Hydraulic bending machine for angle steel of steel structure

Abstract

The utility model relates to the technical field of bending machines, in particular to a hydraulic bending machine for angle steel of a steel structure, which can adapt to angle steel of different models through a limiting device, transport angle steel bars through a feeding device, reduce the labor intensity of operators, assist in fixing angle steel bar main bodies through an auxiliary device, and improve the bending efficiency. The bending area is fixed through the fixing device, so that the practicability of the device is improved; comprising a rack and a bending mechanism, the bending mechanism is arranged on the front portion of the upper end face of the rack, and the bending mechanism is driven by a hydraulic cylinder and has the rotating capacity; comprising a limiting device, a feeding device, an auxiliary device and a fixing device, the limiting device is installed on a rack, the feeding device is installed on the rack, the auxiliary device is installed on the limiting device, and the fixing device is installed on the limiting device.

Description

Technical Field

[0001] The utility model relates to the technical field of bending machines, in particular to a hydraulic bending machine for steel structure angle steel. Background Technique

[0002] Angle steel, commonly known as angle iron, is a long strip of steel with two sides perpendicular to each other at an angle. Due to the special shape of angle steel and relatively stable stress, angle steel is often used as a support in building construction. However, in the actual use process, angle steel is also needed at some corners, and at this time, the angle steel needs to be bent and welded twice.

[0003] In the prior art, the Chinese invention patent with the application number CN202310936053.3 relates to a building angle steel bending machine, including a support table, a cutting mechanism, a bending mechanism, angle steel, a support frame, a rotating seat, a lifting lead screw, a suspension plate, a driving motor, a rotating shaft, etc., and can cut notches on the side of the angle steel through two cutting wheels that can move back and forth and have adjustable included angles for convenient bending treatment.

[0004] However, in the actual use of the above device, it does not have the ability of continuous feeding, and the operator needs to manually push the angle steel bar, which increases the labor intensity of the operator. Content of the Utility Model

[0005] To solve the above technical problems, the utility model provides a hydraulic bending machine for steel structure angle steel, which enables the device to adapt to different models of angle steel through a limiting device, transports the angle steel bar through a feeding device, reduces the labor intensity of the operator, assists in fixing the main body of the angle steel bar through an auxiliary device, and fixes the bending area through a fixing device, improving the practicability of the device.

[0006] A hydraulic bending machine for steel structure angle steel of the utility model includes a frame and a bending mechanism. The bending mechanism is arranged at the front part of the upper end surface of the frame and is driven by a hydraulic cylinder and has the ability to rotate; it includes a limiting device, a feeding device, an auxiliary device and a fixing device. The limiting device is installed on the frame, the feeding device is installed on the frame, the auxiliary device is installed on the limiting device, and the fixing device is installed on the limiting device; the device can adapt to different models of angle steel through the limiting device, transports the angle steel bar through the feeding device, reduces the labor intensity of the operator, assists in fixing the main body of the angle steel bar through the auxiliary device, and fixes the bending area through the fixing device, improving the practicability of the device.

[0007] Preferably, the limiting device includes a limiting frame, a first hydraulic cylinder, a limiting push plate and a bottom limiting plate. The limiting frame is installed at the rear part of the upper end surface of the frame. A set of limiting grooves are respectively arranged at the lower parts of the left and right end surfaces of the limiting frame. A set of first hydraulic cylinders are respectively arranged on the left and right end surfaces of the frame. The moving end of the first hydraulic cylinder is connected with the limiting push plate. A plurality of sets of limiting grooves are respectively arranged on the left and right sides of the upper end surface of the frame. A plurality of sets of bottom limiting plates are respectively arranged at the positions corresponding to the plurality of sets of limiting grooves at the bottom of the limiting push plate. Through the limiting grooves on the left and right sides of the limiting frame, the device has the ability to process two groups of angle steels simultaneously. Control the two groups of first hydraulic cylinders to extend to drive the limiting push plate to push the angle steel towards the middle to limit the angle steel bar, and can adapt to different types of angle steel bars. Through the cooperation of the limiting grooves on the frame and the plurality of sets of bottom limiting plates at the lower part of the limiting push plate, the transverse movement process of the limiting push plate is limited, improving the stability and practicability of the device.

