H-shaped steel roll bending machine

Abstract

The utility model relates to the field of profile steel machining equipment, in particular to an H-shaped steel roll bending machine which comprises a machine tool, a roll body mounting assembly, a driving bending assembly and a driven bending assembly. The roller body mounting assembly comprises a fixed seat body and a horizontal sliding block, the fixed seat body is mounted on the machine tool, the horizontal sliding block is in sliding fit with the fixed seat body in the horizontal direction, the horizontal sliding block is rotationally matched with a placement roller, and the placement roller is arranged in the horizontal direction; the driving bending assembly comprises a driving frame body, a driving roller and a driving driving part, the driving roller is rotationally matched with the driving frame body and is arranged in the vertical direction, and the driving driving part is used for driving the driving frame body to move in the horizontal direction; the driven bending assembly comprises a driven frame body and a driven roller, the driven frame body is installed on the machine tool, and the driven roller is rotationally matched with the driven frame body and arranged in the vertical direction. The roller bending machine has the effect that the placing roller pair of the roller bending machine is not prone to being abraded when H-shaped steel is bent.

Description

Technical Field

[0001] The present application relates to the field of steel processing equipment, and in particular to an H-beam roll bending machine. Background Art

[0002] H-shaped steel is a common industrial building material with good structural strength. In order to make H-shaped steel meet various usage requirements, H-shaped steel usually needs to be bent, so that the original straight-shaped H-shaped steel is processed into an arc-shaped H-shaped steel.

[0003] In the existing related technologies, the bending process of H-beam needs to be achieved through a roll bending machine. The roll bending machine includes a placement roller, a passive roller and an active roller. The placement roller is arranged in the horizontal direction, and the passive roller and the active roller are arranged in the vertical direction. When the H-beam needs to be bent, the H-beam needs to be placed horizontally on the placement roller first, and then the H-beam is supported by the placement roller. Then, the end of the H-beam is made to fit closely to the passive roller, and the middle of the H-beam is made close to the active roller, and then the H-beam is bent by pressing the active roller against the middle of the H-beam.

[0004] With regard to the above-mentioned related technologies, during the bending process of the H-beam, the straight-line distance between the two ends will continue to decrease, so that both ends of the H-beam will rub against the placement rollers at the bottom, causing significant wear on the surface of the placement rollers, affecting the service life of the placement rollers. Summary of the invention

[0005] In order to prevent the placement rollers of a roll bender from being easily worn when bending H-beams, the present application provides an H-beam roll bender.

[0006] The H-beam roll bending machine provided in this application adopts the following technical solution:

[0007] An H-beam roll bending machine comprises a machine tool, a roll body mounting assembly, an active bending assembly and a passive bending assembly;

[0008] The roller installation assembly includes a fixed seat body and a horizontal slider, the fixed seat body is installed on the machine tool, the horizontal slider slides and fits with the fixed seat body in the horizontal direction, the horizontal slider is rotatably matched with a placement roller, and the placement roller is arranged in the horizontal direction;

[0009] The active bending assembly includes an active frame, an active roller and an active driving member, wherein the active roller is rotatably matched with the active frame, and the active roller is arranged in a vertical direction, and the active driving member is used to drive the active frame to move in a horizontal direction;

[0010] The passive bending assembly comprises a passive frame and a passive roller. The passive frame is installed on a machine tool. The passive roller is rotatably matched with the passive frame. The passive roller is arranged along a vertical direction.

[0011] By adopting the above technical solution, when the H-beam is bent, the placement roller rotates and moves horizontally synchronously with the movement of the two ends of the H-beam, so that it is not easy to generate a large friction between the H-beam and the placement roller, and the placement roller is not easy to wear.

[0012] Optionally, the roller installation assembly further includes a fixed frame, the fixed frame is installed on the fixed seat body, the fixed frame is movably connected to a limit rod, and the limit rod and the horizontal slider are distributed in the horizontal direction.

[0013] By adopting the above technical solution, when the horizontal slider needs to be reset after the H-shaped steel is bent, the horizontal slider is pushed to the required position, and then the limit rod is returned and close to the horizontal slider, so that the horizontal slider can be accurately and stably reset.

[0014] Optionally, the limiting rod is rotatably matched with a fixed frame, the fixed frame is provided with a fixed protrusion, the limiting rod is engaged with the fixed protrusion through a limiting slot, and the limiting slot is provided on the limiting rod.

