Bending device for aluminum veneer production

Abstract

The utility model relates to a bending device for aluminum veneer production, which belongs to the technical field of aluminum veneer production and comprises a bending machine, a lower die, an upper die and a hydraulic unit, a support structure and an aluminum veneer are arranged on the bending machine, and the support structure comprises a mounting frame. According to the bending device for aluminum veneer production, the supporting structure is arranged, the warping problem generated when a long plate is bent is effectively solved through dynamic angle adjustment and elastic supporting, the machining quality of precise parts such as curtain wall plates and decorative plates is greatly improved, the die changing time is shortened through the width self-adaptive adjustment function, and the production efficiency is improved. Single equipment can cover the size range of conventional aluminum veneers, the production efficiency is further improved, meanwhile, surface scratching caused by rigid contact is avoided through rubber roller supporting, elastic counter-acting force generated by springs is transmitted to a bracket through a connecting plate, flexible supporting is formed, impact force in the bending process is effectively buffered, surface damage of the veneers is prevented, and the service life of the veneers is prolonged. And the method is particularly suitable for processing pre-coated plates.

Description

Technical Field

[0001] This utility model relates to the field of aluminum single-panel production technology, specifically a bending device for aluminum single-panel production. Background Technology

[0002] The production process of aluminum single-panel panels includes cutting, folding, bending, welding, and grinding. These processes shape and size the aluminum single-panel panels for construction. Paint is then applied to the finished sheet metal. The panels are mainly used in building exteriors, interior decoration, public facilities, and advertising signs. In the folding process, a bending device applies pressure to plastically deform the aluminum single-panel panel, bending it into a specific angle or shape. The bending device is typically hydraulically driven, offering stable pressure, adjustable stroke, and high precision. The entire bending device consists of a bending machine, upper and lower dies, a hydraulic system, and a control unit. During the bending process, the aluminum single-panel panel is placed on a worktable and positioned. The upper die descends with the slider, pressing the panel into the V-groove of the lower die, causing plastic deformation and forming the preset angle.

[0003] Chinese invention announcement number CN104190759A discloses a bending machine. However, in the actual bending process of aluminum single-panel production, when some long aluminum plates are bent, the two ends of the aluminum plate will curl upwards after being stressed at the bending point. During the curling process, the aluminum plate will be subjected to its own weight, and its edges will drop downwards, causing deformation of the aluminum plate and resulting in deviation of the bending angle. This leads to a reduction in the quality of the bent aluminum plate. Therefore, a bending device for aluminum single-panel production is proposed to solve the above problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a bending device for aluminum single-panel production. It has the advantage of assisting in supporting the aluminum single-panel during the bending process, and solves the problem that when bending some long aluminum plates, the two ends of the aluminum plate will curl upwards after being stressed. During the curling process, the aluminum plate will be subjected to its own weight, and its edges will drop downwards, causing deformation of the aluminum plate and deviation in the bending angle, which in turn reduces the quality of the bent aluminum plate.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a bending device for aluminum single-panel production, comprising a bending machine, a lower die, an upper die, and a hydraulic unit, characterized in that: the bending machine is provided with a support structure and an aluminum single-panel;

[0006] The support structure includes a mounting frame, a double-plate bracket, a rack, a mounting frame, a connecting plate, two brackets, an elastic component, and an electric push rod. The mounting frame is fixedly mounted on the bending machine. The double-plate bracket is rotatably mounted inside the mounting frame. The rack is slidably mounted inside the mounting frame and adapted to the double-plate bracket. The mounting frame is fixedly mounted on the double-plate bracket. The connecting plate is mounted on the mounting frame. Both brackets are slidably mounted on the connecting plate. The elastic component is fixedly mounted on both sides of the inner cavity of the mounting frame and connected to the connecting plate. The electric push rod is fixedly mounted inside the mounting frame, and the telescopic end of the electric push rod is fixedly connected to the rack.

