阅读说明：本技术 五辊大型h钢卷弯机 (Five-roller large H-shaped steel coil bending machine ) 是由 师武军 师三军 张应廷 杨成娃 于 2021-05-31 设计创作，主要内容包括：本发明五辊大型H钢卷弯机属于机械制造加工的技术领域；解决的技术问题为：提供一种五辊大型H钢卷弯机,卷弯加工省时省力,加工成品质量高、使用寿命长、承载抗压能力强；采用的技术方案为：针对大型H钢的卷弯加工,采用了两个第一辊、两个第二辊和一个压辊,五个辊连接有至少三个电机进行动力传递,可以加大传动辊对H钢的传递动力并加大传动摩擦力,避免了因传递动力不足导致的辊面打滑,确保了卷弯工作的顺利流畅,在加工卷弯部设置了推力传导装置,通过可以在H钢槽内移动的槽壳将压辊施加给一个侧板的力传递给另一侧板,使两个侧板的卷弯同步进行且受力均匀,避免因两侧板受力不均导致中间连接板变形,确保了H钢的卷弯质量。(The invention relates to a five-roller large H-shaped steel coil bending machine, belonging to the technical field of mechanical manufacturing and processing; the technical problem to be solved is as follows: the five-roller large H-shaped steel coil bending machine is time-saving and labor-saving in bending processing, high in quality of processed finished products, long in service life and strong in bearing and pressure resistance; the technical scheme is as follows: to the curved processing of book of large-scale H steel, two first rollers have been adopted, two second rollers and a compression roller, five rollers are connected with at least three motor and carry out the power transmission, can increase the transmission power of driving roller to the H steel and increase transmission frictional force, the roll surface of having avoided leading to because of transmission power is not enough skidded, the smooth smoothness of the work of bending has been ensured, the portion of bending has set up thrust conduction device at processing book, transmit for another curb plate through the power that can remove at the H steel inslot with the compression roller applys a curb plate, the curved synchronous going on of book that makes two curb plates and the atress even, avoid leading to the middle connecting plate to warp because of the both sides board atress is uneven, the quality of bending of book of H steel has been ensured.)

1. Five large-scale H coil of strip benders of roller, its characterized in that: comprises a frame (1);

two parallel roller shafts (2) are vertically arranged on a rack (1), the lower ends of the roller shafts (2) are arranged at the bottom of the rack (1) through bearings, the upper ends of the roller shafts (2) penetrate through a processing table on the upper portion of the rack (1) and extend above the processing table, a driven gearwheel (3) is fixedly arranged at the lower portion of each roller shaft (2), first motors (4) are arranged on two sides of the lower portion of the rack (1), driving pinions (5) are fixedly arranged on output shafts of the two first motors (4), the two driving pinions (5) are respectively connected with the driven gearwheel (3) in a meshed mode, first rollers (6) are fixedly arranged on shafts of the roller shafts (2) above the processing table of the rack (1), the two first rollers (6) are arranged on the outer side of a station of H steel (20) to be processed and contact with H steel side plates of a roller surface, a moving table (12) is respectively arranged at two ends of the upper surface of the processing table of the rack (1), vertical shafts are vertically arranged on the two moving tables (12) through bearings, second rollers (13) are fixedly arranged on the vertical shafts, the second rollers (13) are positioned on the inner sides of stations of H steel (20) to be processed, the roller surfaces of the second rollers contact with side plates of the H steel, one ends, far away from the stations of the H steel (20) to be processed, of the moving tables (12) are fixedly connected with the end parts of piston rods of second pushing cylinders (14), cylinder bodies of the second pushing cylinders (14) are fixed on a processing table of the rack (1), the two second rollers (13) correspond to the two first rollers (6) respectively, and the vertical shafts of the second rollers (13) are meshed with the upper ends of roller shafts (2) of the corresponding first rollers (6) through synchronous gear sets (15);

