A rotary steel bar bending machine

Abstract

The present invention belongs to the field of steel bar processing equipment, and discloses a rotary steel bar bending machine, comprising a frame; a rotary drive assembly, mounted on the frame; a rotary beam, placed on the rotary drive assembly, the rotary beam can be supported by the rotary drive assembly, and can be driven to rotate by the rotary drive assembly; a bending main machine, the bending main machine is mounted on the rotary beam, and can rotate to a vertical state or an inclined state with the rotary beam. The present invention can ensure that the steel bar will not fall off when bending steel bars with long end specifications while automatically loading materials, avoiding danger to operators, and is also conducive to subsequent processing.

Description

Technical Field

[0001] The invention relates to the field of steel bar processing equipment, in particular to a rotary steel bar bending machine. Background Art

[0002] The rebar bending machine is a processing equipment that bends rebar to form various required shapes. The rebar processed by the rebar bending machine can meet the construction of infrastructure such as bridges, highways, subways, etc. For the processing of rebars of different specifications and forms, the rebar bending machine in the existing technology can realize automatic loading of rebars by tilting its bending device. However, when the existing rebar bending machine loads and bends rebars with long end specifications, due to the inclined setting of the bending device, after the bending is completed, the longer end part of the rebar will generate a supporting force, which will cause the rebar to fall off from the central axis of the bending device. Due to the large dead weight of the rebar with long ends, it will cause certain dangers to the operator and is not convenient for subsequent processing. Summary of the invention

[0003] The object of the present invention is to provide a rotary steel bar bending machine which can automatically load materials and ensure that the steel bars will not fall off when bending steel bars with long end specifications.

[0004] To achieve this object, the present invention adopts the following technical solutions:

[0005] A rotary steel bar bending machine, comprising:

[0006] frame;

[0007] A rotary drive assembly is mounted on the frame;

[0008] A rotating crossbeam is placed on the rotating drive assembly, and the rotating crossbeam can be supported by the rotating drive assembly and driven to rotate by the rotating drive assembly;

[0009] The bending main machine is installed on the rotating crossbeam and can rotate to a vertical state or an inclined state along with the rotating crossbeam.

[0010] Preferably, the rotary drive assembly comprises a reduction motor, a plurality of sprockets arranged at intervals and driven to rotate synchronously by the reduction motor, a chain connected to the sprockets, one end of the chain is fixedly connected to a counterweight, and the other end is connected to a transmission member, the transmission member is connected to the rotating beam, and can drive the rotating beam to rotate.

[0011] Preferably, the transmission member includes an arc-shaped rotating track and a support plate, the rotating track is installed on the frame, one end of the support plate is fixedly connected to the rotating beam, and the other end is provided with a roller that can roll along the rotating track, and the other end of the chain is fixedly connected to the support plate.

[0012] Preferably, the transmission member comprises two support plates, and the rollers of the two support plates are both rollingly placed in the rotating track.

[0013] Preferably, a plurality of the rollers are provided at the other end of each of the support plates, and the plurality of the rollers are arranged at intervals.

[0014] Preferably, the rotary drive assembly comprises a plurality of drive members hinged on the frame and arranged at intervals, and a support base fixed on the frame and arranged at intervals, the rotary beam is hinged to the support base, the output end of the drive member is rotatably connected to the rotary beam, and can drive the rotary beam to rotate.

[0015] Preferably, the driving member is a lift, an electric push rod, a cylinder or a hydraulic cylinder.

[0016] Preferably, a rack is provided on the rotating crossbeam, a movable motor is provided on the bending main machine, and a gear meshing with the rack is fixedly provided at the output end of the movable motor.

[0017] Preferably, the bending main unit comprises a central axis and a wear-resistant plate, and the wear-resistant plate is opposite to the steel bar placement position of the central axis.

[0018] Preferably, a clamping device is further included, which is fixed to one side of the bending main machine and is used to fix and clamp the steel bars to be bent.

