Arc forming machine

Abstract

The utility model discloses a kind of arc forming machines, belong to plate arc processing equipment technical field;Including box seat, bent plate support group, outer arc transmission group, outer arc forming group, bent plate beam pressing group, inner arc surface mould, inner arc transmission group, inner arc forming group and control screen;The box seat includes the side stand of box structure, the top surface middle part of side stand is fixed with frame beam, pedestal is fixed between two side stands;The bent plate support group is fixed in seat top surface;The outer arc transmission group is provided with two groups, and is respectively fixed in side stand interior front side, the outer arc forming group includes rotating support arm, and the rotating support arm is fixed with outer arc transmission group output end;Rotating support arm top surface is fixed with connecting crossbeam, and the top of connecting crossbeam is fixed with a plurality of first air cylinders, the arc forming machine of the utility model can realize the processing of plate inner arc and outer arc, and can guarantee the smooth transition of outer arc.

Description

Technical Field

[0001] This utility model specifically relates to an arc forming machine, belonging to the technical field of sheet metal arc processing equipment. Background Technology

[0002] With the increasing demand for personalized and customized interior decoration, various decorative scenarios require pressing or bending boards into curved boards or corners with a certain arc or angle. Among these, there are various types of forming machines for pressing or bending wood boards into curved boards with specific arcs or angles. Hot pressing forming machines apply a certain pressure and temperature to the wood board, causing it to soften under heat and then bend it into a set arc. For example, Chinese Patent Publication No. CN118544431A discloses a board arc forming machine, which includes a frame, controller, worktable, lifting device, arc mold core, rotating mechanism, and forming device. This structure can be used to process boards that are not easy to bend, including but not limited to melamine boards and PE boards. However, existing arc forming equipment can only perform stamping to achieve arc forming. During forming, it cannot guarantee a smooth transition of the outer arc and is prone to damaging the board structure. Moreover, this structure cannot achieve one-machine processing of the inner and outer arcs of the board. Utility Model Content

[0003] To address the aforementioned problems, this utility model proposes a circular arc forming machine that can process the inner and outer circular arcs of sheet metal, while ensuring a smooth transition of the outer circular arc.

[0004] The circular arc forming machine of this utility model includes: The box base includes side columns of the box structure, a frame beam is fixed to the middle of the top surface of the side columns, and a platform is fixed between two side columns; the box base mainly bears and supports the weight of the entire product to ensure the stability of equipment operation; A curved plate support assembly, wherein the curved plate support assembly is fixed to the top surface of the pedestal; The outer arc transmission assembly consists of two sets, each fixed to the front side of the side column. The outer arc forming assembly includes a rotating support arm, which is fixed to the output end of the outer arc transmission assembly. A connecting beam is fixed to the top surface of the rotating support arm, and multiple first cylinders are fixed to the top of the connecting beam. A heating plate is fixed to the bottom of each first cylinder via a cylinder mounting seat. The overall frame of the outer arc forming assembly is constructed of welded carbon steel and high-strength aluminum alloy. Nine SC40x450 cylinders provide sufficient power for the up-and-down movement of the heating plate (heated aluminum plate), ensuring work efficiency. The 4KW heating plate provides sufficient heat for bending the plate, ensuring the best effect of bending the plate into an arc. The curved plate pressure beam assembly includes multiple second cylinders fixed to the top of the frame beam, with the bottom of each second cylinder fixed to the curved plate pressure beam. A rubber pad is fixed to the bottom of the curved plate pressure beam. The overall frame of the curved plate pressure beam assembly is constructed of bolted carbon steel. Installed on the frame beam of the box base, its vertical movement is controlled by seven SC63x450 cylinders, ensuring smooth and unobstructed operation. A rubber pad is attached to the bottom of the curved plate pressure beam to ensure strong pressure on the plate, preventing slippage and effectively protecting the plate surface from scratches. An inner arc surface mold, wherein the inner arc surface mold is fixed to the rear side of the base and the top surface is flush with the bending plate support assembly; An inner arc transmission assembly is fixed to the rear side of the outer side column. The inner arc forming assembly includes a crossbeam, with both ends of the crossbeam fixed to the lifting end of the inner arc transmission assembly. Multiple third cylinders are fixed on the crossbeam, with the bottom of each third cylinder fixed to a heating tube. The overall frame of the inner arc forming assembly is constructed from carbon steel and high-strength aluminum alloy bolted together. Seven SDA40x25 cylinders provide sufficient power for the up-and-down movement of the heating tube (heated aluminum tube), ensuring work efficiency. The 4.5KW heating tube provides sufficient heat for bending the sheet metal, ensuring the best effect of the curved plate. The overall up-and-down movement of the inner arc forming assembly is driven by a stepper motor, ensuring the accuracy and stability of the pressure beam position. The control panel for overall machine control is fixed to the top of the side column by a cantilever. The entire control panel is connected by the cantilever and can rotate at different angles, making the operation of the equipment more intuitive and efficient.

