A circular arc forming mechanism for the end of refrigerator shell

Abstract

The utility model discloses an arc forming mechanism for the end portion of a refrigerator shell, comprising a base, a platform seat is fixedly arranged on the top of the base, the middle of the platform seat is concave to form a hidden groove connected to the outside, a placement plate for placing a workpiece is fixedly arranged on the top edge of the hidden groove, an arc template for pressing the workpiece is arranged above the placement plate, the arc template realizes lifting movement through a lifting and pressing down assembly, a swing plate is arranged in the hidden groove, a rolling rod is installed on the swing plate through a pair of guide rods for lifting and sliding, connecting plates are fixedly arranged on both ends of the swing plate, and the connecting plates are rotatably connected to a bearing seat B through a shaft. The utility model designs an arc forming mechanism for the end portion of a refrigerator shell that automatically performs bending and forming processing; it can automatically press the workpiece and automatically perform arc forming processing, is more efficient and safe, and has a more compact structure and more stable functional operation.

Description

Technical Field

[0001] The utility model belongs to the technical field of refrigerator shell processing, and in particular relates to an arc forming mechanism for the end of a refrigerator shell. Background Art

[0002] Generally, during the production and processing of refrigerator shells, there is a process for processing the arc of the shell. The existing shell arc processing method is generally processed manually or by semi-automatic equipment, resulting in low processing efficiency and potential safety hazards in manual operation. Therefore, the utility model proposes an arc forming mechanism for the end of the refrigerator shell. Utility Model Content

[0003] The utility model aims to provide an arc forming mechanism for the end of a refrigerator shell to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an arc forming mechanism for the end of a refrigerator shell, comprising a base, a platform seat is fixedly arranged on the top of the base, the middle of the platform seat is concave to form a hidden groove connected to the outside, a placement plate for placing workpieces is fixedly arranged on the top edge of the hidden groove, an arc template for pressing the workpiece is arranged above the placement plate, the arc template is lifted and lowered by a lifting and pressing assembly, a swing plate is arranged in the hidden groove, a rolling rod is lifted and slidably installed on the swing plate through a pair of guide rods, connecting plates are fixedly arranged at both ends of the swing plate, and the connecting plates are rotatably connected to the bearing seat B through an axis, The bearing seat B is fixedly installed on the platform seat, and a driven gear is extended and fixed on the other end of the shaft. A pair of linear racks that can be raised and lowered are symmetrically distributed on the inner sides of the two ends of the platform seat, and the upper ends of the linear racks are meshed with the driven gears on the corresponding side. A transmission shaft is rotatably installed on the base through the bearing seat A, and a servo motor is fixed at one end of the top of the base. The servo motor is connected to one end of the transmission shaft through a gear box. The driving gear on the transmission shaft corresponds to the bottom end of the pair of linear racks, and the driving gear is meshed with the lower end of the linear rack on the corresponding side. A pair of lifting cylinders are fixed on the swing plate, and the telescopic ends of the lifting cylinders are connected to the rolling rods.

[0005] Preferably, the lifting and pressing down assembly includes a mounting seat plate, a bracket seat, a slide rail module and a lifting cylinder. The bracket seat is fixedly mounted on one end of the top of the platform seat, the arc template is fixedly mounted on the bottom of the mounting seat plate, one end of the mounting seat plate is slidably mounted on the bracket seat through the slide rail module, the lifting cylinder is fixedly mounted on the top of the bracket seat, and the telescopic end of the lifting cylinder is fixedly connected to the mounting seat plate.

[0006] Preferably, a linear sliding bearing is provided at the connection between the swing plate and the guide rod.

[0007] Preferably, a trigger block is provided at the end edge of the mounting seat plate, and a travel switch is provided at a position on the top of the platform seat aligned with the trigger block.

[0008] Preferably, the rolling rod comprises a cylindrical rotating rod and a balancing mounting plate, the cylindrical rotating rod is rotatably mounted on the balancing mounting plate, and the bottom of the balancing mounting plate is fixedly connected to the telescopic end of the jacking cylinder.