[0007] Furthermore, a control rod is rotatably mounted on the mounting bracket, and two threaded connectors are threadedly mounted on the control rod. Guide frames are slidably mounted on the outer surfaces of the two threaded connectors, and one end of each guide frame passes through the connecting plate and is fixedly connected to the bottom of the two brackets.

[0008] Furthermore, each of the elastic components includes a rectangular frame, a connecting rod, and a telescopic spring. The connecting rod is fixedly installed inside the rectangular frame. One end of the connecting plate extends through the rectangular frame and is slidably connected to the outer surface of the connecting rod. The telescopic spring is sleeved on the outer surface of the connecting rod and is connected to the bottom of the connecting plate.

[0009] Furthermore, the bracket includes a support frame and a rubber roller, the rubber roller being rotatably mounted inside the support frame, and the support frame being fixedly connected to one end of the guide frame.

[0010] Furthermore, the control lever includes a threaded rod and a control knob. The threaded rod is rotatably mounted inside the mounting bracket and one end extends through and to the outside of the bracket. The control knob is fixedly connected to one end of the threaded rod. Both threaded connectors are threadedly mounted on the outer surface of the threaded rod. The outer surface of the threaded rod has two symmetrically distributed threads.

[0011] Furthermore, the rotation angle of the double-plate bracket is adapted to the bending angle of the aluminum single plate. The double-plate bracket is an integrated structure composed of a connecting cylinder and a U-shaped plate. The outer surface of the connecting cylinder is provided with a toothed groove that meshes with the rack.

[0012] Furthermore, the lower die is fixedly installed on the bending machine, the hydraulic unit is installed on the bending machine, the hydraulic unit is connected to the upper die, and the aluminum panel is located between the lower die and the upper die.

[0013] Furthermore, another embodiment of the double-plate bracket includes an integrated structure consisting of a connecting cylinder and a plate frame. A guide frame is fixedly installed on the plate frame, and a threaded rod is rotatably installed on the guide frame. The two threads on the outer surface of the threaded rod are symmetrically distributed, and two H-shaped connectors are threadedly installed on the threaded rod. The two H-shaped connectors are respectively fixedly connected to two mounting brackets.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] This bending device for aluminum single-panel production effectively solves the warping problem during bending of long panels through a support structure, dynamic angle adjustment, and elastic support. It significantly improves the processing quality of precision components such as curtain wall panels and decorative panels. The width adaptive adjustment function reduces mold change time, and a single unit can cover the standard aluminum single-panel size range, further improving production efficiency. At the same time, the rubber roller support avoids surface scratches caused by rigid contact, and the elastic reaction force generated by the spring is transmitted to the bracket through the connecting plate to form a flexible support, effectively buffering the impact force during bending and preventing damage to the panel surface. It is particularly suitable for processing pre-coated panels. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is an exploded view of the structural support structure, lower mold, and aluminum single panel of this utility model;

[0018] Figure 3 This is an enlarged view of the double-plate bracket and mounting frame of this utility model.

[0019] Figure 4 This is an enlarged view of the structural mounting frame, bracket, and connecting plate of this utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the present utility model. Figure 4 Enlarged view of point A in the image;

[0021] Figure 6 This is an exploded view of the structural connecting plate and bracket of this utility model;

[0022] Figure 7 This is a schematic diagram of the structure of this utility model. Figure 6 A cross-sectional view of the elastic component at point B in the diagram;

[0023] Figure 8 This is a schematic diagram of another embodiment of the double-plate bracket structure of this utility model;

[0024] Figure 9 This is a perspective view of the structural guide frame and mounting bracket of this utility model.

