Rotary tool rest structure of numerically controlled lathe

Abstract

The utility model discloses a numerical control lathe rotary knife rest structure, which comprises a knife rest main body, a rotary knife holder, auxiliary knife heads and main knife heads, the outer side of the knife rest main body is provided with a plurality of main knife heads, the main knife heads are connected with the rotary knife holder, the knife rest main body is rotatably connected with a bearing frame through a rotating shaft, the bottom of the bearing frame is provided with a guide frame, and the guide frame is connected with the rotary knife holder. And the guide frame is connected with the guide rail plate. The tool rest is provided with the tool rest body, the main tool bits are arranged on the outer side of the tool rest body, the first installation openings are formed in the ends of the main tool bits, different numbers of tools can be installed through the multiple main tool bits, the tool rest body is rotationally connected with the bearing frame through the rotating shaft, and the first motor is arranged in the middle of the bearing frame. And the first motor can drive the tool rest body to steer, use is flexible, and automatic tool switching can be conveniently carried out. A rotary tool apron capable of being manually and rotatably controlled is arranged on a main tool bit, and four auxiliary tool bits are arranged on the outer side of the rotary tool apron.

Description

Technical Field

[0001] The utility model relates to the field related to rotary tool rest structures, in particular to a rotary tool rest structure for a numerically controlled lathe. Background Art

[0002] The rotary tool post structure of the CNC lathe is used to install the tool and can control the rotation of the tool. The CNC lathe, that is, the lathe controlled by a computer, is an efficient automated equipment that automatically processes the workpiece according to the pre-programmed CNC program.

[0003] For example, the authorized patent with publication number CN219443459U (CNC lathe spherical rotary tool holder): includes a spherical rotary mechanism, a servo motor located on one side of the spherical rotary mechanism, a rotary tool holder located above the spherical rotary mechanism, a turning tool located on the rotary tool holder, and a spherical size adjustment knob located between the rotary tool holder and the spherical rotary mechanism. The beneficial effects of the utility model are as follows: the CNC lathe spherical rotary tool holder greatly improves the accuracy of the ball diameter and sphericity of the sphere machining by the CNC lathe relying solely on the position movement of the X / Y axis slide. Moreover, the rotary mechanism can accurately rotate 300°, so that two or more spheres can be accurately machined on a dual-spindle lathe, thereby greatly improving the precision machining performance of traditional CNC lathes.

[0004] The above-mentioned prior art cannot install multiple different tools and cannot perform automatic rotation control, is not flexible enough to use, and has a single tool switching method, cannot perform secondary tool switching on each different tool head, and is not versatile enough. Utility Model Content

[0005] The purpose of the present utility model is to provide a rotary tool holder structure for a CNC lathe to solve the problems raised in the above-mentioned background technology, such as the inability to install multiple different tools, the inability to perform automatic rotation control, the lack of flexibility in use, the single tool switching method, the inability to perform secondary tool switching on each different tool head, and the lack of versatility.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a rotary tool holder structure for a CNC lathe, comprising a tool holder body, a rotary tool seat, an auxiliary tool head and a main tool head, a plurality of main tool heads being provided on the outside of the tool holder body, a rotary tool seat being provided on the main tool head for connection, the tool holder body being rotatably connected to the bearing frame via a rotating shaft, a guide frame being provided at the bottom of the bearing frame, and the guide frame being connected to the guide rail plate.

[0007] In a further embodiment, a rotary tool holder is provided on the outer side of the main cutting head, a first mounting port is provided at the port of the main cutting head, and a connecting shaft is provided at one end of the main cutting head.

[0008] In a further embodiment, four second motors are provided inside the tool holder body, and the output shafts of the second motors are connected to the ends of the connecting shafts.

[0009] In a further embodiment, a first motor is provided in the middle portion of the inner side of the bearing frame, and an output shaft of the first motor is rotatably connected to the rotating shaft.

[0010] In a further embodiment, a plurality of auxiliary cutting heads are provided on the outer side of the rotary tool holder, and a second mounting opening is provided in the middle of the auxiliary cutting heads.

[0011] In a further embodiment, a self-locking shaft opening is provided in the middle of the rotary tool holder, and the rotary tool holder is rotatably connected to the main cutting head through the self-locking shaft opening.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model is provided with a tool holder main body, main cutting heads are provided on the outside of the tool holder main body, and a first mounting port is provided at the end of the main cutting head. Different numbers of cutting tools can be installed through multiple main cutting heads, and the tool holder main body is rotatably connected to the bearing frame through a rotating shaft. A first motor is provided in the middle of the bearing frame, and the tool holder main body can be driven to turn by the first motor. It is more flexible to use and makes it convenient to automatically change the tool.