[0009] Preferably, the front end of the arc template is an arc-shaped structure, and the center of the arc-shaped structure of the arc template coincides with the center of rotation of the swing plate.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model designs an arc forming mechanism for the end of the refrigerator shell which performs automatic bending and forming processing; it can automatically press the workpiece and automatically perform arc forming processing, which is more efficient and safe, and has a more compact structure and more stable functional operation. 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 an isometric structural schematic diagram of the utility model;

[0014] In the figure: 1. Base; 2. Platform seat; 3. Bracket seat; 4. Slide rail module; 5. Lifting cylinder; 6. Mounting seat plate; 7. Arc template; 8. Linear rack; 9. Driven gear; 10. Servo motor; 11. Rolling rod; 12. Guide rod; 13. Drive shaft; 14. Bearing seat A; 15. Lifting cylinder; 16. Swing plate; 17. Connecting plate; 18. Bearing seat B; 19. Placement plate. 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: an arc forming mechanism for the end of a refrigerator shell, comprising a base 1, a platform seat 2 is fixedly arranged on the top of the base 1, the middle of the platform seat 2 is concave to form a hidden groove connected to the outside, a placement plate 19 for placing a workpiece is fixedly arranged on the top edge of the hidden groove, an arc template 7 for pressing the workpiece is arranged above the placement plate 19, and the arc template 7 is lifted and lowered by a lifting and pressing assembly, a swing plate 16 is arranged in the hidden groove, a rolling rod 11 is lifted and slidably installed on the swing plate 16 through a pair of guide rods 12, connecting plates 17 are fixedly arranged at both ends of the swing plate 16, the connecting plate 17 is rotatably connected to the bearing seat B18 through a shaft, and the bearing seat B18 is fixedly installed on the platform seat 2, a driven gear 9 is extended and fixed at the other end of the shaft, and a pair of linear racks that can be lifted and lowered are symmetrically distributed on the inner sides of both ends of the platform seat 2. 8, the upper end of the linear rack 8 is meshed with the driven gear 9 on the corresponding side, and a transmission shaft 13 is rotatably installed on the base 1 through a bearing seat A14. A servo motor 10 is fixed to one end of the top of the base 1. The servo motor 10 is connected to one end of the transmission shaft 13 through a gear box. The driving gear corresponding to the bottom end of a pair of linear racks 8 on the transmission shaft 13 is meshed with the lower end of the linear rack 8 on the corresponding side. The transmission shaft 13 is driven to rotate by the servo motor 10, and the power is transmitted through the driving gear, the linear rack 8 and the driven gear 9, so that the swing plate 16 swings around the axis. A pair of lifting cylinders 15 are fixed on the swing plate 16, and the telescopic end of the lifting cylinder 15 is connected to the rolling rod 11; the rolling rod 11 is lifted by the lifting cylinder 15, and the swinging swing plate 16 is cooperated to realize that the front end of the workpiece fits the arc template 7 to complete the bending.

[0017] In this embodiment, preferably, the lifting and pressing down assembly includes a mounting seat plate 6, a bracket seat 3, a slide rail module 4 and a lifting cylinder 5. The bracket seat 3 is fixedly mounted on the top end of the platform seat 2, and the arc template 7 is fixedly mounted on the bottom of the mounting seat plate 6. One end of the mounting seat plate 6 is slidably mounted on the bracket seat 3 through the slide rail module 4. The lifting cylinder 5 is fixedly mounted on the top of the bracket seat 3. The telescopic end of the lifting cylinder 5 is fixedly connected to the mounting seat plate 6, so that the arc template 7 can be freely lifted and lowered, and the workpiece can be clamped and released after the bending process is completed, which is convenient for unloading.

[0018] In this embodiment, preferably, a linear sliding bearing is provided at the connection between the swing plate 16 and the guide rod 12 to reduce friction and ensure the stability of the vertical lifting of the rolling rod 11. In this embodiment, preferably, a trigger block is provided at the end edge of the mounting seat plate 6, and a travel switch is provided at the position where the top of the platform seat 2 is aligned with the trigger block, which can conveniently control the arc template 7 to stop further descending after it descends to the set position. In this embodiment, preferably, the rolling rod 11 includes a cylindrical rotating rod and a balancing mounting plate. The cylindrical rotating rod is rotatably mounted on the balancing mounting plate, and the friction during bending can be changed into rolling friction. The bottom of the balancing mounting plate is fixedly connected to the telescopic end of the lifting cylinder 15 to ensure the balanced lifting of the cylindrical rotating rod.

