RU2737834C1 - Production line for manufacturing metal framework products - Google Patents

Abstract

FIELD: technological processes.

SUBSTANCE: proposed invention relates to production line of metal framework articles. Line comprises a section of preprocessing sheet material in form of tape, billet bending section, support table, first manipulator, equipped with gripping device made with possibility of billet installation on support table, and metal carcass article welding and assembling section. Support table is rotary, the first manipulator is robotic six-axis, the flow line comprises at least three feeders for tape rolls, which are located before section of preliminary treatment of tape, containing at least three regular devices, each of which is installed opposite corresponding transmitter. At that, after the first correct device, the first tape processing unit is located, which includes the belt cutting section on the strip workpieces, containing the hydraulic guillotine shears and the movable fixing device, which is equipped with gripping device with optical sensor of linear movement for tape fixation to required size during cutting. After the second correct device, a second tape processing unit is located, comprising a section for cutting the tape into workpieces, comprising hydraulic guillotine shears and two movable fixing devices, each of which is equipped with gripping device with optical sensor of linear movement to fix tape to required size when performing cutting, said bending section is configured to produce an L-like workpiece and comprises grippers with programmed control to move the workpiece, after the third correct device, a third tape processing unit is located, comprising hydraulic guillotine shears and two movable fixing devices, each of which is equipped with gripping device with optical sensor of linear movement to fix tape to required size when performing cutting, a deformation portion for producing a profiled workpiece, comprising grippers with programmed control to allow movement of the workpiece. At the end of the first, second and third blocks, said support table is arranged for successive installation of workpieces from each said tape processing unit using the first robotic six-axis manipulator, and the metal framework article welding and assembling section is equipped with the second robotic six-axis manipulator with the spot welding device.

EFFECT: higher quality of framework articles and higher efficiency of the line.

1 cl, 1 dwg

Description

The present invention relates to a flow line for the manufacture of frame products in a continuous way, namely, to the manufacture of products such as technological containers of the frame type used in the aviation industry.

A known site for the manufacture of welded products, containing units for installation, assembly and welding of the product, a device for loading parts and unloading the finished product, at least two manipulators for fixing parts, a lifting and rotating table with a mechanism for holding parts (Patent of the Russian Federation No. 2378097 from 02.06.2008, publ. 10.01.2010 bull. No. 1, IPC B23K 37/047).

The disadvantage of such a section is the low quality of the resulting product, due to the possibility of inaccurate installation during assembly and welding of workpieces on a rotary table, due to possible malfunctions of the device for moving workpieces.

The closest is a production line for the manufacture of metal products, including a pre-processing section for sheet material, after which there is a section for cutting sheet material, a section for bending, a manipulator with the ability to move the material using a gripping device between the sections and with the ability to install the material on the support table, and area for welding and assembly of the finished product (Patent of the Russian Federation No. 2110349 dated 26.06.1993, publ. 10.05.1998, IPC B21D 5/04).

The disadvantages of this production line is the low productivity of the production line, associated with the presence of only one section of preliminary processing of sheet material and one section of cutting, allowing to obtain only one type of blanks.

The technical result of the claimed invention is to improve the quality of frame-shaped products, due to increased accuracy during welding and assembly of the finished product, due to the use of an additional robotic six-axis manipulator with a spot welding apparatus, as well as in connection with the use of at least three feed pickups and with at least three straightening devices for three rolls of tape, the line productivity is increased.

The technical result is achieved by the fact that in the production line for the manufacture of metal frame products, including a section for pre-processing sheet material, after which there is a section for cutting sheet material, a section for bending, a manipulator with the ability to move the material using a gripper between the sections and with the ability to install the material on the support table, and the section for welding and assembly of the finished product, in contrast to the known production line, contains at least three feeders for rolls of sheet material in the form of a tape, which are located in front of the section for pretreatment of the tape, containing at least three straightening devices, each of which is installed opposite the corresponding pay-off device, after the first straightening device there is a first strip processing unit, including a cutting section with a movable fixing device equipped with a gripping device, with an optical sensor of the linear ne displacements for fixing the strip in the required size for the process of cutting the strip into strip blanks using hydraulic guillotine shears, after the second straightening device there is a second strip processing unit, including a cutting section with a movable locking device equipped with two gripping devices, with an optical linear displacement sensor to fix the strip in the required size for the process of cutting the strip into strip blanks using hydraulic guillotine shears, and to ensure the movement, according to program control, of the strip blank to the bending section to obtain an L-shaped blank, after the third straightening device there is a third a strip processing unit, including a cutting section with a movable locking device equipped with two gripping devices, with an optical linear displacement sensor for fixing the strip to the required size for the process of cutting the strip into strip blanks using y hydraulic guillotine shears, and to ensure the movement, according to program control, of the workpiece - strip to the deformation section to obtain a profiled workpiece, at the end of the first, second, third blocks there is a supporting rotary table for setting the workpieces from each block in a certain sequence using the first robotic a six-axis manipulator, which is equipped with a gripping device for moving each type of workpieces, and a second robotic six-axis manipulator with a spot welder for welding and assembling the finished frame product.

