High-precision laser cutting device for precision parts
By designing an adjustable stainless steel sheet and steel brush structure in the laser cutting device, the problem of metal fragment residue was solved, achieving high-precision cutting and efficient cleaning, and improving the service life and accuracy of the worktable.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-04-03
AI Technical Summary
In the current laser cutting process for precision parts, metal debris is difficult to fall out of the worktable openings, resulting in residues that affect positioning and cutting accuracy. Furthermore, the high-temperature metal fragments are difficult to clean, reducing work efficiency.
A workbench structure comprising stainless steel sheets and an adjustment frame was designed. Through the expansion of the adjustment frame and the cleaning mechanism of the steel brush, the automatic cleaning of metal fragments and the removal of surface impurities are achieved, ensuring the cleanliness and precision of the workbench.
This effectively avoids metal fragment residue, ensures the positioning and cutting accuracy of subsequent parts, improves work efficiency, and extends the service life of the worktable.
Smart Images
Figure CN224073592U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of laser cutting technology, specifically a high-precision laser cutting device for precision parts. Background Technology
[0002] When processing high-precision mechanical parts, a series of operations such as punching, cutting, and grinding are required. Among them, cutting high-precision mechanical parts requires a cutting machine. The current cutting devices mainly include water jet cutting machines, laser cutting machines, and circular blade cutting machines. Laser cutting machines focus the laser emitted from a laser into a high-power-density laser beam through a light-brightening system. When the laser beam irradiates the surface of the high-precision mechanical part, it will cause it to reach its melting or boiling point and directly vaporize, ultimately forming a kerf in the high-precision mechanical part, thereby achieving the purpose of cutting.
[0003] In existing technologies, during the laser cutting of precision parts, metal fragments are generated and fall through the gaps in the honeycomb-shaped worktable. However, some larger metal fragments are too big to fall through the gaps or are misaligned with the gaps in the worktable, preventing them from falling out. After the parts are processed, the fragments remain on the worktable. The high temperature during laser cutting makes cleaning inconvenient, and waiting for cooling before cleaning requires the laser cutting equipment to be idle for a period of time, reducing work efficiency. Furthermore, the metal fragments remaining on the worktable seriously affect the positioning and cutting accuracy of precision parts during subsequent laser cutting operations. Utility Model Content
[0004] The purpose of this invention is to provide a high-precision laser cutting device for precision parts, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-precision laser cutting device for precision parts, comprising a base and a worktable. The worktable is located within the base, and a laser cutting mechanism is provided on the base. Multiple sets of equidistantly distributed stainless steel sheets are provided within the worktable. A mounting frame is fixedly installed within the worktable. Multiple sets of equidistantly distributed adjusting frames are slidably installed on the mounting frame. The stainless steel sheets are correspondingly arranged with the adjusting frames, and the stainless steel sheets are fixedly connected to their respective adjusting frames. A mounting rod is fixedly installed on the mounting frame. Two sets of symmetrically distributed first telescopic rods are slidably installed within the mounting rod. A second telescopic rod is slidably installed within each of the two sets of first telescopic rods. The ends of the two sets of second telescopic rods furthest from the mounting rod are respectively fixedly connected to two sets of adjusting frames located on either side. A movable frame is slidably installed on the worktable. A steel brush is provided below the movable frame, and the steel brush is correspondingly arranged with the multiple sets of stainless steel sheets. The adjusting frame in the middle is fixedly connected to the mounting frame.
[0006] As a further preferred embodiment of this technical solution, each of the multiple sets of adjustment frames is rotatably mounted with two sets of cross-distributed connecting rods, and both ends of the connecting rods are rotatably connected to the connecting rods on the adjacent adjustment frames via rotating shafts.
[0007] As a further preferred embodiment of this technical solution, the mounting rod is provided with a bidirectional screw, which is rotatably connected to the mounting rod via a bearing. A first bevel gear is sleeved on the bidirectional screw, and a second bevel gear is rotatably installed inside the mounting rod. The second bevel gear meshes with the first bevel gear, and both sets of the first telescopic rods are provided with threaded tubes.
[0008] As a further preferred embodiment of this technical solution, the two ends of the bidirectional screw pass through two sets of first telescopic rods respectively and are threadedly connected to the two sets of first telescopic rods respectively. The threaded tube is rotatably connected to the corresponding first telescopic rod through a bearing, and the threaded tube passes through the corresponding second telescopic rod and is threadedly connected to the second telescopic rod.
[0009] As a further preferred embodiment of this technical solution, the bidirectional screw is provided with two sets of symmetrically distributed keyways, and the threaded tube is provided with two sets of symmetrically distributed key blocks. The key blocks are correspondingly arranged with the keyways, and both sets of the threaded tubes are slidably sleeved with the bidirectional screw through the key blocks.
