Preparation process of bending-resistant triangular steel
Technical Field
The invention belongs to the technical field of building materials and building material processing, and particularly relates to a preparation process of bending-resistant triangular steel.
Background
Along with the rapid development and construction of cities, the gradual shortage of land resources, the types and heights of urban buildings are gradually improved, and various new building materials are also rapidly developed in order to ensure that the strength of the buildings can meet the requirements, wherein the triangular steel is steel with a triangular section, the triangular steel is mainly divided into solid triangular steel and L-shaped folded triangular steel building materials according to the used position of the triangular steel and the building strength requirement, the solid triangular steel building materials have the characteristics of high strength and difficult bending, but the solid triangular steel building materials have more used materials, high cost and large weight and can be used only at partial positions, the hollow triangular steel formed by folding has lighter weight and lower cost compared with the solid triangular steel building materials, but the strength is also obviously reduced compared with the solid triangular steel building materials, deformation is easy to occur in the using process, and the normal use of the triangular steel is influenced, therefore, the method of mixing the solid triangular steel and the hollow triangular steel is adopted in modern buildings, so that a large amount of solid triangular steel is used in part of buildings, the building cost is increased, and the building load is also increased.
Disclosure of Invention
The invention aims to provide a preparation process of bending-resistant triangular steel.
The technical problems to be solved by the invention are as follows:
in the prior art, solid triangle steel materials mainly adopt the casting preparation, and hollow triangle steel then adopts rectangular steel sheet to form through bending process, and wherein, processing equipment intelligence among the prior art plays simple effect of buckling, and the triangle steel after the bending process appears reply deformation easily, influences the final shape of triangle steel.
The purpose of the invention can be realized by the following technical scheme:
a preparation process of bending-resistant triangular steel comprises the following steps;
firstly, adhering and fixing a U-shaped frame on a raw material plate of a main structure part to be bent, then placing the raw material plate on a supporting plate of a triangular steel integrated production device, and pushing the raw material plate forwards along the length direction of the supporting plate through a clamping device;
secondly, the welding installation block moves on the smooth limiting rod by being driven by the first driving cylinder, the welding position of the welding gun is adjusted, the welding gun is positioned above a welding spot, and the height of the welding gun is adjusted by the second driving cylinder and the third driving cylinder, so that the welding gun is positioned at a welding site;
the third step, firstly, a fifth driving cylinder drives a stop block to move, a fourth driving cylinder drives a die cavity block to be close to a welding supporting plate, a blind hole in the stop block is clamped with a rod-shaped structure in the die cavity block, and after a U-shaped frame is welded on a raw material plate of a main body structure, the raw material plate of the main body structure is vertically arranged through a mechanical arm and sequentially passes through a through hole in a working platform and a discharge hole in a bottom mounting plate;
fourthly, driving the pressing rod to be close to a die cavity on the die cavity block through a driving device, extruding and pressing the raw material plate with the main structure to finish bending the raw material plate, and bending each part of the raw material plate by reciprocating motion of the pressing rod along with uniform descending of the raw material plate to obtain the main structure welded with the U-shaped frame;
and fifthly, inserting the central supporting block into a preset position, and welding and fixing the central supporting block and the U-shaped frame to obtain the bending-resistant triangular steel.
