Variable cross-section plate arc bending machine

Abstract

The invention relates to the technical field of cold press forming, and provides a variable-cross-section plate arc bending machine which comprises a rack. The guide roller assembly comprises an upper guide roller set and a lower guide roller set which are oppositely arranged up and down, and the guide roller assembly is used for conveying and limiting the plates; the forming roller assembly comprises an upper forming roller set and a lower forming roller set which are oppositely arranged up and down, and the forming roller assembly is used for extruding side plates and buckle plates of the plates; the shaping roller assembly comprises an upper shaping roller set and a lower shaping roller set which are oppositely arranged up and down, and the shaping roller assembly is used for adjusting and shaping the arc bending angle of the plate; a height adjusting module; the inclination adjusting module is arranged on the height adjusting module, the height adjusting module is used for driving the inclination adjusting module to move and adjust in the height direction, and the upper guide roller set, the upper forming roller set and the upper shaping roller set are arranged on the inclination adjusting module. On the basis, the effect of bending the variable-cross-section plate can be achieved.

Description

Technical Field

[0001] The present application relates to the technical field of cold pressing, and in particular to a variable-section plate bending machine. Background Art

[0002] At present, in some curved steel structure buildings and other fields, some curved plates are often used, and curved plates generally need to use bending machines to bend some roll-formed plates. Moreover, the cross-section of the plates used in some steel structure buildings before bending is not uniform, but variable. Figure 1 The variable cross-section plate shown in the figure comprises a bottom plate 1, a side plate 2 and a gusset plate 3. The side plates 2 are located on both sides of the length of the bottom plate 1, and the gusset plate 3 is located on the side of the side plate 2 away from the bottom plate 1. One end of the bottom plate 1 is relatively wide, and the other end is relatively narrow, that is, the cross-sectional shape of the plate remains unchanged, but the width of the bottom plate 1 gradually changes.

[0003] The existing Chinese patent with announcement number CN207823650U discloses a roll bending machine used in a rolling production line, which belongs to the technical field of anti-collision beam manufacturing, and includes: a frame, a first roll bending wheel and a second roll bending wheel arranged side by side with the first roll bending wheel, a plurality of auxiliary wheels and a core mold; the anti-collision beam to be processed is located between the first roll bending wheel and the second roll bending wheel, and the first roll bending wheel and the second roll bending wheel are both rotatably arranged on the frame; the plurality of auxiliary wheels are all arranged on the frame and are located downstream of the first roll bending wheel; the core mold includes an elastic rod and a plurality of core blocks sleeved on the elastic rod, and the core mold is penetrated into the anti-collision beam to be processed.

[0004] Regarding the above-mentioned related technologies, they can be used to roll-bend anti-collision beam profiles with equal cross-sections, but they are not suitable for bending profiles with variable cross-sections. Summary of the invention

[0005] In order to bend plates with variable cross-sections, the present application provides a bending machine for plates with variable cross-sections.

[0006] The variable cross-section plate bending machine provided in this application adopts the following technical solution: A variable cross-section plate bending machine comprises a frame; a guide roller assembly, the guide roller assembly comprises an upper guide roller group and a lower guide roller group arranged relatively to each other up and down, the guide roller assembly is used to convey and limit the plate; a forming roller assembly, the forming roller assembly comprises an upper forming roller group and a lower forming roller group arranged relatively to each other up and down, the forming roller assembly is used to extrude the side plate and the buckle plate of the plate; a shaping roller assembly, the shaping roller assembly comprises an upper shaping roller group and a lower shaping roller group arranged relatively to each other up and down, the shaping roller assembly is used to adjust and shape the bending angle of the plate; a height adjustment module, the height adjustment module The inclination adjustment module is arranged on the frame; the inclination adjustment module is arranged on the height adjustment module, and the height adjustment module is used to drive the inclination adjustment module to move and adjust along the height direction, the upper guide roller group, the upper forming roller group and the upper shaping roller group are arranged on the inclination adjustment module, and the adjustment axis of the inclination adjustment module is arranged horizontally; the guide roller assembly, the forming roller assembly and the shaping roller assembly are arranged in sequence along the conveying direction of the plate, and the lower guide roller group, the lower forming roller group and the lower shaping roller group are arranged on the frame.

