Multi-angle bending machine

Abstract

The utility model discloses a multi-angle bending machine, which relates to the technical field of bending machines, and comprises a base, a screw rod I is connected with a threaded sleeve, a double-end worm is meshed with a worm gear, the threaded sleeve is connected with a support frame, a connecting shaft is connected with a side plate I and a side plate II, and a hinged support is connected with a connecting rod; when the bending angle is adjusted, a motor is started to drive a double-end worm to rotate, the double-end worm enables a worm gear to rotate to drive a first lead screw to rotate, the first lead screw enables a threaded sleeve to move upwards or downwards, the threaded sleeve drives a connecting shaft on a supporting frame to move upwards or downwards, and the connecting shaft enables a first side plate and a second side plate to rotate on the connecting shaft and move upwards or downwards. The upper end of the first side plate and the upper end of the second side plate move away from each other or oppositely to drive a hinged support to rotate on a connecting rod, meanwhile, the hinged support drives the connecting rod to slide in a connecting groove, and when the designated angle is adjusted, a motor is closed; multi-angle bending is achieved, equipment does not need to be replaced when other angles are bent, convenience is achieved, and the application range is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of bending machines, in particular to a multi-angle bending machine. Background Art

[0002] A bending machine is a machine that can bend thin plates. It is very common in hardware processing. Its structure mainly includes a bracket, a workbench and a clamping plate. The workbench is composed of a base and a pressure plate. The base is connected to the clamping plate through a hinge. During the metal plate processing process, the plate can be bent into different angles; when bending aluminum veneer, a bending machine is required for bending.

[0003] Chinese patent CN218049812U discloses a multi-angle bending machine for an acoustic shell, which includes a workbench, a support plate, a square column, a rotating shaft, a pad and a pressing mechanism. Two sets of support plates are installed on the top of the workbench, and the rotating shaft is rotatably installed between the two sets of support plates. A square column is provided on the rotating shaft, a notch A is provided at the top of the square column, and a notch B is provided at the bottom of the square column. The top of the pad contacts the bottom of the square column, and the bottom of the pad contacts the top of the workbench.

[0004] In the above patent, the bending angle is a fixed angle, that is, there are only two angles to choose from, and multi-angle bending is not possible. When bending to other angles is required, other bending equipment needs to be replaced, which is more troublesome and has a small scope of application. Utility Model Content

[0005] The purpose of the present invention is to provide a multi-angle bending machine to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a multi-angle bending machine, comprising: a base, the front and rear ends of the center of the base are vertically rotatably connected to a screw rod 1, the outer wall of a lower end of the screw rod is fixed with a worm gear meshed with a double-headed worm gear, the two ends of the double-headed worm gear are located between the fixed frame and the fixed block and are horizontally rotatably connected, the rear end of the double-headed worm gear is fixedly connected to the output end of the motor, the outer wall of the screw rod 1 is vertically matched with a threaded sleeve located above the worm gear, the upper end of the threaded sleeve is horizontally fixedly connected to the support frame, the support frames are fixedly connected to a connecting shaft, the outer wall of the connecting shaft is rotatably connected to side plate 1 and side plate 2, the side plate 1 and side plate 2 are fixedly connected to a hinge seat at one end away from the connecting shaft, the hinge seat is horizontally rotatably connected to a connecting rod, the left and right ends of the top surface of the base are vertically fixed with support plates, and the upper side wall of the support plate is provided with a connecting groove slidably connected to the connecting rod.

[0007] Furthermore, the cross-section of the fixing frame is L-shaped, the lower end of the fixing frame is fixedly connected to the central rear end of the base, the upper end of the fixing frame is vertically fixedly connected to two cylinders, and the movable end of the cylinder is horizontally fixedly connected to a bending mold located between the fixing frame and the base.

[0008] Furthermore, the double-headed worm is located on the left side of the worm wheel, the bottom surface of the fixed block is fixedly connected to the top surface of the front end of the base, and the motor is located on the rear side of the fixed frame and fixedly connected to the top surface of the base.

