Refrigerator shell top arc U corner forming machine

Abstract

The utility model discloses a refrigerator shell top arc U angle forming machine which comprises a bottom plate, a platform is fixedly arranged on the top of the bottom plate, a placing plate used for supporting a refrigerator shell is fixedly arranged on the edge of the top of the middle of the platform, a bending die is arranged above the placing plate, and the bending die tightly presses the refrigerator shell through a downward pressing assembly. The bending head rotates around the bending mold through the rotary bending assembly, a driving transmission assembly for driving the rotary bending assembly to rotate is arranged on the bottom plate, and an auxiliary supporting assembly synchronously moving along with the rotary bending assembly is arranged on the outer side of the bending mold. The refrigerator shell is conveyed to the placing plate, the bending die is downwards bent to fix the shell, the rotary bending assembly is matched with the driving transmission assembly to bend the shell, meanwhile, the auxiliary supporting plate which is driven by the servo electric cylinder and ensures that the auxiliary supporting plate synchronously moves supports the rest part of the shell, and therefore the refrigerator shell can be bent only at the part needing to be bent. And the other parts are not bent and deformed, so that the processing efficiency and quality are ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of refrigerator shell processing, and in particular relates to a circular arc U-angle forming machine for the top of a refrigerator shell. Background Art

[0002] A refrigerator is a common refrigeration device that maintains a constant low temperature, and can keep food or other items in a constant low temperature cold state; the existing refrigerator shell is a metal sheet, which needs to be bent into an arc U angle during processing. The current processing method is to perform the bending process manually. Since the entire refrigerator shell is large and thin, and there is no auxiliary support rod of sufficient length for support, during the bending process, in addition to the bending position, other parts of the refrigerator shell may also be deformed, affecting the quality of the bending process of the refrigerator shell. For this reason, the utility model proposes an arc U angle forming machine for the top of the refrigerator shell. Utility Model Content

[0003] The utility model aims to provide a U-angle arc forming machine for the top of a refrigerator shell to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a refrigerator shell top arc U-angle forming machine, comprising a bottom plate, a platform is fixedly provided on the top of the bottom plate, a placement plate for supporting the refrigerator shell is fixedly provided on the middle top edge of the platform, a bending mold is provided above the placement plate, the bending mold presses the ice shell through a pressing assembly, a bending head is provided below the bending mold, the bending head rotates around the bending mold through a rotating bending assembly, a driving transmission assembly for driving the rotating bending assembly to rotate is provided on the bottom plate, and an auxiliary lifting assembly that moves synchronously with the rotating bending assembly is provided on the outer side of the bending mold.

[0005] Preferably, the rotating bending assembly includes a rotating plate B, rotating arms B are fixedly provided at both ends of the rotating plate B, an axle rod is fixedly provided at the top of each rotating arm B, the other end of the axle rod is rotatably connected to an upper bearing seat, the upper bearing seat is fixedly mounted on the top of the platform, a lifting plate is vertically movably provided on the rotating plate B via a pair of guide rods, the bending head is rotatably provided on the top of the lifting plate via the bearing seat, a pair of lifting cylinders for driving the lifting and lowering adjustment of the lifting plate are fixedly provided at the bottom of the rotating plate B, and the telescopic ends of the lifting cylinders are fixedly connected to the bottom of the lifting plate.

[0006] Preferably, the drive transmission assembly includes a transmission shaft, which is rotatably mounted on the base plate through a plurality of lower bearing seats, a servo motor for driving the transmission shaft to rotate is provided at one end of the transmission shaft, a pair of driving gears are fixedly provided on the transmission shaft, the other end of the shaft extends and a driven gear is fixedly provided, racks are movably provided vertically through both ends of the platform, and the driven gear and the driving gear located on the same side are connected through a rack transmission.

[0007] Preferably, the pressing assembly includes a mounting beam and a support frame fixedly mounted on the top of the platform, the mounting beam being slidably connected to the support frame via a slide rail group, a pressing cylinder for driving the mounting beam to be lifted and lowered is fixedly arranged on the top of the support frame, the telescopic end of the pressing cylinder is fixedly connected to the mounting beam, and the bending mold is fixedly mounted on the bottom of the mounting beam.

[0008] Preferably, the auxiliary lifting assembly includes a mounting seat, an auxiliary support plate and a rotating plate A. A pair of mounting seats are provided, and the pair of mounting seats are located on both sides of the placement plate, and the mounting seats are fixedly connected to the platform. Rotating arms A are fixedly provided at both ends of the rotating plate A, and the other end of the rotating arm A is rotatably connected to the mounting seat on the corresponding side through an axis. One end of the auxiliary support plate is fixedly installed on the rotating plate A, and a connecting seat A is fixedly provided at the bottom of the auxiliary support plate. A servo electric cylinder is provided between the auxiliary support plate and the rotating plate B, and one end of the servo electric cylinder is rotatably connected to the rotating plate B, and the telescopic end of the servo electric cylinder is rotatably connected to the connecting seat A through an axis.