[0015] By adopting the above technical solution, after the horizontal slider is reset to the desired position, the limit rod is rotated to make the limit protrusion engage with the limit slot, so that the limit rod can be locked, thereby locking the horizontal movement of the horizontal slider, which is simple and quick.

[0016] Optionally, the fixing seat body is provided with a limiting protrusion, and the limiting protrusion and the horizontal sliding block are distributed along the horizontal direction.

[0017] By adopting the above technical solution, the limiting protrusion makes it difficult for the horizontal slider to move too much, thereby making it difficult for the horizontal slider to separate from the fixed seat body.

[0018] Optionally, the roller mounting assembly also includes a fixed frame and a vertical slider, the fixed frame is mounted on the fixed seat, the vertical slider slides in the vertical direction and cooperates with the fixed frame, the vertical slider rotates and cooperates with a limiting roller, the limiting roller is arranged in the horizontal direction, and the limiting roller is located on the top of the placement roller, the fixed frame is provided with a vertical driving member, and the vertical driving member is used to drive the limiting roller to move in the vertical direction.

[0019] By adopting the above technical solution, when the H-beam is bent, the limiting roller is close to the H-beam, so that the H-beam is not prone to a large degree of shaking during the bending process, which is conducive to ensuring the bending accuracy of the H-beam.

[0020] Optionally, the vertical driving member is a screw rod, the vertical driving member is rotationally engaged with the vertical sliding block, and the vertical driving member is threadedly engaged with the fixed frame.

[0021] By adopting the above technical solution, the vertical slider is driven to move in the vertical direction by rotating the vertical driving member, and the structure is reliable and durable.

[0022] Optionally, the active driving component is a cylinder.

[0023] By adopting the above technical solution, the maximum thrust of the active driving member is large, which is convenient for bending H-shaped steel with larger specifications.

[0024] Optionally, the passive bending assembly further includes a passive driving member, and the passive driving member is used to drive the passive roller to rotate.

[0025] By adopting the above technical solution, when the H-beam is bent, the passive roller of the passive driving member rotates forward and backward, thereby driving the H-beam to reciprocate in the horizontal direction, which is beneficial to ensure that the H-beam is evenly stressed during the bending process and reduce the generation of local stress.

[0026] Optionally, the passive driving component is a reduction motor.

[0027] By adopting the above technical solution, the torque of the reduction motor is relatively large, which is conducive to driving the H-shaped steel with larger specifications to move in the horizontal direction.

[0028] Optionally, the passive frame is installed with a position sensor, and the position sensor causes the passive driving component to stop output or reverse output when the horizontal movement of the H-shaped steel exceeds a design value.

[0029] The adoption of the above technical solution is helpful to reduce the occurrence of H-beam detaching from the passive roller during the horizontal reciprocating motion.

[0030] In summary, the present application includes at least one of the following beneficial technical effects:

[0031] 1. When the H-beam is bent, the placement roller rotates and moves horizontally synchronously with the movement of the two ends of the H-beam, so that it is not easy to generate a large friction between the H-beam and the placement roller, so that the placement roller is not easy to wear;

[0032] 2. When the H-beam is bent, the limiting roller is close to the H-beam, so that the H-beam is not easy to shake significantly during the bending process, which is conducive to ensuring the bending accuracy of the H-beam;

[0033] 3. It is helpful to reduce the occurrence of H-beam detaching from the passive roller during horizontal reciprocating motion. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is the first overall schematic diagram of the overall structure of the embodiment of the present application.

[0035] Figure 2 It is a second overall schematic diagram of the overall structure of the embodiment of the present application.

[0036] Figure 3 It is a partial schematic diagram of the roller installation assembly of an embodiment of the present application.

[0037] Explanation of the reference numerals: 1. Roller mounting assembly; 11. Fixed seat; 111. Horizontal slide rail; 112. Limiting protrusion; 12. Horizontal slider; 121. Placement roller; 13. Fixed frame; 131. Limiting rod; 132. Fixed protrusion; 133. Vertical slide rail; 134. Vertical drive member; 14. Vertical slider; 141. Limiting roller; 2. Active bending assembly; 21. Active frame; 211. Guide slide rail; 22. Active roller; 23. Active drive member; 3. Passive bending assembly; 31. Passive frame; 311. Position sensor; 32. Passive roller; 33. Passive drive member. DETAILED DESCRIPTION

[0038] The following is combined with Figure 1-3 This application is described in further detail.