[0007] By adopting the above technical scheme, when bending an arc, one side plate of the plate is placed horizontally and the bottom plate is placed horizontally for processing, then the narrower end of the plate is sent into the guide roller assembly for clamping and forwarding, then the plate enters the forming roller assembly, the forming roller assembly squeezes the side plate and the gusset plate of the plate, at this time the side plate and the gusset plate are pressed thin and deformed, then the formed plate enters the shaping roller assembly, the shaping roller assembly shapes the bending angle of the plate; wherein, the portion of the plate between the guide roller assembly and the forming roller assembly is still a straight segment, after being squeezed, the shaping roller assembly limits the position of the formed end , the required bending angle can be obtained; and, according to the change in the width of the base plate, the height position of the inclination adjustment module can be controlled by the height adjustment module, and then the inclination of the upper guide roller group, the upper forming roller group and the upper shaping roller group can be controlled by the inclination adjustment module. Because the side plate at the lower position is conveyed along the horizontal plane, and the side plate at the upper position is conveyed along the inclined plane, the forming surfaces of the upper guide roller group, the upper forming roller group and the upper shaping roller group can be adjusted at this time to ensure that they are adapted to the side plate and the gusset plate at the upper position, so as to ensure that the side plate and the gusset plate at the upper position can be normally extruded and formed, so as to realize the bending of plates with variable cross-sections.

[0008] Preferably, the upper forming roller group and the lower forming roller group both include rotatably arranged supporting rollers, side extrusion rollers and buckle edge extrusion rollers, the frame is provided with a tensioning member for driving the side extrusion rollers to squeeze the side plates, and the frame is provided with a thrust member for driving the buckle edge extrusion rollers to squeeze the buckle edges; when the side extrusion rollers and the buckle edge extrusion rollers are extruding, one side of the side plate and the buckle plate fits against the supporting rollers.

[0009] By adopting the above technical solution, when the plate is being conveyed and passing through the forming roller assembly, the tensioning member can pull the side extrusion roller to extrude the side plate and be supported by the supporting roller; and the thrust member can drive the buckle edge extrusion roller to extrude the buckle edge to achieve thinning and bending of the plate.

[0010] Preferably, the height adjustment module comprises a lifting block and a first driving assembly, the lifting block is slidably disposed on the frame along a height direction, and the first driving assembly is used to drive the lifting block to slide.

[0011] By adopting the above technical solution, the first driving assembly drives the lifting block to slide along the height direction.

[0012] Preferably, the inclination adjustment module includes a rotating frame and a second driving assembly, the rotating frame is rotatably connected to the lifting block, the second driving assembly is arranged on the lifting block and is used to drive the rotating frame to rotate, and the upper guide roller group, the upper forming roller group and the upper shaping roller group are arranged on the rotating frame.

[0013] By adopting the above technical solution, when the second driving member drives the rotating frame to swing along the horizontal plane, it can drive the upper guide roller group, the upper forming roller group and the upper shaping roller group to adjust the processing plane.

[0014] Preferably, the upper shaping roller group and the lower shaping roller group both include a shaping frame, a shaping roller member and a third driving assembly; the shaping frame of the upper shaping roller group is rotatably connected to the rotating frame, the shaping frame of the lower shaping roller group is rotatably connected to the frame, the shaping roller member is rotatably connected to the shaping frame, the rotating shaft of the shaping frame is vertically arranged, and the third driving assembly is used to adjust the rotation angle of the shaping frame.

[0015] By adopting the above technical solution, when the third driving member drives the rotating frame to rotate, it can drive the forming frame and the forming roller assembly to rotate along the vertical rotating axis; at this time, with the rotating axis of the forming frame as the axis, the angle between the forming roller assembly and the forming roller assembly can be adjusted, thereby controlling the bending angle of the plate.