[0025] In the diagram: 1. Bending machine; 2. Lower die; 3. Upper die; 4. Hydraulic unit; 5. Aluminum single panel; 6. Support structure; 61. Mounting frame; 62. Double plate bracket; 63. Rack; 64. Mounting bracket; 65. Connecting plate; 651. Control rod; 652. Threaded connector; 653. Guide frame; 66. Bracket; 67. Elastic component; 671. Rectangular frame; 672. Connecting rod; 673. Telescopic spring; 68. Electric push rod; 691. Guide frame; 692. Threaded rod; 693. H-type connector. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Example 1: Please refer to Figure 1-9 This embodiment of a bending device for aluminum single-panel production includes a bending machine 1, a lower die 2, an upper die 3, and a hydraulic unit 4. The bending machine 1 is provided with a support structure 6 and an aluminum single-panel 5. The lower die 2 is fixedly installed on the bending machine 1. The hydraulic unit 4 is installed on the bending machine 1 and connected to the upper die 3. The aluminum single-panel 5 is located between the lower die 2 and the upper die 3.

[0028] Example 2: Please refer to Figure 1-9 Based on Embodiment 1, the support structure 6 includes a mounting frame 61, a double-plate bracket 62, a rack 63, a mounting frame 64, a connecting plate 65, two brackets 66, an elastic component 67, and an electric push rod 68. The mounting frame 61 is fixedly mounted on the bending machine 1. The double-plate bracket 62 is rotatably mounted inside the mounting frame 61. The rack 63 is slidably mounted inside the mounting frame 61 and is adapted to the double-plate bracket 62. The mounting frame 64 is fixedly mounted on the double-plate bracket 62. The connecting plate 65 is mounted on the mounting frame 64. Both brackets 66 are slidably mounted on the connecting plate 65. The elastic component 67 is fixedly mounted on both sides of the inner cavity of the mounting frame 64 and connected to the connecting plate 65. The electric push rod 68 is fixedly mounted inside the mounting frame 61, and the telescopic end of the electric push rod 68 is fixedly connected to the rack 63.

[0029] Each of the elastic components 67 includes a rectangular frame 671, a connecting rod 672, and a telescopic spring 673. The connecting rod 672 is fixedly installed inside the rectangular frame 671. One end of the connecting plate 65 extends through the rectangular frame 671 and is slidably connected to the outer surface of the connecting rod 672. The telescopic spring 673 is sleeved on the outer surface of the connecting rod 672 and is connected to the bottom of the connecting plate 65. The weight of the sheet metal causes the connecting plate 65 to slide down along the connecting rod 672 inside the rectangular frame 671, compressing the telescopic spring 673. The elastic reaction force generated by the spring is transmitted to the bracket 66 through the connecting plate 65, forming a flexible support, effectively buffering the impact force during bending and preventing damage to the surface of the sheet metal.

[0030] In addition, the rotation angle of the double plate bracket 62 is adapted to the bending angle of the aluminum single plate 5. The double plate bracket 62 is an integrated structure composed of a connecting cylinder and a U-shaped plate. The outer surface of the connecting cylinder is provided with a toothed groove that meshes with the rack 63, so as to use the double plate bracket 62 to drive the bracket 66 to rotate and use the bracket 66 to support the aluminum single plate 5.

[0031] It should be noted that there are no fewer than two mounting brackets 64 on the double-plate bracket 62, which facilitates providing more stable support or supporting aluminum single-plates 5 of different lengths, and avoids deformation of the support part due to single-point support.

[0032] Finally, another embodiment of the double-plate bracket 62 includes an integrated structure consisting of a connecting cylinder and a plate frame. A guide frame 691 is fixedly installed on the plate frame, and a threaded rod is rotatably installed on the guide frame 691. The two threads on the outer surface of the threaded rod are symmetrically distributed, and two H-shaped connectors are threadedly installed on the threaded rod. The two H-shaped connectors are fixedly connected to two mounting brackets 64 respectively. By rotating the threaded rod, the two H-shaped connectors are controlled to drive the two mounting brackets 64 to move, thereby controlling the distance between the two mounting brackets 64, which facilitates the support of aluminum single panels 5 of different lengths.