The integrated production device for the triangular steel comprises a bottom mounting plate, wherein a supporting structure is fixedly mounted on the bottom mounting plate through a plurality of fixed supporting columns, and a welding supporting plate, a movable die cavity device, a stop block device, a pressing device and a welding device are mounted on the supporting structure;
the supporting structure comprises a working platform, two ends of the working platform are respectively and fixedly provided with one end of a supporting plate, the two supporting plates are arranged in parallel, a reinforcing triangular support is arranged at the joint of the supporting plates and the working platform, two smooth limiting rods are fixedly arranged between the other ends of the two supporting plates, welding devices are slidably arranged on the smooth limiting rods, a first driving air cylinder is fixedly arranged on one supporting plate, and buffering devices are fixedly arranged on the two supporting plates;
the welding device comprises a welding installation block, a sliding hole is formed in the welding installation block, the welding installation block is sleeved on the smooth limiting rod in a sliding mode through the sliding hole, a cylinder shaft connecting block is fixedly installed on one side of the welding installation block, and the cylinder shaft connecting block is fixedly connected with the end portion of a cylinder shaft of the first driving cylinder;
an upper mounting plate is fixedly mounted at the top of the welding mounting block, the upper mounting plate is fixedly connected with an air cylinder mounting plate through a plurality of first connecting rods, the air cylinder mounting plate is arranged in parallel with the upper mounting plate, a second telescopic air cylinder is fixedly mounted on the air cylinder mounting plate, an air cylinder shaft of the second telescopic air cylinder is fixedly connected with a T-shaped clamping block, a clamping groove is clamped with one end of the T-shaped clamping block, the other end of the T-shaped clamping block is fixedly connected with a third telescopic air cylinder, an air cylinder shaft of the third telescopic air cylinder is fixedly connected with a lower mounting plate, the lower mounting plate is fixedly connected with a welding gun mounting plate through a plurality of second connecting rods, the welding gun mounting plate is arranged in parallel with the lower mounting plate, two welding guns are fixedly mounted on the;
the clamping groove is connected with the upper mounting plate in a sliding manner;
the welding supporting plate comprises a first mounting base fixedly mounted on the bottom mounting plate, a chute cushion block is fixedly mounted on the first mounting base and is arranged in a sliding manner with the supporting plate, one end of the supporting plate is fixedly connected with a supporting plate supporting block through a bolt, and the supporting plate supporting block is fixedly mounted on the working platform;
the movable die cavity device comprises a cylinder mounting cushion block fixedly mounted on the working platform, a fourth driving cylinder is fixedly mounted on the cylinder mounting cushion block, a cylinder shaft of the fourth driving cylinder is fixedly connected with one end of a die cavity connecting block, the other end of the die cavity connecting block is fixedly connected with a die cavity block, and die cavities are formed in two sides of the die cavity block;
the pressing device comprises a second mounting base fixedly mounted on the bottom mounting plate, a sliding limiting groove is fixedly mounted on the second mounting base, a pressing rod is arranged in the sliding limiting groove in a sliding mode, one end, far away from the die cavity, of the pressing rod is connected with a driving device, the driving device can drive the pressing rod to reciprocate, and the moving directions of the pressing rod and the die cavity block are perpendicular to each other;
the stop block device comprises a fifth driving cylinder fixedly arranged on the working platform, a cylinder shaft of the fifth driving cylinder is fixedly connected with a stop block, and the stop block is slidably arranged on the working platform;
the bottom mounting panel is provided with the discharge opening, the last butt joint department that corresponds tip and the die cavity of pressing the depression bar of work platform is provided with the L shape hole that runs through work platform.
As a further aspect of the present invention, the buffer device includes a structural cylinder fixedly mounted on the support plate, the structural cylinder is a cylinder structure with one open end, one unopened end inside the structural cylinder is fixedly connected with one end of a spring, the other end of the spring is fixedly connected with one end of a buffer needle, and the outer wall of the buffer needle is slidably connected with the inner wall of the structural cylinder.
As a further scheme of the invention, two ends of the mounting block are fixedly provided with buffer cushion blocks, the mounting positions of the buffer cushion blocks correspond to the positions of the buffer needles, and the buffer cushion blocks are made of rubber materials.
As a further aspect of the present invention, a blind hole is formed in a surface of the stop block facing the mold chase block, a rod-shaped structure is disposed on the mold chase block corresponding to the blind hole, and when the fourth driving cylinder drives the mold chase block to be close to the stop block, the blind hole on the stop block is engaged with the rod-shaped structure on the mold chase block.
As a further aspect of the present invention, the pressing rod includes two single rods arranged in parallel, the two single rods are fixed by a plurality of clasps, and a gap is left between the two single rods.
As a further scheme of the invention, the bending-resistant triangular steel prepared by the process comprises a main body structure, wherein the main body structure is a steel plate structure with an L-shaped section, a plurality of central supporting blocks are fixedly arranged on one surface of the main body structure with a smaller angle, a U-shaped frame is fixedly welded on one surface of the main body structure, which is fixedly provided with the central mounting block, and two ends of the U-shaped frame are respectively fixedly welded with the side walls of two adjacent central supporting blocks.