[0005] During the outer arc processing, the first cylinder of the outer arc forming group drives the heating plate to press against the outer surface of the sheet metal. Then, the outer arc transmission group drives the rotating support arm to rotate, driving the heating plate to perform arc motion, thereby driving the sheet metal to complete the arc motion synchronously. During the motion, the heating plate is always heated. Since the heating plate completes the arc motion on the surface of the sheet metal, compared with heating and stamping, the outer arc of the sheet metal can be made smoother. During the inner arc machining, the inner arc transmission group sends the inner arc forming group to the machining position, so that the heating tube is pressed against the top surface of the plate and the plate is heated. Then, the third cylinder of the inner arc forming group drives the heating tube to press down. Since the bottom surface of the plate is limited by the inner arc mold, the plate is completely attached to the inner arc mold, and the bottom surface of the plate forms an inner arc surface that is consistent with the surface of the inner arc mold.

[0006] Furthermore, the inner arc transmission assembly includes a mounting plate fixed to the inner side of the side column, on which a rack and a linear guide are fixed, and a slider is slidably mounted on the linear guide; end plates are fixed at both ends of the span beam, and the end plates are fixed to the slider; a T-shaped lifting reducer is fixed in the middle of the span beam, and a lifting motor is provided at the input end of the lifting reducer; the two output ends of the lifting reducer are connected to a transmission optical shaft through a coupling, and the other end of the transmission optical shaft is rotatably mounted to the end plate through a bearing; the transmission optical shaft is fixed outside the end plate to engage with the rack. The drive gear; the linear guide rail and slider of the inner arc transmission group are guided by the HGW25CC linear slider module. Through the cooperation of the drive gear and rack, the inner arc forming group is driven to move up and down; providing a reliable guarantee for the inner arc forming of the sheet metal; during operation, the lifting motor drives the lifting reducer to rotate, and the lifting reducer drives the two transmission optical shafts to rotate through the coupling. The transmission optical shafts drive the drive gear to rotate synchronously. The gear and rack cooperate to realize the up and down movement of the inner arc forming group, and through the cooperation of the linear guide rail and slider, the linear guidance of the up and down movement is completed.

[0007] Furthermore, the outer arc transmission assembly includes an outer arc reducer, with a small gear fixed at the output end of the reducer. A large gear is meshed with the small gear and is rotatably mounted inside the side column. The center of the large gear is fixed to the rotating support arm. The input end of the outer arc reducer is connected to a drive reducer via a coupling. A stepper motor is connected to the input end of the drive reducer. The outer arc transmission assembly is powered by the stepper motor, which drives the small gear to rotate via the drive reducer. The small gear drives the large gear to rotate, and the large gear drives the outer arc forming assembly to achieve circular motion. Different angles of start and stop are achieved using photoelectric switches and limit switches.

[0008] Furthermore, the bending plate support assembly includes a support plate; multiple sets of support seats are fixed to the bottom surface of the support plate, a guide optical shaft is fixed to the support seat, a bearing seat is slidably arranged on the guide optical shaft, and the bearing seat is fixed to the top surface of the platform; a rubber pad is fixed to the top surface of the support plate; the overall frame of the bending plate support assembly is constructed of carbon steel bolted together, and is connected to the box base by 7 extended linear bearing seats, with an Ø25 optical shaft in the middle as support to ensure the stability of the front and back movement of the platform. A rubber pad is pasted on the top of the platform to prevent the plate from slipping and to effectively protect the surface of the plate from scratches; in use, the plate is placed on the rubber pad, and the plate is pushed to the forming processing position by the cooperation of the guide optical shaft and the bearing seat. Then, the plate position is locked by the bending plate pressure beam assembly, waiting for the plate to be processed into an arc.