[0008] Preferably, the feeding device includes a second hydraulic cylinder, a support frame, a C-shaped frame, conveying rollers, a reducer and a motor. A set of second hydraulic cylinders are respectively installed on the left and right sides of the lower end surface of the frame. The moving end of the second hydraulic cylinder is connected with the support frame. A plurality of sets of rectangular holes are respectively arranged on the left and right sides of the upper end surface of the frame. A plurality of sets of conveying rollers are installed on the upper part of the support frame through a plurality of C-shaped frames. The reducer is installed on the side surface of the C-shaped frame. The output end of the reducer is connected with the conveying roller. The motor is installed on the reducer. The plurality of C-shaped frames are located in the plurality of rectangular holes on the frame. By controlling the second hydraulic cylinder to contract to drive the plurality of C-shaped frames on the support frame to lift upwards, so that the plurality of conveying rollers lift the angle steel bar. Turn on the motor to transmit the power to the conveying roller through the reducer, drive the conveying roller to rotate, and then complete the conveying work of the angle steel bar, reducing the labor intensity of the operator moving the angle steel bar during the continuous production process and improving the practicability of the device.

[0009] Preferably, it further includes limiting optical rods. A plurality of sets of limiting optical rods are respectively arranged on the left and right sides of the lower end surface of the frame. The plurality of sets of limiting optical rods on the left and right parts of the frame respectively pass through the main body of the support frame. The lifting process of the support frame is limited by the plurality of sets of limiting optical rods, reducing the vibration amplitude of the support frame itself during the lifting process and improving the stability and practicability of the device.

[0010] Preferably, the auxiliary device includes a first electric cylinder and a pressing plate. A plurality of sets of first electric cylinders are respectively installed on the left and right parts of the upper end surface of the limiting frame. The moving end of the first electric cylinder passes through the upper end surface of the limiting frame and extends into the limiting groove at the lower part of the limiting frame. A plurality of sets of grooves are respectively arranged on the fixed end surfaces of the limiting grooves on the left and right parts of the limiting frame at the positions corresponding to the plurality of sets of first electric cylinders. The moving end of the first electric cylinder is connected with the pressing plate, and the pressing plate can move into the groove of the limiting frame. By controlling the first electric cylinder to extend to drive the pressing plate to move downwards, thereby fixing the angle steel main body, reducing the bending of the processing area caused by its own weight during the processing of extra-long angle steel, improving the processing accuracy and processing effect of the equipment, and improving the practicability of the device.

[0011] Preferably, it further includes a pressure sensor. The moving end of the first electric cylinder is connected to the pressing plate through the pressure sensor. By monitoring the pressure on the moving end of the first electric cylinder through the pressure sensor, it can prevent equipment and workpieces from being damaged due to excessive pressure, and improve the practicality of the device.

[0012] Preferably, the fixing device includes a Y-shaped mounting bracket, a second electric cylinder, a first rotating shaft seat, a fixing plate, and a second rotating shaft seat. The middle part of the upper end surface of the limiting frame is provided with a Y-shaped mounting bracket. The upper part of the Y-shaped mounting bracket is installed with a second electric cylinder through a rotating shaft. The upper part of the front surface of the limiting frame is provided with a mounting groove. The lower part of the fixing plate is connected to the mounting groove through the first rotating shaft seat. The upper end surface of the fixing plate is connected to the moving end of the second electric cylinder through the second rotating shaft seat. By controlling the second electric cylinder to extend, the fixing plate rotates until the lower part of the fixing plate presses the rear part of the bending area of the angle steel, which is convenient for cooperating with the bending mechanism to turn over and bend the angle steel. By controlling the second electric cylinder to contract, the fixing plate is driven to rotate upward and away from the bending area of the angle steel, providing sufficient space for cutting the angle steel, and improving the practicality of the device.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The device can adapt to different models of angle steel through the limiting device, transport the angle steel strip through the feeding device, reduce the labor intensity of operators, assist in fixing the main body of the angle steel strip through the auxiliary device, and fix the bending area through the fixing device, improving the practicality of the device. Description of the Drawings

[0014] Figure 1 is the first axonometric structural schematic diagram of the present utility model;

[0015] Figure 2 is the second axonometric structural schematic diagram of the present utility model;

[0016] Figure 3 is the first sectional structural schematic diagram of the present utility model;

[0017] Figure 4 is the second sectional structural schematic diagram of the present utility model;

[0018] Figure 5 is the third sectional structural schematic diagram of the present utility model;

[0019] Reference numerals in the drawings: 1, frame; 2, bending mechanism; 3, limiting frame; 4, first hydraulic cylinder; 5, limiting push plate; 6, bottom limiting plate; 7, second hydraulic cylinder; 8, support frame; 9, C-shaped frame; 10, conveying roller; 11, reducer; 12, motor; 13, limiting optical rod; 14, first electric cylinder; 15, pressing plate; 16, pressure sensor; 17, Y-shaped mounting bracket; 18, second electric cylinder; 19, first rotating shaft seat; 20, fixing plate; 21, second rotating shaft seat. Detailed implementation manners

[0020] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0021] Embodiment

[0022] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 shown, the feeding device is installed on the limiting device, the auxiliary device is installed on the limiting device, and the fixing device is installed on the limiting device;

