CN112388253B - Manufacturing process of steel structure welding I-shaped steel - Google Patents

Manufacturing process of steel structure welding I-shaped steel Download PDF

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CN112388253B
CN112388253B CN202011159356.1A CN202011159356A CN112388253B CN 112388253 B CN112388253 B CN 112388253B CN 202011159356 A CN202011159356 A CN 202011159356A CN 112388253 B CN112388253 B CN 112388253B
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plate
flange plate
welding
shaped
lower flange
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CN112388253A (en
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王兴
孙亮
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SHAN DONG JUXIN GROUP STEEL STRUCTURE Co.,Ltd.
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Shan Dong Juxin Group Steel Structure Co ltd
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    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
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Abstract

The invention relates to the technical field of I-steel manufacturing, in particular to a manufacturing process of a steel structure welding I-steel, wherein a welding device used in the process comprises a base, a clamping block, a supporting column and a controller; the cross section of the base is circular, and the upper end of the base is fixedly connected with a first arc-shaped plate and a second arc-shaped plate; the first arc-shaped plate and the second arc-shaped plate are arranged concentrically, and electric push rods are arranged on the surfaces, close to each other, of the first arc-shaped plate and the second arc-shaped plate; the end part of the electric push rod is fixedly connected with a first connecting rod; two ends of the first connecting rod are connected with the support columns in a rolling manner; the welding device used in the manufacturing process of the steel structure welding I-shaped steel clamps the upper flange plate and the lower flange plate through the clamping blocks and clamps the web plate through the abutting columns, and simultaneously drives the push plate to move and match through the motor, so that the bent I-shaped steel can be directly welded and formed, the problem of cracking of the I-shaped steel in the bending process is avoided, and the manufacturing efficiency and the quality of the I-shaped steel are greatly improved.

Description

Manufacturing process of steel structure welding I-shaped steel
Technical Field
The invention relates to the technical field of I-shaped steel manufacturing, in particular to a manufacturing process for welding an I-shaped steel by a steel structure.
Background
The I-steel is also called steel beam and is long steel bar with I-shaped section; the I-steel comprises common I-steel and light I-steel; the I-steel is widely used in the fields of various building structures, bridges, vehicles, supports, machinery and the like; in the field of building construction, I-beams with certain curvature are often used, while I-beams purchased from suppliers are straight, and some of the I-beams can be used after being bent to a certain radian; the application of the special bending machine which is specially used in building construction and is currently on the market is unnecessary; the reason is that the construction progress is slow, and the bent I-steel required every day is less, so that the existing special bending machine in the market has certain non-ideal production capacity and cost under the condition; meanwhile, the welded part of the I-steel is easy to crack in the bending process, and the quality of the I-steel is influenced, so that a manufacturing process which can directly weld and form the bent I-steel without bending by a bending machine is urgently needed in the market at present.
Some technical schemes related to the manufacturing process of the steel structure welding I-shaped steel also appear in the prior art, for example, a Chinese patent with the application number of CN202010310294.3 discloses the manufacturing process of the steel structure welding I-shaped steel, and the technical scheme comprises the following steps: 1. blanking the upper flange plate, the lower flange plate and the web plate; 2. forming and correcting the upper flange plate or the lower flange plate; 3. web plate molding; 4. assembling the upper flange plate, the lower flange plate and the web plate; 5. welding the upper flange plate, the lower flange plate and the web plate; 6. correcting; 7. eliminating internal stress; the flange plate of the steel structure welded I-shaped steel belt inclined plane manufactured by the manufacturing process not only keeps the excellent section characteristics of the traditional I-shaped steel, but also overcomes the defect that the traditional I-shaped steel can not process the section bar for the large-section structure; however, according to the technical scheme, the bent I-shaped steel cannot be directly welded, so that the I-shaped steel still needs to be bent through the bending machine, the defect that the quality of the bent I-shaped steel is low is caused, and the limitation of the technical scheme is further caused.
In view of the above, in order to overcome the above technical problems, the invention provides a manufacturing process of welding an i-shaped steel with a steel structure, which adopts a special welding device to solve the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the welding device used in the manufacturing process of the steel structure welding I-shaped steel provided by the invention clamps the upper flange plate and the lower flange plate through the clamping blocks and clamps the web plate through the abutting columns, and simultaneously drives the push plate to move and match through the motor, so that the bent I-shaped steel can be directly welded and formed, meanwhile, the problem that the I-shaped steel is cracked in the bending process is avoided, and the manufacturing efficiency and the quality of the I-shaped steel are greatly improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a manufacturing process of a steel structure welding I-shaped steel, which comprises the following steps:
s1: cutting: cutting the steel plate into an upper flange plate and a lower flange plate through a cutting machine, and polishing the surfaces, close to the upper flange plate and the lower flange plate, of the upper flange plate and the lower flange plate to enable the upper flange plate and the lower flange plate to be thin in the outer part and thick in the inner part; bending the steel plate into a web plate by a bending device; the upper flange plate, the lower flange plate and the web plate are manufactured in advance, so that preparation is made for I-shaped steel welding, and the manufacturing efficiency of welding the I-shaped steel by using a steel structure is improved;
s2: clamping: the method comprises the following steps that a worker pulls two clamping blocks in a welding device to move away, then an upper flange plate and a lower flange plate are clamped through the two corresponding clamping blocks, a controller in the welding device is started, and the controller controls an electric push rod to drive two abutting columns to press a web plate; the clamping of the upper flange plate and the lower flange plate by the clamping blocks and the clamping of the web plate by the abutting columns improve the stability of the I-shaped steel in the welding process, so that the welding forming effect of the I-shaped steel is improved;
s3: welding and forming: the controller controls the welding machine to work, so that the welding machine welds welding seams among the upper flange plate, the lower flange plate and the web plate in the moving process, and the I-shaped steel is welded and formed; the bent I-shaped steel can be directly welded and formed by clamping the upper flange plate and the lower flange plate through the clamping block and clamping the web plate through the abutting column, and simultaneously, the push plate is driven by the motor to move and match, so that the problem that the I-shaped steel is cracked in the bending process is avoided, and the manufacturing efficiency and the quality of the I-shaped steel are greatly improved;
the welding device used in the S2-S3 comprises a base, a clamping block, a support column and a controller; the cross section of the base is circular, and the upper end of the base is fixedly connected with a first arc-shaped plate and a second arc-shaped plate; the first arc-shaped plate and the second arc-shaped plate are arranged concentrically, and one surfaces of the first arc-shaped plate and the second arc-shaped plate, which are close to each other, are provided with a group of electric push rods; the end parts of the telescopic ends of the two groups of electric push rods are arranged oppositely, and the end parts of the electric push rods are fixedly connected with a first connecting rod; two ends of the first connecting rod are connected with the support columns in a rolling manner; a rectangular groove is formed in the upper end of the base; the rectangular groove is positioned between the first arc-shaped plate and the second arc-shaped plate; the rectangular groove is connected with a sliding block in a sliding manner, and a first spring is arranged in the rectangular groove; one end of the first spring is connected with the groove wall of the rectangular groove, and the other end of the first spring is connected with the sliding block; two adjacent sliding blocks move close to each other under the action of a first spring; the upper end of the sliding block is fixedly connected with a fixed rod; the fixed rod is rotatably connected with two clamping blocks; the cross section of the fixture block is dumbbell-shaped; a motor is arranged in the center of the base; an output shaft of the motor is fixedly connected with a second connecting rod; the end part of the second connecting rod is fixedly connected with a push plate; the end face of the push plate faces the motor, the push plate can move between the two fixing rods under the driving of the motor, and the height of the push plate is larger than that of the I-shaped steel; the upper end of the base is provided with a welding gun; one end of the welding gun faces the welding seam, and the other end of the welding gun is connected with a welding machine; the controller is used for controlling the welding device to automatically operate;