[0009] Compared with the prior art, the arc forming machine of this utility model adopts electric heating, so that the heating plate and heating tube directly contact the plate. This allows the plate surface to be fully preheated. Under the action of softener and glue, the plate and the embedded lines are tightly bonded. The inner and outer arcs of the plate are formed by the outer arc forming group and the inner arc forming group, and the smooth transition of the outer arc is guaranteed. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the overall structure of the arc forming machine of this utility model.

[0011] Figure 2 For the present utility model Figure 1 A magnified schematic diagram of the structure at point A in the middle.

[0012] Figure 3 This is a schematic diagram of the overall structure of the housing of this utility model.

[0013] Figure 4 This is a schematic diagram of the overall structure of the curved plate support assembly of this utility model.

[0014] Figure 5 This is a schematic diagram of the bottom structure of the curved plate support assembly of this utility model.

[0015] Figure 6 This is a schematic diagram of the outer circular arc transmission assembly structure of this utility model.

[0016] Figure 7 This is a schematic diagram of the outer arc forming assembly structure of this utility model.

[0017] Figure 8 For the present utility model Figure 7 A magnified schematic diagram of the structure at point B in the middle.

[0018] Figure 9 This is a schematic diagram of the overall structure of the curved plate pressure beam assembly of this utility model.

[0019] Figure 10 This is a schematic diagram of the overall structure of the inner arc transmission assembly of this utility model.

[0020] Figure 11 This is a schematic diagram of the overall structure of the inner arc forming assembly of this utility model.

[0021] Figure 12 This is a schematic diagram of the control panel and cantilever mounting structure of this utility model.

[0022] Reference numerals: 1. Box base; 2. Side column; 3. Frame beam; 4. Platform; 5. Bending plate support assembly; 6. Outer arc transmission assembly; 7. Outer arc forming assembly; 8. Rotating support arm; 9. Connecting crossbeam; 10. First cylinder; 11. Heating plate; 12. Bending plate pressure beam assembly; 13. Second cylinder; 14. Bending plate pressure beam; 15. Inner arc transmission assembly; 16. Inner arc forming assembly; 17. Crossbeam; 18. Third cylinder; 19. Heating tube; 2 0. Control panel; 21. Cantilever; 22. Mounting plate; 23. Rack; 24. Linear guide rail; 25. Slider body; 26. End plate; 27. Lifting reducer; 28. Lifting motor; 29. ​​Transmission optical shaft; 30. Drive gear; 31. External arc reducer; 32. Pinion; 33. Large gear; 34. Bearing housing; 35. Drive reducer; 36. Stepper motor; 37. Support plate; 38. Support base; 39. Guide optical shaft. Detailed Implementation

[0023] Example 1: like Figures 1 to 12 The arc forming machine shown includes: The box base 1 includes side columns 2 of the box structure, a frame beam 3 fixed in the middle of the top surface of the side columns 2, and a platform 4 fixed between the two side columns 2; the box base 1 mainly bears and supports the weight of the entire product to ensure the stability of equipment operation. The bending plate support group 5 is fixed to the top surface of the base 4; The outer arc transmission assembly 6 consists of two sets, each fixed to the front side of the side column 2. The outer arc forming assembly 7 includes a rotating support arm 8, which is fixed to the output end of the outer arc transmission assembly 6. A connecting beam 9 is fixed to the top surface of the rotating support arm 8, and multiple first cylinders 10 are fixed to the top of the connecting beam 9. A heating plate 11 is fixed to the bottom of the first cylinder 10 through a cylinder mounting seat. The overall frame of the outer arc forming assembly 7 is constructed of welded carbon steel and high-strength aluminum alloy. Nine SC40x450 cylinders provide sufficient power for the up-and-down movement of the heating plate 11 (heating aluminum plate) to ensure work efficiency. The 4KW heating plate 11 provides sufficient heat for bending the plate, ensuring the best effect of bending the plate into an arc. The curved plate pressure beam assembly 12 includes multiple second cylinders 13 fixed to the top of the frame beam 3. The bottom of the second cylinders 13 is fixed to the curved plate pressure beam 14, and a rubber pad is fixed to the bottom of the curved plate pressure beam 14. The overall frame of the curved plate pressure beam assembly 12 is constructed of carbon steel bolted together. It is installed on the frame beam 3 of the box base 1, and its up and down movement is controlled by 7 SC63x450 cylinders to ensure smooth and unobstructed operation. The rubber pad is pasted under the curved plate pressure beam 14 to ensure strong pressure to press the plate tightly, prevent the plate from slipping, and effectively protect the surface of the plate from scratches. The inner arc surface mold is fixed to the rear side of the base 4, and its top surface is flush with the bending plate support group 5. Inner arc transmission assembly 15, which is fixed to the rear side of the outside of the side column 2; The inner arc forming assembly 16 includes a crossbeam 17, both ends of which are fixed to the lifting end of the inner arc transmission assembly 15. Multiple third cylinders 18 are fixed on the crossbeam 17, and the bottom of each third cylinder 18 is fixed to a heating tube 19. The overall frame of the inner arc forming assembly 16 is constructed from carbon steel and high-strength aluminum alloy bolts. Seven SDA40x25 cylinders provide sufficient power for the up-and-down movement of the heating tube 19 (heating aluminum tube), ensuring work efficiency. The 4.5KW heating tube 19 provides sufficient heat for bending the sheet metal, ensuring the best effect of the curved plate. The overall up-and-down movement of the inner arc forming assembly 16 is driven by a stepper motor, ensuring the accuracy and stability of the pressure beam position. The control panel 20 for overall machine control is fixed to the top of the side column 2 via a cantilever 21. The entire control panel 20 is connected by the cantilever 21, which can achieve rotation at different angles, making the operation of the equipment more intuitive and efficient.