[0010] As a further preferred embodiment of this technical solution, the workbench is provided with a lead screw, the two ends of which pass through the workbench and are rotatably connected to the workbench through bearings, and the lead screw passes through the movable frame and is threadedly connected to the movable frame.
[0011] As a further preferred embodiment of this technical solution, a sliding rod is fixedly installed inside the movable frame, the steel brush is slidably connected to the movable frame, the steel brush is slidably sleeved with the sliding rod, a spring is sleeved on the sliding rod, the two ends of the spring are fixedly connected to the steel brush and the movable frame respectively, and a cam is rotatably installed inside the movable frame, the cam being fitted with the steel brush.
[0012] This utility model provides a high-precision laser cutting device for precision parts, which has the following advantages:
[0013] (1) This utility model uses the synchronous outward movement of the two sets of first telescopic rods and second telescopic rods in the mounting rods on the mounting frame to drive the two sets of adjustment frames located on both sides to move outward synchronously. With the help of the cross-distributed connecting frames on the adjustment frame, the distance between multiple sets of adjustment frames is synchronously expanded, thereby expanding the distance between multiple sets of stainless steel sheets. Metal fragments left in the gaps between multiple sets of stainless steel sheets after laser cutting or those that have not fallen from the gaps fall out uniformly from the expanded gaps between adjacent stainless steel sheets, avoiding the residue of metal fragments, ensuring the cleanliness of the workbench, and preventing residual metal fragments from affecting the positioning accuracy and cutting accuracy of subsequent precision parts.
[0014] (2) This utility model uses a movable frame and an internal steel brush to clean impurities on the surface of stainless steel sheets, avoiding the hard adhesion of molten metal fragments caused by high laser temperature to the surface of stainless steel sheets during laser cutting, which is difficult to fall off on its own, thus avoiding affecting the service life of the worktable and the high-precision cutting of subsequent metal parts. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 2 This is a schematic diagram showing the separation of the workbench and mounting frame of this utility model;
[0017] Figure 3 For the present utility model Figure 2 Enlarged structural diagram at point A;
[0018] Figure 4 This is a schematic diagram showing the structural separation of the mounting bracket and the adjustment bracket of this utility model;
[0019] Figure 5 For the present utility model Figure 4 Enlarged structural diagram at point -B;
[0020] In the diagram: 1. Workbench; 2. Mounting frame; 3. Adjusting frame; 4. Stainless steel sheet; 5. Connecting rod; 6. Mounting rod; 7. First telescopic rod; 8. Second telescopic rod; 9. Double-acting screw; 10. Threaded pipe; 11. Keyway; 12. Key block; 13. First bevel gear; 14. Second bevel gear; 15. Moving frame; 16. Lead screw; 17. Steel brush; 18. Slide rod; 19. Spring; 20. Cam; 21. Base; 22. Laser cutting mechanism. Detailed Implementation
[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0022] This utility model provides a technical solution as follows: Figure 1 , Figure 4 and Figure 5As shown in this embodiment, a high-precision laser cutting device for precision parts includes a base 21 and a worktable 1. The worktable 1 is located inside the base 21, and a laser cutting mechanism 22 is provided on the base 21. Multiple sets of equidistantly distributed stainless steel sheets 4 are provided inside the worktable 1. A mounting frame 2 is fixedly installed inside the worktable 1. Multiple sets of equidistantly distributed adjusting frames 3 are slidably installed on the mounting frame 2. The stainless steel sheets 4 are correspondingly arranged with the adjusting frames 3 and are fixedly connected to their respective adjusting frames 3. A mounting rod 6 is fixedly installed on the mounting frame 2. Two sets of symmetrically distributed first telescopic rods 7 are slidably installed inside the mounting rod 6. Second telescopic rods 8 are slidably installed inside each of the two sets of first telescopic rods 7. The ends of the two sets of second telescopic rods 8 furthest from the mounting rod 6 are respectively connected to the two sets of adjusting frames 3 located on either side. A fixed connection is established. A movable frame 15 is slidably mounted on the workbench 1. A steel brush 17 is located below the movable frame 15, and the steel brush 17 is correspondingly arranged with multiple sets of stainless steel plates 4. The intermediate adjustment frame 3 is fixedly connected to the mounting frame 2. Two sets of cross-distributed connecting rods 5 are rotatably mounted on each of the multiple sets of adjustment frames 3. Both ends of the connecting rods 5 are rotatably connected to the connecting rods 5 on the adjacent adjustment frame 3 through rotating shafts. A bidirectional screw 9 is provided inside the mounting rod 6. The bidirectional screw 9 is rotatably connected to the mounting rod 6 through a bearing. A first bevel gear 13 is sleeved on the bidirectional screw 9. A second bevel gear 14 is rotatably mounted inside the mounting rod 6. The second bevel gear 14 meshes with the first bevel gear 13. Threaded tubes 10 are provided inside both sets of first telescopic rods 7. Both ends of the bidirectional screw 9 pass through the two sets of first telescopic rods respectively. 