Spinning numerical control machine tool
By adopting a combined structure of inner tube wheel and outer wheel in a spinning CNC machine tool, the problem that the inner wall of the workpiece cannot be guaranteed after the molding of the existing spinning equipment is solved, and efficient molding of the inner and outer walls of the workpiece is achieved.
Patent Information
- Application Number
- CN202421026254.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-13
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-05-13
AI Technical Summary
After external spinning processing, the diameter of the molded workpiece is small in the middle and the diameter of both ends is large, resulting in the inability to install molds inside the workpiece and the flatness and finish of the inner wall cannot be guaranteed.
A spinning CNC machine tool is designed, adopting a combined structure of inner tube wheel and outer wheel. The inner tube wheel is inserted into the workpiece, and the outer wheel presses the outer wall of the workpiece, so that the flatness and finish of the inner and outer walls of the workpiece are achieved through synchronous movement.
Through the synchronous movement of the inner tube wheel and the outer wheel, the flatness and finish of the inner and outer walls of the workpiece can be effectively ensured, solving the problem that the mold cannot be installed on the inner wall of the workpiece after forming.
Smart Images
Figure CN222625902U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of spinning equipment, in particular to a spinning CNC machine tool. Background Art
[0002] Spinning is to fix a flat plate or cylinder on the mold of the spinning machine. When the flat plate or cylinder rotates with the main axis of the machine tool, a wheel or a driving rod is used to pressurize the flat plate or cylinder to produce local plastic deformation. Under the combined action of the feeding motion of the wheel and the rotation motion of the workpiece, the local plastic deformation is gradually extended to the entire surface of the workpiece to complete the spinning process of the workpiece. When the spinning equipment of the prior art performs external spinning (i.e., the outside of the workpiece is subjected to force and thus concave inward), if the diameter of the middle part of the formed workpiece is small and the diameters of both ends are large, or it is similar to a candied haws with openings at both ends, or the diameters of the parts after spinning are the same, then the mold cannot be set inside the workpiece to make the workpiece attached to the mold (because it is difficult to remove the formed workpiece from the mold), so the flatness and smoothness of the inner wall of the workpiece cannot be guaranteed. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a spinning CNC machine tool in view of the above-mentioned technical deficiencies.
[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a spinning CNC machine tool, including a headstock and a controller, a base is arranged on one side of the headstock, a chuck and a power device for driving the chuck to rotate are arranged on the headstock, a first feeding mechanism is arranged on the base, an outer wheel or an outer roller is rotatably connected to the first feeding mechanism and the outer wheel or the outer roller can be driven to move along the X-axis and Y-axis directions, a tire wheel feeding mechanism is arranged on the base, a tire wheel axle is arranged on the side of the tire wheel feeding mechanism close to the headstock, the tire wheel feeding mechanism can drive the tire wheel axle to move along the X-axis and Y-axis directions, an inner tube wheel is rotatably connected to the end of the tire wheel axle close to the headstock, the outer diameter of the inner tube wheel at the maximum point is smaller than the minimum inner diameter of the workpiece after forming, and the inner tube wheel and the outer wheel have the same position on the Y-axis.
[0005] To further optimize the technical solution, a second feeding mechanism is also provided on the base, and an outer wheel or an outer roller is rotatably connected to the second feeding mechanism and can drive the outer wheel or the outer roller to move along the X-axis and Y-axis directions.
[0006] Compared with the prior art, the utility model has the following advantages: when performing spinning processing, the inner tube wheel is located inside the workpiece, and the outer wheel is located outside the workpiece. Both wheels simultaneously press against the inner and outer walls of a certain position of the workpiece and move synchronously, so that the inner and outer walls of the workpiece have better flatness and smoothness. BRIEF DESCRIPTION OF THE DRAWINGS
[0007] Figure 1 It is a structural schematic diagram of a spinning CNC machine tool.
[0008] In the figure: 1, headstock; 2, workpiece; 3, first feeding mechanism; 4, tire wheel shaft; 5, tire wheel feeding mechanism; 6, base; 7, outer wheel; 8, second feeding mechanism. DETAILED DESCRIPTION
[0009] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.
