Numerical control bending machine with waste residue cleaning function
By integrating a dust collector and a collection box into a CNC bending machine, and using a servo motor to drive the sliding seat to move, automatic waste removal is achieved, solving the problem of waste accumulation affecting processing accuracy in CNC bending machines, and improving cleaning efficiency and product quality.
Patent Information
- Application Number
- CN202511033148.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-25
- Publication Date
- 2025-11-18
AI Technical Summary
The accumulation of waste residue generated during the bending process of CNC bending machines affects processing accuracy and product quality. Traditional cleaning methods are inefficient and inconvenient.
A CNC bending machine with waste removal function was designed. It is equipped with a vacuum cleaner and a collection box. The sliding seat is driven by a servo motor to move along the length of the bending groove to achieve automatic waste collection. The vacuum head is located in the bending groove to suck up the waste and enters the collection box through the connecting pipe. The collection box is magnetically fixed to the vacuum cleaner and has a hollow design to facilitate disassembly.
It achieves automated waste cleaning, reduces manual operation, improves work efficiency, and ensures processing accuracy and product quality. The design of the vacuum cleaner and collection box ensures sealing and stability, and facilitates maintenance.
Smart Images

Figure CN120961682A_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of CNC bending machine technology, and more specifically, it relates to a CNC bending machine with a waste residue cleaning function. Background Technology
[0002] CNC bending machines use equipped molds to bend cold metal sheets into workpieces with various geometric cross-sectional shapes. They are sheet metal forming machines designed for cold-rolled sheet metal processing and are widely used in sheet metal bending processing in industries such as automobiles, aircraft manufacturing, light industry, shipbuilding, containers, elevators, and railway vehicles.
[0003] CNC bending machines generate waste residue during the bending process. This residue accumulates in the bending groove, affecting subsequent material placement and bending accuracy, leading to a decline in product quality. Traditional CNC bending machines typically clean this waste residue manually or using cleaning tools, which is inconvenient and ineffective. Therefore, this paper researches and improves upon existing structures and shortcomings to provide a CNC bending machine with a waste residue cleaning function, aiming to achieve greater practical value. Summary of the Invention
[0004] To solve the above-mentioned technical problems, the present invention provides a CNC bending machine with waste residue cleaning function, which is achieved by the following specific technical means:
[0005] A CNC bending machine with waste residue cleaning function includes a worktable, a bottom mold at the upper end of the worktable, a bending groove on the upper surface of the bottom mold, a bending rod directly above the bending groove, a control panel on the worktable, a support plate fixedly installed at the upper end of the worktable, a hydraulic cylinder for driving the bending rod to move fixedly installed on the support plate, a cleaning assembly on the worktable including a vacuum cleaner and a collection box, a connecting pipe fixedly installed at the upper end of the vacuum cleaner, a suction head fixedly installed on the connecting pipe, a suction port on the bottom surface of the suction head, the suction head being located inside the bending groove, the collection box being installed inside the vacuum cleaner, and a drive assembly on the worktable including a sliding seat and a servo motor, the vacuum cleaner being installed on the sliding seat, and a threaded rod fixedly connected to the output shaft of the servo motor for driving the sliding seat to move along the length direction of the bending groove.
[0006] Furthermore, the inside of the collection box is hollowed out, a filter screen is fixedly installed at the bottom of the collection box, and a receiving cavity is opened on the surface of the vacuum cleaner, into which the collection box is inserted.
[0007] Furthermore, a sealing ring is provided between the collection box and the receiving cavity, and a magnetic plate is fixedly installed on both the end of the collection box and the inner wall of the receiving cavity, and the two magnetic plates are magnetically attracted to each other.
[0008] Furthermore, the bottom of the sliding seat has an opening, and the upper surface of the sliding seat has a mounting groove communicating with the opening. The bottom of the vacuum cleaner is movably inserted into the mounting groove, and the vacuum cleaner is threadedly fixed to the sliding seat by screws.
[0009] Furthermore, a connecting block is fixedly installed at the bottom of the sliding seat, the threaded rod passes through the connecting block and is threadedly connected to the connecting block, the servo motor is fixedly installed on the worktable, and the threaded rod is rotatably installed on the worktable.