7 and are respectively threaded to the two sets of first telescopic rods 7. The threaded tube 10 is rotatably connected to the corresponding first telescopic rod 7 through the bearing. The threaded tube 10 passes through the corresponding second telescopic rod 8 and is threaded to the second telescopic rod 8. Two sets of symmetrically distributed keyways 11 are opened on the bidirectional screw 9. Two sets of symmetrically distributed key blocks 12 are provided in the threaded tube 10. The key blocks 12 are set corresponding to the keyways 11. Both sets of threaded tubes 10 are slidably sleeved with the bidirectional screw 9 through the key blocks 12. During the laser cutting process on the worktable 1, some metal fragments fall through the gap between adjacent stainless steel sheets 4, which is convenient for the staff to clean up. For larger metal fragments, the motor in the mounting rod 6 on the mounting bracket 2 drives the second bevel gear 14 to rotate, which cooperates with the first bevel gear 13 to realize Currently, regarding the drive of the bidirectional screw 9, when the bidirectional screw 9 rotates, under the limiting action of the mounting rod 6, the two sets of first telescopic rods 7 slide outward synchronously. The threaded tube 10 in the first telescopic rod 7 slides outward synchronously as well. During the sliding process of the threaded tube 10, due to the locking action of the keyway 11 and the key block 12, the threaded tube 10 rotates synchronously with the bidirectional screw 9. Then, under the limiting action of the first telescopic rod 7, the two sets of second telescopic rods 8 slide outward synchronously, pushing the two sets of adjusting frames 3 located on both sides outward synchronously. With the help of the connecting rods 5 that are cross-distributed on the adjusting frames 3, the spacing between multiple sets of adjusting frames 3 is adjusted synchronously, thereby realizing the expansion adjustment of the spacing between multiple sets of stainless steel sheets 4, so that some larger metal fragments fall between two adjacent sets of stainless steel sheets 4.To avoid the impact of residual metal fragments on the positioning and cutting accuracy of subsequent parts.
[0023] like Figure 2 and Figure 3 As shown, a lead screw 16 is installed inside the workbench 1. Both ends of the lead screw 16 pass through the workbench 1 and are rotatably connected to it via bearings. The lead screw 16 passes through the movable frame 15 and is threadedly connected to it. A slide rod 18 is fixedly installed inside the movable frame 15. A steel brush 17 is slidably connected to the movable frame 15 and slidably sleeved with the slide rod 18. A spring 19 is sleeved on the slide rod 18, and both ends of the spring 19 are fixedly connected to the steel brush 17 and the movable frame 15, respectively. A cam 20 is rotatably installed inside the movable frame 15, and the cam 20 is rotatably connected to the steel brush 17. 7. Fitting setting: During the rotation of the lead screw 16 on the worktable 1, the moving frame 15 causes the steel brush 17 to slide under the limiting action of the worktable 1. At the same time, during the sliding of the moving frame 15, the motor inside the moving frame 15 is activated to drive the cam 20 to rotate. During the rotation of the cam 20, it intermittently pushes the steel brush 17. With the help of the slide rod 18 and the spring 19, the steel brush 17 vibrates back and forth on the moving frame 15 and cleans the stainless steel sheet 4, so as to avoid the residual molten metal debris on the surface of the stainless steel sheet 4, which would affect the normal use of the worktable 1 in the future.
[0024] This utility model provides a high-precision laser cutting device for precision parts. The specific working principle is as follows: During laser cutting on the worktable 1, some metal fragments fall through the gaps between adjacent stainless steel sheets 4, facilitating unified cleaning by staff. For larger metal fragments, the motor in the mounting rod 6 on the mounting frame 2 drives the second bevel gear 14 to rotate, cooperating with the first bevel gear 13 to drive the bidirectional screw 9. When the bidirectional screw 9 rotates, under the limiting action of the mounting rod 6, the two sets of first telescopic rods 7 slide outwards synchronously, and the threaded tube 10 in the first telescopic rod 7 slides synchronously as well. During the sliding of the threaded tube 10, due to the locking action of the keyway 11 and the key block 12, the threaded tube 10 rotates synchronously with the bidirectional screw 9. Furthermore, under the limiting action of the first telescopic rod 7, the two sets of second telescopic rods 8 slide outwards synchronously, simultaneously adjusting the two sets of adjusting frames 3 located on both sides. Pushing outwards, the connecting rods 5 distributed across the adjustment frame 3 are used to synchronously adjust the spacing between multiple sets of adjustment frames 3, thereby expanding the spacing between multiple sets of stainless steel sheets 4. This allows some larger metal fragments to fall between adjacent sets of stainless steel sheets 4, avoiding the impact of residual metal fragments on the positioning and cutting accuracy of subsequent parts. During the rotation of the lead screw 16 on the worktable 1, the moving frame 15 drives the steel brush 17 to slide under the limiting action of the worktable 1. At the same time, during the sliding of the moving frame 15, the motor inside the moving frame 15 is activated to drive the cam 20 to rotate. During the rotation of the cam 20, it intermittently pushes the steel brush 17. With the help of the slide rod 18 and the spring 19, the steel brush 17 vibrates back and forth on the moving frame 15 and cleans the stainless steel sheets 4, preventing molten metal fragments from remaining on the surface of the stainless steel sheets 4 and affecting the normal use of the worktable 1.
