Multi-shaft combined machine tool

By using the limiting mechanisms of the first and second rotary wheels in a multi-axis machine tool, the tool offset problem caused by loose tool seat is solved, and the working stability of the tool is improved.

CN222643272UActive Publication Date: 2025-03-21SHINAGAWA PRECISION MASCH (ZHEJIANG) CO LTD
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Patent Information

Application Number
CN202420953804.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2025-03-21
Estimated Expiration
2034-05-06

AI Technical Summary

Technical Problem

When changing tools for multi-axis machine tools, the tool holder may become loose, causing tool offset and reducing working stability.

Method used

A multi-axis combined machine tool is designed, and the limiting mechanism of the first turntable and the second turntable is limited by the outer wall of the second turntable and the first arc-shaped surface to fix the first turntable to avoid its rotation, thereby ensuring the stable position of the tool.

Benefits of technology

It effectively avoids the position deviation of the tool during work and improves the stability of the tool's work.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multi-axis combined machine tool, which relates to the technical field of machine tools and comprises a machine tool body and a limiting mechanism, a cutter component is arranged in the machine tool body, and the limiting mechanism is arranged on one side of the cutter component and comprises a first turntable fixedly connected to the outer wall of the cutter component. A plurality of first arc-shaped surfaces are arranged on the outer wall of the first rotating disc, a second rotating disc is rotationally arranged above the first rotating disc, the outer wall of the second rotating disc is attached to the outer walls of the first arc-shaped surfaces, and a clamping mechanism is arranged between the second rotating disc and the first rotating disc. By means of the arrangement of the first rotating disc, the first arc-shaped face and the second rotating disc, the outer wall of the second rotating disc abuts against the outer wall of the first arc-shaped face for limiting, so that the first rotating disc cannot rotate, it is guaranteed that the cutter body can work stably, the phenomenon that the cutter body deviates in the working process is avoided, and the service life of the cutter body is prolonged. Therefore, the working stability of the cutter body is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of machine tools, in particular to a multi-axis combined machine tool. Background Art

[0002] Machine tools are machines used to manufacture machines and machinery.

[0003] Multi-axis machine tools are a common type of machine tool. The workpiece and tool on a multi-axis machine tool can cooperate not only to move in the X-axis, Y-axis and Z-axis directions, but also to move in other directions. The tools on the machine tool are generally installed directly on the tool holder, and generally multiple tools are installed on one tool holder. The tool holder can rotate, thereby realizing the tool changing function.

[0004] When a machine tool is changing tools, the tool holder is usually rotated directly. However, the direct rotation of the tool holder may cause the tool holder to become loose after being fixed, resulting in the tool being offset, thereby reducing the working stability of the tool. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-axis combined machine tool to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-axis combined machine tool, comprising:

[0007] A machine tool body, wherein a tool assembly is arranged inside the machine tool body;

[0008] A limiting mechanism is arranged on one side of the tool assembly, and is used to fix the position of the tool assembly. The limiting mechanism includes a first turntable fixedly connected to the outer wall of the tool assembly, and the outer wall of the first turntable is provided with a plurality of first curved surfaces, and a second turntable is rotatably arranged above the first turntable, and the outer wall of the second turntable is fitted with the outer wall of the first curved surface, and a clamping mechanism is arranged between the second turntable and the first turntable.

[0009] Preferably, the tool assembly comprises a tool holder, a plurality of tool bodies are mounted on one side of the tool holder, and the other side of the tool holder is fixedly connected to one side of the first turntable.

[0010] Preferably, the clamping mechanism includes a connecting plate fixedly arranged on one side of the second turntable, a clamping shaft is rotatably arranged on the end of the connecting plate, a plurality of clamping grooves are formed in a circular array on the outer wall of the first turntable, and a second arc-shaped surface is formed on the outer wall of the second turntable.

[0011] Preferably, a rotating hole is opened at the end of the connecting plate, a bearing is inserted into the inner wall of the rotating hole, and the clamping shaft is inserted into the inner wall of the bearing.

[0012] Preferably, a plurality of insertion holes are opened on one side of the connecting plate, and the inner walls of the plurality of insertion holes are movably connected with mounting bolts, and a plurality of threaded holes are opened on the side of the second turntable close to the connecting plate, and the outer walls of the plurality of mounting bolts are respectively threadedly connected with the inner walls of the plurality of threaded holes.

[0013] Preferably, a servo motor is installed inside the machine tool body, and a rotating shaft is provided at the output end of the servo motor, and one end of the rotating shaft is fixedly connected to the middle part of one side of the second turntable.