[0016] Preferably, the rotating shafts of the upper guide roller group and the lower guide roller group are fixed with a first gear group, the rotating shafts of the upper shaping roller group and the lower shaping roller group are fixed with a second gear group, and the rotating shaft of the support roller is fixed with an intermediate gear; the first linkage gear and the second linkage gear are rotatably provided on the rotating frame and the frame, the first linkage gear transmission connects the first gear group and the intermediate gear, the second linkage gear transmission connects the intermediate gear and the second gear group, and the frame and the rotating frame are both provided with a fourth driving member for driving the intermediate gear to rotate.

[0017] By adopting the above technical solution, the upper guide roller group, upper forming roller assembly and supporting rollers on the rotating frame can be linked together, and only a fourth driving member is needed to drive the rotation synchronously; and the lower guide roller group, lower forming roller assembly and supporting rollers behind the lower position can also be linked together and driven by another fourth driving member.

[0018] Preferably, the rotating shaft of the shaping frame is coaxially arranged with the second linkage gear.

[0019] By adopting the above technical solution, since the intermediate gear and the second gear set are meshed through the second linkage gear, when the angle of the forming frame is adjusted, the second linkage gear and the second gear set can maintain normal meshing without separation or interference.

[0020] Preferably, the third driving assembly includes a third motor, a third screw rod and a third nut, the body of the third motor is rotatably installed, the third nut is threadedly connected to the third screw rod, the third nut is rotatably connected to the forming frame, the rotating shafts of the third motor and the third nut are both vertically arranged, the third screw rod is horizontal and is connected to the output shaft of the third motor, and the third motor is used to drive the third screw rod to rotate.

[0021] By adopting the above technical solution, when the third motor drives the third screw rod to rotate, the position of the third nut on the third screw rod changes. At this time, the body of the third motor also rotates accordingly, thereby driving the forming frame to rotate, thereby realizing the third driving assembly to adjust the rotation angle of the forming frame.

[0022] Preferably, the tensioning member includes a swing arm and a tension cylinder, the swing arm is rotatably connected to the frame and the rotating frame, the swing arm is located on one side of the roller, the rotation axis of the swing arm is horizontally arranged, the side extrusion roller is rotatably arranged on the swing arm, and the tension cylinder is used to drive the swing arm to swing.

[0023] By adopting the above technical solution, the swing arm can facilitate the swing installation of the upper side squeezing roller. At the same time, when the tension cylinder drives the swing arm to swing, the side squeezing roller can be driven to move closer to or away from the side plate.

[0024] Preferably, the thrust member includes a thrust block and a thrust cylinder, the push block is slidably connected to the frame and the rotating frame, the push block is located on one side of the roller, the thrust cylinder is used to drive the push block to move horizontally, and the buckle edge extrusion roller is rotatably connected to the push block.

[0025] By adopting the above technical solution, the push block can facilitate the sliding installation of the side squeezing roller. The push block is driven to slide by the thrust rod, so that the buckle side squeezing roller can be driven to approach or move away from the buckle plate.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: (1) By setting the coordination among the frame, the guide roller assembly, the forming roller assembly, the shaping roller assembly, the height adjustment module and the inclination adjustment module, the height position of the upper guide roller group, the upper forming roller group and the upper shaping roller group and the shaping working surface can be adjusted. When one side of the plate is transported horizontally, the shaping working surfaces of the guide roller group, the upper forming roller group and the upper shaping roller group can be adapted to the other horizontally inclined side plate according to the width change of the bottom plate and the inclination of one side plate. At the same time, the shaping roller assembly controls the bending angle to realize the bending of the plate with variable cross-section; (2) The upper shaping roller group and the lower shaping roller group both include a shaping frame, a shaping roller member and a third driving assembly, and the shaping roller assembly can drive the shaping frame and the shaping roller assembly to rotate along the vertical rotating shaft; at this time, with the rotating shaft of the shaping frame as the axis, the angle between the forming roller assembly and the shaping roller assembly can be adjusted, thereby adjusting the bending angle of the plate; (3) By setting the coordination among the first gear group, the second gear group, the first linkage gear, the second linkage gear and the fourth driving member, the upper guide roller group, the upper forming roller assembly and the supporting roller on the rotating frame can be linked together and driven by a fourth driving member; and the lower guide roller group, the lower forming roller assembly and the supporting roller at the lower position are also linked together and driven by another fourth driving member; and the rotating shaft of the shaping frame is coaxially arranged with the second linkage gear, when the shaping frame is adjusting the angle, the second linkage gear and the second gear group can maintain normal meshing without separation or interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the plate of this embodiment; Figure 2 This is a schematic diagram of the structure of the arc bending machine of this embodiment when it is equipped with a plate; Figure 3 Schematic diagram of the structure of the arc bending machine in this embodiment; Figure 4 It is a partial structural schematic diagram of the arc bending machine of this embodiment; Figure 5 It is another partial structural schematic diagram of the arc bending machine in this embodiment.