when the I-steel bending machine is used, after the I-steel is required to be welded, the I-steel is bent into a required angle through the bending machine, the manufacturing cost of the I-steel is high, the efficiency is low, and meanwhile, the welding position of the I-steel is easy to crack in the bending process, so that the quality of the I-steel is influenced; therefore, after the upper flange plate, the lower flange plate and the web plate are cut by a worker, the upper end of the base is provided with the rectangular groove, the sliding block is connected in the rectangular groove in a sliding manner, the worker can stir the sliding block to slide along the rectangular groove, so that the two sliding blocks can move away, the upper end of the sliding block is fixedly connected with the fixed rod, the fixed rod is rotatably connected with the two clamping blocks, so that the sliding block can move to drive the two corresponding clamping blocks to move, the worker can place the upper flange plate and the lower flange plate between the two opposite clamping blocks, the rectangular groove is internally provided with the first spring, two adjacent sliding blocks move close to each other under the action of the first spring, so that the upper flange plate and the lower flange plate are clamped through the first spring, the worker starts the controller to control the electric push rod to shorten, and the first connecting rod is fixedly connected to the end part of the electric push rod, so that the two corresponding first connecting rods can move away, the web plate is placed between two corresponding first connecting rods by a worker, the controller controls the electric push rod to extend, so that the two corresponding first connecting rods move close to each other, the two ends of the first connecting rod are connected with the abutting columns in a rolling mode, the electric push rod drives the corresponding abutting columns to compress the web plate tightly, the controller controls the motor to rotate again, the output shaft of the motor is fixedly connected with the second connecting rod, the end part of the second connecting rod is fixedly connected with the push plate, the motor rotates to drive the push plate to rotate, the push plate can move between the two fixed rods under the driving of the motor, the height of the push plate is larger than that of the I-shaped steel, the upper flange plate, the lower flange plate and the web plate can be pushed to move when the push plate moves, the controller controls the welding machine to work, one end of the welding gun faces a welding seam, the other end of the welding gun is connected with the welding machine, and the welding machine can move the upper flange plate, the lower flange plate and the web plate in the moving process, Welding the welding seam between the lower flange plate and the web plate; according to the invention, the upper flange plate and the lower flange plate are clamped by the clamping block and the web plate is clamped by the abutting column, and the push plate is driven by the motor to move and match with each other, so that the bent I-shaped steel can be directly welded and formed, the problem of cracking of the I-shaped steel in the bending process is avoided, and the manufacturing efficiency and quality of the I-shaped steel are greatly improved.
Preferably, a circular groove is formed in the outer wall of the support column; the knocking rod is connected in the circular groove in a sliding manner, and a second spring is arranged in the circular groove; one end of the second spring is connected with the bottom of the circular groove, and the other end of the second spring is connected with the knocking rod; when the flange plate is used, the upper flange plate, the lower flange plate and the web plate are cut and formed, so that dust and scrap iron are remained on the surfaces of the upper flange plate, the lower flange plate and the web plate, and the welding effect of the welding seam of the I-shaped steel is influenced; therefore, in the invention, when a worker pushes the upper flange plate, the lower flange plate and the web plate to move through the push plate, the web plate moves to drive the abutting column to rotate around the first connecting rod due to the contact of the abutting column and the web plate, the abutting column drives the knocking rod to move due to the fact that the circular groove is formed in the outer wall of the abutting column and the knocking rod is connected in the circular groove in a sliding mode, the abutting column drives the knocking rod to collide with the web plate through the abutting column, the web plate vibrates after being collided, dust and scrap iron on the web plate fall off after being vibrated, the web plate contacts the upper flange plate and the lower flange plate, the web plate transmits vibration force to the upper flange plate and the lower flange plate, the scrap iron and the dust on the upper flange plate and the lower flange plate fall off after being vibrated, the knocking rod slides to the bottom of the circular groove along the circular groove after being collided with the web plate, the knocking rod cannot block the movement of the abutting column, and the second spring is arranged in the circular groove after the knocking rod is far away from the web plate, therefore, the second spring can push the knocking rod out along the circular groove; according to the invention, the upper flange plate, the lower flange plate and the web plate are pushed to move by the push plate, and then the push plate and the abutting column drive the knocking rod to knock and match the web plate, so that dust and iron chips on the upper flange plate, the lower flange plate and the web plate fall off under the action of vibration, the cleanness of welding seams among the upper flange plate, the lower flange plate and the web plate is further ensured, the welding effect of the I-shaped steel is improved, and the quality of the I-shaped steel is further improved.
Preferably, the support column is internally provided with an air hole; one end of the air hole is communicated with the bottom of the circular groove, and the other end of the air hole is positioned on the outer wall of the support column; when the knocking rod is used, after the knocking rod is contacted with the web plate, the knocking rod can slide to the bottom of the circular groove along the circular groove, in the sliding process of the knocking rod, the inner space of the circular groove can be reduced, so that the air pressure in the circular groove can be increased, the air hole is formed in the abutting column, one end of the air hole is communicated with the bottom of the circular groove, so that air in the circular groove moves into the air hole, the other end of the air hole is positioned on the outer wall of the abutting column, the air hole can be sprayed out along the outer wall of the abutting column, the air flow can impact dust and scrap iron on the web plate, and the dust and the scrap iron fall off under the impact of the air flow; according to the invention, the knock rod is driven by the support column to knock the web plate to be matched with the gas sprayed from the other end of the gas hole, so that dust and scrap iron on the web plate fall off more quickly under the impact of the airflow, the cleanness of welding seams among the upper flange plate, the lower flange plate and the web plate is further improved, and the welding effect of the I-shaped steel is further improved.
Preferably, the end part of the knocking rod close to the welding part is fixedly connected with a cutter; the two cutters are arranged in a crossed manner and are perpendicular to the end face of the knocking rod; when the device is used, burrs on the web plate cannot be cleaned under the action of air flow and vibration, so that the welding effect of the I-shaped steel is influenced; therefore, in the process that the abutting column drives the knocking rod to knock the web, the cutter is fixedly connected to the end of the knocking rod, the knocking rod drives the cutter to move, the knocking rod drives the cutter to cut burrs, the burrs are cut up through the cutter and then matched with air flow sprayed out of the other end of the air hole, the cut burrs on the web fall off under the action of the air flow, the cleanness of welding seams among the upper flange plate, the lower flange plate and the web is further improved, and the strength of the cutter is further improved by arranging the two cutters in a crossed mode.