a compression roller pushing table (7) is movably mounted in the middle of the upper surface of a processing table (1) of a rack (1) through a rail, a vertical shaft is vertically mounted on the compression roller pushing table (7) through a bearing, a compression roller (8) is fixedly mounted on the vertical shaft, the compression roller pushing table (7) and the compression roller (8) are located on the inner side of a station of H steel (20) to be processed, the compression roller (8) is located between two second rollers (13), the roller surface of the compression roller is in contact with a side plate of the H steel, one end, far away from the station of the H steel (20) to be processed, of the compression roller pushing table (7) is fixedly connected with the end part of a piston rod of a first pushing cylinder (9), the cylinder body of the first pushing cylinder (9) is fixed on the processing table of the rack (1), the vertical shaft of the compression roller (8) is in power connection with a second motor through a reduction gear set, and the second motor is fixedly mounted on the rack (1);

a fixed frame (10) is fixedly installed in the center of the upper surface of a processing table of the rack (1), the fixed frame (10) is structurally characterized in that a bottom plate and a top plate are fixedly connected through a plurality of stand columns, thrust conduction devices (11) are fixedly installed on the top surface of the bottom plate and the bottom surface of the top plate, and the two thrust conduction devices (11) are respectively located in an upper steel groove and a lower steel groove of H steel (20) to be processed;

the thrust conduction device (11) comprises a fixing plate (111), a groove shell (112), cylindrical disks (113) and bolts (114), wherein the groove shell (112) is a rectangular plate, two ends of the groove shell are respectively provided with a circular groove, the outer ends of the two circular grooves are respectively provided with a notch communicated with the outside of the groove shell (112), each circular groove is internally and movably provided with one cylindrical disk (113), one end of the circumferential surface of each cylindrical disk (113) is exposed out of the notch of the circular groove, the fixing plate (111) is provided with a plurality of long grooves (115), the middle part of each groove shell (112) is respectively provided with at least two bolts (114), the bolts (114) are respectively and movably arranged in one long groove (115), the end parts of the bolts (114) are fixedly provided with anti-falling nuts, the fixing plate (111) is fixedly arranged on the top surface of a bottom plate or the bottom surface of a top plate of the fixing frame (10), and the outer circumferential surfaces of all the columnar discs (113) exposed out of the groove shell (112) are contacted with the inner surfaces of corresponding side plates of the H steel (20) to be processed;

the two ends of the frame (1) are respectively provided with a carrier roller (17) through a first vertical frame (16), and the two ends of the processing table of the frame (1) are provided with a pressing roller (19) through a second vertical frame (18).

2. The five-roller large-sized H-steel coil bending machine according to claim 1, characterized in that: the pressing roller (19) is arranged on the upper part of the second vertical frame (18) through an up-down adjusting screw rod.

3. The five-roller large-sized H-steel coil bending machine according to claim 1 or 2, characterized in that: and a wear-resistant metal ring (116) is fixedly sleeved on the inner wall of the circular groove of the groove shell (112).

4. The five-roller large-scale H-steel coil bending machine according to claim 3, characterized in that: and an anti-dropping fixing block (117) for placing the eccentric separation of the wear-resistant metal ring (116) is fixedly arranged on the outer end face of the groove shell (112) which is contacted with the side plate of the H steel (20) to be processed.

5. The five-roller large-sized H-steel coil bending machine according to claim 1 or 2, characterized in that: the columnar disc (113) is made of high-wear-resistance metal materials.

Technical Field

The invention discloses a five-roller large H-shaped steel coil bending machine, belongs to the technical field of mechanical manufacturing and processing, and particularly relates to bending processing equipment for large H-shaped steel.

Background

The H-shaped steel is an economic section efficient section with more optimized section area distribution and more reasonable strength-to-weight ratio, and is named because the section is the same as the English letter H. Because all parts of the H-shaped steel are arranged at right angles, the H-shaped steel has the advantages of strong bending resistance, simple construction, cost saving, light structure weight and the like in all directions and is widely applied. Among present various construction building, there is a large amount of arc top construction, need use the large-scale H steel of certain radian, all adopt the welding forming mode to the large-scale H steel base of arc, this just needs skilled master to draw out the cutting route according to certain arc, cut the steel sheet, then the rewelding becomes curved H shaped steel, make an arc H steel just like this and just need a large amount of time, still can lose a large amount of steel simultaneously, cause the serious waste of resource and manpower, and because welded reason, also can lead to the life of H shaped steel, bearing capacity and compressive capacity all greatly reduced. The company also tries to adopt a large-scale bending machine to roll and bend integrally-rolled H steel to manufacture arc-shaped H steel, but because the distance between two side plates of the large-scale H steel is long, in the bending process, inward extrusion force of one side plate cannot be directly transmitted to the other side plate, the other side plate cannot be bent normally, so that the middle connecting plate is extruded and deformed, and finally workpieces are scrapped.