[0009] Furthermore, the support frame has a U-shaped cross section, the support frame is located between the fixing frame, the base and the fixing block, the side panel 1 and the side panel 2 are located below the bending mold, and the side panel 1 is located on the left side of the side panel 2.

[0010] Furthermore, one end of the connecting rod is fixedly connected to a limit rod horizontally fixedly connected to one side of the support plate, and the limit rod is perpendicular to the connecting rod. There are two limit rods, and the two limit rods are located on the left and right sides of the two support plates.

[0011] Furthermore, the front and rear sides of the center of the upper end of the support plate are rotatably connected with a second screw rod parallel to the connecting rod, the second screw rod is located between the connecting rods, the second screw rod passes through the limit rod, and a matching sleeve is provided on the outer wall of the second screw rod, which is located between the support plate and the limit rod. A guide rod is horizontally fixedly connected to the side wall of the support plate, which is slidably connected to a corner of the drive block and slidably connected to the limit rod.

[0012] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0013] The worm gear is meshed with the worm gear, and the worm gear rotates, and the rotation of the worm gear drives the lead screw 1 to rotate in the base, and the lead screw 1 causes the threaded sleeve to move upward or downward, thereby causing the threaded sleeve to drive the support frame to move up or down, and the support frame drives the connecting shaft to move up or down, and the connecting shaft causes the side plate 1 and the side plate 2 to rotate thereon, and the side plate 1 and the side plate 2 upper ends move away from or toward each other, driving the hinge seat to rotate on the connecting rod, and at the same time the hinge seat drives the connecting rod to slide in the connecting groove, and the connecting rod drives the limit rod to move. When the side plate 1 and the side plate 2 are adjusted to a specified angle, the motor is turned off to complete the angle adjustment; it is realized that multi-angle bending can be achieved, and when other angles need to be bent, there is no need to replace other bending equipment, which is more convenient and improves the scope of application.

[0014] 2. After the bending angle is adjusted, the utility model rotates the handle to drive the second screw to rotate in the support plate. The second screw causes the driving block to move to the side close to the limit rod. At the same time, the driving block slides on the guide rod. When the driving block and the limit rod are in close contact, the handle is stopped. Then the aluminum veneer is placed on the support plate, and then the cylinder is started to drive the bending die to move downward to bend the aluminum veneer. In this way, the pressure generated by the bending die downward during the bending process on the threaded sleeve, the first screw and other structures can be reduced, and the service life can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 This is a left rear top view of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of the utility model from the left front top view;

[0018] Figure 3 This utility model Figure 2 A schematic diagram of the enlarged structure of the middle A area;

[0019] Figure 4 This utility model Figure 2 A magnified schematic diagram of the structure of the middle B region;