[0014] Technical effects and advantages of the utility model:

[0015] The utility model utilizes the arrangement of a first rotating disk, a first curved surface and a second rotating disk, and limits the outer wall of the second rotating disk against the outer wall of the first curved surface, so that the first rotating disk cannot rotate, thereby ensuring that the tool body can work stably, thereby avoiding the phenomenon of position deviation of the tool body during work, and improving the working stability of the tool body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 This is a front sectional structural diagram of the first turntable of the utility model.

[0018] Figure 3 This is a schematic diagram of the front structure of the first turntable of the utility model.

[0019] Figure 4 It is a front sectional structural schematic diagram of the connecting plate of the utility model.

[0020] In the figure: 101, machine tool body; 201, tool holder; 202, tool body; 301, first turntable; 302, first arc surface; 303, second turntable; 401, slot; 402, connecting plate; 403, clamping shaft; 404, second arc surface; 501, rotating hole; 502, bearing; 601, jack; 602, mounting bolt; 603, threaded hole; 701, servo motor; 702, rotating shaft. DETAILED DESCRIPTION

[0021] 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.

[0022] The utility model provides Figure 1-4 A multi-axis combined machine tool shown in the figure includes a machine tool body 101 and a limiting mechanism. A tool assembly is arranged inside the machine tool body 101, wherein the tool assembly includes a tool holder 201, and a plurality of tool bodies 202 are installed on one side of the tool holder 201. The other side of the tool holder 201 is fixedly connected to one side of a first turntable 301. A clamping assembly for clamping a workpiece is also arranged inside the machine tool body 101. The clamping assembly and the tool assembly can perform multi-axis work relative to each other. At the same time, the position of the tool body 202 can be adjusted by rotating the tool holder 201, so that the required tool body 202 can be selected for use, and the plurality of tool bodies 202 are arranged in a circular array. In the embodiment, the number of the tool bodies 202 is set to four, and the tool body 202 can be replaced every time the tool holder 201 rotates 90°.

[0023] In a preferred embodiment, a limiting mechanism is arranged on one side of the tool assembly, and the limiting mechanism is used to fix the position of the tool assembly. The limiting mechanism includes a first turntable 301 fixedly connected to the outer wall of the tool assembly, and the outer wall of the first turntable 301 is provided with multiple first curved surfaces 302. A second turntable 303 is rotatably arranged above the first turntable 301, and the outer wall of the second turntable 303 is arranged to fit the outer wall of the first curved surface 302. A clamping mechanism is arranged between the second turntable 303 and the first turntable 301, and the outer wall of the second turntable 303 is pressed against the outer wall of the first curved surface 302 for limiting, so that the first turntable 301 cannot rotate, thereby ensuring that the tool body 202 can work stably, thereby avoiding the phenomenon of position displacement of the tool body 202 during work, and improving the working stability of the tool body 202.

[0024] The clamping mechanism includes a connecting plate 402 fixedly arranged on one side of the second rotating disk 303, and a clamping shaft 403 is rotatably arranged on the end of the connecting plate 402. The outer wall of the first rotating disk 301 is provided with a plurality of clamping grooves 401 in a ring array, and the outer wall of the second rotating disk 303 is provided with a second arc surface 404. The second rotating disk 303 rotates, and the second rotating disk 303 rotates to drive the connecting plate 402 to rotate, and the connecting plate 402 rotates to drive the clamping shaft 403 to rotate until the clamping shaft 403 is clamped into the corresponding clamping groove 401. At this time, the second rotating disk 303 continues to rotate, which can drive the first rotating disk 301 to rotate. During the rotation of the first rotating disk 301, the convex part of the outer wall of the first rotating disk 301 will be inserted into the second arc surface 404 until the clamping shaft 403 is separated from the clamping groove 401. At this time, the first rotating disk 301 completes a 90° rotation. When the tool body 202 is replaced once, the adjustment of the tool body 202 is completed once. At this time, the outer wall of the second turntable 303 again presses against the corresponding first curved surface 302, so that the outer wall of the second turntable 303 and the first curved surface 302 are limited, so that the first turntable 301 remains stable, that is, during one replacement of the tool body 202, the second turntable 303 rotates 360°, driving the first turntable 301 to rotate 90°. After one replacement of the tool body 202 is completed, even if the second turntable 303 is offset, because the second curved surface 404 is far away from the first curved surface 302, the offset of the second turntable 303 will not affect the first turntable 301, so that the first turntable 301 will not rotate automatically, so that the position of the tool holder 201 remains fixed, thereby improving the working stability of the tool body 202.

