Numerical control bending machine with segmented bending mechanism

By designing a structure with a segmented bending mechanism in a CNC bending machine, the problem of the plate not being firmly clamped during deep bending is solved, and the stable clamping and flexible segmented bending of the plate are achieved, which improves the stability and flexibility of the equipment.

CN222805841UActive Publication Date: 2025-04-29SUZHOU WEIHAN PRECISION SHEET METAL CO LTD
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Patent Information

Application Number
CN202421204210.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-04-29
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

When existing CNC bending machines deeply bending the plate, the clamping and fixing are not firmly, resulting in the plate falling and damage.

Method used

A CNC bending machine with a segmented bending mechanism is designed. Through the mutual cooperation of the workbench, placement plate, motor, bidirectional threaded rod, sliding block, connecting rod, moving plate and clamping plate, the clamping and fixing of plates of different sizes is achieved, and segmented bending is achieved through the cooperation of support frame, sliding groove, placement plate, motor, threaded shaft, sports plate and hydraulic rod.

Benefits of technology

It effectively prevents the plate from falling and damaged due to unsolid clamping during bending, which improves the stability of the device, and realizes flexible segmented bending of the plate, improving the flexibility of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of numerical control bending machines, and discloses a numerical control bending machine with a segmented bending mechanism, which comprises a workbench, the front end of the right side of the workbench is fixedly connected with a placing plate I, the top of the placing plate I is fixedly connected with a driving assembly, the left side of the driving assembly is in threaded connection with two sliding blocks I, and the left side of the driving assembly is in threaded connection with two sliding blocks II. The device comprises two first sliding blocks, the rear sides of the two first sliding blocks are fixedly connected with connecting rods, the top ends of the rear sides of the two connecting rods are fixedly connected with second sliding blocks, the tops of the first sliding blocks and the tops of the second sliding blocks are fixedly connected with moving plates, the tops of the moving plates are fixedly connected with placing shells, and the tops of the placing shells are in threaded connection with bolts. According to the plate bending device, plates of different sizes are clamped and fixed, so that the phenomenon that when the plates are bent, the plates fall off and are damaged due to the fact that the plates are not firmly clamped and fixed can be prevented, and the stability of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of numerical control bending machines, in particular to a numerical control bending machine with a segmented bending mechanism. Background Art

[0002] In automobile manufacturing, body components often have complex curves and geometric shapes. CNC bending machines with segmented bending mechanisms can precisely control the bending of different parts to meet the design requirements of body components. Aircraft parts and spacecraft components often require highly precise and complex bending. The segmented bending mechanism allows large metal sheets to be bent multiple times to meet the requirements of structural strength and lightweight in the aerospace field.

[0003] After searching: Chinese patent announcement number: CN219541419U, it relates to the technical field of CNC bending machines, discloses a segmented bending mechanism of a CNC bending machine, and relates to the technical field of CNC bending machines. It includes a frame, an adjusting component is arranged inside the frame, a workbench is fixedly connected to the inner side of the bottom end of the frame, a placement slot is arranged on the top of the workbench, and a first electric hydraulic cylinder is fixedly connected to the inner side of the top end of the frame. The beneficial effects of the utility model are: two reciprocating screw rods are used to drive the two adjusting plates to move back and forth, and at the same time, the hinged action of the main hinge seat and the auxiliary hinge seat is used to drive the limit plate to move up and down accordingly with the movement of the adjusting plate, so that the plate can be squeezed and limited between the plate and the top of the workbench by moving downward, and the plate can be removed by moving upward in the same way, and the stability of the movement of the adjusting plate can be improved by the limit rod, so as to improve the stability of the plate limitation, and the stability of the plate limitation by the limit plate is improved by the friction force of the rubber pad.

[0004] The above patent embodiment states that "the limiting rod is used to facilitate the improvement of the stability of the movement of the adjustment plate, and the stability of the plate limitation. The friction of the rubber pad assists in improving the stability of the plate limitation by the limiting plate." In the above embodiment, the limiting rod is used to make the movement of the adjustment plate more stable, and the friction of the rubber pad is used to assist in improving the stability of the plate limitation by the limiting plate. However, it does not take into account that when the plate needs to be deeply bent, the friction of the rubber pad may not be sufficient to fix the plate. Therefore, in response to the above-mentioned deficiencies, a new CNC bending machine with a segmented bending mechanism is proposed. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a CNC bending machine with a segmented bending mechanism, aiming to improve the problem in the prior art that the plate to be bent is not firmly clamped and fixed.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A CNC bending machine with a segmented bending mechanism comprises a workbench, a right front end of the workbench is fixedly connected to a placement plate 1, the top of the placement plate 1 is fixedly connected to a driving assembly, the left side of the driving assembly is threadedly connected to two sliding blocks 1, the rear sides of the two sliding blocks 1 are fixedly connected to connecting rods, the rear top ends of the two connecting rods are fixedly connected to sliding blocks 2, the tops of the sliding blocks 1 and 2 are fixedly connected to a moving plate, the top of the moving plate is fixedly connected to a placement shell, the top of the placement shell is threadedly connected to a bolt, the bottom of the bolt is fixedly connected to a clamping plate, two sliding holes are provided on the left and right sides of the top of the workbench, and a stabilizing rod 1 is fixedly connected to the inner rear side of the workbench.