[0028] Reference numerals: 1, bottom plate; 2, side plate; 3, buckle plate; 4, frame; 5, guide roller assembly; 51, upper guide roller group; 52, lower guide roller group; 6, forming roller assembly; 61, upper forming roller group; 62, lower forming roller group; 7, shaping roller assembly; 71, upper shaping roller group; 72, lower shaping roller group; 8, height adjustment module; 81, lifting block; 82, first drive assembly; 821, first screw rod; 822, first motor; 9, inclination adjustment module; 91, rotating frame; 92, second drive assembly; 921, second motor; 922, second screw rod; 923 , second nut; 10, stand; 11, work table; 12, roller; 13, side extrusion roller; 14, buckle edge extrusion roller; 15, tension member; 151, swing arm; 152, tension cylinder; 16, thrust member; 161, push block; 162, thrust cylinder; 17, first gear set; 18, second gear set; 19, intermediate gear; 20, first linkage gear; 21, second linkage gear; 22, fourth driving member; 23, shaping frame; 24, shaping roller member; 25, third driving assembly; 251, third motor; 252, third screw rod; 253, third nut. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1 - Provide further details of this application.

[0030] The present application embodiment discloses a variable cross-section plate bending machine, which is mainly suitable for Figure 1 The variable cross-section plate shown is bent, that is, the width of the bottom plate 1 of the plate gradually changes, while the cross-sectional shapes of the side plates 2 and the gusset plates 3 remain unchanged.

[0031] Reference Figure 2 and Figure 3 The variable cross-section plate bending machine includes a frame 4, a guide roller assembly 5, a forming roller assembly 6, a shaping roller assembly 7, a height adjustment module 8 and an inclination adjustment module 9. The guide roller assembly 5, the forming roller assembly 6 and the shaping roller assembly 7 are arranged on the frame 4 in sequence along the conveying direction of the plate.

[0032] The height adjustment module 8 is arranged on the frame 4, and the height adjustment module 8 includes a lifting block 81 and a first driving assembly 82. A work surface 11 is arranged on the upper end of the frame 4, and a stand 10 is fixed on the work surface 11. The lifting block 81 is connected to the stand 10 by sliding along the height direction, and the first driving assembly 82 is fixed to the stand 10 and is used to drive the lifting block 81 to slide along the height direction. Specifically, the first driving assembly 82 includes a first screw rod 821 and a first motor 822. The first screw rod 821 is vertically and rotationally connected to the stand 10. The first screw rod 821 is threadedly connected to the lifting block 81, and the first screw rod 821 and the stand 10 are relatively stationary. The first motor 822 is installed on the upper end of the stand 10 and is used to drive the first screw rod 821 to rotate; when the first motor 822 rotates, the lifting block 81 can be controlled to slide along the height direction.

[0033] The inclination adjustment module 9 is arranged on the lifting block 81, and includes a rotating frame 91 and a second driving assembly 92. The rotating frame 91 is a horizontally placed angle steel plate structure, and reinforcing ribs are welded at intervals at the clamping of the angle steel plate to ensure the structural strength of the rotating frame 91. The vertical side of the angle steel plate is horizontally opposite to the lifting block 81 and is connected through a rotating shaft to realize the rotation connection between the rotating frame 91 and the lifting block 81. The second driving assembly 92 is arranged at one end of the lifting block 81 and is used to drive the rotating frame 91 to rotate.