The figure shows a schematic diagram of a production line for the manufacture of metal frame products.

The production line contains at least three feeders 1, 2, 3 for rolls of sheet material in the form of a tape.

After the pay-off devices 1, 2, 3 there is a section for preliminary processing of the tape, containing at least three straightening devices 4, 5, 6, each of which is installed opposite the corresponding pay-off device 1, 2, 3.

After the first straightening device 4, the first tape processing unit is located. The block contains a cutting section 7 with hydraulic guillotine shears. As well as a movable fixing device equipped with a gripping device with an optical linear displacement transducer for fixing the band in the required size for the process of cutting the band into strip blanks using hydraulic guillotine shears. In this case, the optical linear displacement sensor interacts with the program controller (PC) about the position of the strip blank.

The movable locking device consists of a linear axis and a gripping device, which is fixed on this axis with the ability to move along it.

After the second straightening device 5, a second tape processing unit is located.

The second block includes a cutting section 8 with a movable fixing device equipped with two gripping devices, with an optical linear displacement sensor for fixing the strip to the required size for the process of cutting the strip into strip blanks to ensure movement, according to program control (PC), of the strip blank to the bending section 9 to obtain an L-shaped workpiece (angle, for example, according to GOST 8509-93). The cutting of the strip into strip blanks is carried out using hydraulic guillotine shears. The bending section 9 contains a deforming tool for bending, on which it is possible to obtain a bent L-shaped workpiece.

The movable locking device consists of a linear axis and two gripping devices, which are fixed on this axis with the ability to move along it.

After the third straightening device 6, a third tape processing unit is located. The third strip processing unit contains a cutting section 10 with a movable locking device equipped with two gripping devices, with an optical linear displacement sensor for fixing the strip in the required size for carrying out the process of cutting the strip into strip blanks, and for ensuring movement, according to program control (PC) , blanks - strips on the deformation section 11 to obtain a profiled blank, for example a U-shaped type.

Cutting section 10 is equipped with hydraulic guillotine shears to obtain a strip-blank.

The deformation section 11 contains a software-controlled deforming tool, such as a die and a punch, with the possibility of obtaining a wide range of shaped products with various configurations and standard sizes.

At the end of the first, second, third blocks, namely, installed at the end of sections 7, 9 and 11, there is a supporting rotary table 12 for installing blanks from each block in a certain sequence using the first robotic six-axis manipulator 13.

The second robotic six-axis manipulator 14 with a spot welder for welding and assembling the finished frame product is located after the supporting rotary table 12.

The first robotic six-axis manipulator 13 contains a gripper for moving each type of workpiece.

The production line works as follows.

Rolls with metal tape are installed on pay-off devices 1, 2, 3.

Further, the belts pass through the straightening devices 4, 5, 6 and each fall on its own separate processing unit.

On the first block, the tape is fixed to the required size using a movable fixing device and a sensor installed on it, then a hydraulic guillotine shears chops the tape into strip-blanks to size.

On the second block, the tape is fixed to the required size by means of two gripping devices using movable fixing devices and a sensor installed on it. Next, hydraulic guillotine shears cut the strip into strips to size. The strip blanks enter the bending section 9, where the bending device deforms the strip blanks into an L-shaped blank. Thanks to movable programmable grippers, belts of various configurable configurations are flexible.

On the third block, the tape is fixed to the required size using a movable fixing device and a sensor installed on it. Next, hydraulic guillotine shears cut the strip into strips to size. Next, the tape enters the deformation section 11 of the strip blank using a software-adjustable deforming tool.