[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A high-precision laser cutting device for precision parts, comprising a base (21) and a worktable (1), characterized in that: The workbench (1) is located in the base (21), the base (21) is provided with a laser cutting mechanism (22), a plurality of groups of equidistant distribution stainless steel sheets (4) are arranged in the workbench (1), the mounting frame (2) is fixedly installed in the workbench (1), a plurality of groups of equidistant distribution adjusting frames (3) are slidably installed on the mounting frame (2), the stainless steel sheet (4) is correspondingly arranged with the adjusting frame (3), the stainless steel sheet (4) is fixedly connected with the corresponding adjusting frame (3), the mounting rod (6) is fixedly installed on the mounting frame (2), two groups of symmetrically distributed first telescopic rods (7) are slidably installed in the mounting rod (6), the second telescopic rod (8) is slidably installed in the first telescopic rod (7), the second telescopic rod (8) is fixedly connected with the two groups of adjusting frames (3) on both sides, the moving frame (15) is slidably installed on the workbench (1), the steel brush (17) is arranged below the moving frame (15), the steel brush (17) is correspondingly arranged with a plurality of groups of stainless steel sheets (4), and the adjusting frame (3) and the mounting frame (2) are fixedly connected.
2. The high-precision laser cutting device for precision parts according to claim 1, characterized in that: A plurality of groups of adjusting frames (3) are rotatably installed on the adjusting frame (3), and two groups of cross-distributed connecting rods (5) are rotatably installed on the adjusting frame (3).
3. The high-precision laser cutting device for precision parts according to claim 1, characterized in that: The mounting rod (6) is provided with a bidirectional screw rod (9), the bidirectional screw rod (9) is rotatably connected with the mounting rod (6) through a bearing, the first bevel gear (13) is sleeved on the bidirectional screw rod (9), the second bevel gear (14) is rotatably installed in the mounting rod (6), the second bevel gear (14) is rotatably connected with the first bevel gear (13), and the first telescopic rod (7) is provided with a threaded pipe (10).
4. The high-precision laser cutting device for precision parts according to claim 3, characterized in that: The two ends of the bidirectional screw rod (9) penetrate through the two groups of first telescopic rods (7) and are threadedly connected with the two groups of first telescopic rods (7), the threaded pipe (10) is rotatably connected with the corresponding first telescopic rod (7) through a bearing, and the threaded pipe (10) penetrates through the corresponding second telescopic rod (8) and is threadedly connected with the second telescopic rod (8).
5. The high-precision laser cutting device for precise parts according to claim 3, characterized in that: The bidirectional screw rod (9) is provided with two groups of symmetrically distributed key grooves (11), the threaded pipe (10) is provided with two groups of symmetrically distributed key blocks (12), the key blocks (12) are correspondingly arranged with the key grooves (11), and the two groups of threaded pipes (10) are slidably sleeved with the bidirectional screw rod (9) through the key blocks (12).
6. The high-precision laser cutting device for precision parts according to claim 1, characterized in that: The workbench (1) is provided with a lead screw (16), the two ends of the lead screw (16) penetrate through the workbench (1) and are rotatably connected with the workbench (1) through a bearing, and the lead screw (16) penetrates through the moving frame (15) and is threadedly connected with the moving frame (15).
7. The high-precision laser cutting device for precision parts according to claim 1, characterized in that: The mobile frame (15) is fixedly provided with a sliding rod (18), the steel brush (17) is slidably connected with the mobile frame (15), the steel brush (17) is slidably sleeved with the sliding rod (18), the sliding rod (18) is sleeved with a spring (19), the two ends of the spring (19) are fixedly connected with the steel brush (17) and the mobile frame (15) respectively, and the mobile frame (15) is rotationally provided with a cam (20), and the cam (20) is abutted with the steel brush (17).