CN-121973994-A - Steel band welding device and method for steel band circumference binding machine

CN121973994ACN 121973994 ACN121973994 ACN 121973994ACN-121973994-A

Abstract

The invention provides a steel band welding device and method of a steel band circumference binding machine, which belong to the technical field of welding structures, and comprise a feeding vehicle sliding on one side of a bearing mechanism, wherein a placing table is arranged on the bearing mechanism, and a fixing piece for fixing a steel coil is integrally formed on the placing table; the welding machine comprises a bearing mechanism, a welding mechanical arm, a feeding device, a welding line adjusting control module and a fixing piece, wherein the bearing mechanism is provided with a supporting table on the top, a moving table is arranged on the supporting table in a sliding mode, a guide piece is arranged on the moving table, one side of the supporting table is provided with the welding mechanical arm and the feeding device, a welding port is formed in the guide piece, the laser welding head of the welding mechanical arm corresponds to the welding port in position, the guide piece is in butt joint with the feeding device so as to receive a steel belt conveyed by the feeding device and guide the steel belt to the periphery of a steel coil to form a binding ring, the fixing piece is provided with a detecting piece used for collecting steel coil specification data, the welding line adjusting control module obtains the steel coil specification data according to the detecting piece, and the welding line length and the steel belt cutting size are adaptively matched.

Inventors

YANG PEIJIE
ZHOU YAJUN
CHEN LIZHANG
WU LICHENG
WANG HUIQIANG
TANG JIALONG
SONG YANFENG
BAI YUNGE
YIN SHENGSHENG

Assignees

深圳大工人科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260330

Claims (10)