As a result, with the help of a customizable programmable tool, profiled blanks of various configurations and standard sizes are obtained.

Further, with the help of the first robotic six-axis manipulator 13 and the gripping device installed on it, the workpieces from the three sections are moved to the welding and assembly section.

The grippers, equipped with a controlled magnetic base, are set on the supporting rotary table 12, equipped with actuators, in the required configuration using the first six-axis manipulator 13.

Further, the workpieces with the help of the second six-axis robotic manipulator 14, equipped with a spot welding apparatus, welds and assembles the frame product according to a given program.

This design of the production line allows the manufacture of frame products with improved consumer properties compared to the existing analogs, increase the resource of the frame product by at least 1.5 times, and also allows you to save time and material costs with a material utilization rate of at least 10% higher and reduce the time for the production of frame containers by 4 times in comparison with the manual method of labor organization.

Due to the fact that in the production line for the manufacture of metal frame products, including a section for pre-processing sheet material, after which there is a section for cutting sheet material, a section for bending, a manipulator with the ability to move the material using a gripper between the sections and with the ability to mount the material on the support table, and the section for welding and assembly of the finished product, in contrast to the known production line, contains at least three feeders for rolls of sheet material in the form of a tape, which are located in front of the section for pretreating the tape, containing at least three straightening devices , each of which is installed opposite the corresponding pay-off device, after the first straightening device there is a first belt processing unit, including a cutting section with a movable fixing device equipped with a gripping device, with an optical linear displacement sensor for fixing strips to the required size for the process of cutting the strip into strip blanks using hydraulic guillotine shears, after the second straightening device there is a second strip processing unit, including a cutting section with a movable fixing device equipped with two gripping devices, with an optical linear sensor for fixing the belt to the required size for the process of cutting the strip into strip blanks using hydraulic guillotine shears, and to ensure the movement, according to program control, of the strip blank to the bending section to obtain an L-shaped blank, after the third straightening device there is a third strip processing unit , including a cutting section with a movable fixing device equipped with two gripping devices, with an optical linear displacement sensor for fixing the strip in the required size for the process of cutting the strip into strip blanks using hydraulic guillo shears, and to ensure the movement, according to program control, of the workpiece - a strip on the deformation section to obtain a profiled workpiece, at the end of the first, second, third blocks there is a supporting rotary table for installing workpieces from each block in a certain sequence using the first robotic six-axis manipulator , which is equipped with a gripping device for moving each type of workpieces, and a second robotic six-axis manipulator with a spot welder for welding and assembling the finished frame product, an increase in productivity and quality of fabrication of frame-shaped products is achieved, due to an increase in accuracy during welding and assembly of the finished product ...

Claims (1)

A production line for the production of metal frame products, comprising a section for pretreating sheet material in the form of a strip, a section for bending a workpiece, a support table, a first manipulator equipped with a gripping device configured to mount the workpieces on a support table, and a section for welding and assembling a metal frame product, characterized in that the support table is rotary, the first manipulator is made of a robotic six-axis, the production line contains at least three feed dispensers for rolls of tape, which are located in front of the belt pretreatment section containing at least three straightening devices, each of which is installed opposite the corresponding the pick-off device, while after the first straightening device there is a first strip processing unit, including a strip cutting section into strip blanks, containing hydraulic guillotine shears and a movable fixing device, which is equipped with a gripping device A device with an optical linear displacement sensor for fixing the tape to the required size when cutting, after the second straightening device there is a second tape processing unit, including a section for cutting the tape into strip blanks, containing hydraulic guillotine shears and two movable fixing devices, each of which is equipped with a gripper a device with an optical linear displacement sensor for fixing the tape to the required size when performing cutting, said bending section is configured to obtain an L-shaped workpiece and contains gripping devices with programmed control for moving the workpiece, after the third straightening device there is a third tape processing unit containing hydraulic guillotine shears and two movable fixing devices, each of which is equipped with a gripping device with an optical linear displacement transducer for fixing the tape to the required size when performing cutting and section deformation to obtain a profiled workpiece, containing program-controlled gripping devices to ensure the movement of the workpiece, while at the end of the first, second and third blocks for processing the tape there is a specified support table for sequential installation of workpieces from each specified block for processing the tape using the first robotic six-axis manipulator, and the section for welding and assembling a metal frame product is equipped with a second robotic six-axis manipulator with a spot welder.

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