The invention has the beneficial effects that:
the invention relates to a process for preparing bending-resistant triangular steel, which comprises the steps of arranging a plurality of pairs of U-shaped frames on one surface of a main body structure at equal intervals, bonding and fixing the U-shaped frames by an adhesive, welding and fixing the main body structure and the U-shaped frames by a welding device, specifically, driving by a first driving air cylinder, moving a welding installation block on a smooth limiting rod, adjusting the welding position of a welding gun to enable the welding gun to be positioned above a welding point, adjusting the height of the welding gun by a second driving air cylinder and a third driving air cylinder to enable the welding gun to be positioned at a proper welding height, selecting a large-stroke low-precision air cylinder as the second driving air cylinder and selecting a small-stroke high-precision air cylinder as the third driving air cylinder, quickly and accurately positioning the welding gun, and continuously bending a raw material plate of the main body structure by a movable die slot device, a stop block device and a pressing device after the welding and the two are fixed, after bending and forming are carried out to obtain a main body structure, the central supporting block is inserted into a preset position at the bending position of the main body structure, and the central supporting block and the U-shaped frames are welded and fixed to obtain the bending-resistant triangular steel, so that the welding and bending processing of the triangular steel can be completed at one time, the elastic recovery capability of a steel plate is reduced by adopting a gradual bending mode compared with the one-time bending success, the main body structure after the bending success is prevented from obviously recovering and deforming, the quality of the formed main body structure is influenced, the central supporting block can be accurately inserted between the two U-shaped frames and welded and connected with the U-shaped frames, in the bending-resistant triangular steel, the bending resistance capability of the main body structure in the length direction of the main body structure can be improved by arranging the parts of the U-shaped frames which are laid in the length direction of the main body structure, and the bending resistance and deformation capability of the main body structure can be improved by the parts of the, and the setting of central supporting shoe can strengthen stably to the major structure, promotes the stability that the major structure buckled the position, avoids the bending part pressurized of major structure obvious deformation to appear, and has brought adverse effect to resistant normal use of the triangle steel of buckling.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
FIG. 1 is a schematic structural diagram of an integrated production device for triangular steel;
FIG. 2 is a schematic view of the mounting structure of the welding device and the support structure;
FIG. 3 is a schematic view of a welding apparatus;
FIG. 4 is a schematic view of a partial structure of an integrated production device for triangular steel;
FIG. 5 is a schematic structural view of a welding pallet;
FIG. 6 is a schematic structural view of a movable die cavity device;
FIG. 7 is a schematic view of the pressing device;
FIG. 8 is a schematic structural diagram of a bend-resistant triangular steel according to the present invention;
FIG. 9 is a schematic view of another angle structure of the bend-resistant triangular steel of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A preparation process of bending-resistant triangular steel comprises the following steps;
firstly, adhering and fixing a U-shaped frame 72 on a raw material plate of a main body structure 71 part to be bent, then placing the raw material plate on a supporting plate 33 of a triangular steel integrated production device, and pushing the raw material plate forwards along the length direction of the supporting plate 33 by a clamping device;
secondly, the welding installation block 61 moves on the smooth limiting rod 24 by being driven by the first driving air cylinder 25, the welding position of the welding gun 616 is adjusted, the welding gun 616 is positioned above a welding point, and the height of the welding gun 616 is adjusted by the second driving air cylinder 610 and the third driving air cylinder 611, so that the welding gun is positioned at a proper welding height;
thirdly, driving the stopper 82 to move through the fifth driving cylinder 81, driving the mold groove block 44 to be close to the welding supporting plate 83 through the fourth driving cylinder 41, clamping the blind hole on the stopper 82 with the rod-shaped structure on the mold groove block 44, welding the U-shaped frame 72 on the raw material plate of the main body structure 71, vertically arranging the raw material plate of the main body structure 71 through the mechanical arm, and sequentially passing through the through hole on the working platform 2 and the discharge hole 11 on the bottom mounting plate 1;
fourthly, the driving device drives the pressing rod 53 to be close to the die cavity 45 on the die cavity block 44, so that the raw material plate of the main structure 71 is extruded and pressed, the raw material plate is bent, and the pressing rod 53 reciprocates along with the uniform descending of the raw material plate to bend each part of the raw material plate, so that the main structure 71 welded with the U-shaped frame 72 is obtained;
and fifthly, inserting the central supporting block 73 into a preset position, and welding and fixing the central supporting block 73 and the U-shaped frame 72 to obtain the bending-resistant triangular steel.