Preferably, the outer wall of the support column is also provided with a strip-shaped groove; the section of each strip-shaped groove is V-shaped, the strip-shaped grooves are uniformly distributed on the outer wall of the support column, and the specifications of two adjacent strip-shaped grooves are different; when the connecting rod is used, the friction force between the abutting column and the web is limited, so that the outer wall of the abutting column is easy to slip with the web, the rotating effect of the abutting column around the first connecting rod is influenced, and the abutting column is further influenced to drive the knocking rod to move; therefore, in the movement process of pushing the upper flange plate, the lower flange plate and the web plate by the push plate, the outer wall of the support column is provided with the strip-shaped groove, the section of the strip-shaped groove is V-shaped, so that the contact area between the outer wall of the support column and the web plate is reduced, the friction force between the support column and the web plate is increased under the condition that the pressure of the support column against the web plate is unchanged, the slip probability of the outer wall of the support column and the web plate is reduced, the rotation stability of the support column around the first connecting rod is further improved, and the rotation stability of the support column around the first connecting rod is further improved by setting the specifications between two adjacent strip-shaped grooves to be different.
Preferably, a corrugated sleeve is arranged in the rectangular groove; the corrugated sleeve is sleeved on the first spring, one end of the corrugated sleeve is connected to the sliding block, and the other end of the corrugated sleeve is connected to the groove wall of the rectangular groove; when the sliding block is used, the scrap iron and impurities on the upper flange plate, the lower flange plate and the web plate fall on the upper end of the base under the action of gravity, and the impurities are easy to fall in the rectangular groove due to the rectangular groove formed in the upper end of the base, so that the sliding of the sliding block in the rectangular groove is influenced; therefore, the corrugated sleeve is arranged in the rectangular groove, and meanwhile, the corrugated sleeve is sleeved on the first spring, so that the iron chips and the impurities cannot move into the rectangular groove, the iron chips and the impurities cannot be clamped near the first spring, the stability of the sliding block in the rectangular groove is ensured, and the actual application effect of the welding device is improved.
Preferably, the fixture block consists of a sleeve and two annular blocks; one of the annular blocks is connected with the sleeve through a tension spring, and the other annular block is fixedly connected with the sleeve; when the welding device is used, I-shaped steel with different thicknesses of the upper flange plate and the lower flange plate cannot be welded by the welding device, so that the welding device is not high in practicability; therefore, the clamping block is composed of the sleeve and the two annular blocks, and one of the annular blocks is connected with the sleeve through the tension spring, so that a worker only needs to pull one of the annular blocks to increase the distance between the other annular block and the sleeve, the thickness range of the clamping block for clamping the upper flange plate and the lower flange plate is increased, the two annular blocks are tensioned through the tension spring, the stability of the upper flange plate and the lower flange plate in the welding process is improved, and the application range of the welding device is enlarged.
Preferably, a first bulge is arranged on the outer wall of the sleeve; the first bulge is semicircular, and a through hole is formed in the corrugated sleeve; the orifice of the through hole is fixedly connected with an L-shaped pipe; the orifice of the L-shaped pipe faces the web; when the device is used, the impact effect of the airflow generated by the other end of the air hole on impurities and scrap iron is limited, so that the cleaning effect of the welding seams among the upper flange plate, the lower flange plate and the web plate is limited; therefore, in the invention, because the fixed rod is connected with the two clamping blocks in a rotating way, the clamping blocks can rotate around the fixed rod when the push plate pushes the upper flange plate, the lower flange plate and the web plate to move, because the clamping blocks are composed of the sleeve and the two annular blocks, and the outer wall of the sleeve is provided with the first bulge, the clamping blocks can move along the rectangular groove through the sliding blocks in the contact process of the first bulge and the upper flange plate and the lower flange plate, so that the first spring is compressed, because the corrugated sleeve is sleeved on the first spring, the internal air pressure of the corrugated sleeve is increased after the corrugated sleeve is compressed, because the corrugated sleeve is provided with the through hole, the gas in the corrugated sleeve can be discharged along the through hole, because the orifice of the through hole is fixedly connected with the L-shaped pipe, the gas sprayed out from the through hole can enter the L-shaped pipe, because the orifice of the L-shaped pipe faces the web plate, the gas can be sprayed out along the orifice of the L-shaped pipe and then is matched with the gas sprayed out from the other end of the air cylinder, the cleanness of the web plate is enhanced again, and the cleaning effect of the welding seams among the upper flange plate, the lower flange plate and the web plate is enhanced again.
Preferably, one surface of one of the annular blocks, which is close to the sleeve, is provided with an annular groove; an inclined plate is fixedly connected in the annular groove; the inclined plates are uniformly distributed in the annular groove; when the fixture block is used, the friction force between the fixture block and the upper flange plate and between the fixture block and the lower flange plate is limited, so that the fixture block is easy to slip with the upper flange plate and the lower flange plate, and the rotating effect of the fixture block around the fixing rod is influenced; therefore, the annular groove is formed in one surface, close to the sleeve, of one of the annular blocks, and the inclined plate is fixedly connected in the annular groove, so that the contact area between one surface of one of the annular blocks and the upper flange plate and the lower flange plate is reduced, the friction force between one of the annular blocks and the upper flange plate and the lower flange plate is increased, the stability of the fixture block rotating around the fixing rod is improved, and the stability of the fixture block driving the sliding block to slide along the rectangular groove is improved.
Preferably, one surface of the other annular block close to the sleeve is fixedly connected with a spring sheet; the elastic sheets are uniformly distributed on the end face of one of the annular plates; when the device is used, the inclination is arranged on the surface, close to the upper flange plate, of the lower flange plate, so that the limiting effect of the clamping block on the upper flange plate and the lower flange plate is limited, and the stability of the upper flange plate and the lower flange plate in the moving process is influenced; therefore, the elastic sheet is fixedly connected to one surface, close to the sleeve, of the other annular block, so that the elastic sheet abuts against one surface, close to the upper flange plate and the lower flange plate, of the upper flange plate and the lower flange plate, the stability of the upper flange plate and the lower flange plate in the moving process is improved, clamping is performed on the surface, close to the upper flange plate and the lower flange plate, of the upper flange plate and the lower flange plate with different gradients through the elastic sheet, and the practicability of the clamping block is enhanced.
Preferably, one surface of the elastic sheet close to the sleeve is provided with a second bulge; the section of the second bulge is semicircular, and the second bulge is randomly distributed on one surface of the elastic sheet; when the clamping block is used, the second bulge is arranged on the surface, close to the sleeve, of the elastic sheet, so that the contact area of the elastic sheet and the surface, close to the upper flange plate and the lower flange plate, of the elastic sheet is reduced, the friction force between the elastic sheet and the upper flange plate and between the elastic sheet and the lower flange plate is increased, the stability of the clamping block rotating around the fixing plate is improved, and the actual application effect of the welding device is improved.