[0010] Furthermore, limit grooves are provided on both sides of the bottom surface of the sliding seat, and limit rods are fixedly installed on both sides of the upper end of the worktable, with the two limit rods respectively moving through the limit grooves.
[0011] Furthermore, a connecting plate is fixedly installed at the bottom end of the hydraulic cylinder telescopic rod. The connecting plate is located above the bending rod, and the bending rod is fixed to the connecting plate by bolts. Guide rods are fixedly installed on both sides of the top of the connecting plate, and both guide rods movably pass through the support plate.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] 1. This CNC bending machine with waste cleaning function is equipped with a cleaning component. During the bending process, the servo motor drives the sliding seat to move along the length of the bending groove, which in turn moves the vacuum cleaner. This allows the vacuum head to automatically collect all the waste generated, reducing the amount of manual cleaning and improving work efficiency. It also avoids the impact of waste residue on subsequent processing.
[0014] Second, the collection box adopts a hollow design and is equipped with a filter screen, which can effectively filter waste residue. The collection box and the vacuum cleaner are magnetically fixed by a magnetic plate and a sealing ring is set, which makes it easy to disassemble and clean. This ensures both the stability of the collection box installation and the airtightness of the vacuum cleaner's interior to prevent leakage.
[0015] Third, the sliding seat and the worktable are connected by a limiting groove and a limiting rod, which restricts the sliding seat to move only in a specific direction, ensuring the stability of the vacuum cleaner during movement and preventing deviation that would affect the vacuuming effect. At the same time, the vacuum cleaner is fixed to the sliding seat with screws, which makes it easy to install and remove the vacuum cleaner and facilitates maintenance or replacement. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the CNC bending machine with waste residue cleaning function of the present invention.
[0017] Figure 2 This is a schematic diagram of the bottom mold of the present invention.
[0018] Figure 3 This is a schematic diagram of the vacuum cleaner of the present invention.
[0019] Figure 4 This is a schematic diagram of the sliding seat of the present invention.
[0020] In the diagram, the correspondence between component names and drawing numbers is as follows:
[0021] 1. Workbench; 11. Bottom mold; 12. Support plate; 13. Bending rod; 14. Hydraulic cylinder; 15. Connecting plate; 16. Guide rod; 17. Bending groove; 18. Control panel; 2. Vacuum cleaner; 21. Connecting pipe; 22. Vacuum head; 23. Vacuum inlet; 24. Receiving cavity; 3. Collection box; 31. Magnetic plate; 32. Filter screen; 4. Sliding seat; 41. Mounting groove; 42. Connecting block; 43. Limiting groove; 44. Through port; 5. Servo motor; 51. Threaded rod; 6. Limiting rod. Detailed Implementation
[0022] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of the invention.
[0023] In the description of this invention, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0024] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0025] Example:
[0026] As attached Figure 1 To be continued Figure 4 As shown:
[0027] This invention provides a CNC bending machine with waste residue cleaning function, including a worktable 1. A bottom mold 11 is provided at the upper end of the worktable 1. A bending groove 17 is formed on the upper surface of the bottom mold 11. A bending rod 13 is provided directly above the bending groove 17. A control panel 18 is provided on the worktable 1. The control panel 18 is used to set various parameters of the bending machine, such as bending force and stroke. A support plate 12 is fixedly installed at the upper end of the worktable 1. A hydraulic cylinder 14 for driving the bending rod 13 to move is fixedly installed on the support plate 12. A cleaning assembly is provided on the worktable 1. The cleaning assembly includes a vacuum cleaner 2 and a collection box 3. A connecting pipe 21 is fixedly installed at the upper end of the vacuum cleaner 2. A suction head 22 is fixedly installed on the connecting pipe 21. The bottom surface of the suction head 22 has a suction port 23. The suction head 22 is located in the bending groove 17. The collection box 3 is installed in the vacuum cleaner 2. A drive assembly is provided on the workbench 1. The drive assembly includes a sliding seat 4 and a servo motor 5. The vacuum cleaner 2 is installed on the sliding seat 4. The output shaft of the servo motor 5 is fixedly connected to a threaded rod 51. The threaded rod 51 is used to drive the sliding seat 4 to move along the length direction of the bending groove 17. The suction head 22 is located in the bending groove 17. The suction port 23 on its bottom surface sucks up the waste residue in the bending groove 17 during the movement. The waste residue enters the collection box 3 in the vacuum cleaner 2 through the connecting pipe 21.