As shown in fig. 1 to 7, the integrated production device for triangular steel comprises a bottom mounting plate 1, wherein the bottom mounting plate 1 is fixedly provided with a support structure through a plurality of fixed support pillars 12, and the support structure is provided with a welding supporting plate 3, a movable die cavity device 4, a stop block device 8, a pressing device 5 and a welding device 6;
the supporting structure comprises a working platform 2, one end of a supporting plate 22 is fixedly mounted at each of two ends of the working platform 2, the two supporting plates 22 are arranged in parallel, a reinforcing triangular support 23 is arranged at the joint of each supporting plate 22 and the working platform 2, the stability of the joint of each supporting plate 22 and the working platform 2 is improved, two smooth limiting rods 24 are fixedly mounted between the other ends of the two supporting plates 22, welding devices 6 are slidably mounted on the smooth limiting rods 24, a first driving cylinder 25 is also fixedly mounted on one supporting plate 22, and buffering devices are fixedly mounted on the two supporting plates 22;
the buffer device comprises a structural cylinder 26 fixedly mounted on the support plate 22, the structural cylinder 26 is of a cylinder structure with one open end, one end, which is not open, of the interior of the structural cylinder 26 is fixedly connected with one end of a spring, the other end of the spring is fixedly connected with one end of a buffer needle 27, and the outer wall of the buffer needle 27 is in sliding connection with the inner wall of the structural cylinder 26;
the welding device 6 comprises a welding installation block 61, a sliding hole 62 is formed in the welding installation block 61, the welding installation block 61 is in sliding sleeve connection with the smooth limiting rod 24 through the sliding hole 62, a cylinder shaft connection block 63 is fixedly installed on one side of the welding installation block 61, the cylinder shaft connection block 63 is fixedly connected with the cylinder shaft end part of the first driving cylinder 25, buffer cushion blocks 64 are fixedly installed at two ends of the installation block 61, the installation positions of the buffer cushion blocks 64 correspond to the positions of the buffer needles 27, and the buffer cushion blocks 64 are made of rubber materials;
the top of the welding installation block 61 is fixedly provided with an upper installation plate 65, the upper installation plate 65 is fixedly connected with an air cylinder installation plate 66 through a plurality of first connecting rods 67, the air cylinder installation plate 66 is arranged in parallel with the upper installation plate 65, a second telescopic cylinder 610 is fixedly arranged on the cylinder mounting plate 66, a T-shaped clamping block 69 is fixedly connected with the cylinder shaft of the second telescopic cylinder 610, a clamping groove 68 is clamped with one end of the T-shaped clamping block 69, the other end of the T-shaped clamping block 69 is fixedly connected with a third telescopic cylinder 611, a lower mounting plate 612 is fixedly connected with the cylinder shaft of the third telescopic cylinder 611, the lower mounting plate 612 is fixedly connected with a welding gun mounting plate 613 through a plurality of second connecting rods 614, the welding gun mounting plate 613 is arranged in parallel with the lower mounting plate 612, two welding guns 616 arranged in parallel are fixedly arranged on the welding gun mounting plate 613, and a reinforcing support rod 615 is also fixedly arranged between the lower mounting plate 612 and the welding gun mounting plate 613;
the clamping groove 68 is connected with the upper mounting plate 65 in a sliding manner;
the second driving cylinder 610 is a cylinder with a large stroke and low precision, and the third driving cylinder 611 is a cylinder with a small stroke and high precision;
when the welding device 6 works, the welding device is driven by the first driving air cylinder 25, the welding installation block 61 reciprocates on the smooth limiting rod 24, the welding position of the welding gun 616 is adjusted, and the height of the welding gun 616 is adjusted by the second driving air cylinder 610 and the third driving air cylinder 611;
the welding supporting plate 3 comprises a first mounting base 31 fixedly mounted on the bottom mounting plate 1, a chute cushion block 32 is fixedly mounted on the first mounting base 31, the chute cushion block 32 and the supporting plate 33 are arranged in a sliding mode, one end of the supporting plate 33 is fixedly connected with the supporting plate supporting block 21 through a bolt, and the supporting plate supporting block 21 is fixedly mounted on the working platform 2;
the movable die cavity device 4 comprises a cylinder mounting cushion block 42 fixedly mounted on the working platform 2, a fourth driving cylinder 41 is fixedly mounted on the cylinder mounting cushion block 42, a cylinder shaft of the fourth driving cylinder 41 is fixedly connected with one end of a die cavity connecting block 43, the other end of the die cavity connecting block 43 is fixedly connected with a die cavity block 44, and die cavities 45 are formed in two sides of the die cavity block 44;