The invention has the following beneficial effects:
1. the welding device used in the invention clamps the upper flange plate and the lower flange plate through the clamping blocks and clamps the web plate through the abutting columns, and simultaneously drives the push plate to move and match through the motor, so that the bent I-shaped steel can be directly welded and formed, the problem of cracking of the I-shaped steel in the bending process is avoided, and the manufacturing efficiency and the quality of the I-shaped steel are greatly improved.
2. The welding device used in the invention pushes the upper flange plate, the lower flange plate and the web plate to move through the push plate, and then the upper flange plate, the lower flange plate and the web plate are driven by the abutting column to knock the rod to knock and match the web plate, so that dust and scrap iron on the upper flange plate, the lower flange plate and the web plate fall off under the action of vibration, the cleanness of welding seams among the upper flange plate, the lower flange plate and the web plate is further ensured, the welding effect of the I-shaped steel is improved, and the quality of the I-shaped steel is further improved.
3. The welding device used in the invention drives the knocking rod to knock the web plate through the abutting column to be matched with the gas sprayed from the other end of the gas hole, so that dust and scrap iron on the web plate fall off more quickly under the impact of the airflow, the cleanness of welding seams among the upper flange plate, the lower flange plate and the web plate is further improved, and the welding effect of the I-shaped steel is further improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a view showing a state where an I-beam is welded by the welding apparatus of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a perspective view of the welding apparatus of the present invention;
FIG. 5 is an enlarged view at B in FIG. 4;
FIG. 6 is a block diagram of the sleeve and ring block of the welding apparatus of the present invention;
FIG. 7 is a perspective view of a support post in the welding apparatus of the present invention;
FIG. 8 is a cross-sectional view of a post in the welding apparatus of the present invention;
in the figure: the welding gun comprises a base 1, a first arc-shaped plate 11, a second arc-shaped plate 12, an electric push rod 13, a first connecting rod 14, a rectangular groove 15, a sliding block 151, a first spring 152, a fixing rod 153, a corrugated sleeve 154, a through hole 155, an L-shaped pipe 156, a motor 16, a second connecting rod 161, a push plate 162, a fixture block 2, a sleeve 21, a first protrusion 211, an annular block 22, an annular groove 221, an inclined plate 222, an elastic sheet 223, a second protrusion 224, a tension spring 23, a support column 3, a circular groove 31, a knock rod 32, a second spring 33, an air hole 34, a cutter 35, a strip-shaped groove 36 and a welding gun 4.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 8, the manufacturing process of the steel structure welding i-steel of the present invention comprises the following steps:
s1: cutting: cutting the steel plate into an upper flange plate and a lower flange plate through a cutting machine, and polishing the surfaces, close to the upper flange plate and the lower flange plate, of the upper flange plate and the lower flange plate to enable the upper flange plate and the lower flange plate to be thin in the outer part and thick in the inner part; bending the steel plate into a web plate by a bending device; the upper flange plate, the lower flange plate and the web plate are manufactured in advance, so that preparation is made for I-shaped steel welding, and the manufacturing efficiency of welding the I-shaped steel by using a steel structure is improved;
s2: clamping: a worker pulls the two clamping blocks 2 in the welding device to move away, the upper flange plate and the lower flange plate are clamped by the two corresponding clamping blocks 2, a controller in the welding device is started, and the controller controls the electric push rod 13 to drive the two abutting columns 3 to tightly press the web; the clamping of the upper flange plate and the lower flange plate by the clamping block 2 and the clamping of the web plate by the support column 3 improve the stability of the I-shaped steel in the welding process, so that the welding forming effect of the I-shaped steel is improved;
s3: welding and forming: the worker controls the motor 16 in the welding device to work through the controller, so that the motor 16 drives the push plate 162 to move, the push plate 162 pushes the upper flange plate, the lower flange plate and the web plate to move, and the controller controls the welding machine to work again, so that the welding machine welds the welding seams among the upper flange plate, the lower flange plate and the web plate in the moving process, and the I-shaped steel is welded and formed; the bent I-shaped steel can be directly welded and formed by clamping the upper flange plate and the lower flange plate through the clamping block 2 and clamping the web plate through the abutting column 3, and simultaneously, the push plate 162 is driven by the motor 16 to move and match, so that the problem of cracking of the I-shaped steel in the bending process is avoided, and the manufacturing efficiency and the quality of the I-shaped steel are greatly improved;
the welding device used in the S2-S3 comprises a base 1, a fixture block 2, a support column 3 and a controller; the cross section of the base 1 is circular, and the upper end of the base 1 is fixedly connected with a first arc-shaped plate 11 and a second arc-shaped plate 12; the first arc-shaped plate 11 and the second arc-shaped plate 12 are arranged concentrically, and one surfaces, close to the first arc-shaped plate 11 and the second arc-shaped plate 12, of the first arc-shaped plate and one surface, close to the second arc-shaped plate 12, of the second arc-shaped plate are provided with a group of electric push rods 13; the end parts of the telescopic ends of the two groups of electric push rods 13 are arranged oppositely, and the end part of each electric push rod 13 is fixedly connected with a first connecting rod 14; two ends of the first connecting rod 14 are connected with the support columns 3 in a rolling manner; the upper end of the base 1 is provided with a rectangular groove 15; the rectangular groove 15 is positioned between the first arc-shaped plate 11 and the second arc-shaped plate 12; the rectangular groove 15 is connected with a sliding block 151 in a sliding mode, and a first spring 152 is arranged in the rectangular groove 15; one end of the first spring 152 is connected with the groove wall of the rectangular groove 15, and the other end is connected with the sliding block 151; two adjacent sliding blocks 151 move close to each other under the action of a first spring 152; the upper end of the sliding block 151 is fixedly connected with a fixed rod 153; the fixed rod 153 is rotatably connected with two clamping blocks 2; the cross section of the fixture block 2 is dumbbell-shaped; a motor 16 is arranged in the center of the base 1; an output shaft of the motor 16 is fixedly connected with a second connecting rod 161; the end part of the second connecting rod 161 is fixedly connected with a push plate 162; the end surface of the push plate 162 faces the motor 16, the push plate 162 can move between the two fixing rods 153 under the driving of the motor 16, and the height of the push plate 162 is greater than that of the I-steel; the upper end of the base 1 is provided with a welding gun 4; one end of the welding gun 4 faces to the welding seam, and the other end of the welding gun 4 is connected with a welding machine; the controller is used for controlling the welding device to automatically operate;
when the I-steel bending machine is used, after the I-steel is required to be welded, the I-steel is bent into a required angle through the bending machine, the manufacturing cost of the I-steel is high, the efficiency is low, and meanwhile, the welding position of the I-steel is easy to crack in the bending process, so that the quality of the I-steel is influenced; therefore, in the invention, after the upper flange plate, the lower flange plate and the web plate are cut by a worker, because the rectangular groove 15 is arranged at the upper end of the base 1 and the sliding block 151 is connected in the rectangular groove 15 in a sliding manner, the worker can stir the sliding block 151 to slide along the rectangular groove 15, so that the two sliding blocks 151 move far away, because the upper end of the sliding block 151 is fixedly connected with the fixed rod 153, the two clamping blocks 2 are connected on the fixed rod 153 in a rotating manner, so that the sliding block 151 moves to drive the two corresponding clamping blocks 2 to move, so that the worker can place the upper flange plate and the lower flange plate between the two opposite clamping blocks 2, because the first spring 152 is arranged in the rectangular groove 15, the two adjacent sliding blocks 151 move close to each other under the action of the first spring 152, so that the upper flange plate and the lower flange plate are clamped through the first spring 152, the worker starts the controller to control the electric push rod 13 to shorten, because the end part of the electric push rod 13 is fixedly connected with the first connecting rod 14, the two corresponding first connecting rods 14 are far away from each other, a worker places a web plate between the two corresponding first connecting rods 14, the controller controls the electric push rod 13 to extend, so that the two corresponding first connecting rods 14 move close to each other, the two ends of the first connecting rod 14 are in rolling connection with the abutting columns 3, the electric push rod 13 drives the corresponding abutting columns 3 to press the web plate tightly, the controller controls the motor 16 to rotate, the motor 16 rotates to drive the push plate 162 to rotate, the push plate 162 can move between the two fixed rods 153 under the driving of the motor 16, the height of the push plate 162 is larger than that of an I-steel, the upper flange plate, the lower flange plate and the web plate can be pushed to move when the push plate 162 moves, the controller controls the welding machine to work, one end of the welding gun 4 faces towards a welding seam, the other end of the welding gun 4 is connected with a welding machine, so that the welding machine is used for welding the welding seams among the upper flange plate, the lower flange plate and the web plate in the moving process; according to the invention, the upper flange plate and the lower flange plate are clamped by the clamping block 2, the web plate is clamped by the support column 3, and the push plate 162 is driven by the motor 16 to move and match, so that the bent I-steel can be directly welded and formed, the problem of cracking of the I-steel in the bending process is avoided, and the manufacturing efficiency and quality of the I-steel are greatly improved.