[0009] Preferably, a gear reduction box is also provided at the output end of the servo motor.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model designs an automatic arc U-angle forming machine for the top of a refrigerator shell with a synchronously moving auxiliary support plate; the refrigerator shell is transported to a placement plate, the shell is fixed by pressing down the bending mold, the rotating bending assembly cooperates with the driving transmission assembly to bend the shell, and at the same time, it is driven by the servo electric cylinder to ensure that the synchronously moving auxiliary support plate supports the rest of the shell, so that the refrigerator shell is bent only at the position that needs to be bent, and the rest of the shell does not bend or deform, thereby ensuring the processing efficiency and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0012] Figure 2 This is a front view structural schematic diagram of the utility model;

[0013] Figure 3 It is a partial three-dimensional structural schematic diagram of the utility model;

[0014] In the figure: 1. bottom plate; 2. platform; 3. support frame; 4. mounting beam; 5. bending mold; 6. mounting seat; 7. driven gear; 8. rack; 9. rotating arm A; 10. rotating plate A; 11. auxiliary support plate; 12. connecting seat A; 13. servo electric cylinder; 14. lower bearing seat; 15. transmission shaft; 16. servo motor; 17. slide rail group; 18. lifting cylinder; 19. rotating plate B; 20. guide rod; 21. bending head; 22. rotating arm B; 23. driving gear; 24. upper bearing seat; 25. lifting plate; 26. placement plate; 27. pressing cylinder. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] See also Figures 1 to 3, a technical solution is provided: a refrigerator shell top arc U-angle forming machine, comprising a bottom plate 1, a platform 2 is fixedly arranged on the top of the bottom plate 1, a placement plate 26 for supporting the refrigerator shell is fixedly arranged on the middle top edge of the platform 2, a bending mold 5 is arranged above the placement plate 26, the bending mold 5 presses the ice shell through a pressing component, a bending head 21 is arranged below the bending mold 5, the bending head 21 rotates around the bending mold 5 through a rotating bending component, a driving transmission component for driving the rotating bending component to rotate is arranged on the bottom plate 1, and an auxiliary holding component that moves synchronously with the rotating bending component is arranged on the outer side of the bending mold 5 to hold up the excess part of the refrigerator shell and avoid deformation of the excess part of the refrigerator shell during the bending process. In this embodiment, preferably, the rotating bending assembly includes a rotating plate B19, rotating arms B22 are fixedly provided at both ends of the rotating plate B19, and an axle rod is fixedly provided at the top of the rotating arm B22, and the other end of the axle rod is rotatably connected to the upper bearing seat 24, and the upper bearing seat 24 is fixedly installed on the top of the platform 2, so that the rotating plate B19 can rotate, thereby driving the bending head 21 to rotate around the bending mold 5, and a lifting plate 25 is vertically movably provided on the rotating plate B19 through a pair of guide rods 20, and the bending head 21 is rotatably set on the top of the lifting plate 25 through the bearing seat, and a pair of lifting cylinders 18 for driving the lifting plate 25 to lift and adjust are fixedly provided at the bottom of the rotating plate B19, and the telescopic end of the lifting cylinder 18 is fixedly connected to the bottom of the lifting plate 25, and the position of the bending head 21 on the lifting plate 25 is adjusted by the lifting cylinder 18, so that the gap between the bending head 21 and the bending mold 5 is adjustable, ensuring that refrigerator shells of different thicknesses can be bent. In this embodiment, preferably, the driving transmission assembly includes a transmission shaft 15, which is rotatably mounted on the base plate 1 through a plurality of lower bearing seats 14 to ensure that the transmission shaft 15 can rotate freely. A servo motor 16 for driving the transmission shaft 15 to rotate is provided at one end of the transmission shaft 15, and the transmission shaft 15 is driven to rotate by the servo motor 16. A pair of driving gears 23 are fixedly provided on the transmission shaft 15, and the other end of the shaft extends and is fixedly provided with a driven gear 7. Racks 8 are movably provided vertically through both ends of the platform 2, and the driven gear 7 and the driving gear 23 on the same side are connected through the rack 8, and the gear meshing transmission provides power for the rotation of the rotating plate B19. In this embodiment, preferably, the pressing assembly includes an installation beam 4 and a support frame 3 fixedly installed on the top of the platform 2. The installation beam 4 is slidably connected to the support frame 3 through a slide rail group 17. A pressing cylinder 27 for driving the installation beam 4 to rise and fall is fixedly arranged on the top of the support frame 3. The telescopic end of the pressing cylinder 27 is fixedly connected to the installation beam 4. The bending mold 5 is fixedly installed at the bottom of the installation beam 4, which can drive the bending mold 5 to be flexibly raised and lowered to complete the pressing and tightening of the refrigerator shell, and lift it after bending, so as to facilitate the removal of the bent refrigerator shell.In this embodiment, preferably, the auxiliary support assembly includes a mounting seat 6, an auxiliary support plate 11 and a rotating plate A10, a pair of mounting seats 6 are provided, and the pair of mounting seats 6 are located on both sides of the placement plate 26, and the mounting seats 6 are fixedly connected to the platform 2, and the two ends of the rotating plate A10 are respectively fixedly provided with rotating arms A9, and the other end of the rotating arm A9 is rotatably connected to the mounting seat 6 on the corresponding side through an axis, one end of the auxiliary support plate 11 is fixedly installed on the rotating plate A10, and a connecting seat A12 is fixedly provided at the bottom of the auxiliary support plate 11, and a servo electric cylinder 13 is provided between the auxiliary support plate 11 and the rotating plate B19, and one end of the servo electric cylinder 13 is rotatably connected to the rotating plate B19, and the telescopic end of the servo electric cylinder 13 is rotatably connected to the connecting seat A12 through an axis, and the servo electric cylinder 13 starts to telescope and adjust the angle of the auxiliary support plate 11, so that the auxiliary support plate 11 and the refrigerator shell always have the function of fitting and supporting. In this embodiment, preferably, a gear reduction box is also provided at the output end of the servo motor 16 in order to adjust the appropriate speed of the transmission shaft 15.