the pressing device 5 comprises a second mounting base 51 fixedly mounted on the bottom mounting plate 1, a sliding limiting groove 52 is fixedly mounted on the second mounting base 51, a pressing rod 53 is arranged in the sliding limiting groove 52 in a sliding mode, the pressing rod 53 comprises two single rods 531 arranged in parallel, the two single rods 531 are fixed through a plurality of clamping rings 532, a certain gap is reserved between the two single rods 531, the phenomenon that the bent part of the triangular steel is obviously deformed due to compression is avoided, the moving directions of the pressing rod 53 and the die groove block 44 are mutually perpendicular, one end, far away from the die groove 45, of the pressing rod 53 is connected with a driving device which is of an air cylinder or lead screw transmission structure, and the pressing rod 53 can be driven to reciprocate through the driving device;
the block device 8 comprises a fifth driving cylinder 81 fixedly mounted on the working platform 2, a block 82 is fixedly connected to a cylinder shaft of the fifth driving cylinder 81, the block 82 is slidably mounted on the working platform 2, a blind hole is formed in one surface, facing the die cavity block 44, of the block 82, a rod-shaped structure is arranged on the die cavity block 44 corresponding to the blind hole, and when the fourth driving cylinder drives the die cavity block 44 to be close to the block 82, the relative position of the die cavity block 44 and the block 82 is limited by the clamping of the blind hole in the block 82 and the rod-shaped structure in the die cavity block 44, so that the die cavity block 44 and the block 82 are prevented from moving relatively in the length direction of the pressing rod 53;
be provided with discharge opening 11 on the bottom mounting panel 1, the butt joint department that corresponds the tip of pressing rod 53 on work platform 2 and chase 45 is provided with the L shape hole that runs through work platform 2, and the shape in L shape hole, angle and size set up according to the shape of triangle steel, and the part that the triangle steel was accomplished and is buckled loops through L shape hole on work platform 2 and discharge opening 11 on the bottom mounting panel 1, receives to the below of bottom mounting panel.
The invention relates to a preparation process of bending-resistant triangular steel, which comprises the steps of firstly arranging a plurality of pairs of U-shaped frames 72 on one surface of a main body structure 71 at equal intervals, bonding and fixing the U-shaped frames 72 through an adhesive, then welding and fixing the main body structure 71 and the U-shaped frames 72 through a welding device 6, specifically, driving through a first driving air cylinder 25, moving a welding installation block 61 on a smooth limiting rod 24, adjusting the welding position of a welding gun 616 to enable the welding gun 616 to be positioned above a welding point, adjusting the height of the welding gun 616 through a second driving air cylinder 610 and a third driving air cylinder 611 to enable the welding gun to be positioned at a proper welding height, selecting a large-stroke and low-precision air cylinder for the second driving air cylinder 610 and a small-stroke and high-precision air cylinder for the third driving air cylinder 611, thus, quickly and accurately positioning the welding gun 616, and after completing the welding and fixing of the two, the raw material plate of the main structure 71 is continuously bent through the movable die cavity device 4, the stop block device 8 and the pressing device 5, after the main structure 71 is bent and formed, the central supporting block 73 is inserted into a preset position at the bent position of the main structure 71, the central supporting block 73 and the U-shaped frame 72 are welded and fixed to obtain the bending-resistant triangular steel, so that the welding and bending processing of the triangular steel are completed at one time, the elastic recovery capability of the steel plate is reduced by adopting a gradual bending mode compared with the one-time successful bending, the obvious recovery deformation of the main structure after the bending is successful is avoided, the quality of the formed main structure 71 is influenced, the central supporting block can be accurately inserted between the two U-shaped frames 72 and the welded connection with the U-shaped frames 72 is completed,
the invention also discloses a bending-resistant triangular steel, which comprises a main body structure 71, wherein the main body structure 71 is a steel plate structure with an L-shaped section, a plurality of central supporting blocks 73 are fixedly arranged on one surface of the main body structure 71 with a smaller angle, one surface of the main body structure 71, on which the central mounting blocks are fixedly arranged, is fixedly welded with a U-shaped frame 72, and two ends of the U-shaped frame 72 are respectively fixedly welded with the side walls of two adjacent central supporting blocks 73;
wherein, can promote the anti ability of buckling of major structure 71 on the major structure 71 length direction through the part that sets up U-shaped frame 72 and lay along major structure 71 length direction, U-shaped frame 72 can promote the anti deformation ability of buckling of major structure 71 with the perpendicular part of major structure 71 length direction simultaneously, and the setting of center support piece 73 can strengthen stably to major structure 71, promote the stability of major structure 71 position of buckling, the bending part pressurized of avoiding major structure 71 appears obvious deformation, and the normal use to resistant triangle steel of buckling has brought adverse effect.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.