1. The steel band welding device of the steel band circumference binding machine is characterized by comprising a bearing mechanism (101): a feeding vehicle (102) is arranged on one side of the bearing mechanism (101) in a sliding manner, a placing table (103) is arranged on the bearing mechanism (101), and a fixing piece for fixing a steel coil is integrally formed on the placing table (103); a supporting table (104) is arranged at the top of the bearing mechanism (101), a moving table (105) is arranged on the supporting table (104) in a sliding mode, and a flow guide piece is arranged on the moving table (105); A welding mechanical arm (701) and a feeding device are arranged on one side of the supporting table (104), a welding opening (302) is formed in the guide piece, a laser welding head (702) of the welding mechanical arm (701) corresponds to the welding opening (302), the guide piece is in butt joint with the feeding device so as to receive a steel belt conveyed by the feeding device, and the steel belt is guided to the periphery of a steel coil to form a binding ring; the steel coil cutting device is characterized in that a welding seam adjusting control module (601) is arranged on the supporting table (104), a detection piece used for collecting steel coil specification data is arranged on the fixing piece, and the welding seam adjusting control module (601) obtains the steel coil specification data according to the detection piece and is adaptive to the welding seam length and the steel strip cutting size.
2. The steel band welding device of a steel band circumference binding machine according to claim 1, wherein: The guide piece comprises a main body (303) and two groups of clamping arms (304), the two groups of clamping arms (304) are symmetrically hinged to two sides of the main body (303), two groups of telescopic driving pieces (602) are arranged on the main body (303), one end of a movable rod of each telescopic driving piece (602) is connected with the corresponding clamping arm (304), and the welding port (302) is formed in the top of the main body (303); The clamping device comprises two groups of clamping arms (304), wherein sliding tables (305) are arranged on the two groups of clamping arms, mounting seats (306) are arranged on the sliding tables (305), limiting plates (307) are arranged on the mounting seats (306), a plurality of groups of deformation grooves (308) are formed in the limiting plates (307), electromagnets (603) are arranged between the two groups of deformation grooves (308), and belt passing grooves (309) are formed in the limiting plates (307); when two groups of clamping arms (304) are attached to the steel coil, two groups of passing grooves (309) are arranged in an up-down overlapping mode.
3. The steel band welding device of a steel band circumference binding machine according to claim 2, wherein: A butt-joint table (402) is arranged on the placing table (103), guide tables (403) are arranged at two ends of the two groups of clamping arms (304), a horn-shaped guide groove (404) matched with the discharge end of the butt-joint table (402) is formed in the guide tables (403), the butt-joint table (402) receives the steel belt output by the feeding device, and the steel belt is guided to the guide tables (403); an electric driving roller (405) for actively conveying the steel belt is arranged on the guide table (403).
4. A steel band welding apparatus of a steel band circumference binding machine as claimed in claim 3, wherein: the fixing piece comprises a three-jaw chuck (202) and four groups of clamping jaws (203), the three-jaw chuck (202) is vertically arranged on the end face of the placing table (103), and the four groups of clamping jaws (203) are connected to the placing table (103) in a sliding manner along the radial direction; A pressing plate (204) is arranged on one side, close to the steel coil, of each jaw (203), a plurality of groups of sliding grooves (205) are formed in each jaw (203), and a supporting plate (206) is arranged on each group of sliding grooves (205) in a sliding manner; One side integrated into one piece that backup pad (206) is close to the coil of strip has multiunit slide bar (207), multiunit all wear to be equipped with on slide bar (207) to support pole (208), support the cover on pole (208) and be equipped with spring (209) that are used for providing elasticity pretightning force, multiunit support pole (208) are kept away from one end integrated into one piece of slide bar (207) has cardboard (210), offered on cardboard (210) and be used for the draw-in groove (211) of card establishing the steel band.
5. The steel band welding device of a steel band circumference binding machine as claimed in claim 4, wherein: The detection piece comprises an infrared contour scanner (502), a pressure sensing piece (503) and a laser ranging sensor (504); The infrared profile scanner (502) is embedded on the mobile station (105), the pressure sensing sheet (503) is installed on the clamping groove (211), and the laser ranging sensor (504) is installed on the main body (303).
6. The steel band welding device of a steel band circumference binding machine according to claim 5, wherein: The feeding device comprises a belt source (406), a straightener (407), a shearing machine (408) and a steel belt guide path (409) which are sequentially distributed along the conveying direction of the steel belt, and the output end of the steel belt guide path (409) faces the butt joint table (402).
7. A steel band circumferential strapping machine steel band welding method for a steel band circumferential strapping machine steel band welding apparatus according to claims 1 to 6, characterized by comprising the steps of: S1, multi-source data acquisition, wherein an infrared contour scanner (502) scans the contour of the periphery of a steel coil to acquire the outer diameter and roundness data of the steel coil; A laser ranging sensor (504) measures diameter data of the inner ring of the steel coil; The pressure sensing sheet (503) collects clamping pressure data of the clamping groove (211) and the starting end of the steel belt, and all the data are uploaded to the welding seam adjusting control module (601); S2, calculating basic parameters, calculating the theoretical circumference of a steel band binding ring by a welding seam adjusting control module (601) according to the steel coil outer diameter data, and correcting a compensation value by combining with the steel coil roundness deviation data to obtain the target cutting length of the steel band; meanwhile, matching corresponding welding seam overlap joint length according to the thickness of the steel belt, material parameters and preset bundling tension; S3, cutting is carried out, a welding seam adjusting control module (601) sends an instruction to a shearing machine (408) of the feeding device, and the shearing machine (408) completes steel strip cutting according to a target cutting length; And S4, adjusting the welding seam in an adapting way, wherein the welding seam adjusting control module (601) drives the sliding table (305) of the guide piece to slide along the clamping arm (304) according to the matched lap joint length, and adjusts the overlapping length of the belt groove (309) to adapt to the welding seam lap joint requirement.
8. The method of welding steel strip of a steel strip circumference binder as claimed in claim 7, wherein in step S2: the compensation value comprises a steel coil roundness deviation compensation value, a steel belt elastic stretching compensation value and a welding allowance compensation value; The roundness deviation compensation value is calculated by fitting profile data acquired by an infrared profile scanner (502), the elastic stretching compensation value is determined according to the elastic modulus of a steel strip material and the preset bundling tension, and the welding allowance compensation value is a fixed threshold value and is used for counteracting the shrinkage of the steel strip in the welding process.
9. The method of welding steel strip of a steel strip circumference binder as claimed in claim 7, wherein in step S1: The data acquisition adopts a dynamic follow acquisition mode, the mobile station (105) drives the infrared profile scanner (502) to move and scan along the axial direction of the steel coil, and when the main body (303) moves synchronously along with the supporting table (104), the laser ranging sensor (504) synchronously completes multi-point inner ring diameter measurement, an average value is taken as final inner ring diameter data, and the data acquisition precision is improved.
10. The method of claim 7, further comprising the step of closed loop checking after step S4: S5, checking lap accuracy, wherein a welding seam adjusting control module (601) controls an electromagnet (603) to electrify and adsorb a lap part of the steel belt, and the length of a lap area is secondarily measured through a laser ranging sensor (504) to judge the deviation between the actual lap length and a theoretical value; and S6, correcting in real time, if the deviation exceeds a preset range, driving the sliding table (305) to finely adjust the displacement by the welding seam adjusting control module (601) until the lap joint length meets the requirement, and triggering the welding mechanical arm (701) to start welding.