[0008] Furthermore, the driving assembly includes a motor 1 and a bidirectional threaded rod, the bottom of the motor 1 is fixedly connected to the top of the placement plate 1, the right top end of the bidirectional threaded rod is fixedly connected to the output end of the motor 1, and the middle parts of the two sliding blocks 1 are both threadedly connected to the outside of the bidirectional threaded rod.

[0009] Furthermore, a support frame is fixedly connected to the top of the workbench, sliding grooves are provided on the front and rear sides of the top of the support frame, a placement plate 2 is fixedly connected to the top of the right side of the support frame, a motor 2 is fixedly connected to the top of the placement plate 2, a threaded shaft is fixedly connected to the output end of the motor 2, the external thread of the threaded shaft is connected to a moving plate, hydraulic rods are fixedly connected to the front and rear sides of the bottom of the moving plate, and the output ends of the two hydraulic rods are fixedly connected to bending plates.

[0010] Furthermore, the top of the movable plate is slidably connected to the inside of the sliding hole, and the top end of the movable plate passes through the inside of the sliding hole and extends outward.

[0011] Furthermore, the middle parts of the two sliding blocks 2 are slidably connected to the outside of the stabilizing rod 1, and the four corners of the bottom of the workbench are fixedly connected with supporting legs.

[0012] Furthermore, the threaded shaft is rotatably connected inside one of the sliding grooves, and the right top end of the threaded shaft penetrates the right inner wall of one of the sliding grooves and extends outward.

[0013] Furthermore, a second stabilizing rod is fixedly connected to the interior of another of the sliding grooves, and a middle portion of the rear side of the moving plate is slidably connected to the exterior of the second stabilizing rod.

[0014] Furthermore, both the front and rear sides of the moving board are slidably connected inside the sliding groove.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, through the cooperation of the workbench, the placement plate 1, the motor 1, the bidirectional threaded rod, the sliding block 1, the connecting rod, the sliding block 2, the movable plate, the placement shell and other structures, the plates of different sizes can be clamped and fixed, thereby preventing the plates from falling and being damaged due to loose clamping when the plates are bent, thereby improving the stability of the device.

[0017] 2. In the utility model, through the mutual cooperation of the supporting frame, the sliding groove, the second placement plate, the second motor, the threaded shaft, the moving plate and other structures, the plate can be bent at different positions, thereby achieving the effect of segmented bending, and the bending depth can be flexibly adjusted, thereby improving the flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a CNC bending machine with a segmented bending mechanism proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of a workbench of a CNC bending machine with a segmented bending mechanism proposed by the utility model;

[0020] Figure 3 The utility model is a schematic diagram of the internal structure of a sliding groove of a CNC bending machine with a segmented bending mechanism.

[0021] Legend:

[0022] 1. Workbench; 2. Placement plate 1; 3. Motor 1; 4. Bidirectional threaded rod; 5. Sliding block 1; 6. Connecting rod; 7. Sliding block 2; 8. Moving plate; 9. Placement shell; 10. Bolt; 11. Clamping plate; 12. Stabilizing bar 1; 13. Sliding hole; 14. Support frame; 15. Sliding groove; 16. Placement plate 2; 17. Motor 2; 18. Threaded shaft; 19. Moving plate; 20. Hydraulic rod; 21. Bending plate; 22. Stabilizing bar 2. DETAILED DESCRIPTION

[0023] 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.