[0010] Specific implementation method: Combination Figure 1 As shown, a spinning CNC machine tool includes a headstock 1 and a controller, a base 6 is provided on one side of the headstock 1, a chuck and a power device for driving the chuck to rotate are provided on the headstock 1, and the chuck can clamp the workpiece 2. A first feeding mechanism 3 is provided on the base 6, and an outer wheel 7 or an outer roller is rotatably connected to the first feeding mechanism 3 and can drive the outer wheel 7 or the outer roller to move along the X-axis and Y-axis directions. The first feeding mechanism 3 includes a large carriage that can move along the X-axis direction, a nut is provided on the large carriage, and the nut is connected to a lead screw provided on one side of the base 6, a middle carriage that can move along the Y-axis is provided on the large carriage, a nut is provided on the middle carriage, and the nut is connected to a lead screw provided on the large carriage, and the outer wheel 7 or the outer roller is rotatably connected to the middle carriage, wherein the X-axis is parallel to the axis direction of the chuck, and the Y-axis is perpendicular to the axis direction of the chuck. The outer wheel 7 has a large diameter in the middle and a small diameter on both sides, and the outer roller is cylindrical or cylindrical, and the outer wheel 7 or the outer roller can be installed according to needs. A tire wheel feeding mechanism 5 is arranged on the base 6, and a tire wheel shaft 4 is arranged on the side of the tire wheel feeding mechanism 5 close to the headstock 1. The tire wheel feeding mechanism 5 can drive the tire wheel shaft 4 to move along the X-axis and Y-axis directions. The tire wheel feeding mechanism 5 also includes a large slide plate that can move along the X-axis and a middle slide plate that can move along the Y-axis. The tire wheel shaft 4 is installed on the middle slide plate, and an inner tube wheel is rotatably connected to one end of the tire wheel shaft 4 close to the headstock 1. The inner tube wheel has a large diameter in the middle and small diameters on both sides. The outer diameter of the inner tube wheel at the largest point is smaller than the minimum inner diameter of the workpiece 2 after forming, so that it can be withdrawn from the workpiece 2 after spinning is completed. The inner tube wheel and the outer wheel 7 have the same position on the Y-axis, and the axes of the two are parallel and on the same horizontal plane as the axis of the chuck, so that the two can each press against the inner and outer walls of a certain position of the workpiece 2 at the same time.
[0011] Furthermore, the base 6 is also provided with a second feeding mechanism 8, on which an outer wheel 7 or an outer roller is rotatably connected and can drive the outer wheel 7 or the outer roller to move along the X-axis and Y-axis directions. The structure of the second feeding mechanism 8 is the same as that of the first feeding mechanism 3 and both are located on both sides of the workpiece 2, and the second feeding mechanism 8 and the outer wheels 7 on the first feeding mechanism 3 are located at the same position on the Y-axis. The two outer wheels 7 are symmetrically arranged about the axis of the workpiece 2, so that the workpiece 2 rotates more smoothly during spinning.
[0012] When in use, the inner tube wheel is inserted into the cylindrical workpiece 2 and pressed against its inner wall, and the outer wheel 7 is pressed against the outer wall of the workpiece 2. When the workpiece 2 rotates, the outer wheel 7 and the inner tube wheel are driven to rotate. The first feeding mechanism 3, the second feeding mechanism 8 and the tire wheel feeding mechanism 5 are controlled to move by the controller to perform spin forming on the workpiece 2. During shrinkage (external spinning), when the outer wheel 7 moves toward the axial direction of the workpiece 2, the inner tube wheel also moves synchronously toward the axial direction of the workpiece 2 (at this time, the outer wheel 7 and the inner tube wheel also move along the X-axis at the same time). The outer wheel 7 plays a processing role, and the inner tube wheel plays an auxiliary correction and finishing role (making the inner wall of the workpiece 2 have better flatness and finish), so that the inner and outer walls of the workpiece 2 have better flatness and finish; when the pressure is released (internal spinning), when the inner tube wheel moves away from the axis of the workpiece 2, the two outer wheels 7 also move away from the axis of the workpiece 2 synchronously. At this time, the inner tube wheel plays a processing role, and the outer wheel 7 plays an auxiliary correction and finishing role, so that the inner and outer walls of the workpiece 2 have better flatness and finish. When the diameter of the spinning part of the formed workpiece 2 is the same, the outer wheel 7 can be replaced with an outer roller, and the inner tube wheel can also be replaced with an inner tube roller. The diameter of the inner tube roller is smaller than the minimum inner diameter of the workpiece 2 after forming, so that it can be withdrawn from the workpiece 2 after spinning.
[0013] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.
Claims
1. A CNC spinning machine tool, comprising a headstock (1) and a controller, wherein a base (6) is arranged on one side of the headstock (1), and a chuck and a power device for driving the chuck to rotate are arranged on the headstock (1), characterized in that: The base (6) is provided with a first feeding mechanism (3), the first feeding mechanism (3) being rotatably connected to an outer wheel (7) or an outer roller and being capable of driving the outer wheel (7) or the outer roller to move along the X-axis and Y-axis directions; the base (6) is provided with a tire wheel feeding mechanism (5), a tire wheel shaft (4) being provided on a side of the tire wheel feeding mechanism (5) close to the headstock (1), the tire wheel feeding mechanism (5) being capable of driving the tire wheel shaft (4) to move along the X-axis and Y-axis directions; an inner tire wheel being rotatably connected to an end of the tire wheel shaft (4) close to the headstock (1), the outer diameter of the inner tire wheel at its maximum point being smaller than the minimum inner diameter of the workpiece after forming, and the inner tire wheel and the outer wheel (7) being located at the same position on the Y-axis.
2. A spinning CNC machine tool according to claim 1, characterized in that: The base (6) is also provided with a second feeding mechanism (8), and the second feeding mechanism (8) is rotatably connected to an outer wheel (7) or an outer roller and can drive the outer wheel (7) or the outer roller to move along the X-axis and Y-axis directions.