Angle steel three-dimensional bending device

Abstract

An angle steel three-dimensional bending device comprises a base and an upper fixing plate of the base. The center of the fixed plate is provided with a through hole through which angle steel passes; the front surface of the fixed plate outside the through hole is provided with a pivotal bearing; the rotating ring is connected with the inner ring of the pivotal bearing; transmission teeth are evenly distributed on the edge of the outer side face of the rotating ring in the circumferential direction. The driving motor is fixed to the front face of the fixing plate, and the output end of the driving motor is provided with a driving gear meshed with the transmission teeth on the rotating ring. The first guide module is arranged on the fixed plate; the supporting plate is movably connected to the rotating ring through three angle telescopic rods and located on the outer side of the first guiding module. The second guide module is arranged on the supporting plate; the heating ring is arranged at the through hole in the back surface of the fixed plate; the feeding plate is horizontally arranged at the through hole in the back face of the fixing plate through a support. And the pushing device is arranged on the feeding plate and moves along the feeding plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to angle steel processing technical field, concretely relates to a three -dimensional bending device of angle steel. BACKGROUND

[0002] Angle steel is commonly known as angle iron, is the long strip steel material of two sides perpendicular to each other into an angle, angle steel has different models and is applied in different fields, and the angle steel is widely used in fields such as various building structures and engineering structures, such as house beams, bridges, power transmission towers, hoisting and transporting machinery, reaction towers, support structures of various supports, etc., and is also needed when building aerospace support.

[0003] Traditional straight angle steel needs to be bent, and the existing bending device can only be bent in a ring, and can only be processed into angle steel rings, so that the angle steel is rarely used in the aviation field and the automobile field, for example, the angle steel bending machine for steel structure construction disclosed in Chinese patent No.CN108687173B can only be bent in one direction when processing angle steel, and the bending range is very narrow, which leads to great difficulty in product after-sales.

[0004] For example, the bending mode of Chinese patent CN213591468U is different, but the essence of the bent product is similar. SUMMARY

[0005] The utility model aims at providing a three -dimensional bending device of angle steel, realizes three -dimensional bending, and solves the problems in the above background art.

[0006] To achieve the above object, the technical scheme of the utility model is:

[0007] A three -dimensional bending device of angle steel, comprising:

[0008] A base;

[0009] A fixed plate is vertically arranged on the central upper end face of the base, and a through hole is arranged in the center of the fixed plate for the angle steel to pass through, and an annular groove concentric with the through hole is arranged on the front surface of the fixed plate outside the through hole;

[0010] A rotary bearing is installed in the annular groove of the fixed plate;

[0011] A rotating ring is arranged on the front surface of the fixed plate and connected with the inner ring of the rotary bearing, and the edge of the outer surface of the rotating ring is evenly distributed with transmission teeth in the circumferential direction;

[0012] A drive motor is fixed on the front surface of the fixed plate, and the output end of the drive motor is provided with a drive gear meshing with the transmission teeth on the rotating ring;

[0013] The first guide module comprises a first fixed guide plate, a first movable guide plate and a first adjusting push rod. The first fixed guide plate and the first movable guide plate are in L shape and are arranged in parallel. The first fixed guide plate is fixed to the through hole on the front surface of the fixed plate. The first adjusting push rod is fixed to the front surface of the fixed plate, and the end of the first adjusting push rod is connected to the first movable guide plate.

[0014] The support plate is provided with a through hole for the angle steel to pass through. The support plate is located outside the first guide module and is parallel to the rotating ring. The side of the support plate opposite to the rotating ring is provided with three angle expansion rods in the circumferential direction. The other end of the angle expansion rod is movably connected to the rotating ring.

[0015] The second guide module comprises a second fixed guide plate, a second movable guide plate and a second adjusting push rod. The second fixed guide plate and the second movable guide plate are in L shape and are arranged in parallel. The second fixed guide plate is fixed to the through hole on the outer side surface of the rotating ring. The second adjusting push rod is fixed to the outer side surface of the rotating ring, and the end of the second adjusting push rod is connected to the second movable guide plate.

[0016] The heating ring is arranged at the through hole on the back surface of the fixed plate.

[0017] The feeding plate is arranged horizontally on the through hole on the back surface of the fixed plate through the support.

[0018] The pushing device is arranged on the feeding plate and moves along the feeding plate.

[0019] Further, the feeding plate is provided with a guide groove in the central part in the axial direction. The pushing device comprises:

[0020] The pushing block is slidably arranged in the central guide groove of the feeding plate.