[0019] The beneficial effects of the present invention are as follows: the rotating beam is driven to rotate by the rotating driving assembly, so that the bending main machine on the rotating beam is in a vertical state or an inclined state. When the bending main machine is in an inclined state, the steel bar can be loaded. When bending steel bars with long end specifications, the bending main machine is firstly made in an inclined state for loading, and then the rotating beam is driven to rotate by the rotating driving assembly to make the bending main machine in a vertical state. At this time, the steel bars with long end specifications are bent in a vertical plane. After the steel bars are bent, they will not be affected by the force of the long end, thus avoiding falling off from the bending main machine, avoiding danger to the operator, and facilitating subsequent processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a front view of a rotary steel bar bending machine provided in Embodiment 1 of the present invention;

[0021] Figure 2 It is a schematic diagram of a bending main machine of a rotary steel bar bending machine provided in Embodiment 1 of the present invention in a vertical state;

[0022] Figure 3 It is a schematic diagram of a bending main machine of a rotary steel bar bending machine provided in Embodiment 1 of the present invention in an inclined state;

[0023] Figure 4 is a front view of a rotary steel bar bending machine provided in Embodiment 2 of the present invention;

[0024] Figure 5 It is a schematic diagram of a bending main machine of a rotary steel bar bending machine provided in Embodiment 2 of the present invention in a vertical state;

[0025] Figure 6 It is a schematic diagram showing that the bending main machine of the rotary steel bar bending machine provided in the second embodiment of the present invention is in a tilted state.

[0026] In the figure:

[0027] 1. Frame; 2. Rotating drive assembly; 21. Reducer motor; 22. Sprocket; 23. Chain; 24. Counterweight; 25. Transmission member; 251. Rotating track; 252. Support plate; 253. Roller; 26. Rotating shaft; 27. Bearing with seat; 2a. Driving member; 2b. Support seat; 3. Rotating beam; 4. Bending main machine; 41. Center shaft; 42. Wear-resistant plate; 43. Bending shaft; 5. Clamping device. DETAILED DESCRIPTION

[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0029] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0031] In the description of this embodiment, the terms "upper", "lower", "right", etc., directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0032] Embodiment 1

[0033] This embodiment provides a rotary steel bar bending machine, which can realize the bending of steel bars with long ends while realizing automatic feeding, and can ensure that the steel bars with long ends will not fall off after being bent. Figure 1-3 As shown, the rotary steel bar bending machine comprises a frame 1, a rotary drive assembly 2, a rotary beam 3 and a bending main machine 4, wherein the rotary drive assembly 2 is mounted on the frame 1, the rotary beam 3 is placed on the rotary drive assembly 2 and can be supported by the rotary drive assembly 2, and the rotary beam 3 can also be driven to rotate by the rotary drive assembly 2. The bending main machine 4 is mounted on the rotary beam 3, and can rotate with the rotary beam 3 to present a vertical state ( Figure 2 shown) or tilted state ( Figure 3 When the bending machine 4 is in a vertical state, it can bend the steel bars with long ends, and ensure that the steel bars with long ends will not fall off from the bending machine 4 after being bent.

[0034] In this embodiment, the above-mentioned rotation drive assembly 2 includes a reduction motor 21, a sprocket 22, a chain 23, a counterweight 24 and a transmission member 25, wherein:

[0035] The reduction motor 21 is mounted on the frame 1, and the output shaft of the reduction motor 21 is connected with the above-mentioned sprocket 22 to drive the sprocket 22 to rotate. In this embodiment, the above-mentioned sprocket 22 can be provided in multiple groups, and the multiple groups of sprockets 22 are arranged at intervals and fixedly connected by the rotating shaft 26. And the multiple groups of sprockets 22 are synchronously driven to rotate by the reduction motor 21. Optionally, each group of sprockets 22 can include one sprocket 22, or multiple sprockets 22. When multiple sprockets 22 are included, the multiple sprockets 22 are also arranged at intervals. Preferably, a seat bearing 27 can be installed on the frame 1, and the above-mentioned rotating shaft 26 can be rotatably placed in the seat bearing 27 and supported by the seat bearing 27, which improves the stability of the rotation of the rotating shaft 26, thereby providing a guarantee for the stability of the subsequent rotation of the rotating beam 3.

[0036] The chain 23 is connected to the sprocket 22, that is, each sprocket 22 is connected to a chain 23, one end of the chain 23 is fixedly connected to the counterweight 24, and the other end is connected to the transmission member 25. In other words, each chain 23 is connected to a corresponding transmission member 25.

[0037] The transmission member 25 is connected to the rotating beam 3 and can drive the rotating beam 3 to rotate. Figure 2 As shown, the transmission member 25 includes an arc-shaped rotating track 251 and a support plate 252, wherein the rotating track 251 is fixedly installed on the frame 1, one end of the support plate 252 is fixedly connected to the rotating beam 3, and the other end is provided with a roller 253 that can roll along the rotating track 251, and the other end of the chain 23 is fixedly connected to the support plate 252. The sprocket 22 is driven to rotate by the reduction motor 21, and the sprocket 22 drives the chain 23 to move. Under the action of the counterweight 24, the chain 23 will drive the support plate 252 to move in the rotating track 251. Due to the arc structure of the rotating track 251, it can make the moving track of the support plate 252 arc-shaped, and then the support plate 252 drives the rotating beam 3 to rotate, and the rotating beam 3 drives the bending host 4 thereon to rotate to a vertical state or an inclined state.