[0034] Reference Figure 3 and Figure 4 The second driving assembly 92 includes a second motor 921, a second screw rod 922 and a second nut 923. The body of the second motor 921 is rotatably mounted on the lifting block 81. The second nut 923 is vertically arranged and drivingly connected to the output shaft of the second motor 921. The second nut 923 is threadedly connected to the second screw rod 922. The second nut 923 is rotatably connected to the lifting block 81, and the second nut 923 is fixed to one end of the rotating frame 91. The rotating shaft of the body of the second motor 921 and the rotating shaft of the second nut 923 are both horizontally arranged, and the third motor 251 is used to drive the second screw rod 922 to rotate. A detector for detecting the rotation angle of the rotating shaft of the rotating frame 91 is installed on the lifting block 81. When the second screw rod 922 drives the second nut 923 to rotate, the rotating frame 91 can be driven to swing horizontally.

[0035] The guide roller assembly 5 is used to clamp and limit the plate forward. In this embodiment, the plate is placed horizontally during transportation and processing, and the bottom plate 1 is perpendicular to the horizontal plane, one side plate 2 is horizontal and located at the bottom, and the other side plate 2 at the top is arranged obliquely in the horizontal plane. The guide roller assembly 5 includes an upper guide roller group 51 and a lower guide roller group 52 that are arranged opposite to each other up and down. The upper guide roller group 51 and the lower guide roller group 52 each include a pair of guide rollers that are rotatably arranged. Each pair of guide rollers is staggered and the rotating shaft is vertically arranged. The side plate 2 and the mouth plate 3 pass along the gap between the upper and lower staggered guide rollers; the upper guide roller group 51 is installed on the rotating frame 91 and is used to limit the conveyance of the side plate 2 inclined above; the lower guide roller group 52 is installed on the work table 11 and is used to limit the conveyance of the horizontal side plate 2.

[0036] The forming roller assembly 6 is used to extrude the side plate 2 and the buckle plate 3 of the plate. The forming roller assembly 6 is located on the horizontal side of the guide roller assembly 5. The forming roller assembly 6 includes an upper forming roller group 61 and a lower forming roller group 62 which are arranged opposite to each other. The upper forming roller group 61 is installed on the rotating frame 91, and the lower forming roller group 62 is installed on the work table 11. The upper forming roller group 61 and the lower forming roller group 62 both include a rotating roller 12, a side squeezing roller 13 and a buckle edge squeezing roller 14. The rotating shafts of the rollers 12 and the side squeezing rollers 13 are both arranged vertically. The buckle plate 3 passes through the gap between the buckle edge squeezing roller 14 and the roller 12, and the side plate 2 passes through the gap between the side squeezing roller 13 and the roller 12.

[0037] The frame 4 is provided with a tensioning member 15 for driving the side squeezing roller 13 to squeeze the side plate 2, and the frame 4 is provided with a thrust member 16 for driving the buckle edge squeezing roller 14 to squeeze the buckle edge. When the side squeezing roller 13 and the buckle edge squeezing roller 14 squeeze, the outer side surface of the side plate 2 and the buckle plate 3 fits the outer side of the roller 12, so that the thickness of the side plate 2 and the buckle plate 3 is compressed to be thin, and the plate is bent.

[0038] Specifically, the upper forming roller group 61 and the lower forming roller group 62 are both provided with tensioning members 15 and thrust members 16. The tensioning members 15 and thrust members 16 corresponding to the upper forming roller group 61 are located on the rotating frame 91, and the tensioning members 15 and thrust members 16 corresponding to the lower forming roller group 62 are located on the work surface 11. The tensioning member 15 includes a swing arm 151 and a tension cylinder 152. The swing arm 151 is rotatably connected to the frame 4 and the rotating frame 91. The swing arm 151 is located on one side of the roller 12. The rotation axis of the swing arm 151 is horizontally arranged. The side squeeze roller 13 is rotatably arranged on the swing arm 151. The telescopic rod of the tension cylinder 152 is connected to the swing end of the swing arm 151 through a rotating shaft. When the telescopic rod moves back and forth up and down, it can drive the swing arm 151 to swing up and down, so that the lower end of the side squeeze roller 13 fits and squeezes the inner side surface of the side plate 2.