Description

Steel band welding device and method for steel band circumference binding machine Technical Field The invention relates to the technical field of welded structures, in particular to a steel belt welding device and method of a steel belt circumference binding machine. Background In the fields of steel production, storage and transportation and heavy machinery manufacturing, in order to ensure the structural stability of steel coils and prevent the steel coils from loosening and deforming in the process of transferring and stacking, steel belts are often adopted for circumferential bundling and fixing after the production of the steel coils is completed, and at the moment, a steel belt circumferential bundling machine is needed to be used for realizing automatic bundling of the peripheries of the steel coils, so that the follow-up storage, transportation and processing of the steel coils are facilitated. However, the welding structure of the traditional steel band circumference binding machine does not have a self-adaptive adjusting function, and lacks a precise steel coil specification detection and parameter matching mechanism, so that in the steel coil binding welding process, the cutting length of the steel band and the lap joint length of the welding seam cannot be matched due to the difference of the inner diameter/outer diameter and the thickness of different batches of steel coils, and the problem of overlong relaxation or overlong stretching of the steel band can occur. The steel coil clamping structure of the traditional device is mainly rigidly clamped, the stability of the steel belt guiding and positioning mechanism is insufficient, the steel belt is easy to deviate and overlap joint dislocation under the action of steel belt conveying and welding tension, and then the weld joint forming quality is poor, the steel coil is bundled loose, the bundling firmness of the steel coil is affected, the steel coil is caused to have loose risks in transportation, the labor cost and the production time consumption are increased due to high reworking rate and more manual adjustment frequency, the overall production efficiency is further reduced, and the large-scale and automatic production requirements cannot be met. Disclosure of Invention In order to solve the technical problems, the invention provides a steel band welding device and method of a steel band circumference binding machine, which are used for solving the technical problems that in the prior art, a traditional steel band circumference binding machine is lack of self-adaptive adjustment capability, steel band specification detection is inaccurate, steel band cutting and weld length matching degree is low, steel band clamping and steel band positioning stability are poor, so that steel bands are easy to deviate and loose, weld quality is poor, binding is unstable, reworking rate is high, and production efficiency is low. The invention discloses a steel band welding device and method of a steel band circumference binding machine, which are achieved by the following specific technical means: The invention provides a steel band welding device of a steel band circumference binding machine, which comprises a bearing mechanism: a feeding vehicle is arranged on one side of the bearing mechanism in a sliding manner, a placing table is arranged on the bearing mechanism, and a fixing piece for fixing the steel coil is integrally formed on the placing table; The top of the bearing mechanism is provided with a supporting table, a moving table is arranged on the supporting table in a sliding manner, and a flow guide piece is arranged on the moving table; a welding mechanical arm and a feeding device are arranged on one side of the supporting table, a welding opening is formed in the guide piece, a laser welding head of the welding mechanical arm corresponds to the welding opening in position, the guide piece is in butt joint with the feeding device so as to receive a steel belt conveyed by the feeding device, and the steel belt is guided to the periphery of a steel coil to form a binding ring; the steel coil cutting device comprises a supporting table, and is characterized in that a welding seam adjusting control module is arranged on the supporting table, a detection piece used for collecting steel coil specification data is arranged on the fixing piece, and the welding seam adjusting control module is used for obtaining the steel coil specification data according to the detection piece and adaptively matching the welding seam length and the steel strip cutting size. As a preferable mode, the flow guiding piece comprises a main body and two groups of clamping arms, the two groups of clamping arms are symmetrically hinged to two sides of the main body, two groups of telescopic driving pieces are arranged on the main body, one end of a movable rod of each telescopic driving piece is connected with each clamping arm, and the welding port is formed in the top of t