[0020] In the figure: 1. Base; 2. Fixed frame; 3. Cylinder; 4. Bending mold; 5. Motor; 6. Double-headed worm; 7. Support plate; 8. Limit rod; 9. Connecting rod; 10. Side panel 1; 11. Side panel 2; 12. Hinge seat; 13. Fixed block; 14. Support frame; 15. Threaded sleeve; 16. Screw rod 1; 17. Worm gear; 18. Connecting shaft; 19. Connecting groove; 20. Screw rod 2; 21. Drive block; 22. Guide rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-Figure 4The utility model provides a technical solution: a multi-angle bending machine, comprising: a base 1, the front and rear ends of the center of the base 1 are vertically rotatably connected with a screw 16, the outer wall of the lower end of the screw 16 is fixed with a worm gear 17 meshing with the double-headed worm 6, the two ends of the double-headed worm 6 are located between the fixed frame 2 and the fixed block 13 and are horizontally rotatably connected, the cross-section of the fixed frame 2 is L-shaped, which is convenient for taking and placing aluminum veneers from the front, the lower end of the fixed frame 2 is fixedly connected to the rear end of the center of the base 1, and the upper end of the fixed frame 2 is vertically fixedly connected to two cylinders 3, which can make the bending more stable, and the movable end of the cylinder 3 is horizontally fixedly connected to a bending mold 4 located between the fixed frame 2 and the base 1, the rear end of the double-headed worm 6 is fixedly connected to the output end of the motor 5, and the double-headed worm 6 is located at the worm gear 17 On the left side, the bottom surface of the fixed block 13 is fixedly connected to the top surface of the front end of the base 1, the motor 5 is located on the rear side of the fixed frame 2, and is fixedly connected to the top surface of the base 1, the outer wall of the screw rod 16 is vertically matched with a threaded sleeve 15 located above the worm gear 17, and the upper end of the threaded sleeve 15 is horizontally fixedly connected to the support frame 14, and the position of the support frame 14 will not affect the applicability of the bending mold 4. A connecting shaft 18 is fixedly connected between the support frames 14, and the outer wall of the connecting shaft 18 is rotatably connected to the side panel 10 and the side panel 2 11. The cross-section of the support frame 14 is U-shaped, and the support frame 14 is located between the fixed frame 2, the base 1 and the fixed block 13. The side panel 10 and the side panel 2 11 are located below the bending mold 4, and the side panel 10 is located on the left side of the side panel 2 11. 11 is located at one end away from the connecting shaft 18 and is fixedly connected to a hinge seat 12. The hinge seat 12 is horizontally rotatably connected to a connecting rod 9. Support plates 7 are vertically fixed to the left and right ends of the top surface of the base 1. In addition to the support plate 7 playing a connecting role, the aluminum veneer can also be placed on it. A connecting groove 19 is provided on the upper side wall of the support plate 7 and is slidably connected to the connecting rod 9. The connecting rod 9 and the connecting groove 19 can prevent the threaded sleeve 15 from rotating with the screw rod 16, thereby improving the stability of the device. One end of the connecting rod 9 is fixedly connected to a limit rod 8 fixedly connected horizontally to one side of the support plate 7, and the limit rod 8 is perpendicular to the connecting rod 9. There are two limit rods 8, which are located on the left and right sides of the two support plates 7. The limit rod 8 can prevent the threaded sleeve 15 from touching the worm gear. 17, to avoid affecting the rotation of the worm gear 17, the front and rear sides of the center of the upper end of the support plate 7 are rotatably connected with a screw rod 20 parallel to the connecting rod 9, the screw rod 20 is located between the connecting rod 9, the screw rod 20 passes through the limit rod 8, and the end of the screw rod 20 away from the support plate 7 is fixedly connected with a handle (not marked in the figure) to facilitate the rotation of the screw rod 20, and at the same time prevent the threaded sleeve 15 from separating from the screw rod 16. A matching sleeve is provided on the outer wall of the screw rod 20, which is located between the support plate 7 and the limit rod 8. A guide rod 22 is fixedly connected to the side wall of the support plate 7 in a horizontal direction and is slidably connected to one corner of the drive block 21 and is slidably connected to the limit rod 8. The guide rod 22 enables the drive block 21 to move stably. When the drive block 21 abuts against the limit rod 8,It can reduce the pressure exerted by the bending die 4 on the threaded sleeve 15 and the screw rod 16 during the bending process, thereby increasing the service life.

[0023] Working principle of this utility model:

[0024] Refer to the instruction manual Figure 1-4 When the bending angle is adjusted, the motor 5 is started, and the output end of the motor 5 rotates to drive the two ends of the double-headed worm 6 to rotate in the fixed frame 2 and the fixed block 13 respectively. Due to the meshing connection between the double-headed worm 6 and the worm wheel 17, the double-headed worm 6 causes the worm wheel 17 to rotate, and the rotation of the worm wheel 17 drives the screw rod 16 to rotate in the base 1, and the screw rod 16 causes the threaded sleeve 15 to move upward or downward, thereby causing the threaded sleeve 15 to drive the support frame 14 to move upward or downward, and the support frame 14 drives the connecting shaft 18 to move upward or downward, and the connecting shaft 18 causes the side plate 10 and the side plate 2 11 to rotate thereon, and causes the side plate 10 and the side plate 2 11 to move upward or downward, and the upper ends of the side plates 10 and 11 are separated or aligned. The movement drives the hinge seat 12 to rotate on the connecting rod 9, and at the same time the hinge seat 12 drives the connecting rod 9 to slide horizontally in the connecting groove 19, and the connecting rod 9 drives the limit rod 8 to move. When the side panel 1 10 and the side panel 2 11 are adjusted to the specified angle, the motor 5 is turned off to complete the angle adjustment; then the handle is turned to drive the screw rod 20 to rotate in the support plate 7, and the screw rod 20 causes the driving block 21 to move to the side close to the limit rod 8 and contact it, and the handle is stopped; then the aluminum single plate is placed on the support plate 7, and then the cylinder 3 is started to drive the bending mold 4 to move downward to bend the aluminum single plate; multi-angle bending is achieved, and when other angles need to be bent, there is no need to replace other bending equipment, which is more convenient and improves the scope of application.