As an embodiment of the present invention, a circular groove 31 is provided on the outer wall of the support column 3; the knocking rod 32 is connected in the circular groove 31 in a sliding mode, and a second spring 33 is arranged in the circular groove 31; one end of the second spring 33 is connected with the bottom of the circular groove 31, and the other end of the second spring is connected with the knocking rod 32; when the flange plate is used, the upper flange plate, the lower flange plate and the web plate are cut and formed, so that dust and scrap iron are remained on the surfaces of the upper flange plate, the lower flange plate and the web plate, and the welding effect of the welding seam of the I-shaped steel is influenced; therefore, in the invention, when a worker pushes the upper flange plate, the lower flange plate and the web plate to move through the push plate 162, the motion of the web plate drives the prop 3 to rotate around the first connecting rod 14 because the prop 3 is in contact with the web plate, the motion of the web plate drives the prop 3 to rotate around the first connecting rod 14 because the circular groove 31 is arranged on the outer wall of the prop 3, the knock rod 32 is slidably connected in the circular groove 31, the prop 3 drives the knock rod 32 to move, the knock rod 32 is driven by the prop 3 to collide with the web plate, the web plate vibrates after being collided, dust and scrap iron on the web plate fall off after being vibrated, the web plate contacts with the upper flange plate and the lower flange plate, the web plate transmits vibration force to the upper flange plate and the lower flange plate, the scrap iron and the dust on the upper flange plate and the lower flange plate fall off after being vibrated, the knock rod 32 slides to the bottom of the circular groove 31 along the circular groove 31 after colliding with the web plate, and the knock rod 32 cannot block the motion of the prop 3, when the knocking rod 32 is far away from the web plate, the second spring 33 is arranged in the circular groove 31, so that the second spring 33 can push the knocking rod 32 out along the circular groove 31; according to the invention, the push plate 162 pushes the upper flange plate, the lower flange plate and the web plate to move, and then the push plate and the abutting column 3 drive the knocking rod 32 to knock and match the web plate, so that dust and iron chips on the upper flange plate, the lower flange plate and the web plate fall off under the action of vibration, the cleanness of welding seams among the upper flange plate, the lower flange plate and the web plate is further ensured, the welding effect of the I-shaped steel is improved, and the quality of the I-shaped steel is further improved.
As an embodiment of the present invention, an air hole 34 is provided in the column 3; one end of the air hole 34 is communicated with the bottom of the circular groove 31, and the other end of the air hole 34 is positioned on the outer wall of the prop 3; when the pneumatic hammer is used, after the knocking rod 32 is contacted with the web plate, the knocking rod 32 can slide to the bottom of the circular groove 31 along the circular groove 31, in the sliding process of the knocking rod 32, the inner space of the circular groove 31 can be reduced, so that the air pressure in the circular groove 31 can be increased, and because the air holes 34 are formed in the abutting column 3, one ends of the air holes 34 are communicated with the bottom of the circular groove 31, air in the circular groove 31 moves into the air holes 34, and because the other ends of the air holes 34 are positioned on the outer wall of the abutting column 3, the air in the air holes 34 can be sprayed out along the outer wall of the abutting column 3, air flow can impact dust and scrap iron on the web plate, and the dust and the scrap iron fall off under the action of air flow impact; according to the invention, the knock rod 32 is driven by the prop 3 to knock the web plate to be matched with the gas sprayed from the other end of the gas hole 34, so that dust and scrap iron on the web plate fall off more quickly under the impact of the airflow, the cleanness of welding seams among the upper flange plate, the lower flange plate and the web plate is further improved, and the welding effect of the I-shaped steel is further improved.
As an embodiment of the present invention, a cutting knife 35 is fixedly connected to the end of the knock bar 32 near the welding position; the cutting knife 35 is perpendicular to the end face of the knocking rod 32, and the two cutting knives 35 are arranged in a crossed manner; when the device is used, burrs on the web plate cannot be cleaned under the action of air flow and vibration, so that the welding effect of the I-shaped steel is influenced; therefore, in the process that the abutting column 3 drives the knocking rod 32 to knock the web, the end part of the knocking rod 32 is fixedly connected with the cutter 35, so that the knocking rod 32 can drive the cutter 35 to move, the knocking rod 32 drives the cutter 35 to cut burrs, the burrs are cut by the cutter 35 and then matched with the air flow sprayed from the other end of the air hole 34, the cut burrs on the web fall off under the action of the air flow, the cleanness of the welding seams among the upper flange plate, the lower flange plate and the web is further improved, and the strength of the cutter 35 is further improved by arranging the two cutters 35 in a crossed mode.
As an embodiment of the present invention, the outer wall of the support column 3 is further provided with a strip-shaped groove 36; the section of each strip-shaped groove 36 is V-shaped, the strip-shaped grooves 36 are uniformly distributed on the outer wall of the support column 3, and the specifications of the two adjacent strip-shaped grooves 36 are different; when the connecting rod is used, the friction force between the prop 3 and the web is limited, so that the outer wall of the prop 3 is easy to slip with the web, the rotating effect of the prop 3 around the first connecting rod 14 is influenced, and the prop 3 is further influenced to drive the knocking rod 32 to move; therefore, in the process that the push plate 162 pushes the upper flange plate, the lower flange plate and the web plate to move, the strip-shaped grooves 36 are formed in the outer wall of the support column 3, the cross section of each strip-shaped groove 36 is V-shaped, so that the contact area between the outer wall of the support column 3 and the web plate is reduced, the friction force between the support column 3 and the web plate is increased under the condition that the pressure of the support column 3 against the web plate is unchanged, the slipping probability of the outer wall of the support column 3 and the web plate is reduced, the stability of the support column 3 rotating around the first connecting rod 14 is improved, and the stability of the support column 3 rotating around the first connecting rod 14 is further improved by setting the specifications between the two adjacent strip-shaped grooves 36 to be different.