[0017] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A refrigerator housing top arc U-angle forming machine, comprising a bottom plate (1), characterized in that: A platform (2) is fixedly arranged on the top of the bottom plate (1); a placement plate (26) for supporting the outer shell of the refrigerator is fixedly arranged on the middle top edge of the platform (2); a bending mold (5) is arranged above the placement plate (26); the bending mold (5) presses the outer shell of the refrigerator through a pressing component; a bending head (21) is arranged below the bending mold (5); the bending head (21) rotates around the bending mold (5) through a rotating bending component; a driving transmission component for driving the rotating bending component to rotate is arranged on the bottom plate (1); and an auxiliary lifting component that moves synchronously with the rotating bending component is arranged on the outer side of the bending mold (5).

2. The U-angle arc forming machine for the top of a refrigerator shell according to claim 1, characterized in that: The rotary bending assembly comprises a rotary plate B (19), rotary arms B (22) are fixedly provided at both ends of the rotary plate B (19), a shaft rod is fixedly provided at the top of each rotary arm B (22), the other end of the shaft rod is rotatably connected to an upper bearing seat (24), the upper bearing seat (24) is fixedly mounted on the top of the platform (2), a lifting plate (25) is vertically movablely provided on the rotary plate B (19) via a pair of guide rods (20), the bending head (21) is rotatably provided on the top of the lifting plate (25) via the bearing seat, a pair of lifting cylinders (18) for driving the lifting plate (25) to lift and lower are fixedly provided at the bottom of the rotary plate B (19), the telescopic ends of the lifting cylinders (18) are fixedly connected to the bottom of the lifting plate (25).

3. The arc U-angle forming machine for the top of a refrigerator shell according to claim 2, characterized in that: The drive transmission assembly comprises a transmission shaft (15), wherein the transmission shaft (15) is rotatably mounted on the base plate (1) via a plurality of lower bearing seats (14), a servo motor (16) for driving the transmission shaft (15) to rotate is disposed at one end of the transmission shaft (15), a pair of driving gears (23) are fixedly disposed on the transmission shaft (15), the other end of the shaft extends and is fixedly disposed with a driven gear (7), racks (8) are movably disposed vertically through both ends of the platform (2), and the driven gear (7) and the driving gear (23) located on the same side are transmission-connected via the racks (8).

4. The refrigerator shell top arc U-angle forming machine according to claim 1, characterized in that: The pressing assembly comprises a mounting crossbeam (4) and a support frame (3) fixedly mounted on the top of the platform (2); the mounting crossbeam (4) is slidably connected to the support frame (3) via a slide rail assembly (17); a pressing cylinder (27) for driving the mounting crossbeam (4) to rise and fall is fixedly arranged at the top of the support frame (3); the telescopic end of the pressing cylinder (27) is fixedly connected to the mounting crossbeam (4); and the bending die (5) is fixedly mounted at the bottom of the mounting crossbeam (4).

5. The arc U-angle forming machine for the top of a refrigerator shell according to claim 2, characterized in that: The auxiliary supporting assembly comprises a mounting seat (6), an auxiliary support plate (11) and a rotating plate A (10). A pair of mounting seats (6) are provided, and the pair of mounting seats (6) are located on both sides of the placement plate (26), and the mounting seats (6) are fixedly connected to the platform (2). Rotating arms A (9) are fixedly provided at both ends of the rotating plate A (10), and the other end of the rotating arm A (9) is rotationally connected to the mounting seat (6) on the corresponding side through an axis. One end of the auxiliary support plate (11) is fixedly installed on the rotating plate A (10), and a connecting seat A (12) is fixedly provided at the bottom of the auxiliary support plate (11). A servo electric cylinder (13) is provided between the auxiliary support plate (11) and the rotating plate B (19), and one end of the servo electric cylinder (13) is rotationally connected to the rotating plate B (19), and the telescopic end of the servo electric cylinder (13) is rotationally connected to the connecting seat A (12) through a shaft.

6. The arc U-angle forming machine for the top of a refrigerator shell according to claim 3, characterized in that: The output end of the servo motor (16) is also provided with a gear reduction box.

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