[0021] The advancing screw is provided with a connecting block matched with the screw thread. The upper part of the connecting block passes through the guide groove and is connected to the pushing block. One end of the advancing screw is fixed to the bottom surface of the feeding plate through the bearing seat.

[0022] The advancing motor is arranged on the other end of the bottom surface of the feeding plate, and the output end of the advancing motor is connected to the other end of the advancing screw.

[0023] Further, the calibration positioning mechanism comprises:

[0024] The positioning box is provided with a mounting hole on the front end surface, and the pushing block is embedded in the mounting hole. The two side surfaces of the positioning box are provided with through holes.

[0025] The two calibration arms are in U shape. The rear end of the calibration arm is inserted into the positioning box through the through hole on the side surface of the positioning box. The two calibration arms are connected through the return spring between the two rear end parts of the positioning box. The front end part of the calibration arm is provided with a calibration block for extruding the outer side surface of the angle steel.

[0026] Further, a guiding mechanism is arranged, comprising,

[0027] Two guiding rods, the rear part of which is connected to the side face of the pushing block corresponding to the rear end of the two calibration arms of the positioning box, and the front part of the guiding rod is inwardly inclined;

[0028] The upper end face of the pushing block is provided with a triangular guiding groove at the rear part, and the inwardly inclined front part of the two guiding rods is inserted into the two side inclined edges of the guiding groove of the pushing block.

[0029] Preferably, the upper end face of the horizontal feeding plate is provided with a plurality of mounting grooves, and a plurality of steel balls are arranged in the mounting grooves, and the steel balls form a rolling surface.

[0030] Preferably, the angle telescopic rod and the supporting plate are rotatably connected through a universal joint.

[0031] Preferably, the L-shaped right angle position of the first movable guide plate and the second movable guide plate is respectively provided with a first connecting block and a second connecting block, and the end of the first adjusting push rod and the second adjusting push rod is connected with the first connecting block and the second connecting block, and the moving direction of the first connecting block and the second connecting block corresponds to the direction of the L-shaped right angle line of the first movable guide plate and the second movable guide plate.

[0032] Preferably, the end of the feeding side of the first movable guide plate and the second movable guide plate is provided with a guide inclined angle or a guide inclined plate.

[0033] Preferably, a reinforcing rib plate is arranged between the fixed plate and the upper end face of the base.

[0034] In the angle steel three-dimensional bending device, the first and second guide modules are arranged, and a rotating ring for driving the second guide module to rotate is arranged, so that the three-dimensional bending of the angle steel is realized.

[0035] The first and second guide modules are arranged, and a rotating ring for driving the second guide module to rotate is arranged, so that the three-dimensional bending of the angle steel is realized.

[0036] The heating ring is used for heating and softening the angle steel passing through the heating ring, so as to avoid the adverse reaction caused by cold bending, such as local bulging.

[0037] The first guide module is arranged on the fixed plate and is used for guiding the angle steel, and the second guide module is further arranged downstream of the first guide module and is used for bending the angle steel.

[0038] The second guide module is connected with a fine adjustment assembly for driving the deflection movement angle of the second guide module, and the second guide module is deflected through the fine adjustment assembly, so that the angle steel is forced to bend, and the bending is not limited to one direction, which eliminates the single processing of the existing device.

[0039] The fine adjustment assembly comprises a rotating ring arranged on a fixed plate and a support plate arranged on one side of the rotating ring, three angle telescopic rods are arranged on the rotating ring in a circumferential direction, each angle telescopic rod is rotationally connected with the surface of the rotating ring, and the output end of each angle telescopic rod is rotationally connected with the outer side of the support plate through a universal joint; the inclination angle of the support plate and the fixed plate can be adjusted through the three angle telescopic rods, and then the rotation of the rotating ring is matched, so that the second guide module can be adjusted at any angle.

[0040] It should be noted that the bending difficulty of the angle steel is different in different directions, the heating function is arranged here, the bending difficulty can be reduced, and the bending quality is guaranteed, and three angle telescopic rods are arranged here, and the three-point stability is best.

[0041] The first and second guide modules are both composed of L-shaped fixed guide plates and movable guide plates, the gap between the fixed guide plate and the movable guide plate corresponds to the angle steel, preferably, a connecting block is arranged at the right angle position of the L-shaped movable guide plate, the connecting block is connected with an adjusting push rod for pushing and moving the connecting block, the moving direction of the connecting block corresponds to the direction of the straight line of the right angle of the L-shaped fixed guide plate and movable guide plate, so that the adjusting push rod can drive the connecting block to slide, thereby adjusting the gap between the fixed guide plate and the movable guide plate, so as to adapt to angle steels of different thicknesses and improve the bending processing range.