[0024] During the outer arc processing, the first cylinder 10 of the outer arc forming group 7 drives the heating plate 11 to press against the outer surface of the sheet metal. Then, the outer arc transmission group 6 drives the rotating support arm 8 to rotate, driving the heating plate 11 to perform arc motion, thereby driving the sheet metal to complete the arc motion synchronously. During the motion, the heating plate 11 is always heated. Since the heating plate 11 completes the arc motion on the surface of the sheet metal, compared with heating and stamping, the outer arc of the sheet metal can be made smoother. During the inner arc processing, the inner arc transmission group 15 sends the inner arc forming group 16 to the processing position, so that the heating tube 19 is pressed against the top surface of the plate to heat the plate. Then, the third cylinder 18 of the inner arc forming group 16 drives the heating tube 19 to press down. Since the bottom surface of the plate is limited by the inner arc mold, the plate is completely attached to the inner arc mold, and the bottom surface of the plate forms an inner arc surface that is consistent with the surface of the inner arc mold.

[0025] The inner arc transmission assembly 15 includes a mounting plate 22 fixed to the inner side of the side column 2. A rack 23 and a linear guide rail 24 are fixed on the mounting plate 22, and a slider 25 is slidably mounted on the linear guide rail 24. End plates 26 are fixed at both ends of the span beam 17, and the end plates 26 are fixed to the slider 25. A T-shaped lifting reducer 27 is fixed in the middle of the span beam 17, and a lifting motor 28 is provided at the input end of the lifting reducer 27. The two output ends of the lifting reducer 27 are connected to a transmission optical shaft 29 through a coupling. The other end of the transmission optical shaft 29 is rotatably mounted to the end plate 26 through a bearing. The transmission optical shaft 29 is fixed to the outside of the end plate 26 and is connected to the rack 23. The drive gear 30 engages with the inner arc transmission group 15. The linear guide rail 24 and slider body 25 of the inner arc transmission group 15 are guided by the HGW25CC linear slider module. Through the cooperation of the drive gear 30 and the rack 23, the inner arc forming group 16 is driven to move up and down. This provides a reliable guarantee for the inner arc forming of the sheet metal. During operation, the lifting motor 28 drives the lifting reducer 27 to rotate. The lifting reducer 27 drives two transmission shafts 29 to rotate through the coupling. The transmission shafts 29 drive the drive gear 30 to rotate synchronously. The gear and rack 23 cooperate to realize the up and down movement of the inner arc forming group 16. Through the cooperation of the linear guide rail 24 and the slider body 25, the linear guidance of the up and down movement is completed.

[0026] The outer arc transmission assembly 6 includes an outer arc reducer 31. A small gear 32 is fixed at the output end of the outer arc reducer 31. A large gear 33 is meshed with the small gear 32. The large gear 33 is rotatably mounted inside the side column 2. The center of the large gear 33 is fixed to the rotating support arm 8. The input end of the outer arc reducer 31 is connected to the drive reducer 35 via a coupling. A stepper motor 36 is connected to the input end of the drive reducer 35. The outer arc transmission assembly 6 is powered by the stepper motor 36, which drives the small gear 32 to rotate via the drive reducer 35. The small gear 32 drives the large gear 33 to rotate, and the large gear 33 drives the outer arc forming assembly 7 to achieve circular motion. The start and stop at different angles are achieved by using photoelectric switches and limit switches.