[0038] In this embodiment, preferably, two support plates 252 are provided for each transmission member 25, and the rollers 253 of the two support plates 252 are both rolled and placed in the rotating track 251. That is to say, each set of sprockets 22 in this embodiment is provided with two, and the two sprockets 22 correspond to one support plate 252 respectively. By providing two sprockets 22 and two support plates 252, the force transmitted by the transmission member 25 at this location can be made more stable, and the transmitted force is greater. In particular, in conjunction with the provision of multiple sets of sprockets 22, each set of sprockets 22 corresponds to two support plates 252, so that the rotating beam 3 is evenly supported, and the force transmitted to the rotating beam 3 by the support plates 252 is evenly distributed on the rotating beam 3, thereby making the rotation of the rotating beam 3 more stable.

[0039] Preferably, refer to Figure 2 In this embodiment, the other end of each support plate 252 is provided with a plurality of rollers 253, and the plurality of rollers 253 are arranged at intervals. By providing a plurality of rollers 253, the support plate 252 can be supported on the rotating track 251 more stably.

[0040] In this embodiment, a rack (not shown in the figure) is provided on the rotating crossbeam 3, and a moving motor (not shown in the figure) is provided on the bending main machine 4. A gear (not shown in the figure) meshing with the rack is fixed at the output end of the moving motor. With this structure, the bending main machine 4 can be moved on the rotating crossbeam 3 to be suitable for bending steel bars at different bending positions.

[0041] The bending main machine 4 includes a central shaft 41 and a wear-resistant plate 42, wherein the central shaft 41 is used to place the steel bars to be bent, and the wear-resistant plate 42 is opposite to the steel bar placement position of the central shaft 41. Through the wear-resistant plate 42, when the bending main machine 4 is in an inclined state, the steel bars on the wear-resistant plate 42 can automatically fall into the steel bar placement position of the central shaft 41, and then can be bent through the bending shaft 43 of the bending main machine 4. Preferably, the bending main machine 4 can be set in two groups, and both groups of bending main machines 4 are slidably placed on the rotating crossbeam 3.

[0042] The rotary steel bar bending machine of this embodiment further comprises a clamping device 5, which is fixed to one side of the bending main machine 4 and is used to fix and clamp the steel bar to be bent. The clamping device 5 can be a cylinder driving a pressure block to achieve the clamping and positioning of the steel bar.

[0043] When the rotary steel bar bending machine of this embodiment is used, if the steel bar that is bent is not of long end specification, the rotating crossbeam 3 can be driven to rotate by the rotating drive assembly 2 to make the bending main machine 4 to an inclined state (i.e. Figure 3 The steel bar is directly dropped to the steel bar placement position of the central axis 41, and then the bending axis 43 is driven to bend the steel bar.

[0044] When the steel bar with long end specifications is bent, the rotating beam 3 can be driven to rotate by the rotating drive component 2 to make the bending main machine 4 to an inclined state (i.e. Figure 3 The steel bar is directly dropped to the steel bar placement position of the central axis 41, and then the rotating beam 3 is driven to rotate by the rotating drive assembly 2, so that the bending main machine 4 is in a vertical state (i.e. Figure 2 The state shown in the figure) can then be driven to bend the steel bar with the long end. Since the steel bar with the long end is bent in the vertical plane, it will not be affected by the force of the long end after being bent, thus avoiding falling off from the bending main machine 4, avoiding danger to the operator, and facilitating subsequent processing. Moreover, the rotary steel bar bending machine of this embodiment also has the advantages of compact structure, high degree of automation, reduced labor intensity of workers, improved production efficiency, small footprint, convenient maintenance, stable operation and low cost.

[0045] Embodiment 2

[0046] The rotary steel bar bending machine provided in this embodiment is different from the embodiment 1 only in the structure of the rotary drive assembly 2, and the other structures are the same as those in the embodiment 1. Therefore, this embodiment only describes the structure of the rotary drive assembly 2.

[0047] like Figure 4-6As shown, the rotary drive assembly 2 of the rotary steel bar bending machine of this embodiment includes a plurality of drive members 2a hinged on the frame 1 and arranged at intervals, and a support seat 2b fixed on the frame 1 and arranged at intervals, the rotating crossbeam 3 is hinged on the support seat 2b, and the output end of the drive member 2a is rotatably connected to the rotating crossbeam 3, and can drive the rotating crossbeam 3 to rotate. Through the above-mentioned drive member 2a and the support seat 2b, it is possible to support the rotating crossbeam 3 and drive the rotating crossbeam 3 to rotate. The above-mentioned drive member 2a can be a structure that can achieve linear telescopic movement, such as a lift, an electric push rod, a cylinder or a hydraulic cylinder.