[0028] The inside of the collection box 3 is hollow. A filter screen 32 is fixedly installed at the bottom of the collection box 3. A receiving cavity 24 is opened on the surface of the vacuum cleaner 2. The collection box 3 is inserted into the receiving cavity 24. A sealing ring is provided between the collection box 3 and the receiving cavity 24. A magnetic plate 31 is fixedly installed on the end of the collection box 3 and the inner wall of the receiving cavity 24. The two magnetic plates 31 are magnetically attracted and fixed. The magnetic plates 31 on the end of the collection box 3 and the inner wall of the open receiving cavity 24 are magnetically attracted and fixed to each other, and a sealing ring is provided between them to ensure airtightness.
[0029] The bottom of the sliding seat 4 has an opening 44, and the upper surface of the sliding seat 4 has an installation groove 41 that communicates with the opening 44. The bottom of the vacuum cleaner 2 is movably inserted into the installation groove 41. The vacuum cleaner 2 is threadedly fixed to the sliding seat 4 by screws, which makes it convenient to install and remove the vacuum cleaner 2, thereby facilitating maintenance or replacement.
[0030] A connecting block 42 is fixedly installed at the bottom of the sliding seat 4. The threaded rod 51 passes through the connecting block 42 and is threadedly connected to the connecting block 42. The servo motor 5 is fixedly installed on the worktable 1. The threaded rod 51 is rotatably installed on the worktable 1. The rotation of the threaded rod 51 drives the sliding seat 4 and the vacuum cleaner 2 to move.
[0031] Limiting grooves 43 are provided on both sides of the bottom surface of the sliding seat 4, and limiting rods 6 are fixedly installed on both sides of the upper end of the worktable 1. The two limiting rods 6 respectively move through the limiting grooves 43, restricting the sliding seat 4 to move only along the length direction of the bending groove 17.
[0032] A connecting plate 15 is fixedly installed at the bottom end of the telescopic rod of the hydraulic cylinder 14. The connecting plate 15 is located above the bending rod 13. The bending rod 13 and the connecting plate 15 are fixed together by bolts. Guide rods 16 are fixedly installed on both sides of the top of the connecting plate 15. Both guide rods 16 movably pass through the support plate 12. The guide rods 16 slide along the support plate 12 to guide and ensure that the bending rod 13 descends vertically.
[0033] The working principle of this embodiment:
[0034] Step 1: Place the material to be bent on the bending groove 17 of the bottom mold 11. Start the hydraulic cylinder 14. The telescopic rod of the hydraulic cylinder 14 pushes the connecting plate 15 downward. The bending rod 13, which is fixed to the connecting plate 15 by bolts, descends accordingly. During the descent, the guide rod 16 slides along the support plate 12, acting as a guide to ensure that the bending rod 13 descends vertically and bends the material in the bending groove 17. Waste will be generated during the bending process. Start the cleaning component. The servo motor 5 starts working, and its output shaft drives the threaded rod 51 to rotate. The threaded rod 51 is threadedly connected to the bottom connecting block 42 of the sliding seat 4, and the limiting grooves 43 on both sides of the bottom surface of the sliding seat 4 cooperate with the limiting rod 6 on the workbench 1, restricting the sliding seat 4 to move only along the length direction of the bending groove 17. Therefore, the rotation of the threaded rod 51 drives the sliding seat 4 to move along the length direction of the bending groove 17, and the vacuum cleaner 2 installed on the sliding seat 4 moves accordingly. The vacuum head 22 is located in the bending groove 17, and the vacuum port 23 on its bottom surface sucks up the waste residue in the bending groove 17 during the movement. The waste residue enters the collection box 3 in the vacuum cleaner 2 through the connecting pipe 21.
