Cutting tool capable of machining curved surface
By designing a detachable ball cutting head and limiting mechanism in the cutting tool, the problem of cumbersome tool changing steps in the prior art is solved, and the rapid exchange of cutting heads of different diameters is achieved, and the efficiency of curved surface processing is improved.
Patent Information
- Application Number
- CN202421109542.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-21
AI Technical Summary
After using large-diameter ball knife for thickening, existing cutting tools that can be curved can be removed and reinstalled for refining, resulting in cumbersome tool changing steps and reducing the efficiency of curved processing.
A cutting tool including a tool rod, a rotating bar, a rotating bar, a first ball blade and a second ball blade blade is designed, and by providing a limiting mechanism on the rear side of the tool rod, the baffle is allowed to move to remove the rotating bar The limit of the positioning is achieved, thereby achieving rapid exchange of the first ball cutting head and the second ball cutting head, avoiding tool disassembly and replacement.
It realizes rapid switching of spherical cutting parts of different diameters, without disassembling tools, and improves the efficiency of curved surface processing.
Smart Images

Figure CN222269355U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cutting tools, in particular to a cutting tool capable of processing curved surfaces. Background Art
[0002] For complex curved surface molds with a large number of flat surfaces, their structural features are complex and the amount of material removal is large. The tools generally used are mostly standard ball milling cutters. After using a large-diameter ball cutter for roughing, the large-diameter ball cutter needs to be disassembled and then reinstalled with a small-diameter ball cutter for finishing. The tool changing steps are cumbersome and time-consuming, thus reducing the efficiency of surface processing. Utility Model Content
[0003] In view of the above problems existing in the existing cutting tools capable of processing curved surfaces, the present utility model is proposed.
[0004] Therefore, the purpose of the utility model is to provide a cutting tool that can process curved surfaces, which solves the problem that most of the cutting tools that can process curved surfaces in the prior art are standard ball milling cutters. After using a large-diameter ball cutter for roughing work, the large-diameter ball cutter needs to be disassembled and then a small-diameter ball cutter needs to be reinstalled for finishing work. The tool changing steps are cumbersome and time-consuming, thus reducing the efficiency of curved surface processing.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A cutting tool capable of processing curved surfaces comprises a tool rod and a rotating bar, wherein a groove is provided at the lower end of the tool rod, a rotating bar is rotatably provided inside the groove, the rotating bar is fixedly sleeved on the rod wall of the rotating bar, a first spherical cutter head and a second spherical cutter head are fixedly installed at both ends of the rotating bar, through grooves are provided at the rear side of the groove and on both sides of the rotating bar, baffles are slidably provided inside the two through grooves, the front end of the baffles is in conflict with the side wall of the rotating bar, and a limiting mechanism for limiting the movement of the two baffles is provided on the rear side of the tool rod.
[0007] Preferably, the limiting mechanism includes a limiting plate and a limiting shell, the limiting plate is arranged on the rear side of the knife rod, the rear ends of the two baffles are fixedly connected to the limiting plate, the two limiting shells are arranged on both sides of the limiting plate, one side of the limiting shell is fixedly connected to the outer wall of the knife rod, a slider is slidably provided inside the limiting shell, an insertion rod is fixedly provided on the side of the slider close to the limiting plate, and holes are opened on both sides of the limiting plate, one end of the insertion rod extends to the outside of the fixed shell and is plugged into the corresponding hole.
[0008] Preferably, a spring is fixedly provided on a side of the sliding block away from the insertion rod, and the other end of the spring is fixedly connected to the inner wall of the limiting shell.
[0009] Preferably, the cross sections of the sliding block and the fixed shell are both rectangular.
[0010] Preferably, the first spherical cutter head, the second spherical cutter head and the rotating bar are all detachable.
[0011] Preferably, one side of the limiting plate is in conflict with the outer wall of the knife rod.
[0012] In the above technical solution, the technical effects and advantages provided by the utility model are:
[0013] The utility model releases the limit of the limit plate by pulling the insertion rods on both sides out of the corresponding insertion holes, and then pulls the limit plate to make the two baffles move away from the two sides of the rotating bar, so that the limit of the rotating bar can be released, and the rotating bar can be rotated with the rotating rod as the axis, so that the first spherical cutter head and the second spherical cutter head on both sides can be exchanged, that is, the spherical cutting parts of different diameters can be quickly switched, and there is no need to disassemble and replace the tool, thereby improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
[0015] Figure 1 This is a schematic structural diagram of a cutting tool capable of curved surface processing proposed by the utility model;
[0016] Figure 2 for Figure 1 A rear view structural diagram of ;
[0017] Figure 3 for Figure 2 A schematic diagram of the structure of the local A part;
[0018] Figure 4 for Figure 1 Middle baffle and Figure 2 A three-dimensional diagram of the connection structure of the middle limit plate.
[0019] Description of reference numerals:
[0020] 1. Cutter bar; 2. Rotating rod; 3. Rotating bar; 4. First spherical cutter head; 5. Second spherical cutter head; 6. Baffle plate; 7. Limiting shell; 8. Sliding block; 9. Spring; 10. Inserting rod; 11. Limiting plate. DETAILED DESCRIPTION
[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0022] The utility model embodiment discloses a cutting tool capable of processing curved surfaces.