[0039] The present application embodiment discloses an H-beam roll bending machine. Figure 1 and Figure 2 The H-beam roll bending machine includes a machine tool, a roll mounting assembly 1, an active bending assembly 2 and a passive bending assembly 3. The roll mounting assembly 1 is provided with a plurality of roll mounting assemblies, and each of the plurality of roll mounting assemblies 1 is divided into a group of two, and the two roll mounting assemblies 1 in each group are arranged opposite to each other. Specifically, in the embodiment of the present application, there are a total of six groups of roll mounting assemblies 1, and the six groups of roll mounting assemblies 1 are distributed in the horizontal direction.

[0040] Reference Figure 2 and Figure 3 The roller installation assembly 1 includes a fixed seat body 11, a horizontal slider 12, a fixed frame body 13 and a vertical slider 14. The fixed seat body 11 is fixedly installed on the machine tool, and the horizontal slider 12 is slidably matched with the fixed seat body 11 through a horizontal slide rail 111, and the horizontal slider 12 is fixedly installed on the top of the fixed seat body 11. The fixed seat body 11 is provided with two limiting protrusions 112, and the two limiting protrusions 112 are integrally connected to the top of the fixed seat body 11. The two limiting protrusions 112 and the horizontal slider 12 are distributed in the horizontal direction, and the two limiting protrusions 112 are respectively located at both ends of the horizontal slider 12, so as to limit the maximum horizontal movement of the horizontal slider 12 through the limiting protrusions 112.

[0041] Reference Figure 2 and Figure 3, the fixing frame body 13 is fixedly installed on the fixing seat body 11, and the cross-section of the fixing frame body 13 is arranged in a "U" shape. Two limiting rods 131 are movably connected to the fixing frame body 13, and the two limiting rods 131 are respectively located on both sides of the horizontal slider 12. The matching mode between the limiting rod 131 and the fixing frame body 13 can be rotational matching, sliding telescopic matching, and / or other ways that can realize the disassembly and assembly of the limiting rod 131 and the fixing frame body 13. The matching mode is used to realize the switching of the limiting rod 131 between two states, so that when the limiting rod 131 is in one state, the horizontal slider 12 is difficult to slide along the horizontal slide rail 111, and when the limiting rod 131 is in the other state, the horizontal slider 12 can slide along the horizontal slide rail 111.

[0042] Specifically, in the embodiment of the present application, the matching mode between the limiting rod 131 and the fixing frame body 13 is rotational matching, and the axis around which the limiting rod 131 rotates is arranged in the horizontal direction. The fixing frame body 13 is integrally connected with a fixing protrusion 132, and the fixing protrusion 132 is arranged in a cylindrical shape. The limiting rod 131 is clamped and matched with the fixing protrusion 132 through a limiting card slot. The limiting card slot is贯穿 opened in the limiting rod 131, and the inner wall of the limiting card slot is arranged in an arc shape. By clamping the fixing protrusion 132 into the limiting card slot, the limiting rod 131 is in a state where it is difficult to rotate, and the horizontal slider 12 is blocked, so that the horizontal slider 12 is difficult to slide along the horizontal slide rail 111. Further, by separating the fixing protrusion 132 from the limiting card slot, the limiting rod 131 is in a state of free rotation and no longer blocks the horizontal slider 12, so that the horizontal slider 12 can slide along the horizontal slide rail 111.

[0043] By locking or unlocking the horizontal movement of the horizontal slider 12 through the limiting rod 131, the horizontal slider 12 is kept stable when placing the H-shaped steel and is not easily disturbed by the H-shaped steel to cause a large initial displacement, which in turn causes the horizontal slider 12 to move to the maximum displacement prematurely when the H-shaped steel is bent, that is, the situation where the horizontal slider 12 abuts against the fixing protrusion 132 prematurely occurs. And after the bending of the H-shaped steel is completed, the horizontal slider 12 can be accurately and stably reset to the initial position through the limiting rod 131, so that the horizontal slider 12 is not easily slid when it is empty. In addition, by selectively rotating the limiting rod 131, the horizontal slider 12 can only move in a single direction. For example, if only the limiting rods 131 on the right side of the horizontal slider 12 are rotated to open, the horizontal slider 12 can only slide to the right and is difficult to slide to the left, which is beneficial to adjusting the sliding direction of the horizontal slider 12 according to the bending direction of the H-shaped steel, and at the same time meeting the applicability and stability of the horizontal slider 12.