[0023] First, control the second hydraulic cylinder 7 to contract to drive the multiple groups of C-shaped frames 9 on the support frame 8 to lift upward, so that the multiple groups of conveying rollers 10 lift the angle steel bars. Turn on the motor 12 to transmit the power to the conveying rollers 10 through the reducer 11, drive the conveying rollers 10 to rotate to convey the angle steel to the required position. Then, control the first hydraulic cylinder 4 to extend to drive the limiting push plate 5 to push the angle steel towards the middle to limit the angle steel bars. After that, the operator cuts the bending area of the angle steel. After the cutting is completed, control the second electric cylinder 18 to extend to rotate the fixing plate 20 until the lower part of the fixing plate 20 presses against the rear part of the bending area of the angle steel. Then, push the bending mechanism 2 to flip through the hydraulic cylinder to drive the angle steel to bend;

[0024] The limiting device includes a limiting frame 3, a first hydraulic cylinder 4, a limiting push plate 5 and a bottom limiting plate 6. The limiting frame 3 is installed at the rear part of the upper end surface of the frame 1. A group of limiting grooves are respectively arranged at the lower parts of the left and right end surfaces of the limiting frame 3. A group of first hydraulic cylinders 4 are respectively arranged on the left and right end surfaces of the frame 1. The limiting push plate 5 is connected to the moving end of the first hydraulic cylinder 4. Multiple groups of limiting grooves are respectively arranged on the left and right of the upper end surface of the frame 1. Multiple groups of bottom limiting plates 6 are respectively arranged at the positions corresponding to the multiple groups of limiting grooves at the bottom of the limiting push plate 5;

[0025] The feeding device includes a second hydraulic cylinder 7, a support frame 8, a C-shaped frame 9, conveying rollers 10, a speed reducer 11 and a motor 12. A set of second hydraulic cylinders 7 are respectively installed on the left and right of the lower end surface of the frame 1. The moving end of the second hydraulic cylinder 7 is connected with a support frame 8. Multiple sets of rectangular holes are respectively arranged on the left and right of the upper end surface of the frame 1. Multiple sets of conveying rollers 10 are installed on the upper part of the support frame 8 through multiple sets of C-shaped frames 9. A speed reducer 11 is installed on the side surface of the C-shaped frame 9. The output end of the speed reducer 11 is connected with the conveying roller 10. A motor 12 is installed on the speed reducer 11. Multiple sets of C-shaped frames 9 are located in multiple sets of rectangular holes on the frame 1;

[0026] It further includes limit optical rods 13. Multiple sets of limit optical rods 13 are respectively arranged on the left and right of the lower end surface of the frame 1. Multiple sets of limit optical rods 13 on the left and right parts of the frame 1 respectively pass through the main body of the support frame 8;

[0027] The auxiliary device includes a first electric cylinder 14 and a pressing plate 15. Multiple sets of first electric cylinders 14 are respectively installed on the left and right of the upper end surface of the limit frame 3. The moving end of the first electric cylinder 14 passes through the upper end surface of the limit frame 3 and extends into the limit groove at the lower part of the limit frame 3. Multiple sets of grooves are respectively arranged on the fixed end surfaces of the limit grooves on the left and right parts of the limit frame 3 corresponding to the positions of multiple sets of first electric cylinders 14. The moving end of the first electric cylinder 14 is connected with a pressing plate 15. The pressing plate 15 can move into the groove of the limit frame 3;

[0028] It further includes a pressure sensor 16. The moving end of the first electric cylinder 14 is connected with the pressing plate 15 through the pressure sensor 16;

[0029] The fixing device includes a Y-shaped mounting frame 17, a second electric cylinder 18, a first rotating shaft seat 19, a fixing plate 20 and a second rotating shaft seat 21. A Y-shaped mounting frame 17 is arranged in the middle of the upper end surface of the limit frame 3. The upper part of the Y-shaped mounting frame 17 is installed with a second electric cylinder 18 through a rotating shaft. An installation groove is arranged in the upper part of the front surface of the limit frame 3. The lower part of the fixing plate 20 is connected to the installation groove through a first rotating shaft seat 19. The upper end surface of the fixing plate 20 is connected to the moving end of the second electric cylinder 18 through a second rotating shaft seat 21;

[0030] Through the limiting device, the equipment can adapt to different models of angle steel. Through the feeding device, the angle steel bars are transported, reducing the labor intensity of the operators. Through the auxiliary device, the main body of the angle steel bar is assisted and fixed. Through the fixing device, the bending area is fixed, improving the practicability of the device.