[0033] Using the above technical solution, the hydraulic unit 4 is activated and the upper mold 3 is controlled to move downward. At this time, the upper mold 3 presses the aluminum single panel 5 into the groove of the lower mold 2, causing the panel to undergo plastic deformation. Simultaneously, the electric push rod 68 drives the rack 63 to slide linearly within the mounting frame 61. The rack 63 engages with the connecting cylinder of the double panel bracket 62 through the tooth groove, forcing the double panel bracket 62 to rotate around its rotation axis. This rotation angle is precisely matched with the preset bending angle of the aluminum single panel 5, ensuring that the support surface of the bracket 66 is consistent with the deformation trajectory of the panel. Thus, the bracket 66 supports the longer end of the aluminum single panel 5, preventing the longer end from deforming due to gravity.

[0034] Example 3: Please refer to Figure 1-9Based on Embodiment 2, a control rod 651 is rotatably mounted on the mounting bracket 64. Two threaded connectors 652 are threadedly mounted on the control rod 651. Guide frames 653 are slidably mounted on the outer surfaces of the two threaded connectors 652. One end of each guide frame 653 passes through the connecting plate 65 and is fixedly connected to the bottom of the two brackets 66.

[0035] The bracket 66 includes a support frame and a rubber roller. The rubber roller is rotatably installed inside the support frame. The support frame is fixedly connected to one end of the guide frame 653. The rubber roller supports the aluminum single panel 5, so that the friction between the aluminum single panel 5 and the rubber roller during the bending process drives the rubber roller to rotate, thus avoiding damage to the outer surface of the aluminum single panel 5.

[0036] In addition, the control lever 651 includes a threaded rod and a control knob. The threaded rod is rotatably installed inside the mounting bracket 64, with one end passing through and extending to the outside. The control knob is fixedly connected to one end of the threaded rod. Two threaded connectors 652 are threadedly installed on the outer surface of the threaded rod. The outer surface of the threaded rod has two symmetrically distributed threads. Rotating the knob of the control lever 651 causes the two symmetrical threads to drive the threaded connectors 652 to move towards or away from each other. Through the guide bracket 653, the bracket 66 slides synchronously, realizing the rapid adjustment of the support spacing.

[0037] Using the above technical solution, rotating the knob of the control lever 651 causes the two symmetrical threads of the threaded connector 652 to move in opposite directions or backwards. The guide frame 653 drives the bracket 66 to slide synchronously, realizing the rapid adjustment of the support spacing. This design can adapt to aluminum single panels 5 of different widths. Furthermore, the rubber roller supports the aluminum single panel 5, so that the friction between the aluminum single panel 5 and the rubber roller during the bending process drives the rubber roller to rotate, thus avoiding damage to the outer surface of the aluminum single panel 5.

[0038] The working principle of the above embodiments is as follows:

[0039] When using this bending device for aluminum single-panel production, the aluminum single-panel 5 is placed on top of the lower mold 2, the hydraulic unit 4 is activated and the upper mold 3 is controlled to move downward. At this time, the upper mold 3 presses the aluminum single-panel 5 into the groove of the lower mold 2, causing the plate to undergo plastic deformation.

[0040] At the same time, the electric push rod 68 drives the rack 63 to slide linearly within the mounting frame 61. The rack 63 engages with the connecting cylinder of the double plate bracket 62 through the tooth groove, forcing the double plate bracket 62 to rotate around its rotation axis. This rotation angle is precisely matched with the preset bending angle of the aluminum single plate 5, ensuring that the support surface of the bracket 66 is consistent with the deformation trajectory of the plate. Thus, the bracket 66 supports the longer end of the aluminum single plate 5, preventing the longer end from deforming due to gravity.

[0041] When the rubber roller on the bracket 66 supports the longer end of the aluminum single panel 5, the weight of the panel causes the connecting plate 65 to slide down along the connecting rod 672 inside the rectangular frame 671, compressing the telescopic spring 673. The elastic reaction force generated by the spring is transmitted to the bracket 66 through the connecting plate 65, forming a flexible support, effectively buffering the impact force during the bending process and preventing damage to the surface of the panel.

[0042] Rotating the knob of the control lever 651 causes the two symmetrical threads of the threaded connector 652 to move in opposite directions or away from each other. The guide frame 653 drives the bracket 66 to slide synchronously, realizing the rapid adjustment of the support spacing. This design can adapt to aluminum single panels 5 of different widths.