Disclosure of Invention

The invention overcomes the defects of the prior art, and solves the technical problems that: the five-roller large H-shaped steel coil bending machine is time-saving and labor-saving in bending processing, high in quality of processed finished products, long in service life and strong in bearing and pressure resistance.

In order to solve the technical problems, the invention adopts the technical scheme that: a five-roller large H-shaped steel coil bending machine comprises a frame;

two roll shafts which are arranged in parallel are vertically arranged on a rack, the lower ends of the roll shafts are arranged at the bottom of the rack through bearings, the upper ends of the roll shafts penetrate through a processing table at the upper part of the rack and extend above the processing table, driven large gears are fixedly arranged at the lower parts of the roll shafts, a first motor is arranged on each of two sides below the rack, a driving pinion is fixedly arranged on each of output shafts of the two first motors, the two driving pinions are respectively meshed with the driven large gears, first rollers are fixedly arranged on shaft bodies of the roll shafts above the processing table of the rack, the two first rollers are positioned outside H steel stations to be processed and contact with H steel side plates on the roller surfaces, two moving tables are respectively arranged at two ends of the upper surface of the processing table of the rack through tracks, vertical shafts are vertically arranged on the two moving tables through bearings, second rollers are fixedly arranged on the vertical shafts, the second rollers are positioned inside the H steel stations to be processed and contact with the H steel side plates on the roller surfaces, one end of the mobile platform, which is far away from the H steel station to be processed, is fixedly connected with the end part of a piston rod of a second pushing oil cylinder, the cylinder body of the second pushing oil cylinder is fixed on the processing platform of the frame, the two second rollers respectively correspond to the two first rollers, and the vertical shafts of the second rollers are meshed with the upper ends of the roller shafts of the corresponding first rollers through a synchronous gear set;

a compression roller pushing table is movably mounted in the middle of the upper surface of a machining table of the rack through a rail, a vertical shaft is vertically mounted on the compression roller pushing table through a bearing, a compression roller is fixedly mounted on the vertical shaft, the compression roller pushing table and the compression roller are located on the inner side of an H steel station to be machined, the compression roller is located between two second rollers, the surface of the compression roller is in contact with an H steel side plate, one end, away from the H steel station to be machined, of the compression roller pushing table is fixedly connected with the end portion of a piston rod of a first pushing cylinder, a cylinder body of the first pushing cylinder is fixed on the machining table of the rack, the vertical shaft of the compression roller is in power connection with a second motor through a reduction gear set, and the second motor is fixedly mounted on the rack;

a fixed frame is fixedly arranged at the center of the upper surface of a machining table of the rack, the fixed frame is structurally characterized in that a bottom plate and a top plate are fixedly connected through a plurality of stand columns, thrust conduction devices are fixedly arranged on the top surface of the bottom plate and the bottom surface of the top plate, and the two thrust conduction devices are respectively positioned in an upper steel groove and a lower steel groove of H steel to be machined;

the thrust conduction device comprises a fixed plate, a groove shell, columnar disks and bolts, wherein the groove shell is a rectangular plate, two ends of the groove shell are respectively provided with a circular groove, the outer ends of the two circular grooves are respectively provided with a notch communicated with the outside of the groove shell, each circular groove is internally and movably provided with one columnar disk, one end of the circumferential surface of each columnar disk is exposed out of the notch of the circular groove, the fixed plate is provided with a plurality of elongated grooves, the middle part of each groove shell is provided with at least two bolts, the bolts are respectively and movably arranged in one elongated groove, the end parts of the bolts are fixedly provided with anti-falling nuts, the fixed plate is fixedly arranged on the top surface of a bottom plate or the bottom surface of a top plate of the fixed frame, and the outer circumferential surfaces of all the columnar disks exposed out of the groove shell are contacted with the inner surfaces of corresponding side plates of the H steel to be processed;

the bearing roller is all installed through first grudging post in the both ends of frame, and the pinch rolls is installed through the second grudging post in the processing platform both ends of frame.

And the compression roller is arranged on the upper part of the second vertical frame through an up-down adjusting screw rod.