[0019] In this embodiment, preferably, the front end of the arc template 7 is an arc structure, and the center of the arc structure of the arc template 7 coincides with the center of rotation of the swing plate 16. In order to ensure the rotation of the swing plate 16, the lifting cylinder 15 is cooperated to make the rolling rod 11 always fit the arc of the front end of the arc template 7, so that the workpiece on the placement plate 19 is bent into an arc shape.

[0020] 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 end arc forming mechanism, comprising a base (1), characterized in that: A platform seat (2) is fixedly arranged on the top of the base (1), the middle of the platform seat (2) is concave to form a hidden groove connected to the outside, a placement plate (19) for placing a workpiece is fixedly arranged on the top edge of the hidden groove, a circular arc template (7) for pressing the workpiece is arranged above the placement plate (19), and the circular arc template (7) is lifted and lowered by a lifting and pressing assembly, a swing plate (16) is arranged in the hidden groove, a rolling rod (11) is lifted and slidably mounted on the swing plate (16) through a pair of guide rods (12), connecting plates (17) are fixedly arranged at both ends of the swing plate (16), the connecting plate (17) is rotatably connected to the bearing seat B (18) through a shaft, and the bearing seat B (18) is fixedly mounted on the platform seat (2), and the other end of the shaft extends A driven gear (9) is extended and fixed on the platform seat (2); a pair of linear racks (8) that can be lifted and lowered are symmetrically distributed on the inner sides of both ends of the platform seat (2); the upper ends of the linear racks (8) are meshed with the driven gears (9) on the corresponding side; a transmission shaft (13) is rotatably mounted on the base (1) through a bearing seat A (14); a servo motor (10) is fixed on one end of the top of the base (1); the servo motor (10) is transmission-connected to one end of the transmission shaft (13) through a gear box; a driving gear on the transmission shaft (13) corresponds to the bottom ends of the pair of linear racks (8); the driving gear is meshed with the lower ends of the linear racks (8) on the corresponding side; a pair of lifting cylinders (15) are fixedly arranged on the swing plate (16); the telescopic ends of the lifting cylinders (15) are connected to the rolling rods (11).

2. The arc forming mechanism for the end of a refrigerator housing according to claim 1, characterized in that: The lifting and pressing down assembly comprises a mounting seat plate (6), a bracket seat (3), a slide rail module (4) and a lifting cylinder (5); the bracket seat (3) is fixedly mounted on one end of the top of the platform seat (2); the arc template (7) is fixedly mounted on the bottom of the mounting seat plate (6); one end of the mounting seat plate (6) is slidably mounted on the bracket seat (3) through the slide rail module (4); the lifting cylinder (5) is fixedly mounted on the top of the bracket seat (3); and the telescopic end of the lifting cylinder (5) is fixedly connected to the mounting seat plate (6).

3. The arc forming mechanism for the end of a refrigerator housing according to claim 1, characterized in that: A linear sliding bearing is provided at the connection between the swing plate (16) and the guide rod (12).

4. The arc forming mechanism for the end of a refrigerator housing according to claim 2, characterized in that: A trigger block is provided at the end edge of the mounting seat plate (6), and a travel switch is provided at a position on the top of the platform seat (2) aligned with the trigger block.

5. The arc forming mechanism for the end of a refrigerator housing according to claim 1, characterized in that: The rolling rod (11) comprises a cylindrical rotating rod and a balancing mounting plate, the cylindrical rotating rod being rotatably mounted on the balancing mounting plate, and the bottom of the balancing mounting plate being fixedly connected to the telescopic end of the lifting cylinder (15).

6. The arc forming mechanism for the end of a refrigerator housing according to claim 1, characterized in that: The front end of the arc template (7) is an arc-shaped structure, and the center of the arc-shaped structure of the arc template (7) coincides with the center of rotation of the swing plate (16).

Images