As an embodiment of the present invention, a bellows sleeve 154 is provided in the rectangular groove 15; the corrugated sleeve 154 is sleeved on the first spring 152, one end of the corrugated sleeve 154 is connected to the sliding block 151, and the other end of the corrugated sleeve 154 is connected to the wall of the rectangular groove 15; when the sliding block 151 is used, scrap iron and impurities on the upper flange plate, the lower flange plate and the web plate fall on the upper end of the base 1 under the action of gravity, and the rectangular groove 15 is formed in the upper end of the base 1, so that the impurities are easy to fall in the rectangular groove 15, and the sliding of the sliding block 151 in the rectangular groove 15 is influenced; therefore, in the invention, the corrugated sleeve 154 is arranged in the rectangular groove 15, and the corrugated sleeve 154 is sleeved on the first spring 152, so that the iron chips and the impurities cannot move into the rectangular groove 15, the iron chips and the impurities cannot be clamped near the first spring 152, the stability of the sliding block 151 sliding in the rectangular groove 15 is ensured, and the practical application effect of the welding device is improved.
As an embodiment of the present invention, the cartridge 2 is composed of a sleeve 21 and two annular blocks 22; one of the annular blocks 22 is connected with the sleeve 21 through a tension spring 23, and the other annular block 22 is fixedly connected with the sleeve 21; when the welding device is used, I-shaped steel with different thicknesses of the upper flange plate and the lower flange plate cannot be welded by the welding device, so that the welding device is not high in practicability; therefore, the fixture block 2 is composed of the sleeve 21 and the two annular blocks 22, and meanwhile, one of the annular blocks 22 is connected with the sleeve 21 through the tension spring 23, so that a worker only needs to pull one of the annular blocks 22 to increase the distance between one of the annular blocks 22 and the sleeve 21, the thickness range of the upper flange plate and the lower flange plate clamped by the fixture block 2 is increased, the two annular blocks 22 are tensioned through the tension spring 23, the stability of the upper flange plate and the lower flange plate in the welding process is improved, and the application range of the welding device is enlarged.
As an embodiment of the present invention, a first protrusion 211 is disposed on an outer wall of the sleeve 21; the first bulge 211 is semicircular, and a through hole 155 is formed in the corrugated sleeve 154; an L-shaped pipe 156 is fixedly connected with the opening of the through hole 155; the mouth of the L-shaped tube 156 faces the web; when the device is used, the impact effect of the airflow generated by the other end of the air hole 34 on impurities and scrap iron is limited, so that the cleaning effect of the welding seams among the upper flange plate, the lower flange plate and the web plate is limited; therefore, in the present invention, since the fixing rod 153 is rotatably connected to the two fixture blocks 2, when the push plate 162 pushes the upper flange plate, the lower flange plate and the web plate to move, the fixture block 2 rotates around the fixing rod 153, since the fixture block 2 is composed of the sleeve 21 and the two ring blocks 22, and the outer wall of the sleeve 21 is provided with the first protrusion 211, when the first protrusion 211 contacts the upper flange plate and the lower flange plate, the fixture block 2 moves along the rectangular groove 15 through the slider 151, so that the first spring 152 is compressed, since the corrugated sleeve 154 is sleeved on the first spring 152, the internal air pressure of the corrugated sleeve 154 is increased after the corrugated sleeve 154 is compressed, since the corrugated sleeve 154 is provided with the through hole 155, the air in the corrugated sleeve 154 is discharged along the through hole 155, since the opening of the through hole 155 is fixedly connected to the L-shaped tube 156, the air sprayed from the through hole 155 enters the L-shaped tube 156, and since the opening of the L-shaped tube 156 faces the web plate, therefore, the gas will be ejected along the opening of the L-shaped tube 156 and then match with the gas ejected from the other end of the gas cylinder, so that the cleanliness of the web is enhanced again, and the cleanliness of the welding seams between the upper flange plate, the lower flange plate and the web is enhanced again.
As an embodiment of the present invention, one of the annular blocks 22 is provided with an annular groove 221 on a surface close to the sleeve 21; an inclined plate 222 is fixedly connected in the annular groove 221; the inclined plates 222 are uniformly distributed in the annular groove 221; when the fixture is used, the friction force between the fixture block 2 and the upper flange plate and the lower flange plate is limited, so that the fixture block 2 is easy to slip with the upper flange plate and the lower flange plate, and the rotating effect of the fixture block 2 around the fixing rod 153 is influenced; therefore, according to the present invention, the annular groove 221 is formed on one surface of one of the annular blocks 22 close to the sleeve 21, and the inclined plate 222 is fixedly connected in the annular groove 221, such that a contact area between one surface of one of the annular blocks 22 and the upper flange plate and the lower flange plate is reduced, and a friction force between one of the annular blocks 22 and the upper flange plate and the lower flange plate is increased, such that a stability of the fixture block 2 rotating around the fixing rod 153 is improved, and a stability of the fixture block 2 driving the sliding block 151 to slide along the rectangular groove 15 is improved.
As an embodiment of the present invention, a spring 223 is fixedly connected to one side of the other annular block 22 close to the sleeve 21; the elastic pieces 223 are uniformly distributed on the end face of one of the annular plates; when the device is used, the inclination is arranged on the surface, close to the upper flange plate, of the lower flange plate, so that the limiting effect of the fixture block 2 on the upper flange plate and the lower flange plate is limited, and the stability of the upper flange plate and the lower flange plate in the moving process is influenced; therefore, the elastic sheet 223 is fixedly connected to one surface of the other annular block 22 close to the sleeve 21, so that the elastic sheet 223 abuts against one surface of the upper flange plate and the lower flange plate close to each other, the stability of the upper flange plate and the lower flange plate in the moving process is further improved, and the elastic sheet 223 is used for clamping the surfaces of the upper flange plate and the lower flange plate close to each other with different gradients, so that the practicability of the fixture block 2 is enhanced.
As an embodiment of the present invention, a second protrusion 224 is disposed on one surface of the elastic sheet 223 close to the sleeve 21; the section of the second bump 224 is semicircular, and the second bump 224 is randomly distributed on one surface of the elastic sheet 223; when the welding device is used, the second bump 224 is arranged on the surface, close to the sleeve 21, of the elastic sheet 223, so that the contact area of the elastic sheet 223 and the surface, close to the upper flange plate and the lower flange plate, of the lower flange plate is reduced, the friction force between the elastic sheet 223 and the upper flange plate and the friction force between the elastic sheet 223 and the lower flange plate are increased, the stability of the fixture block 2 rotating around the fixing plate is improved, and the practical application effect of the welding device is improved.