And a wear-resistant metal ring is fixedly sleeved on the inner wall of the circular groove of the groove shell.

And an anti-dropping fixing block for placing the eccentric separation of the wear-resistant metal ring is fixedly arranged on the outer end face of the groove shell, which is in contact with the H steel side plate to be processed.

The columnar disc is made of high-abrasion-resistance metal materials.

Compared with the prior art, the invention has the following beneficial effects:

1. aiming at the bending processing of large H steel, the invention adopts two first rollers, two second rollers and a compression roller, and five rollers are connected with at least three motors for power transmission, so that the transmission power of the transmission roller to the H steel can be increased, the transmission friction force can be increased, the roller surface slippage caused by insufficient transmission power can be avoided, and the smooth and fluent bending work can be ensured;

2. according to the H-shaped steel bending device, the thrust conduction device is arranged at the bending part, and the force applied to one side plate by the compression roller is transferred to the other side plate through the groove shell capable of moving in the H-shaped steel groove, so that the bending of the two side plates is synchronously performed and the stress is uniform, the deformation of the middle connecting plate caused by the uneven stress of the two side plates is avoided, and the bending quality of the H-shaped steel is ensured;

3. when the large H steel is subjected to bending processing, the whole processing is smooth, time and labor are saved, and the finished product after processing has high quality, long service life and strong bearing and pressure resistance.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings;

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic structural view of the thrust force transmission device of the present invention;

FIG. 4 is a schematic view of a connection structure of the trough shell, the cylindrical disk, the wear-resistant metal ring and the anti-drop fixing block according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention; 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.

As shown in fig. 1-4, the five-roller large-scale H-steel coil bender of the invention comprises a frame 1;

two parallel roll shafts 2 are vertically arranged on a frame 1, the lower ends of the roll shafts 2 are arranged at the bottom of the frame 1 through bearings, the upper ends of the roll shafts 2 penetrate through a processing table at the upper part of the frame 1 and extend above the processing table, driven large gears 3 are fixedly arranged at the lower parts of the roll shafts 2, first motors 4 are arranged at two sides below the frame 1, driving pinions 5 are fixedly arranged on output shafts of the two first motors 4, the two driving pinions 5 are respectively meshed and connected with the driven large gears 3, first rollers 6 are fixedly arranged on shaft bodies of the roll shafts 2 above the processing table of the frame 1, the two first rollers 6 are positioned at the outer sides of the H steel 20 stations to be processed and contact with H steel side plates through roller surfaces, a moving table 12 is respectively arranged at two ends of the upper surface of the processing table of the frame 1 through rails, vertical shafts are vertically arranged on the two moving tables 12 through bearings, and second rollers 13 are fixedly arranged on the vertical shafts, the second rollers 13 are positioned on the inner side of the H steel 20 station to be processed, the roller surfaces of the second rollers contact with the H steel side plates, one end, far away from the H steel 20 station to be processed, of the mobile platform 12 is fixedly connected with the end part of a piston rod of a second pushing cylinder 14, the cylinder body of the second pushing cylinder 14 is fixed on the processing platform of the rack 1, the two second rollers 13 respectively correspond to the two first rollers 6, and vertical shafts of the second rollers 13 are meshed with the upper ends of the roller shafts 2 corresponding to the first rollers 6 through a synchronous gear set 15;

a compression roller pushing table 7 is movably mounted in the middle of the upper surface of a machining table 1 of a rack 1 through a rail, a vertical shaft is vertically mounted on the compression roller pushing table 7 through a bearing, a compression roller 8 is fixedly mounted on the vertical shaft, the compression roller pushing table 7 and the compression roller 8 are located on the inner side of a station 20 of H steel to be machined, the compression roller 8 is located between two second rollers 13, the roller surface of the compression roller is in contact with an H steel side plate, one end, far away from the station 20 of the H steel to be machined, of the compression roller pushing table 7 is fixedly connected with the end part of a piston rod of a first pushing cylinder 9, the cylinder body of the first pushing cylinder 9 is fixed on the machining table of the rack 1, the vertical shaft of the compression roller 8 is in power connection with a second motor through a reduction gear set, and the second motor is fixedly mounted on the rack 1;