[0043] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0044] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bending device for aluminum single-panel production, comprising a bending machine (1), a lower die (2), an upper die (3), and a hydraulic unit (4), characterized in that: The bending machine (1) is equipped with a support structure (6) and an aluminum single plate (5); The support structure (6) includes a mounting frame (61), a double-plate bracket (62), a rack (63), a mounting bracket (64), a connecting plate (65), two brackets (66), an elastic component (67), and an electric push rod (68). The mounting frame (61) is fixedly mounted on the bending machine (1). The double-plate bracket (62) is rotatably mounted inside the mounting frame (61). The rack (63) is slidably mounted inside the mounting frame (61) and is adapted to the double-plate bracket (62). The mounting bracket (64) is fixedly mounted on the double plate bracket (62), the connecting plate (65) is mounted on the mounting bracket (64), the two brackets (66) are slidably mounted on the connecting plate (65), the elastic component (67) is fixedly mounted on the inner side walls of the mounting bracket (64) and connected to the connecting plate (65), the electric push rod (68) is fixedly mounted inside the mounting frame (61) and the telescopic end of the electric push rod (68) is fixedly connected to the rack (63).

2. The bending device for aluminum single-panel production according to claim 1, characterized in that: A control rod (651) is rotatably mounted on the mounting bracket (64). Two threaded connectors (652) are threadedly mounted on the control rod (651). Guide frames (653) are slidably mounted on the outer surfaces of the two threaded connectors (652). One end of each guide frame (653) passes through the connecting plate (65) and is fixedly connected to the bottom of the two brackets (66).

3. A bending device for aluminum single-panel production according to claim 1, characterized in that: Each elastic component (67) includes a rectangular frame (671), a connecting rod (672), and a telescopic spring (673). The connecting rod (672) is fixedly installed inside the rectangular frame (671). One end of the connecting plate (65) extends through the rectangular frame (671) and is slidably connected to the outer surface of the connecting rod (672). The telescopic spring (673) is sleeved on the outer surface of the connecting rod (672) and is located at the bottom of the connecting plate (65).

4. A bending device for aluminum single-panel production according to claim 2, characterized in that: The bracket (66) includes a support frame and a rubber roller, the rubber roller being rotatably mounted inside the support frame, and the support frame being fixedly connected to one end of the guide frame (653).

5. A bending device for aluminum single-panel production according to claim 2, characterized in that: The control lever (651) includes a threaded rod and a control knob. The threaded rod is rotatably mounted inside the mounting bracket (64) and one end extends through and out of it. The control knob is fixedly connected to one end of the threaded rod. Both threaded connectors (652) are threadedly mounted on the outer surface of the threaded rod. The outer surface of the threaded rod has two symmetrically distributed threads.

6. A bending device for aluminum single-panel production according to claim 1, characterized in that: The rotation angle of the double plate bracket (62) is adapted to the bending angle of the aluminum single plate (5). The double plate bracket (62) is an integral structure composed of a connecting cylinder and a U-shaped plate. The outer surface of the connecting cylinder is provided with a toothed groove that meshes with the rack (63).

7. A bending device for aluminum single-panel production according to claim 1, characterized in that: The lower die (2) is fixedly installed on the bending machine (1), the hydraulic unit (4) is installed on the bending machine (1), the hydraulic unit (4) is connected to the upper die (3), and the aluminum single plate (5) is located between the lower die (2) and the upper die (3).

8. A bending device for aluminum single-panel production according to claim 6, characterized in that: Another embodiment of the double plate bracket (62) includes an integral structure consisting of a connecting cylinder and a plate frame. A guide frame (691) is fixedly installed on the plate frame. A threaded rod is rotatably installed on the guide frame (691). The two threads on the outer surface of the threaded rod are symmetrically distributed. Two H-type connectors are threadedly installed on the threaded rod. The two H-type connectors are fixedly connected to two mounting brackets (64) respectively.

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