[0027] The bending plate support assembly 5 includes a support plate 37; multiple sets of support seats 38 are fixed to the bottom surface of the support plate 37, a guide optical shaft 39 is fixed on the support seat 38, a bearing seat 40 is slidably arranged on the guide optical shaft 39, and the bearing seat 40 is fixed to the top surface of the platform 4; a rubber pad is fixed to the top surface of the support plate 37; the overall frame of the bending plate support assembly 5 is constructed of carbon steel bolts, and is connected to the box base 1 by 7 extended linear bearing seats 40, with an Ø25 optical shaft in the middle as support to ensure the stability of the front and back movement of the platform. A rubber pad is pasted on the top of the platform to prevent the plate from slipping and to effectively protect the surface of the plate from scratches; in use, the plate is placed on the rubber pad, and the plate is pushed to the forming processing position by the cooperation of the guide optical shaft 39 and the bearing seat 34. Then, the plate position is locked by the bending plate pressure beam 14 sets 12, waiting for the plate to be processed into an arc.

[0028] The above embodiments are merely preferred embodiments of the present utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the claims of the present utility model are included within the scope of the present utility model.

Claims

1. A circular arc forming machine, characterized in that: include: The box base includes side columns of the box structure, a frame beam is fixed to the middle of the top surface of the side columns, and a platform is fixed between the two side columns; A curved plate support assembly, wherein the curved plate support assembly is fixed to the top surface of the pedestal; The outer arc transmission assembly consists of two sets, each fixed to the front side of the side column. An outer arc forming assembly includes a rotating support arm, which is fixed to the output end of an outer arc transmission assembly; a connecting beam is fixed to the top surface of the rotating support arm, and multiple first cylinders are fixed to the top of the connecting beam; a heating plate is fixed to the bottom of each first cylinder via a cylinder mounting seat. A curved plate pressure beam assembly, comprising multiple second cylinders fixed to the top of a frame beam, the bottom of each second cylinder being fixed to the curved plate pressure beam, and a rubber pad being fixed to the bottom of the curved plate pressure beam; An inner arc surface mold, wherein the inner arc surface mold is fixed to the rear side of the base and the top surface is flush with the bending plate support assembly; An inner arc transmission assembly is fixed to the rear side of the outer side column. An inner arc forming assembly includes a crossbeam, both ends of which are fixed to the lifting end of an inner arc transmission assembly; multiple third cylinders are fixed on the crossbeam, and the bottom of each third cylinder is fixed to a heating tube. The control panel for overall machine control is fixed to the top of the side column via a cantilever.

2. The arc forming machine according to claim 1, characterized in that: The inner arc transmission assembly includes a mounting plate fixed to the inner side of the side column. A rack and a linear guide rail are fixed on the mounting plate, and a slider is slidably mounted on the linear guide rail. End plates are fixed at both ends of the span beam, and the end plates are fixed to the slider. A T-shaped lifting reducer is fixed in the middle of the span beam, and a lifting motor is provided at the input end of the lifting reducer. The two output ends of the lifting reducer are connected to a transmission optical shaft through a coupling. The other end of the transmission optical shaft is rotatably mounted to the end plate through a bearing. A drive gear that meshes with the rack is fixed outside the end plate to the transmission optical shaft.

3. The arc forming machine according to claim 1, characterized in that: The outer circular arc transmission assembly includes an outer circular arc reducer. A small gear is fixed at the output end of the outer circular arc reducer. A large gear is meshed with the small gear and is rotatably mounted inside the side column. The center of the large gear is fixed to the rotating support arm. The input end of the outer circular arc reducer is connected to the drive reducer via a coupling. A stepper motor is connected to the input end of the drive reducer.

4. The arc forming machine according to claim 1, characterized in that: The bending plate support assembly includes a support plate; multiple support seats are fixed to the bottom surface of the support plate, a guide optical shaft is fixed to the support seat, a bearing seat is slidably arranged on the guide optical shaft, and the bearing seat is fixed to the top surface of the base; a rubber pad is fixed to the top surface of the support plate.

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