a fixed frame 10 is fixedly installed at the center of the upper surface of a processing table of the rack 1, the fixed frame 10 is structurally characterized in that a bottom plate and a top plate are fixedly connected through a plurality of upright posts, thrust conduction devices 11 are fixedly installed on the top surface of the bottom plate and the bottom surface of the top plate, and the two thrust conduction devices 11 are respectively positioned in an upper steel groove and a lower steel groove of H steel 20 to be processed;

the thrust conduction device 11 comprises a fixing plate 111, a groove shell 112, columnar discs 113 and bolts 114, wherein the groove shell 112 is a rectangular plate, two ends of the groove shell are respectively provided with a circular groove, the outer ends of the two circular grooves are respectively provided with a notch communicated with the outside of the groove shell 112, each circular groove is internally and movably provided with one columnar disc 113, one end of the circumferential surface of each columnar disc 113 is exposed out of the notch of the circular groove, the fixing plate 111 is provided with a plurality of elongated grooves 115, the middle part of each groove shell 112 is provided with at least two bolts 114, the bolts 114 are movably arranged in one elongated groove 115, the end parts of the bolts 114 are fixedly provided with anti-falling nuts, the fixing plate 111 is fixedly arranged on the top surface of a bottom plate or the bottom surface of a top plate of the fixing frame 10, and the outer circumferential surfaces of all the columnar discs 113 exposed out of the groove shell 112 are contacted with the inner surfaces of corresponding side plates of the H-steel 20 to be processed;

supporting rollers 17 are mounted at two ends of the frame 1 through a first vertical frame 16, and pressing rollers 19 are mounted at two ends of a processing table of the frame 1 through a second vertical frame 18.

The pressure roller 19 is arranged on the upper part of the second vertical frame 18 through an upper and lower adjusting screw rod.

The inner wall of the circular groove of the groove shell 112 is fixedly sleeved with a wear-resistant metal ring 116.

An anti-dropping fixing block 117 for placing the wear-resistant metal ring 116 to be eccentrically separated is fixedly arranged on the outer end face of the groove shell 112 contacted with the side plate of the H steel 20 to be processed.

The cylindrical disk 113 is made of a high-wear-resistant metal material.

The working process is as follows:

inserting H steel 20 to be processed between a first roller 6 and a second roller 13 at an inlet end of the H steel processing device until the end part of the H steel extends into between the first roller 6 and the second roller 13 at an outlet end, controlling an upper thrust conduction device 11 and a lower thrust conduction device 11 of a fixed frame 10 to be respectively positioned in an upper groove and a lower groove of the H steel at the moment, controlling a piston rod of a first thrust cylinder 9 to extend outwards according to the angle requirement of the H steel coil to be processed, pushing a press roller push table 7 to be close to the H steel until a press roller 8 is tightly attached to the H steel and locally bends the H steel to a specific radian, then controlling two second thrust cylinders 14 to push two moving tables 12 until two second rollers 13 contact with a side plate of the H steel, at the moment, engaging a vertical shaft of the second roller 13 with a synchronous gear set 15 corresponding to a roller shaft 2 at the upper end of the first roller 6, starting the second motor and the two first motors, simultaneously starting the press roller 8, the two first rollers 6 and the two second rollers 13 to rotate to drive the H steel to slowly move, and is pressed into a specific radian by a press roller in the moving process;

the thrust conduction device 11 is arranged in the upper and lower tanks of the H steel to be processed through the fixed frame 10, a plurality of tank shells 112 are arranged in parallel, the columnar discs 113 at the two ends of each tank shell 112 are respectively close to the inner surface of one side plate of the H steel 20 to be processed, in the pressing process, the pressing roller 8 transmits the thrust to one side plate of the H steel, the thrust conduction device 11 positioned in the H steel groove receives the thrust, under the pushing action, the bolt 114 on the slot casing 112 moves in the long slot 115 to transmit the pushing force to the other side plate, the two side plates are bent under the action of the pushing force, the product scrapping caused by the deformation of the middle connecting plate due to uneven stress of the two side plates is avoided, in the process of thrust transmission, the invention is in rolling contact with the side plate of the H steel through a plurality of columnar discs 113, therefore, in the process of realizing thrust conduction, the friction force between the H steel and the H steel is reduced, and the H steel can be conveyed smoothly.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.