[0048] When the rotary steel bar bending machine of this embodiment is used, if the steel bar to be bent is not of long end specification, the driving member 2a can be used to drive the rotating crossbeam 3 to rotate so that the bending main machine 4 is in an inclined state (i.e. Figure 6 The steel bar is directly dropped to the steel bar placement position of the central axis 41, and then the bending axis 43 is driven to bend the steel bar.

[0049] When the steel bar with long end specifications is bent, the rotating crossbeam 3 can be driven to rotate by the driving member 2a to make the bending main machine 4 to the inclined state (i.e. Figure 6 The steel bar is directly dropped to the steel bar placement position of the central axis 41, and then the rotating beam 3 is driven to rotate by the driving member 2a, so that the bending machine 4 is in a vertical state (i.e. Figure 5 The bending shaft 43 can then be driven to bend the steel bar with the long end. Since the steel bar with the long end is bent in a vertical plane, the steel bar will not be subjected to the force of the long end after being bent, thus avoiding falling off from the bending main machine 4, thus avoiding danger to the operator and facilitating subsequent processing.

[0050] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A rotary steel bar bending machine, characterized in that: include: Rack(1); A rotary drive assembly (2) mounted on the frame (1); A rotating crossbeam (3) is placed on the rotating drive assembly (2); the rotating crossbeam (3) can be supported by the rotating drive assembly (2) and can be driven to rotate by the rotating drive assembly (2); A bending main machine (4), the bending main machine (4) being mounted on the rotating crossbeam (3) and being capable of rotating with the rotating crossbeam (3) to a vertical state or an inclined state. When a steel bar with a long end specification is to be bent, the rotating crossbeam (3) can be driven to rotate by the rotating drive assembly (2) so that the bending main machine (4) is in an inclined state. At this time, the steel bar is directly dropped to a steel bar placement position. The rotating crossbeam (3) is then driven to rotate by the rotating drive assembly (2) so that the bending main machine (4) is in a vertical state. The steel bar with a long end specification can then be bent. The bending main machine (4) comprises a central axis (41) and a wear-resistant plate (42), wherein the wear-resistant plate (42) is located opposite to a steel bar placement position of the central axis (41); A clamping device (5), the clamping device (5) being fixed to one side of the bending main machine (4) and being used to fix and clamp the steel bar to be bent; The rotary drive assembly (2) comprises a reduction motor (21), a plurality of sprockets (22) arranged at intervals and driven to rotate synchronously by the reduction motor (21), and a chain (23) connected to the sprockets (22), one end of the chain (23) being fixedly connected to a counterweight (24), and the other end of the chain (23) being connected to a transmission member (25), the transmission member (25) being connected to the rotary beam (3) and capable of driving the rotary beam (3) to rotate; The transmission member (25) comprises an arc-shaped rotating track (251) and a support plate (252); the rotating track (251) is mounted on the frame (1); one end of the support plate (252) is fixedly connected to the rotating crossbeam (3); the other end of the support plate (252) is provided with a roller (253) capable of rolling along the rotating track (251); the other end of the chain (23) is fixedly connected to the support plate (252); The transmission member (25) comprises two support plates (252), and the rollers (253) of the two support plates (252) are both rolled and placed in the rotating track (251).

2. The rotary steel bar bending machine according to claim 1, characterized in that: A plurality of rollers (253) are provided at the other end of each support plate (252), and the plurality of rollers (253) are arranged at intervals.

3. The rotary steel bar bending machine according to claim 1, characterized in that: The rotary drive assembly (2) comprises a plurality of drive members (2a) hinged on the frame (1) and arranged at intervals, and a support seat (2b) fixed on the frame (1) and arranged at intervals, the rotary beam (3) being hinged on the support seat (2b), and the output end of the drive member (2a) being rotatably connected to the rotary beam (3) and capable of driving the rotary beam (3) to rotate.

4. The rotary steel bar bending machine according to claim 3, characterized in that: The driving component (2a) is a lift, an electric push rod, a cylinder or a hydraulic cylinder.

5. The rotary steel bar bending machine according to any one of claims 1 to 4, characterized in that: The rotating crossbeam (3) is provided with a rack, the bending main machine (4) is provided with a moving motor, and the output end of the moving motor is fixedly provided with a gear meshing with the rack.

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