack 3, the angle steels on the material rack 3 are conveyed to the longitudinal conveying system 5 one by one through the transverse conveying system 4; the transverse conveying system 4 adopts the chain arrangement synchronous conveying to synchronously input the angle steel into a roller way of the longitudinal conveying system 5. And a detection switch is arranged between the transverse conveying system 4 and the longitudinal conveying system 5 and used for detecting whether the angle steel is in place or not, when the angle steel enters the roller way of the longitudinal conveying system 5 and the detection switch senses the angle steel, the transverse conveying system 4 stops, the roller way of the longitudinal conveying system 5 starts to operate, the angle steel is conveyed forwards, and feeding are carried out in a circulating mode.
3) And (3) longitudinal conveying of the angle steel: the angle steel is conveyed into a mounting machine gantry through a longitudinal conveying system 5 and automatically erected, so that the angle steel can be conveniently and automatically grabbed by a mounting machine; the angle steel mounting machine comprises a main angle steel mounting machine 6 and a slave angle steel mounting machine 7, the main angle steel mounting machine 6 and the slave angle steel mounting machine 7 move back and forth on a gantry track 8, and the main angle steel mounting machine 6 adopts mechanisms such as a rack and pinion driving track to grab, move, position and adjust gaps of angle steel; the slave angle steel mounting machine 7 adopts mechanisms such as a gear rack driving track and the like to match with the main angle steel mounting machine 6 to grab and move and position angle steel. The angle steel is automatically erected through the turnover device 9, the turnover device 9 is composed of a turnover air cylinder, an air control system, an electric control system and the like, and the angle steel on the roller way of the longitudinal conveying system 5 is automatically erected mainly, so that the angle steel can be automatically grabbed by an angle steel installing machine conveniently.
4) The angle steel is automatically grabbed and positioned: automatically positioning the angle steel according to plate unit data of a previous process (namely CAD drawing information of a component) after automatically grabbing the erected angle steel by a grabbing device on the angle steel installing machine; the grabbing device grabs the angle steel after being adjusted by hydraulic pressure and a motor gear.
5) Adjusting the assembly clearance: the assembly clearance between the angle steel and the plate is well controlled by utilizing the up-down adjusting function of the gripping device and the jacking function (the function of adjusting the thickness difference of the thick and thin plate) of the plate adjusting jig frame 10; the slab adjusting jig 10 is a slab jig for placing the mounting angle steel, and can be used for centering and vertically adjusting the slab and adjusting the flatness of the upper surface of the slab with the slab thickness difference. The assembly accuracy is shown in table 2 below.
TABLE 2
| Serial number | Name (R) | Require that | Remarks for |
| 1 | Pitch accuracy | ≤1mm | The distance between the angle steels is more than or equal to |
| 2 | Angle steel assembly gap | ≤1mm | Contact position of plate and angle steel |
6) Automatic spot welding by a robot: after positioning and adjusting the assembly gap, the robot 11 is used to automatically perform spot welding positioning.
In conclusion, the process disclosed by the invention is mainly used for optimizing and rearranging the angle steel installation and positioning process in the plate unit manufacturing process, and is combined with a novel automatic process to improve the existing manufacturing mode and process method and realize station optimization and product manufacturing upgrading. The implementation of the process has epoch-making significance for cost control, quality improvement, manufacturing process optimization and the like of manufacturing of the large box girder plate unit.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (3)
1. An automatic assembly method for plate unit angle steel is characterized by comprising the following processes:
1) the angle steel is placed in advance: the angle steels are placed on the material rack in sequence and direction;
2) angle steel transverse conveying: conveying the angle steel on the material rack to a longitudinal conveying system through a transverse conveying system;
3) and (3) longitudinal conveying of the angle steel: the angle steel is conveyed into a mounting machine gantry through a longitudinal conveying system and automatically erected;
4) the angle steel is automatically grabbed and positioned: automatically positioning the angle steel according to plate unit data of a previous process after automatically grabbing the erected angle steel through an angle steel installing machine;
5) adjusting the assembly clearance: the assembly clearance between the angle steel and the plate is well controlled;
6) automatic spot welding by a robot: after positioning and adjusting the assembly clearance, the robot is adopted to automatically perform spot welding positioning,
wherein the angle steel is automatically erected through a turnover device,
a detection switch is arranged between the transverse conveying system and the longitudinal conveying system and is used for detecting whether the angle steel is in place or not,
the angle steel mounting plate, include: the main angle steel mounting machine and the slave angle steel mounting machine both move back and forth on the gantry track,
the assembly clearance of the angle steel is less than or equal to 1 mm.
2. The automatic assembly method of plate unit angle steel according to claim 1, characterized in that: the transverse conveying system adopts a chain arrangement for synchronous conveying.
3. The automatic assembly method of plate unit angle steel according to claim 1, characterized in that: the angle steel mounting machine grabs the angle steel through the grabbing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810342420.6A CN108481248B (en) | 2018-04-17 | 2018-04-17 | Automatic assembly method for plate unit angle steel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810342420.6A CN108481248B (en) | 2018-04-17 | 2018-04-17 | Automatic assembly method for plate unit angle steel |
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| Publication Number | Publication Date |
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| CN108481248A CN108481248A (en) | 2018-09-04 |
| CN108481248B true CN108481248B (en) | 2020-06-30 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000280073A (en) * | 1999-03-30 | 2000-10-10 | Nkk Corp | Longe material mounting device |
| JP2012121113A (en) * | 2010-12-10 | 2012-06-28 | Mitsubishi Heavy Ind Ltd | Cutting method of shape steel, and cutting line of shape steel |
| CN202877750U (en) * | 2012-10-19 | 2013-04-17 | 诸城盛丰气动设备有限公司 | Angle steel feeding conveying mechanism |
| CN204321442U (en) * | 2014-12-12 | 2015-05-13 | 中山市凯歌自动化设备有限公司 | The feed system of battery bridge bonding machine |
| CN105269169B (en) * | 2015-12-01 | 2017-06-20 | 长沙长泰机器人有限公司 | Workpiece welding system |
| CN206139954U (en) * | 2016-08-30 | 2017-05-03 | 武汉龙净环保科技有限公司 | Angle steel automation of welding special plane |
| CN107775248B (en) * | 2017-11-20 | 2023-09-19 | 无锡华联科技集团有限公司 | Angle steel assembling and assembling machine |
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Effective date of registration: 20210913 Address after: 200125 No. 3261 Dongfang Road, Shanghai, Pudong New Area Patentee after: SHANGHAI ZHENHUA HEAVY INDUSTRIES Co.,Ltd. Patentee after: CCCC HIGHWAY BRIDGES NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd. Address before: 200125 No. 3261 Dongfang Road, Shanghai, Pudong New Area Patentee before: SHANGHAI ZHENHUA HEAVY INDUSTRIES Co.,Ltd. |