[0042] The calibration positioning mechanism is designed for the positioning box, the calibration arm and the reset spring for adjusting the tail part of the angle steel, when the pushing block abuts against the end of the angle steel, the pushing block slides to the inside of the positioning box under the action of force, so that the two calibration arms are close to each other under the action of the guide mechanism, and the calibration pushing blocks on the calibration arms are also close to each other, so as to press the two sides of the angle steel, thereby adjusting the tail part of the angle steel.

[0043] The guide mechanism comprises two guide rods arranged on the two calibration arms, and the two calibration arms are close to each other under the guidance of the triangular guide groove on the pushing block, thereby providing power for calibration.

[0044] In order to make the angle steel slide smoothly, a plurality of mounting grooves are arranged on the upper end face of the feeding plate, steel balls are arranged in the mounting grooves, and the rolling surface is formed by the plurality of steel balls, so that the rolling friction is formed between the angle steel and the feeding plate, and subsequent calibration is facilitated.

[0045] Compared with the prior art, the utility model has the advantages that:

[0046] The utility model discloses a three-dimensional bending device for angle steel, which can be designed according to the prior art, can perform three-dimensional bending treatment on the angle steel, and can be combined with heating softening during bending, thereby reducing the processing difficulty of the angle steel.

[0047] The utility model discloses a calibration positioning piece is provided when pushing angle steel, can be fine tuning to angle steel tail part by oneself, does not need staff to carry out complicated calibration operation in advance, effectively improve processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0048] Figure 1 For the three-dimensional of the utility model embodiment Figure 1 ;

[0049] Figure 2 For the three-dimensional of the utility model embodiment Figure 2 ;

[0050] Figure 3 For the three-dimensional of the utility model embodiment Figure 3 ;

[0051] Figure 4 For the three-dimensional of the utility model embodiment Figure 4 ;

[0052] Figure 5 For the structure schematic drawing of calibration positioning mechanism and guide mechanism in the utility model embodiment;

[0053] Figure 6 For the structure schematic drawing of the first guide module in the utility model embodiment;

[0054] Figure 7 For the three-dimensional exploded view of fixed plate and slewing bearing assembly in the utility model embodiment. DETAILED DESCRIPTION

[0055] The utility model will be further described in connection with the embodiment and the drawing.

[0056] Referring to Figures 1-7 , the angle steel three-dimensional bending device of the utility model includes:

[0057] Base 1;

[0058] Fixed plate 2, vertical setting is in base 1 upper end face center;Fixed plate 2 center is equipped with the through hole 21 for angle steel 100 to pass through, and the fixed plate 2 front surface outside the through hole 21 is provided with the annular groove 22 concentric with the through hole 21;

[0059] Slewing bearing 3 is installed in the annular groove 22 of fixed plate 2;

[0060] Rotary ring 4 is arranged on the front surface of fixed plate 2 and is connected with the inner ring of slewing bearing 3;The edge of the outer side surface of rotary ring 4 is evenly distributed along the circumference transmission tooth 41;

[0061] Driving motor 5 is fixed on the front surface of fixed plate 2, and the output end is provided with driving gear 6 engaged with transmission tooth 41 on rotary ring 4.

[0062] The first guide module 7 comprises a first fixed guide plate 71, a first movable guide plate 72 and a first adjusting push rod 73. The first fixed guide plate 71 and the first movable guide plate 72 are in parallel and in L shape. The first fixed guide plate 71 is fixed to the through hole 21 on the front surface of the fixed plate 2. The first adjusting push rod 73 is fixed to the front surface of the fixed plate 2 and connected to the first movable guide plate 72 at one end.

[0063] The support plate 8 is located outside the first guide module 6 and parallel to the rotating ring 4. Three angle expansion rods 9 are arranged on the side of the support plate 8 opposite to the rotating ring 4. The other ends of the angle expansion rods 9 are movably connected to the rotating ring 4.

[0064] The second guide module 10 comprises a second fixed guide plate 1001, a second movable guide plate 1002 and a second adjusting push rod 1003. The second fixed guide plate 1001 and the second movable guide plate 1002 are in parallel and in L shape. The second fixed guide plate 1001 is fixed to the through hole 41 on the outer side surface of the rotating ring 4. The second adjusting push rod 1003 is fixed to the outer side surface of the rotating ring 4 and connected to the second movable guide plate 1002 at one end.