[0024] Reference Figure 1-2The utility model provides an embodiment: a CNC bending machine with a segmented bending mechanism, including a workbench 1, a placement plate 2 is fixedly connected to the front end of the right side of the workbench 1, and a driving component is fixedly connected to the top of the placement plate 2, so that the placement plate 2 can provide support for the driving component, and the left side of the driving component is threadedly connected to two sliding blocks 5, and then starting the driving component can make the driving component drive the two sliding blocks 5 to move, and the driving component includes a motor 3 and a bidirectional threaded rod 4, and the bottom of the motor 3 is fixedly connected to the top of the placement plate 2, so that The placement plate 2 can provide support for the motor 3. The right top of the bidirectional threaded rod 4 is fixedly connected to the output end of the motor 3. Starting the motor 3 can make the output end of the motor 3 drive the bidirectional threaded rod 4 to rotate. The middle parts of the two sliding blocks 5 are threadedly connected to the outside of the bidirectional threaded rod 4. Then, when the bidirectional threaded rod 4 rotates, it will drive the two sliding blocks 5 to move. The rear sides of the two sliding blocks 5 are fixedly connected to the connecting rod 6. The rear tops of the two connecting rods 6 are fixedly connected to the sliding blocks 2 7. When the sliding blocks 5 move, they can be connected to the connecting rod 6. The sliding block 2 7 is driven to move. The tops of the sliding blocks 1 5 and 2 7 are fixedly connected with a moving plate 8, so that when the sliding blocks 1 5 and 2 7 move, the moving plate 8 is driven to move. The top of the moving plate 8 is fixedly connected with a placement shell 9, and then when the moving plate 8 moves, the placement shell 9 is driven to move. The top of the placement shell 9 is threadedly connected with a bolt 10, and the bottom of the bolt 10 is fixedly connected with a clamping plate 11, so that turning the bolt 10 can make the bolt 10 drive the clamping plate 11 to rise or fall. There are two sliding blocks on the left and right sides of the top of the workbench 1. Hole 13, a stabilizing rod 12 is fixedly connected to the inner rear side of the workbench 1, the top of the movable plate 8 is slidably connected to the inside of the sliding hole 13, the top of the movable plate 8 passes through the inside of the sliding hole 13 and extends outward, the middle parts of the two sliding blocks 27 are slidably connected to the outside of the stabilizing rod 12, thereby improving the stability of the movement of the sliding blocks 27, the four corners of the bottom of the workbench 1 are fixedly connected with supporting legs, thereby improving the stability of the device, the front and rear sides of the moving plate 19 are slidably connected to the inside of the sliding groove 15, thereby improving the stability of the movement of the moving plate 19.

[0025] like Figure 1 and 3As shown: the top of the workbench 1 is fixedly connected to a support frame 14, and sliding grooves 15 are provided on both the front and rear sides of the top of the support frame 14. A placement plate 16 is fixedly connected to the top of the right side of the support frame 14, and a motor 17 is fixedly connected to the top of the placement plate 16, so that the placement plate 16 can provide support for the motor 17, and the output end of the motor 17 is fixedly connected to a threaded shaft 18, and then starting the motor 17 can make the motor 17 drive the threaded shaft 18 to rotate, and the external thread of the threaded shaft 18 is connected to a moving plate 19, so that when the threaded shaft 18 rotates, it will drive the moving plate 19 to move, and the bottom of the moving plate 19 is fixedly connected to the front and rear sides, and then the moving plate 19 will drive the hydraulic rod 20 to move, and the output ends of the two hydraulic rods 20 are fixedly connected to a bending plate 21, and starting the hydraulic rod 2 0 can make the output end of the hydraulic rod 20 drive the bending plate 21 to bend the plate, the threaded shaft 18 is rotatably connected to the inside of one of the sliding grooves 15, the right top end of the threaded shaft 18 penetrates the right inner wall of one of the sliding grooves 15 and extends outward, the inside of the other sliding groove 15 is fixedly connected with a stabilizing rod 22, and the middle part of the rear side of the moving plate 19 is slidably connected to the outside of the stabilizing rod 22. After the bending plate 21 is bent, the motor 21 is started again, so that the output end of the motor 21 drives the threaded shaft 18 to rotate, and then the threaded shaft 18 drives the moving plate 19 to move when it moves, and then when the hydraulic rod 20 moves to a suitable position, the hydraulic rod 20 is started, so that the output end of the hydraulic rod 20 drives the bending plate 21 to descend to bend the plate again, so that it can bend the plate in sections.

[0026] Compared with some existing technologies, the above content enables the device to clamp and fix plates of different sizes during use, thereby preventing the plates from falling and being damaged due to loose clamping when bending the plates, thereby improving the stability of the device and realizing bending of the plates at different positions, thereby achieving the effect of segmented bending, and being able to flexibly adjust the bending depth, thereby improving the flexibility of use of the device.