[0035] Step 2: The collection box 3 is hollow inside and has a filter screen 32 installed at the bottom. The collection box 3 is inserted into the receiving cavity 24 in the vacuum cleaner 2. The end of the collection box 3 is magnetically attracted to the magnetic plate 31 on the inner wall of the open receiving cavity 24 and a sealing ring is set between them to ensure airtightness. When the waste in the collection box 3 is collected to a certain extent, the two magnetic plates 31 can be manually separated, the collection box 3 can be taken out of the vacuum cleaner 2, the waste can be poured out, and then it can be inserted back into its original position and re-fixed by the magnetic plates 31.
[0036] The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and to design various embodiments with various modifications suitable for a particular purpose.
Claims
1. A CNC bending machine with waste residue cleaning function, comprising a worktable (1), wherein a bottom mold (11) is provided at the upper end of the worktable (1), a bending groove (17) is provided on the upper surface of the bottom mold (11), a bending rod (13) is provided directly above the bending groove (17), and a control panel (18) is provided on the worktable (1), characterized in that: A support plate (12) is fixedly installed on the upper end of the workbench (1). A hydraulic cylinder (14) for driving the bending rod (13) to move is fixedly installed on the support plate (12). A cleaning assembly is provided on the workbench (1). The cleaning assembly includes a vacuum cleaner (2) and a collection box (3). A connecting pipe (21) is fixedly installed on the upper end of the vacuum cleaner (2). A vacuum head (22) is fixedly installed on the connecting pipe (21). A vacuum port (23) is opened on the bottom surface of the vacuum head (22). The vacuum head (22) is located in the bending groove (17). The collection box (3) is installed in the vacuum cleaner (2). The workbench (1) is provided with a drive assembly, which includes a sliding seat (4) and a servo motor (5). The vacuum cleaner (2) is mounted on the sliding seat (4). The output shaft of the servo motor (5) is fixedly connected to a threaded rod (51). The threaded rod (51) is used to drive the sliding seat (4) to move along the length direction of the bending groove (17).
2. The CNC bending machine with waste residue cleaning function as described in claim 1, characterized in that: The inside of the collection box (3) is hollow, and a filter screen (32) is fixedly installed at the bottom of the collection box (3); the surface of the vacuum cleaner (2) is provided with a receiving cavity (24), and the collection box (3) is inserted into the receiving cavity (24).
3. The CNC bending machine with waste residue cleaning function as described in claim 2, characterized in that: A sealing ring is provided between the collection box (3) and the receiving cavity (24). A magnet plate (31) is fixedly installed on both the end of the collection box (3) and the inner wall of the receiving cavity (24), and the two magnet plates (31) are magnetically attracted to each other.
4. The CNC bending machine with waste residue cleaning function as described in claim 3, characterized in that: The bottom of the sliding seat (4) is provided with an opening (44), and the upper surface of the sliding seat (4) is provided with an installation groove (41) communicating with the opening (44). The bottom of the vacuum cleaner (2) is movably inserted into the installation groove (41), and the vacuum cleaner (2) is threadedly fixed to the sliding seat (4) by screws.
5. The CNC bending machine with waste residue cleaning function as described in claim 4, characterized in that: A connecting block (42) is fixedly installed at the bottom of the sliding seat (4), and the threaded rod (51) passes through the connecting block (42) and is threadedly connected to the connecting block (42); the servo motor (5) is fixedly installed on the worktable (1), and the threaded rod (51) is rotatably installed on the worktable (1).
6. The CNC bending machine with waste slag cleaning function as described in claim 5, characterized in that: Limiting grooves (43) are provided on both sides of the bottom surface of the sliding seat (4), and limiting rods (6) are fixedly installed on both sides of the upper end of the worktable (1). The two limiting rods (6) respectively move through the limiting grooves (43).
7. The CNC bending machine with waste residue cleaning function as described in claim 6, characterized in that: A connecting plate (15) is fixedly installed at the bottom end of the telescopic rod of the hydraulic cylinder (14). The connecting plate (15) is located above the bending rod (13). The bending rod (13) and the connecting plate (15) are fixed together by bolts. Guide rods (16) are fixedly installed on both sides of the top of the connecting plate (15). Both guide rods (16) movably pass through the support plate (12).