When in use, after the upper flange plate, the lower flange plate and the web plate are cut by a worker, because the rectangular groove 15 is arranged at the upper end of the base 1 and the sliding block 151 is connected in the rectangular groove 15 in a sliding manner, the worker can stir the sliding block 151 to slide along the rectangular groove 15, so that the two sliding blocks 151 are far away from moving, because the upper end of the sliding block 151 is fixedly connected with the fixed rod 153, the two clamping blocks 2 are connected on the fixed rod 153 in a rotating manner, so that the sliding block 151 moves to drive the two corresponding clamping blocks 2 to move, so that the worker can place the upper flange plate and the lower flange plate between the two opposite clamping blocks 2, because the first spring 152 is arranged in the rectangular groove 15, the two adjacent sliding blocks 151 move close to each other under the action of the first spring 152, so that the upper flange plate and the lower flange plate are clamped by the first spring 152, the worker starts the controller to control the electric push rod 13 to shorten, because the end part of the electric push rod 13 is fixedly connected with the first connecting rod 14, the two corresponding first connecting rods 14 are far away from each other, a worker places a web plate between the two corresponding first connecting rods 14, the controller controls the electric push rod 13 to extend, so that the two corresponding first connecting rods 14 move close to each other, the two ends of the first connecting rod 14 are in rolling connection with the abutting columns 3, the electric push rod 13 drives the corresponding abutting columns 3 to press the web plate tightly, the controller controls the motor 16 to rotate, the motor 16 rotates to drive the push plate 162 to rotate, the push plate 162 can move between the two fixed rods 153 under the driving of the motor 16, the height of the push plate 162 is larger than that of an I-steel, the upper flange plate, the lower flange plate and the web plate can be pushed to move when the push plate 162 moves, the controller controls the welding machine to work, one end of the welding gun 4 faces towards a welding seam, the other end of the welding gun 4 is connected with a welding machine, so that the welding machine is used for welding the welding seams among the upper flange plate, the lower flange plate and the web plate in the moving process; in the process that a worker pushes the upper flange plate, the lower flange plate and the web plate through the push plate 162 to move, the web plate moves to drive the abutting column 3 to rotate around the first connecting rod 14 due to the fact that the abutting column 3 is in contact with the web plate, the circular groove 31 is formed in the outer wall of the abutting column 3, the knocking rod 32 is connected in the circular groove 31 in a sliding mode, the abutting column 3 drives the knocking rod 32 to move, the abutting column 3 drives the knocking rod 32 to collide with the web plate, the web plate vibrates after being collided, dust and scrap iron on the web plate fall off after being vibrated, the web plate is in contact with the upper flange plate and the lower flange plate, the web plate transmits vibration force to the upper flange plate and the lower flange plate, the scrap iron and the dust on the upper flange plate and the lower flange plate fall off after being vibrated, the knocking rod 32 slides to the bottom of the circular groove 31 along the circular groove 31 after colliding with the web plate, the knocking rod 32 cannot block the abutting column 3 from moving, and when the knocking rod 32 is far, because the second spring 33 is arranged in the circular groove 31, the second spring 33 can push the knocking rod 32 out along the circular groove 31; in the sliding process of the knocking rod 32, the internal space of the circular groove 31 is reduced, so that the air pressure in the circular groove 31 is increased, the air holes 34 are formed in the abutting column 3, one end of each air hole 34 is communicated with the bottom of the circular groove 31, air in the circular groove 31 moves into the air holes 34, the other end of each air hole 34 is located on the outer wall of the abutting column 3, the air in the air holes 34 can be sprayed out along the outer wall of the abutting column 3, the air flow can impact dust and scrap iron on the web plate, and the dust and the scrap iron fall off under the impact of the air flow; in the process that the abutting column 3 drives the knocking rod 32 to knock the web, the end part of the knocking rod 32 is fixedly connected with the cutter 35, so that the knocking rod 32 can drive the cutter 35 to move, the knocking rod 32 drives the cutter 35 to cut burrs, the burrs are cut by the cutter 35 and then matched with air flow sprayed from the other end of the air hole 34, the cut burrs on the web are separated under the action of the air flow, the push plate 162 pushes the upper flange plate, the lower flange plate and the web to move, in the process that the push plate 162 pushes the upper flange plate, the lower flange plate and the web to move, the strip-shaped groove 36 is arranged on the outer wall of the abutting column 3, the cross section of the strip-shaped groove 36 is V-shaped, the contact area between the outer wall of the abutting column 3 and the web is reduced, under the condition that the pressure of the abutting column 3 on the web is unchanged, the friction force between the abutting column 3 and the web is increased, the probability of slipping between the outer wall of the abutting column 3 and the web is reduced, and the stability of the abutting column 3 rotating around the first connecting rod 14 is improved, because the corrugated sleeve 154 is arranged in the rectangular groove 15 and the corrugated sleeve 154 is sleeved on the first spring 152, iron chips and impurities cannot move into the rectangular groove 15, so that the iron chips and the impurities cannot be clamped near the first spring 152, the sliding stability of the sliding block 151 in the rectangular groove 15 is ensured, the clamping block 2 consists of the sleeve 21 and the two annular blocks 22, one of the annular blocks 22 is connected with the sleeve 21 through the tension spring 23, so that a worker can increase the distance between one of the annular blocks 22 and the sleeve 21 by pulling one of the annular blocks 22, the thickness range of the upper flange plate and the lower flange plate clamped by the clamping block 2 is increased, the two annular blocks 22 are tensioned through the tension spring 23, the stability of the upper flange plate and the lower flange plate in the welding process is improved, and the two clamping blocks 2 are connected with the fixed rod 153 in a rotating manner, so that the push plate 162 pushes the upper flange plate, During the movement of the lower flange plate and the web plate, the fixture block 2 rotates around the fixing rod 153, because the fixture block 2 is composed of the sleeve 21 and the two annular blocks 22, the first protrusion 211 is arranged on the outer wall of the sleeve 21, the fixture block 2 moves along the rectangular groove 15 through the sliding block 151 during the contact process of the first protrusion 211 and the upper flange plate and the lower flange plate, and further the first spring 152 is compressed, because the corrugated sleeve 154 is sleeved on the first spring 152, the internal air pressure of the corrugated sleeve 154 is increased after the corrugated sleeve 154 is compressed, because the corrugated sleeve 154 is provided with the through hole 155, the air in the corrugated sleeve 154 is discharged along the through hole 155, because the opening of the through hole 155 is fixedly connected with the L-shaped pipe 156, the air jetted from the through hole 155 enters the L-shaped pipe 156, because the opening of the L-shaped pipe 156 faces the web plate, the air jetted along the opening of the L-shaped pipe 156, and then matched with the air jetted, the cleanness of the web plate is enhanced again, the annular groove 221 is arranged on one surface of one of the annular blocks 22 close to the sleeve 21, the inclined plate 222 is fixedly connected in the annular groove 221, so that the contact area between one surface of one of the annular blocks 22 and the upper flange plate and the lower flange plate is reduced, the friction force between one of the annular blocks 22 and the upper flange plate and the lower flange plate is increased, the stability of the fixture block 2 rotating around the fixing rod 153 is improved, the elastic sheet 223 is fixedly connected on one surface of the other annular block 22 close to the sleeve 21, the elastic sheet 223 abuts against the surface of the upper flange plate close to the lower flange plate, the stability of the upper flange plate and the lower flange plate in the moving process is improved, the contact area between the elastic sheet 223 and the surface of the upper flange plate close to the lower flange plate is reduced by arranging the second bulge 224 on the surface of the elastic sheet 223 close to the sleeve 21, and then increased the frictional force between shell fragment 223 and upper limb flange board and the lower limb flange board, improved fixture block 2 around fixed plate pivoted stability.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (11)