[0025] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A multi-angle bending machine, comprising: The base (1) is characterized in that: the front and rear ends of the center of the base (1) are vertically rotatably connected with a screw rod (16); the outer wall of the lower end of the screw rod (16) is fixed with a worm wheel (17) meshing with the double-headed worm (6); the two ends of the double-headed worm (6) are horizontally rotatably connected between the fixed frame (2) and the fixed block (13); the rear end of the double-headed worm (6) is fixedly connected to the output end of the motor (5); the outer wall of the screw rod (16) is vertically matched with a threaded sleeve (15) located above the worm wheel (17); the upper end of the threaded sleeve (15) is horizontally A support frame (14) is fixedly connected, a connecting shaft (18) is fixedly connected between the support frames (14), the outer wall of the connecting shaft (18) is rotatably connected to a side plate 1 (10) and a side plate 2 (11), the side plates 1 (10) and 2 (11) are fixedly connected to a hinge seat (12) at one end away from the connecting shaft (18), the hinge seat (12) is horizontally rotatably connected to a connecting rod (9), support plates (7) are vertically fixed at the left and right ends of the top surface of the base (1), and a connecting groove (19) is provided on the upper side wall of the support plate (7) for sliding connection with the connecting rod (9).

2. A multi-angle bending machine according to claim 1, characterized in that: The cross section of the fixing frame (2) is L-shaped, the lower end of the fixing frame (2) is fixedly connected to the central rear end of the base (1), the upper end of the fixing frame (2) is vertically fixedly connected to two cylinders (3), and the movable end of the cylinder (3) is horizontally fixedly connected to a bending mold (4) located between the fixing frame (2) and the base (1).

3. The multi-angle bending machine according to claim 1, characterized in that: The double-headed worm (6) is located on the left side of the worm wheel (17), the bottom surface of the fixed block (13) is fixedly connected to the top surface of the front end of the base (1), and the motor (5) is located on the rear side of the fixed frame (2) and fixedly connected to the top surface of the base (1).

4. The multi-angle bending machine according to claim 1, characterized in that: The support frame (14) has a U-shaped cross section. The support frame (14) is located between the fixing frame (2), the base (1) and the fixing block (13). The side panel 1 (10) and the side panel 2 (11) are located below the bending mold (4). The side panel 1 (10) is located on the left side of the side panel 2 (11).

5. The multi-angle bending machine according to claim 1, characterized in that: One end of the connecting rod (9) is fixedly connected to a limit rod (8) which is horizontally fixedly connected to one side of the support plate (7), and the limit rod (8) is perpendicular to the connecting rod (9). Two limit rods (8) are provided, and the two limit rods (8) are located on the left and right sides of the two support plates (7).

6. The multi-angle bending machine according to claim 5, characterized in that: The support plate (7) is rotatably connected to a second screw rod (20) parallel to the connecting rod (9) at the front and rear sides of the center of the upper end, the second screw rod (20) is located between the connecting rods (9), the second screw rod (20) passes through the limiting rod (8), and a driving block (21) located between the support plate (7) and the limiting rod (8) is matched and sleeved on the outer wall of the second screw rod (20), and a guide rod (22) is horizontally fixedly connected to the side wall of the support plate (7) and is slidably connected to one corner of the driving block (21) and is slidably connected to the limiting rod (8).

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