[0023] Embodiment 1
[0024] Reference Figure 1-4 A cutting tool capable of processing curved surfaces comprises a tool rod 1 and a rotating bar 3. A groove is provided at the lower end of the tool rod 1. A rotating bar 2 is rotatably provided inside the groove. The rotating bar 3 is fixedly sleeved on the rod wall of the rotating bar 2. A first spherical cutter head 4 and a second spherical cutter head 5 are fixedly installed at both ends of the rotating bar 3 respectively. The first spherical cutter head 4 and the second spherical cutter head 5 and the rotating bar 3 are both detachable, which is convenient for replacing the first spherical cutter head 4 and the second spherical cutter head 5. Through grooves are provided on the rear side of the groove and on both sides of the rotating bar 3. Baffles 6 are slidably provided inside the two through grooves. The front end of the baffle 6 conflicts with the side wall of the rotating bar 3.
[0025] Embodiment 2
[0026] Reference Figure 1-4 A limiting mechanism for limiting the movement of the two baffles 6 is provided on the rear side of the knife rod 1, and the limiting mechanism includes a limiting plate 11 and a limiting shell 7. The limiting plate 11 is provided on the rear side of the knife rod 1, and the rear ends of the two baffles 6 are fixedly connected to the limiting plate 11. One side of the limiting plate 11 conflicts with the outer wall of the knife rod 1, so that the limiting plate 11 can stably limit the two baffles 6. The two limiting shells 7 are provided on both sides of the limiting plate 11, and one side of the limiting shell 7 is fixedly connected to the outer wall of the knife rod 1. A slider 8 is provided inside the limiting shell 7 for sliding. A plug rod 10 is fixedly provided on one side of the slider 8 close to the limiting plate 11. Plug holes are provided on both sides of the limiting plate 11, and one end of the plug rod 10 extends to the outside of the fixed shell and is plugged into the corresponding plug hole.
[0027] Embodiment 3
[0028] Reference Figure 1-4 A spring 9 is fixedly provided on one side of the slider 8 away from the insertion rod 10, and the other end of the spring 9 is fixedly connected to the inner wall of the limiting shell 7, so that the insertion rod 10 and the socket are more firmly connected. The cross-sections of the slider 8 and the fixed shell are both rectangular, so that the slider 8 cannot rotate, that is, it can slide stably.
[0029] In the utility model, when in use, first use a large-diameter ball-end cutter to roughen, then pull the insertion rods 10 on both sides out of the corresponding insertion holes, that is, release the limit on the limit plate 11, and then pull the limit plate 11 to make the two baffles 6 move away from the two sides of the rotating bar 3, that is, the limit on the rotating bar 3 can be released, and the rotating bar 3 is rotated with the rotating rod 2 as the axis, that is, the first spherical cutter head 4 and the second spherical cutter head 5 on both sides can be exchanged, that is, the spherical cutting parts of different diameters can be quickly switched, and the tool does not need to be disassembled and replaced, thereby improving the processing efficiency.
[0030] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A cutting tool capable of processing curved surfaces, comprising a tool bar (1) and a rotating bar (3), characterized in that: The lower end of the knife rod (1) is provided with a groove, the inner side of the groove is rotatably provided with a rotating rod (2), the rotating bar (3) is fixedly sleeved on the rod wall of the rotating rod (2), and the two ends of the rotating bar (3) are respectively fixedly installed with a first spherical knife head (4) and a second spherical knife head (5), and the rear side of the groove and the two sides of the rotating bar (3) are provided with through grooves, and baffles (6) are slidably provided inside the two through grooves, and the front end of the baffles (6) is in contact with the side wall of the rotating bar (3), and the rear side of the knife rod (1) is provided with a limiting mechanism for limiting the movement of the two baffles (6).
2. The cutting tool capable of processing curved surfaces according to claim 1, characterized in that: The limiting mechanism comprises a limiting plate (11) and a limiting shell (7), wherein the limiting plate (11) is arranged at the rear side of the knife rod (1), the rear ends of the two baffles (6) are fixedly connected to the limiting plate (11), the two limiting shells (7) are arranged on both sides of the limiting plate (11), one side of the limiting shell (7) is fixedly connected to the outer wall of the knife rod (1), a slider (8) is slidably arranged inside the limiting shell (7), an insertion rod (10) is fixedly arranged on the side of the slider (8) close to the limiting plate (11), and insertion holes are provided on both sides of the limiting plate (11), and one end of the insertion rod (10) extends to the outside of the fixed shell and is plugged into the corresponding insertion hole.
3. The cutting tool capable of processing curved surfaces according to claim 2, characterized in that: A spring (9) is fixedly arranged on the side of the sliding block (8) away from the insertion rod (10), and the other end of the spring (9) is fixedly connected to the inner wall of the limiting shell (7).
4. The cutting tool capable of processing curved surfaces according to claim 2, characterized in that: The cross sections of the sliding block (8) and the fixed shell are both rectangular.
5. The cutting tool capable of processing curved surfaces according to claim 1, characterized in that: The first spherical cutter head (4), the second spherical cutter head (5) and the rotating bar (3) are all designed to be detachable.
6. The cutting tool capable of processing curved surfaces according to claim 2, characterized in that: One side of the limiting plate (11) is in contact with the outer wall of the knife rod (1).