[0065] The heating ring 11 is arranged at the through hole 21 on the back surface of the fixed plate 2.

[0066] The feeding plate 12 is arranged at the through hole 21 on the back surface of the fixed plate 2 through a support 121.

[0067] The pushing device 13 is arranged on the feeding plate 12 and moves along the feeding plate 12.

[0068] Further, the feeding plate 12 is provided with a guide groove 122 in the center along the axial direction. The pushing device 13 comprises:

[0069] The pushing block 131 is slidably arranged in the guide groove 122 in the center of the feeding plate 12.

[0070] The pushing screw 132 is provided with a connecting block 133 threadedly connected thereto. The connecting block 133 is connected to the pushing block 131 through the guide groove 122. One end of the pushing screw 132 is fixed to the bottom surface of the feeding plate 12 through a bearing seat.

[0071] The pushing motor 134 is arranged on the other end of the bottom surface of the feeding plate 12 and connected to the other end of the pushing screw 132.

[0072] Further, the calibration positioning mechanism 14 comprises:

[0073] A positioning box 141 is provided with a mounting hole 1411 in the front end face, and the pushing block 131 is embedded in the mounting hole 1411; the positioning box 141 is provided with a through hole 1412 in each of the two side faces;

[0074] Two calibration arms 142, 142' are provided, the calibration arm 142 (taking the calibration arm 142 as an example, the same below) is in a U shape, the rear end of the calibration arm 142 is inserted into the positioning box 142 from the through hole 1412 in the side face of the positioning box 141; the two calibration arms 142 are connected by a return spring 143 between the two rear end portions of the positioning box 141; the front end portion of the calibration arm 142 is provided with a calibration block 144 for extruding the outer side face of the angle steel 100.

[0075] Further, a guide mechanism 15 is provided, comprising,

[0076] Two guide rods 151, 152 are connected to one side face of the rear end portions of the two calibration arms 142, 142' of the positioning box 141 corresponding to the pushing block 131, and the front portions of the guide rods 151, 152 are inwardly inclined;

[0077] The rear portion of the upper end face of the pushing block 131 is provided with a triangular guide groove 1311, and the inwardly inclined front portions of the two guide rods 151, 152 are inserted into the two side inclined edges of the guide groove 1311 of the pushing block 131.

[0078] Preferably, the upper end face of the feeding plate 12 is provided with a plurality of mounting grooves, and a plurality of steel balls are arranged in the mounting grooves, and the steel balls form a rolling surface.

[0079] Preferably, the angle telescopic rod 9 and the supporting plate 8 are connected by a universal joint.

[0080] Preferably, the L-shaped right angle positions of the first movable guide plate 72 and the second movable guide plate 1002 are respectively provided with a first connecting block 74 and a second connecting block 1004, the first adjusting push rod 73 and the second adjusting push rod 1003 are connected to the first connecting block 74 and the second connecting block 1004 at the end portions, and the moving directions of the first connecting block 74 and the second connecting block 1004 correspond to the directions of the L-shaped right angle connecting lines of the first movable guide plate 72 and the second movable guide plate 1002.

[0081] Preferably, the end portions of the feeding sides of the first movable guide plate 72 and the second movable guide plate 1002 are provided with guide bevels or guide inclined plates.

[0082] Preferably, a reinforcing rib plate is arranged between the fixed plate 2 and the upper end face of the base 1.

[0083] The utility model discloses a kind of angle steel bending machines, including feeding plate, pusher, pusher block, heating ring, first guide module, second guide module and support plate, wherein, pusher is arranged on the feeding plate, pusher block is arranged on the pusher, heating ring is arranged on the feeding plate, first guide module is arranged on the feeding plate, second guide module is arranged on the support plate, and support plate is arranged on the feeding plate. In actual use, the angle steel to be bent is placed on the feeding plate, the distance between the second movable guide plate and the second fixed guide plate of the second guide module is adjusted according to the size of the angle steel, then the pusher block is pushed by the pusher to press the tail of the angle steel, the head of the angle steel will pass through the heating ring, and the heating ring will heat the angle steel to soften it.