1. The manufacturing process of the steel structure welding I-shaped steel is characterized in that: the method comprises the following steps:
s1: cutting: cutting the steel plate into an upper flange plate and a lower flange plate through a cutting machine, and polishing the surfaces, close to the upper flange plate and the lower flange plate, of the upper flange plate and the lower flange plate to enable the upper flange plate and the lower flange plate to be thin in the outer part and thick in the inner part; bending the steel plate into a web plate by a bending device;
s2: clamping: a worker pulls the two clamping blocks (2) in the welding device to move away, the upper flange plate and the lower flange plate are clamped by the two corresponding clamping blocks (2), a controller in the welding device is started, and the controller controls the electric push rod (13) to drive the two abutting columns (3) to tightly press the web plate;
s3: welding and forming: the controller controls the motor (16) in the welding device to work through the controller, so that the motor (16) drives the push plate (162) to move, the push plate (162) pushes the upper flange plate, the lower flange plate and the web plate to move, and the controller controls the welding machine to work again, so that the welding machine welds the welding seams among the upper flange plate, the lower flange plate and the web plate in the moving process, and the I-shaped steel is welded and formed;
the welding device used in the S2-S3 comprises a base (1), a fixture block (2), a support column (3) and a controller; the cross section of the base (1) is circular, and the upper end of the base (1) is fixedly connected with a first arc-shaped plate (11) and a second arc-shaped plate (12); the first arc-shaped plate (11) and the second arc-shaped plate (12) are concentrically arranged, and one surfaces, close to each other, of the first arc-shaped plate (11) and the second arc-shaped plate (12) are provided with a group of electric push rods (13); the end parts of the telescopic ends of the two groups of electric push rods (13) are arranged oppositely, and the end part of each electric push rod (13) is fixedly connected with a first connecting rod (14); two ends of the first connecting rod (14) are connected with the support columns (3) in a rolling way; the upper end of the base (1) is provided with a rectangular groove (15); the rectangular groove (15) is positioned between the first arc-shaped plate (11) and the second arc-shaped plate (12); the sliding block (151) is connected in the rectangular groove (15) in a sliding mode, and a first spring (152) is arranged in the rectangular groove (15); one end of the first spring (152) is connected with the groove wall of the rectangular groove (15), and the other end of the first spring is connected with the sliding block (151); two adjacent sliding blocks (151) move close to each other under the action of a first spring (152); the upper end of the sliding block (151) is fixedly connected with a fixed rod (153); the fixed rod (153) is rotationally connected with two clamping blocks (2); the cross section of the fixture block (2) is dumbbell-shaped; a motor (16) is arranged in the center of the base (1); an output shaft of the motor (16) is fixedly connected with a second connecting rod (161); the end part of the second connecting rod (161) is fixedly connected with a push plate (162); the end face of the push plate (162) faces the motor (16), the push plate (162) can move between the two fixing rods (153) under the driving of the motor (16), and the height of the push plate (162) is larger than that of the I-shaped steel; the upper end of the base (1) is provided with a welding gun (4); one end of the welding gun (4) faces to the welding seam, and the other end of the welding gun (4) is connected with a welding machine; the controller is used for controlling the automatic operation of the welding device.
2. The manufacturing process of the steel structure welding I-shaped steel according to claim 1, characterized in that: a circular groove (31) is formed in the outer wall of the support column (3); the knocking rod (32) is connected in the circular groove (31) in a sliding mode, and a second spring (33) is arranged in the circular groove (31); one end of the second spring (33) is connected with the bottom of the circular groove (31), and the other end of the second spring is connected with the knocking rod (32).
3. The manufacturing process of the steel structure welding I-shaped steel according to claim 2, characterized in that: air holes (34) are arranged in the support columns (3); one end of the air hole (34) is communicated with the bottom of the circular groove (31), and the other end of the air hole (34) is positioned on the outer wall of the support column (3).
4. The manufacturing process of the steel structure welding I-shaped steel according to claim 3, characterized in that: the end part of the knocking rod (32) close to the welding part is fixedly connected with a cutter (35); the cutting knife (35) is perpendicular to the end face of the knocking rod (32), and the two cutting knives (35) are arranged in a crossed mode.
5. The manufacturing process of the steel structure welding I-shaped steel according to claim 4, characterized in that: a strip-shaped groove (36) is also formed in the outer wall of the support column (3); the cross-sectional shape of bar groove (36) is the V-arrangement, bar groove (36) evenly distributed is on the outer wall of support post (3), and the specification between two adjacent bar grooves (36) is different.
6. The manufacturing process of the steel structure welding I-shaped steel according to claim 5, characterized in that: a corrugated sleeve (154) is arranged in the rectangular groove (15); the corrugated sleeve (154) is sleeved on the first spring (152), one end of the corrugated sleeve (154) is connected to the sliding block (151), and the other end of the corrugated sleeve (154) is connected to the wall of the rectangular groove (15).
7. The manufacturing process of the steel structure welding I-shaped steel according to claim 6, characterized in that: the fixture block (2) consists of a sleeve (21) and two annular blocks (22); one of the ring blocks (22) is connected with the sleeve (21) through a tension spring (23), and the other ring block (22) is fixedly connected with the sleeve (21).
8. The manufacturing process of the steel structure welding I-shaped steel according to claim 7, characterized in that: a first bulge (211) is arranged on the outer wall of the sleeve (21); the first bulge (211) is semicircular, and a through hole (155) is formed in the corrugated sleeve (154); an L-shaped pipe (156) is fixedly connected with the opening of the through hole (155); the mouth of the L-shaped tube (156) faces the web.
9. The manufacturing process of the steel structure welding I-shaped steel according to claim 8, characterized in that: one surface of one of the annular blocks (22) close to the sleeve (21) is provided with an annular groove (221); an inclined plate (222) is fixedly connected in the annular groove (221); the inclined plates (222) are uniformly distributed in the annular groove (221).
10. The manufacturing process of the steel structure welding I-shaped steel according to claim 9, characterized in that: one surface of the other annular block (22) close to the sleeve (21) is fixedly connected with a spring plate (223); the elastic sheets (223) are uniformly distributed on the end face of one of the annular plates.
11. The manufacturing process of the steel structure welding I-shaped steel according to claim 10, characterized in that: one surface of the elastic sheet (223) close to the sleeve (21) is provided with a second bump (224); the section of the second bump (224) is semicircular, and the second bump (224) is randomly distributed on one surface of the elastic sheet (223).
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