[0031] The second electric cylinder 18, the first electric cylinder 14, the first hydraulic cylinder 4, the pressure sensor 16, the second hydraulic cylinder 7, the speed reducer 11 and the motor 12 of the hydraulic angle steel bending machine for steel structures of the present utility model are purchased on the market. Those skilled in the art only need to install and operate according to the attached operation manuals, without the need for creative labor from those skilled in the art.

[0032] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A hydraulic bending machine for steel structure angle steel, comprising a frame (1) and a bending mechanism (2), wherein the bending mechanism (2) is arranged on the front of the upper end face of the frame (1), and the bending mechanism (2) is driven by a hydraulic cylinder and has the ability to rotate; characterized in that: It comprises a limiting device, a feeding device, an auxiliary device and a fixing device, wherein the limiting device is mounted on a frame (1), the feeding device is mounted on the frame (1), the auxiliary device is mounted on the limiting device, and the fixing device is mounted on the limiting device.

2. A hydraulic bending machine for steel structure angle steel as claimed in claim 1, characterized in that: The limiting device comprises a limiting frame (3), a first hydraulic cylinder (4), a limiting push plate (5) and a bottom limiting plate (6); the limiting frame (3) is installed at the rear of the upper end surface of the frame (1); a group of limiting grooves are respectively arranged at the lower part of the left and right end surfaces of the limiting frame (3); a group of first hydraulic cylinders (4) are respectively arranged on the left and right end surfaces of the frame (1); the movable end of the first hydraulic cylinder (4) is connected to the limiting push plate (5); a plurality of groups of limiting grooves are respectively arranged on the left and right sides of the upper end surface of the frame (1); and a plurality of groups of bottom limiting plates (6) are respectively arranged at the positions of the plurality of groups of limiting grooves at the bottom of the limiting push plate (5).

3. A hydraulic bending machine for steel structure angle steel as claimed in claim 2, characterized in that: The feeding device comprises a second hydraulic cylinder (7), a support frame (8), a C-shaped frame (9), a conveying roller (10), a reducer (11) and a motor (12). A group of second hydraulic cylinders (7) are respectively installed on the left and right sides of the lower end surface of the frame (1). The movable end of the second hydraulic cylinder (7) is connected to the support frame (8). A plurality of groups of rectangular holes are respectively arranged on the left and right sides of the upper end surface of the frame (1). A plurality of groups of conveying rollers (10) are installed on the upper part of the support frame (8) through a plurality of groups of C-shaped frames (9). A reducer (11) is installed on the side of the C-shaped frame (9). The output end of the reducer (11) is connected to the conveying roller (10). The motor (12) is installed on the reducer (11). The plurality of groups of C-shaped frames (9) are located in the plurality of groups of rectangular holes on the frame (1).

4. A hydraulic bending machine for steel structure angle steel as claimed in claim 3, characterized in that: It also includes position-limiting light rods (13). The lower end surfaces of the frame (1) are respectively provided with a plurality of groups of position-limiting light rods (13) on the left and right sides. The plurality of groups of position-limiting light rods (13) on the left and right sides of the frame (1) respectively pass through the main body of the support frame (8).

5. A hydraulic bending machine for steel structure angle steel as claimed in claim 2, characterized in that: The auxiliary device comprises a first electric cylinder (14) and a pressure plate (15); a plurality of groups of first electric cylinders (14) are respectively installed on the left and right upper end surfaces of the limiting frame (3); a movable end of the first electric cylinder (14) passes through the upper end surface of the limiting frame (3) and extends to a limiting groove at the lower portion of the limiting frame (3); a plurality of groups of grooves are respectively arranged on the fixed end surfaces of the limiting grooves at the left and right portions of the limiting frame (3) at positions corresponding to the plurality of groups of first electric cylinders (14); a pressure plate (15) is connected to the movable end of the first electric cylinder (14); and the pressure plate (15) can move into the groove of the limiting frame (3).

6. A hydraulic bending machine for steel structure angle steel as claimed in claim 5, characterized in that: It also includes a pressure sensor (16), and the moving end of the first electric cylinder (14) is connected to the pressure plate (15) via the pressure sensor (16).

7. A hydraulic bending machine for steel structure angle steel as claimed in claim 2, characterized in that: The fixing device comprises a Y-shaped mounting frame (17), a second electric cylinder (18), a first rotating shaft seat (19), a fixing plate (20) and a second rotating shaft seat (21); a Y-shaped mounting frame (17) is arranged in the middle of the upper end surface of the limiting frame (3); the second electric cylinder (18) is installed on the upper part of the Y-shaped mounting frame (17) via a rotating shaft; a mounting groove is arranged on the upper front part of the limiting frame (3); the interior of the mounting groove is connected to the lower part of the fixing plate (20) via the first rotating shaft seat (19); and the upper end surface of the fixing plate (20) is connected to the movable end of the second electric cylinder (18) via the second rotating shaft seat (21).

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