[0039] The thrust member 16 includes a push block 161 and a thrust cylinder 162. The push block 161 is slidably connected to the work table 11 and the rotating frame 91. The push block 161 is located on one side of the roller 12. The push block 161 moves horizontally toward or away from the roller 12. The thrust cylinder 162 is used to drive the push block 161 to move horizontally. The buckle squeeze roller 14 is rotatably connected to the upper side of the push block 161. When the buckle squeeze roller 14 approaches the roller 12, the buckle side can be squeezed on the outer side of the roller 12 to achieve the squeezing of the buckle plate 3.

[0040] The shaping roller assembly 7 is used to adjust and shape the bending angle of the plate. The shaping roller assembly 7 includes an upper shaping roller group 71 and a lower shaping roller group 72 which are arranged opposite to each other. The upper shaping roller group 71 is arranged at one end of the rotating frame 91 away from the upper guide roller group 51, and the lower shaping roller group 72 is arranged at one end of the working table 11 away from the lower guide roller group 52.

[0041] The upper shaping roller group 71 and the lower shaping roller group 72 both include a shaping frame 23, a shaping roller member 24 and a third driving assembly 25. The shaping roller member 24 also includes two rotating guide rollers. The outer contour of the guide roller of the shaping roller member 24 is the same as the outer contour of the guide roller of the guide roller assembly 5. The shaping frame 23 of the upper shaping roller group 71 is rotatably connected to the rotating frame 91, the shaping frame 23 of the lower shaping roller group 72 is rotatably connected to the frame 4, the shaping roller member 24 is rotatably connected to the shaping frame 23, and the rotating shaft of the shaping frame 23 is vertically arranged. The third driving assembly 25 is used to adjust the rotation angle of the shaping frame 23.

[0042] Reference Figure 4 and Figure 5 The third driving assembly 25 includes a third motor 251, a third screw rod 252 and a third nut 253. The body of the third motor 251 is rotatably installed on the rotating frame 91 and the work table 11. The third nut 253 is threadedly connected to the third screw rod 252. The third nut 253 is rotatably connected to the shaping frame 23. The body rotation axis of the third motor 251 and the rotation axis of the third nut 253 are both vertically arranged. The third screw rod 252 is horizontal and connected with the output shaft of the third motor 251. The third motor 251 is used to drive the third screw rod 252 to rotate. A detector for detecting the rotation angle of the rotating shaft of the rotating frame 91 is installed on the frame 4. When the third screw rod 252 rotates, the rotating frame 91 can be driven to adjust the angle.

[0043] When the plate enters the forming roller assembly 6 from the guide roller group, the portion of the plate between the guide roller group and the forming roller assembly 6 is a straight line segment, and the portion of the plate between the forming roller assembly 6 and the shaping roller assembly 7 is an arc segment after extrusion; and with the rotating axis of the shaping frame 23 as the center of the circle, by adjusting the position of the shaping frame 23, the relative position of the shaping roller assembly 7 and the forming roller assembly 6 can be adjusted, thereby adjusting the forming angle of the arc segment.

[0044] Reference Figure 3 and Figure 4 The height adjustment module 8 is used to drive the rotating frame 91, the upper guide roller group 51, the upper forming roller group 61 and the upper shaping roller group 71 to adjust along the height direction, which can be suitable for the normal transportation of the bottom plate 1 with a constantly changing width. The inclination adjustment module 9 can drive the upper guide roller group 51, the upper forming roller group 61 and the upper shaping roller group 71 to adjust the inclination synchronously, ensuring that the upper inclined side plate 2 and the buckle plate 3 can be bent and transported normally.