[0025] Among them, a rotating hole 501 is opened at the end of the connecting plate 402, and a bearing 502 is inserted into the inner wall of the rotating hole 501. The clamping shaft 403 is inserted into the inner wall of the bearing 502. Through the setting of the bearing 502, the clamping shaft 403 can rotate in the rotating hole 501, so that the clamping shaft 403 can move more smoothly after being inserted into the clamping slot 401, thereby improving the smoothness of the operation of the clamping mechanism.

[0026] Among them, a plurality of sockets 601 are opened on one side of the connecting plate 402, and the inner walls of the plurality of sockets 601 are movably connected with mounting bolts 602. A plurality of threaded holes 603 are opened on the side of the second turntable 303 close to the connecting plate 402. The outer walls of the plurality of mounting bolts 602 are respectively threadedly connected with the inner walls of the plurality of threaded holes 603. The mounting bolts 602 pass through the sockets 601 and are screwed into the threaded holes 603, so that the connecting plate 402 and the second turntable 303 can be fixed, thereby improving the working stability of the clamping shaft 403, so that the second turntable 303 can stably drive the clamping shaft 403 to rotate and clamp into the clamping slot 401, thereby improving the working stability of the clamping mechanism.

[0027] Among them, a servo motor 701 is installed inside the machine tool body 101, and a rotating shaft 702 is arranged on the output end transmission of the servo motor 701. One end of the rotating shaft 702 is fixedly connected to the middle part of one side of the second turntable 303. The servo motor 701 can drive the rotating shaft 702 to rotate, and the rotation of the rotating shaft 702 can drive the second turntable 303 to rotate, so that the first turntable 301 can be rotated to replace the tool body 202, thereby improving the convenience of replacing the tool body 202. The servo motor 701 is electrically connected to the external power supply through an external switch, which is convenient for the operator to control the servo motor 701, thereby improving the safety and convenience of operating the servo motor 701.

[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 multi-axis combined machine tool, characterized in that: include: A machine tool body (101), wherein a tool assembly is arranged inside the machine tool body (101); A limiting mechanism is arranged on one side of the tool assembly, and is used to fix the position of the tool assembly. The limiting mechanism includes a first turntable (301) fixedly connected to the outer wall of the tool assembly, the outer wall of the first turntable (301) is provided with a plurality of first arcuate surfaces (302), a second turntable (303) is rotatably arranged above the first turntable (301), the outer wall of the second turntable (303) is arranged to fit the outer wall of the first arcuate surface (302), and a clamping mechanism is arranged between the second turntable (303) and the first turntable (301).

2. A multi-axis combined machine tool according to claim 1, characterized in that: The tool assembly comprises a tool holder (201), a plurality of tool bodies (202) are mounted on one side of the tool holder (201), and the other side of the tool holder (201) is fixedly connected to one side of the first rotating disk (301).

3. The multi-axis combined machine tool according to claim 1, characterized in that: The clamping mechanism comprises a connecting plate (402) fixedly arranged on one side of the second rotating disk (303); a clamping shaft (403) is rotatably arranged at the end of the connecting plate (402); a plurality of clamping grooves (401) are formed in a circular array on the outer wall of the first rotating disk (301); and a second arc-shaped surface (404) is formed on the outer wall of the second rotating disk (303).

4. A multi-axis combined machine tool according to claim 3, characterized in that: A rotating hole (501) is provided at the end of the connecting plate (402), a bearing (502) is inserted through the inner wall of the rotating hole (501), and the clamping shaft (403) is inserted through the inner wall of the bearing (502).

5. The multi-axis combined machine tool according to claim 3, characterized in that: A plurality of insertion holes (601) are provided on one side of the connecting plate (402), and the inner walls of the plurality of insertion holes (601) are movably connected with mounting bolts (602). A plurality of threaded holes (603) are provided on one side of the second turntable (303) close to the connecting plate (402), and the outer walls of the plurality of mounting bolts (602) are respectively threadedly connected with the inner walls of the plurality of threaded holes (603).

6. The multi-axis combined machine tool according to claim 1, characterized in that: A servo motor (701) is installed inside the machine tool body (101), and a rotating shaft (702) is provided at the output end of the servo motor (701), and one end of the rotating shaft (702) is fixedly connected to the middle part of one side of the second rotating disk (303).