Claims

1. A three-dimensional bending device for angle steel, characterized in that, The utility model relates to a horizontal feeding device for angle steel, which comprises a base, a fixed plate vertically arranged on the central upper end surface of the base, a through hole for the angle steel to pass through arranged in the central fixed plate, a ring-shaped groove concentric with the through hole arranged on the front surface of the fixed plate outside the through hole, a rotary bearing installed in the ring-shaped groove of the fixed plate, a rotating ring arranged on the front surface of the fixed plate and connected with the inner ring of the rotary bearing, transmission teeth evenly distributed along the circumferential direction on the edge of the outer surface of the rotating ring, a driving motor fixed on the front surface of the fixed plate, a driving gear arranged on the output end of the driving motor and engaged with the transmission teeth of the rotating ring, a first guide module comprising a first fixed guide plate, a first movable guide plate and a first adjusting push rod, the first fixed guide plate and the first movable guide plate being arranged in parallel in an L shape, wherein one side surface of the first fixed guide plate is fixed on the through hole on the front surface of the fixed plate, and the end of the first adjusting push rod fixed on the front surface of the fixed plate is connected with the first movable guide plate, a support plate with a through hole for the angle steel to pass through arranged in the center, the support plate being arranged outside the first guide module in parallel with the rotating ring, and three angle expansion rods being arranged on the side surface of the support plate opposite to the rotating ring in a circumferential direction, the other end of the angle expansion rod being movably connected with the rotating ring, a second guide module comprising a second fixed guide plate, a second movable guide plate and a second adjusting push rod, the second fixed guide plate and the second movable guide plate being arranged in parallel in an L shape, wherein one side surface of the second fixed guide plate is fixed on the through hole on the outer surface of the rotating ring, and the end of the second adjusting push rod fixed on the outer surface of the rotating ring is connected with the second movable guide plate, a heating ring arranged on the through hole on the back surface of the fixed plate, a feeding plate horizontally arranged on the through hole on the back surface of the fixed plate through a support, and a pushing device arranged on the feeding plate and moving along the feeding plate. The central part of the feeding plate is provided with a guide groove in an axial direction, and the pushing device comprises a pushing block slidably arranged in the guide groove of the central part of the feeding plate, a propelling screw provided with a connecting block threadedly matched therewith, the upper part of the connecting block penetrating through the guide groove to connect the pushing block, and one end of the propelling screw being fixed on one end of the bottom surface of the feeding plate through a bearing seat. A calibration positioning mechanism is further provided, which comprises a positioning box provided with a mounting hole on the front end surface, the pushing block being embedded in the mounting hole, through holes being arranged on the two side surfaces of the positioning box, two calibration arms being in a U shape, the rear end of the calibration arm being inserted into the positioning box from the through hole on the side surface of the positioning box, the two calibration arms being connected through a return spring between the two rear end parts of the positioning box, and a calibration block being arranged on the front end part of the calibration arm for extruding the outer surface of the angle steel. A guide mechanism is further provided, which comprises two guide rods, the rear part of the guide rod being connected with the side surface of the pushing block corresponding to the two rear end parts of the calibration arms in the positioning box, and the front part of the guide rod being inwardly inclined. The upper end surface of the horizontal feeding plate is provided with a plurality of mounting grooves, a plurality of steel balls are arranged in the mounting grooves, and the steel balls form a rolling surface. The angle expansion rod and the support plate are connected through a universal joint. The angle expansion rod and the support plate are connected through a universal joint. ​ ​ ​ ​ ​ 2. The angle steel three-dimensional bending device according to claim 1, characterized in that, ​ ​ ​ ​ 3. The angle steel three-dimensional bending device according to claim 2, characterized in that, ​ ​ ​ 4. The angle steel three-dimensional bending device according to claim 3, characterized in that, ​ ​ ​ 5. The angle steel three-dimensional bending device according to claim 1 or 2 or 3 or 4, characterized in that, ​ 6. The angle steel three-dimensional bending device according to claim 1, wherein ​ 7. The angle steel three-dimensional bending device according to claim 1, wherein The L-shaped right-angle positions of the first movable guide plate and the second movable guide plate are respectively provided with a first connecting block and a second connecting block, and the first adjusting push rod and the second adjusting push rod are connected to the first connecting block and the second connecting block at the end portions, and the moving directions of the first connecting block and the second connecting block correspond to the directions of the L-shaped right-angle connecting lines of the first movable guide plate and the second movable guide plate.

8. The angle steel three-dimensional bending device according to claim 1 or 7, characterized in that, The end portions of the first movable guide plate and the second movable guide plate on the feeding side are provided with a guide inclined angle or a guide inclined plate.

9. The angle steel three-dimensional bending device according to claim 1, wherein A reinforcing rib plate is arranged between the fixed plate and the upper end face of the base.

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