[0045] In some embodiments, reference Figure 4 and Figure 5 The first gear set 17 is fixed at the rotating shaft position of the upper guide roller group 51 and the lower guide roller group 52, the second gear set 18 is fixed at the rotating shaft position of the shaping roller member 24, and the intermediate gear 19 is fixed to the rotating shaft of the supporting roller 12; the first linkage gear 20 and the second linkage gear 21 are rotatably set on the rotating frame 91 and the frame 4, the first linkage gear 20 is connected to the first gear set 17 and the intermediate gear 19, the second linkage gear 21 is connected to the intermediate gear 19 and the second gear set 18, and the frame 4 and the rotating frame 91 are both provided with a fourth driving member 22 for driving the intermediate gear 19 to rotate. The fourth driving member 22 is selected as a motor. Therefore, only two fourth driving members 22 are needed to drive all the guide roller assemblies 5, the supporting rollers 12 and the shaping roller members 24 to rotate.

[0046] The rotating shaft of the shaping frame 23 is coaxially arranged with the second linkage gear 21 , so when the shaping frame 23 is adjusted in angle, the second linkage gear 21 and the second gear set 18 can maintain normal meshing without separation or interference.

[0047] The implementation principle of a variable cross-section plate bending machine in the embodiment of the present application is as follows: when bending, the side plate 2 below the plate is transported along the horizontal plane. According to the width of the bottom plate 1 of the plate, the height of the lifting block 81 can be controlled by the first driving component 82, thereby adjusting the height of the rotating frame 91, the upper guide roller group 51, the upper forming roller group 61 and the upper shaping roller group 71. At the same time, the tilt angle of the rotating frame 91 is adjusted by the second driving member, thereby adjusting the horizontal tilt of the upper guide roller group 51, the upper forming roller group 61 and the upper shaping roller group 71; and then the third driving component 25 drives the shaping frame 23 to adjust the bending angle to adapt to the gradually changing width of the bottom plate 1 during the conveying process, and ensure that the side plates 2 and the buckle plates 3 on both sides can be normally squeezed and bent, so as to achieve bending of the plate with a variable cross-section.

[0048] 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. A variable cross-section plate bending machine, characterized in that: include, Rack (4); A guide roller assembly (5), the guide roller assembly (5) comprising an upper guide roller group (51) and a lower guide roller group (52) arranged opposite to each other in upper and lower directions, the guide roller assembly (5) being used to limit the conveyance of the plate; A forming roller assembly (6), the forming roller assembly (6) comprising an upper forming roller group (61) and a lower forming roller group (62) arranged in a vertical direction opposite to each other, the forming roller assembly (6) being used to extrude the side plate (2) and the buckle plate (3) of the plate; A shaping roller assembly (7), the shaping roller assembly (7) comprising an upper shaping roller assembly (71) and a lower shaping roller assembly (72) arranged in a vertical direction opposite to each other, the shaping roller assembly (7) being used to adjust and shape the bending angle of the plate; A height adjustment module (8), the height adjustment module (8) being arranged on the frame (4); an inclination adjustment module (9), the inclination adjustment module (9) being arranged on the height adjustment module (8), the height adjustment module (8) being used to drive the inclination adjustment module (9) to move and adjust along the height direction, the upper guide roller group (51), the upper forming roller group (61) and the upper shaping roller group (71) being arranged on the inclination adjustment module (9), and the adjustment axis of the inclination adjustment module (9) being arranged horizontally; The guide roller assembly (5), the forming roller assembly (6) and the shaping roller assembly (7) are arranged in sequence along the conveying direction of the plate, and the lower guide roller group (52), the lower forming roller group (62) and the lower shaping roller group (72) are arranged on the frame (4).

2. The variable cross-section plate bending machine according to claim 1, characterized in that: The upper forming roller group (61) and the lower forming roller group (62) both include a rotatably arranged supporting roller (12), a side squeezing roller (13) and a buckle edge squeezing roller (14); the frame (4) is provided with a tensioning member (15) for driving the side squeezing roller (13) to squeeze the side plate (2); the frame (4) is provided with a thrust member (16) for driving the buckle edge squeezing roller (14) to squeeze the buckle edge; when the side squeezing roller (13) and the buckle edge squeezing roller (14) are squeezing, one side of the side plate (2) and the buckle plate (3) are in contact with the supporting roller (12).