[0027] Working principle: first, place one end of the sheet to be bent into the interior of the placement shell 9, and then turn the bolt 10 so that the bolt 10 drives the clamping plate 11 to descend, and then the clamping plate 11 screw can fix the sheet. At this time, start the motor 3, so that the output end of the motor 3 drives the bidirectional threaded rod 4 to rotate, and then the bidirectional threaded rod 4 will drive the two sliding blocks 5 to approach each other when rotating, and then the two sliding blocks 5 will drive the two sliding blocks 27 to slide on the outside of the stabilizing rod 12 through the two connecting rods 6 when moving, thereby improving the stability of the sliding blocks 27 in movement, and then the sliding blocks 15 and 27 will both drive the moving plate 8 to move when moving, so that the moving plate 8 drives the placement shell 9 to move, and then the other side of the sheet can also enter the interior of the placement shell 9, and then turn. Move the other two bolts 10 so that the other two bolts 10 drive the clamping plate 11 to descend to complete the clamping and fixing of the plate. At this time, start the motor 2 17 so that the output end of the motor 2 17 drives the threaded shaft 18 to rotate, and then the threaded shaft 18 drives the moving plate 19 to move during movement, and then the middle part of the rear side of the moving plate 19 slides on the outside of the stabilizer bar 22, so as to improve the stability of the movement of the moving plate 19, and then the moving plate 19 drives the two hydraulic rods 20 to move during movement, and then when the hydraulic rod 20 moves to the appropriate position, start the hydraulic rod 20, so that the output end of the hydraulic rod 20 drives the bending plate 21 to descend to bend the plate, and repeat the above steps after the bending is completed to bend other positions of the plate, so that it can bend the plate in sections.

[0028] Finally, it should be noted that the above is only 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 can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A CNC bending machine with a segmented bending mechanism, comprising a workbench (1), characterized in that: The front right side of the workbench (1) is fixedly connected to a placement plate (2), the top of the placement plate (2) is fixedly connected to a driving assembly, the left side of the driving assembly is threadedly connected to two sliding blocks (5), the rear sides of the two sliding blocks (5) are fixedly connected to connecting rods (6), the rear top ends of the two connecting rods (6) are fixedly connected to sliding blocks (7), the tops of the sliding blocks (5) and the sliding blocks (7) are fixedly connected to a moving plate (8), the top of the moving plate (8) is fixedly connected to a placement shell (9), the top of the placement shell (9) is threadedly connected to a bolt (10), the bottom of the bolt (10) is fixedly connected to a clamping plate (11), two sliding holes (13) are provided on the left and right sides of the top of the workbench (1), and the inner rear side of the workbench (1) is fixedly connected to a stabilizing rod (12).

2. A CNC bending machine with a segmented bending mechanism according to claim 1, characterized in that: The driving assembly comprises a motor (3) and a bidirectional threaded rod (4), the bottom of the motor (3) being fixedly connected to the top of the placement plate (2), the right top end of the bidirectional threaded rod (4) being fixedly connected to the output end of the motor (3), and the middle parts of the two sliding blocks (5) being threadedly connected to the outside of the bidirectional threaded rod (4).

3. A CNC bending machine with a segmented bending mechanism according to claim 1, characterized in that: The top of the workbench (1) is fixedly connected to a support frame (14), and sliding grooves (15) are provided on both the front and rear sides of the top of the support frame (14). The top of the right side of the support frame (14) is fixedly connected to a second placement plate (16), and the top of the second placement plate (16) is fixedly connected to a second motor (17), and the output end of the second motor (17) is fixedly connected to a threaded shaft (18), and the external thread of the threaded shaft (18) is connected to a moving plate (19), and the front and rear sides of the bottom of the moving plate (19) are fixedly connected to hydraulic rods (20), and the output ends of the two hydraulic rods (20) are fixedly connected to bending plates (21).

4. A CNC bending machine with a segmented bending mechanism according to claim 1, characterized in that: The top of the movable plate (8) is slidably connected to the inside of the sliding hole (13), and the top end of the movable plate (8) passes through the inside of the sliding hole (13) and extends outward.

5. A CNC bending machine with a segmented bending mechanism according to claim 1, characterized in that: The middle parts of the two sliding blocks (7) are slidably connected to the outside of the stabilizing rod (12), and the four corners of the bottom of the workbench (1) are fixedly connected with supporting legs.

6. A CNC bending machine with a segmented bending mechanism according to claim 3, characterized in that: The threaded shaft (18) is rotatably connected to the inside of one of the sliding grooves (15), and the right top end of the threaded shaft (18) penetrates the right inner wall of one of the sliding grooves (15) and extends outward.

7. A CNC bending machine with a segmented bending mechanism according to claim 3, characterized in that: A second stabilizing rod (22) is fixedly connected to the interior of the other sliding groove (15), and the middle portion of the rear side of the moving plate (19) is slidably connected to the exterior of the second stabilizing rod (22).

8. A CNC bending machine with a segmented bending mechanism according to claim 3, characterized in that: The front and rear sides of the moving plate (19) are both slidably connected to the inside of the sliding groove (15).

Citation Information

Patent Citations

  • Segmented bending mechanism of numerical control bending machine

    CN219541419U