[0044] Refer to Figure 2 and Figure 3The horizontal slider 12 is rotatably matched with a placement roller 121, and specifically, both ends of the placement roller 121 are rotatably matched with two horizontal sliders 12 of the same group of roller body mounting components 1. The placement roller 121 is arranged in the horizontal direction so that the H-shaped steel can be placed on the top of the placement roller 121.

[0045] Reference Figure 2 and Figure 3 The vertical slider 14 slides and cooperates with the fixed frame 13 in the vertical direction through two vertical slide rails 133. The two vertical slide rails 133 are fixedly installed on the fixed frame 13, and the two vertical slide rails 133 are arranged opposite to each other. The vertical slide rail 133 rotates and cooperates with the limiting roller 141, and specifically, the two ends of the limiting roller 141 rotate and cooperate with the two vertical sliders 14 of the same group of roller body installation components 1. The limiting roller 141 is arranged in the horizontal direction, and the limiting roller 141 is located at the top of the placement roller 121, so that the H-beam can be limited from the top of the H-beam by the limiting roller 141.

[0046] The fixed frame 13 is provided with a vertical driving member 134, and the vertical driving member 134 is used to drive the limiting roller 141 to move in the vertical direction. Specifically, in the embodiment of the present application, the type of the vertical driving member 134 is a screw, and the vertical driving member 134 is arranged in the vertical direction. The bottom of the vertical driving member 134 is rotatably matched with the vertical slider 14, and the top of the vertical driving member 134 is penetrated through the fixed frame 13 and threadedly matched with the fixed frame 13, so that the vertical slider 14 can be moved in the vertical direction by rotating the vertical driving member 134.

[0047] Reference Figure 1 and Figure 2 , each with three groups of roller mounting assemblies 1 located on both sides of the active bending assembly 2, the active bending assembly 2 includes an active frame 21, an active roller 22 and an active driving member 23. The type of the active driving member 23 is an oil cylinder, and the active driving member 23 is connected to the oil pump of the factory (not shown in the figure). The cylinder body of the active driving member 23 is fixedly installed on the machine tool through the oil cylinder frame, the oil cylinder frame is fixedly installed on the frame, and the piston rod of the active driving member 23 is arranged in the horizontal direction. The active frame 21 is fixedly installed on the piston rod of the active driving member 23, and the active frame 21 is slidably matched with the machine tool through the guide slide 211, and the guide slide 211 is fixedly installed on the machine tool. The active roller 22 is rotatably matched with the active frame 21, and the active roller 22 is arranged in the vertical direction, so that the active frame 21 is driven by the active driving member 23 to move in the horizontal direction, so that the active roller 22 is tightly matched with the H-shaped steel in the horizontal direction, so that the H-shaped steel is bent under force.

[0048] Reference Figure 1 and Figure 2, there are two passive bending assemblies 3, and the six roller mounting assemblies 1 are all located between the two passive bending assemblies 3. The passive bending assembly 3 includes a passive frame 31, a passive roller 32 and a passive driving member 33. The passive frame 31 is fixedly installed on the machine tool, and the passive roller 32 is rotatably matched with the passive frame 31, and the passive roller 32 is arranged in the vertical direction. The type of the passive driving member 33 is a reduction motor, and the passive driving member 33 is connected to the power supply equipment of the factory (not shown in the figure). The housing of the passive driving member 33 is fixedly installed on the top of the passive frame 31, and the output shaft of the passive driving member 33 is coaxially fixedly installed on the passive roller 32, so as to drive the passive roller 32 to rotate through the passive driving member 33. In addition, the passive frame 31 is fixedly installed with a position sensor 311, and the position sensor 311 stops the output of the passive driving member 33 or outputs in the reverse direction when the horizontal movement of the H-shaped steel exceeds the design value, so that the H-shaped steel reciprocates in the horizontal direction within the design range under the action of the position sensor 311 and the passive roller 32.