3. The variable cross-section plate bending machine according to claim 2, characterized in that: The height adjustment module (8) comprises a lifting block (81) and a first driving assembly (82); the lifting block (81) is slidably arranged on the frame (4) along a height direction; and the first driving assembly (82) is used to drive the lifting block (81) to slide.

4. The variable cross-section plate bending machine according to claim 3, characterized in that: The inclination adjustment module (9) comprises a rotating frame (91) and a second driving assembly (92); the rotating frame (91) is rotatably connected to the lifting block (81); the second driving assembly (92) is arranged on the lifting block (81) and is used to drive the rotating frame (91) to rotate; the upper guide roller group (51), the upper forming roller group (61) and the upper shaping roller group (71) are arranged on the rotating frame (91).

5. The variable cross-section plate bending machine according to claim 4, characterized in that: The upper shaping roller group (71) and the lower shaping roller group (72) both comprise a shaping frame (23), a shaping roller member (24) and a third driving assembly (25); the shaping frame (23) of the upper shaping roller group (71) is rotatably connected to the rotating frame (91); the shaping frame (23) of the lower shaping roller group (72) is rotatably connected to the frame (4); the shaping roller member (24) is rotatably connected to the shaping frame (23); a rotating shaft of the shaping frame (23) is vertically arranged; and the third driving assembly (25) is used to adjust the rotation angle of the shaping frame (23).

6. The variable cross-section plate bending machine according to claim 5, characterized in that: A first gear group (17) is fixed to the rotating shafts of the upper guide roller group (51) and the lower guide roller group (52), a second gear group (18) is fixed to the rotating shafts of the upper shaping roller group (71) and the lower shaping roller group (72), and an intermediate gear (19) is fixed to the rotating shaft of the support roller (12); a first linkage gear (20) and a second linkage gear (21) are rotatably provided on the rotating frame (91) and the frame (4); the first linkage gear (20) is transmission-connected to the first gear group (17) and the intermediate gear (19), and the second linkage gear (21) is transmission-connected to the intermediate gear (19) and the second gear group (18); and a fourth driving member (22) for driving the intermediate gear (19) to rotate is provided on the frame (4) and the rotating frame (91).

7. The variable cross-section plate bending machine according to claim 6, characterized in that: The rotating shaft of the shaping frame (23) is coaxially arranged with the second linkage gear (21).

8. The variable cross-section plate bending machine according to claim 7, characterized in that: The third driving assembly (25) comprises a third motor (251), a third screw rod (252) and a third nut (253); the body of the third motor (251) is rotatably mounted; the third nut (253) is threadedly connected to the third screw rod (252); the third nut (253) is rotatably connected to the shaping frame (23); the rotating shafts of the third motor (251) and the third nut (253) are both vertically arranged; the third screw rod (252) is horizontal and connected to the output shaft of the third motor (251); and the third motor (251) is used to drive the third screw rod (252) to rotate.

9. The variable cross-section plate bending machine according to claim 4, characterized in that: The tensioning member (15) comprises a swing arm (151) and a pulling cylinder (152); the swing arm (151) is rotatably connected to the frame (4) and the rotating frame (91); the swing arm (151) is located on one side of the supporting roller (12); the rotation axis of the swing arm (151) is arranged horizontally; the side squeezing roller (13) is rotatably arranged on the swing arm (151); and the pulling cylinder (152) is used to drive the swing arm (151) to swing.

10. The variable cross-section plate bending machine according to claim 4, characterized in that: The thrust member (16) comprises a push block (161) and a thrust cylinder (162); the push block (161) is slidably connected to the frame (4) and the rotating frame (91); the push block (161) is located on one side of the supporting roller (12); the thrust cylinder (162) is used to drive the push block (161) to move horizontally; and the buckle edge extrusion roller (14) is rotationally connected to the push block (161).

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