[0049] The implementation principle of an H-beam roll bending machine in the embodiment of the present application is:

[0050] S1, placing the H-shaped steel on the placing roller 121, and then making the two ends of the H-shaped steel close to the two passive rollers 32 respectively, and making the middle part of the H-shaped steel close to the active roller 22;

[0051] S2, rotating the vertical driving member 134, so that the limiting roller 141 is close to the surface of the H-beam from the top of the H-beam;

[0052] S3. According to the actual situation, the unlocking limit rod 131 is rotated to make the horizontal slider 12 and the limit roller 141 move in the horizontal direction as required;

[0053] S4, start the active driving member 23 and the passive driving member 33, and gradually increase the output force of the active driving member 23, so that the H-shaped steel is gradually bent to the designed curvature during the reciprocating motion in the horizontal direction, and the number of reciprocating motions of the H-shaped steel in the horizontal direction is more than three times.

[0054] Therefore, the present application limits the H-beam by placing the roller 121 and the limiting roller 141, and then reduces the local stress of the H-beam by bending the H-beam in the process of reciprocating motion in the horizontal direction, so that the H-beam is not easy to crack during the bending process. In addition, the placing roller 121 that can move horizontally with the bending of the H-beam reduces the friction between the placing roller 121 and the H-beam, so that the placing roller 121 of the roll bending machine is not easy to wear when the H-beam is bent.

[0055] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An H-beam roll bending machine, characterized in that: It comprises a machine tool, a roller mounting assembly (1), an active bending assembly (2) and a passive bending assembly (3); The roller installation assembly (1) comprises a fixed seat (11) and a horizontal slider (12); the fixed seat (11) is installed on a machine tool; the horizontal slider (12) slides and fits with the fixed seat (11) in a horizontal direction; the horizontal slider (12) is rotatably fitted with a placement roller (121); and the placement roller (121) is arranged in a horizontal direction; The active bending assembly (2) comprises an active frame (21), an active roller (22) and an active driving member (23), wherein the active roller (22) is rotatably matched with the active frame (21), and the active roller (22) is arranged in a vertical direction, and the active driving member (23) is used to drive the active frame (21) to move in a horizontal direction; The passive bending assembly (3) comprises a passive frame (31) and a passive roller (32); the passive frame (31) is installed on a machine tool; the passive roller (32) is rotatably matched with the passive frame (31); and the passive roller (32) is arranged in a vertical direction.

2. The H-beam roll bending machine according to claim 1, characterized in that: The roller installation assembly (1) further comprises a fixed frame (13), wherein the fixed frame (13) is installed on the fixed seat (11), and the fixed frame (13) is movably connected to a limit rod (131), wherein the limit rod and the horizontal slider (12) are distributed in the horizontal direction.

3. The H-beam roll bending machine according to claim 2, characterized in that: The limiting rod (131) is rotatably matched with the fixed frame (13); the fixed frame (13) is provided with a fixing protrusion (132); the limiting rod (131) is engaged with the fixing protrusion (132) via a limiting slot; the limiting slot is provided on the limiting rod (131).

4. The H-beam roll bending machine according to claim 1, characterized in that: The fixed seat body (11) is provided with a limiting protrusion (112), and the limiting protrusion (112) and the horizontal sliding block (12) are distributed in the horizontal direction.

5. The H-beam roll bending machine according to claim 1, characterized in that: The roller installation assembly (1) further comprises a fixed frame (13) and a vertical slider (14); the fixed frame (13) is installed on the fixed seat (11); the vertical slider (14) slides in the vertical direction to cooperate with the fixed frame (13); the vertical slider (14) rotates to cooperate with a limiting roller (141); the limiting roller (141) is arranged in the horizontal direction, and the limiting roller (141) is located on the top of the placement roller (121); the fixed frame (13) is provided with a vertical driving member (134); the vertical driving member (134) is used to drive the limiting roller (141) to move in the vertical direction.

6. The H-beam roll bending machine according to claim 5, characterized in that: The vertical driving member (134) is a screw rod, the vertical driving member (134) is rotationally matched with the vertical sliding block (14), and the vertical driving member (134) is threadedly matched with the fixed frame (13).

7. The H-beam roll bending machine according to claim 1, characterized in that: The active driving member (23) is of the type of an oil cylinder.

8. The H-beam roll bending machine according to claim 7, characterized in that: The passive bending assembly (3) further comprises a passive driving member (33), and the passive driving member (33) is used to drive the passive roller (32) to rotate.

9. The H-beam roll bending machine according to claim 8, characterized in that: The passive driving component (33) is a reduction motor.

10. The H-beam roll bending machine according to claim 8, characterized in that: The passive frame (31) is installed with a position sensor (311), and when the horizontal movement of the H-shaped steel exceeds a design value, the position sensor (311) causes the passive driving member (33) to stop output or reverse output.

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