[0014] 2. The main cutting head of the utility model is provided with a rotary tool holder that can be manually rotated and controlled. Four auxiliary cutting heads are provided on the outside of the rotary tool holder. Cutting tools can be installed through the auxiliary cutting heads, so that the cutting tools can be switched according to needs. In combination with the main cutting head, the types and sizes of installed cutting tools are greatly improved, and the versatility is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of a rotary tool holder structure for a CNC lathe according to the present invention;

[0016] Figure 2 This is a top view of the tool holder body of the utility model;

[0017] Figure 3 This is a top view of the main cutting head of the utility model;

[0018] Figure 4 This is a structural diagram of part A of the utility model.

[0019] In the figure: 1. Tool holder body; 2. Rotary tool holder; 3. Rotating shaft; 4. Bearing frame; 5. First motor; 6. Guide frame; 7. Guide plate; 8. Auxiliary tool head; 9. First mounting port; 10. Connecting shaft; 11. Second mounting port; 12. Second motor; 13. Main tool head. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] See also Figure 1-4 The present invention provides an embodiment of a rotary tool holder structure for a CNC lathe, comprising a tool holder body 1, a rotary tool holder 2, an auxiliary tool head 8 and a main tool head 13. A plurality of main tool heads 13 are provided on the outside of the tool holder body 1, and a rotary tool holder 2 is provided on the main tool head 13 for connection. The tool holder body 1 is rotatably connected to the bearing frame 4 through a rotating shaft 3. A guide frame 6 is provided at the bottom of the bearing frame 4, and the guide frame 6 is connected to the guide rail plate 7. A first motor 5 is provided in the middle part of the inner side of the bearing frame 4, and the output shaft of the first motor 5 is rotatably connected to the rotating shaft 3. The rotating shaft 3 is driven by the first motor 5 to rotate, so that it drives the tool holder body 1 to turn; the main tool is installed through the main tool head 13, and the rotating shaft 3 can drive the tool holder body 1 to rotate, so that the tool holder body 1 drives the main tool head 13 to convert, and the rotary tool holder 2 is used to control the steering of the auxiliary tool head 8 thereon, and the tool holder body 1 can be driven to move laterally on the guide rail plate 7 through the guide frame 6.

[0022] A rotary tool holder 2 is provided on the outside of the main cutting head 13, a first mounting port 9 is provided at the port of the main cutting head 13, and a connecting shaft 10 is provided at one end of the main cutting head 13. The first mounting port 9 facilitates the installation of the tool, and the main cutting head 13 can be controlled to rotate through the connecting shaft 10; four second motors 12 are provided inside the tool holder body 1, and the output shaft of the second motor 12 is connected to the end of the connecting shaft 10, and the main cutting head 13 can be controlled to rotate automatically through the second motor 12.

[0023] A plurality of auxiliary cutting heads 8 are provided on the outer side of the rotary tool holder 2, and a second mounting port 11 is provided in the middle of the auxiliary cutting head 8, which is used to assist in installing cutting tools and can switch between multiple tools; a self-locking shaft port is provided in the middle of the rotary tool holder 2, and the rotary tool holder 2 is rotatably connected to the main cutting head 13 through the self-locking shaft port. The self-locking shaft port design makes it easy to manually rotate and control the rotary tool holder 2.

[0024] Working principle: When in use, the first motor 5 drives the rotating shaft 3 to rotate, and the rotating shaft 3 can drive the tool holder body 1 to rotate, so that the tool holder body 1 controls the multiple main cutting heads 13 thereon to be converted, and the guide frame 6 can move laterally on the guide rail plate 7, so that it can drive the tool holder body 1 to move laterally, and the tool can be locked and fixed through the first mounting port 9, and the second motor 12 drives the connecting shaft 10 to rotate, so that the connecting shaft 10 drives the main cutting head 13 to rotate, and the main cutting head 13 drives the rotary tool holder 2 to turn, and the rotary tool holder 2 can drive the auxiliary cutting head 8 thereon to turn, and the auxiliary cutting head 8 is used to facilitate the installation of cutting tools, and the rotary tool holder 2 can be used to control the tool conversion.

[0025] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A rotary tool post structure for a CNC lathe, comprising a tool post body (1), a rotary tool holder (2), an auxiliary tool head (8) and a main tool head (13), characterized in that: A plurality of main cutting heads (13) are provided on the outer side of the tool holder body (1), and a rotary tool seat (2) is provided on the main cutting head (13) for connection. The tool holder body (1) is rotatably connected to the bearing frame (4) via a rotating shaft (3). A guide frame (6) is provided at the bottom of the bearing frame (4), and the guide frame (6) is connected to a guide rail plate (7).

2. The rotary tool post structure of a CNC lathe according to claim 1, characterized in that: A rotary cutter seat (2) is provided on the outer side of the main cutter head (13), a first mounting port (9) is provided at the end of the main cutter head (13), and a connecting shaft (10) is provided at one end of the main cutter head (13).

3. The rotary tool post structure of a CNC lathe according to claim 1, characterized in that: Four second motors (12) are provided inside the tool holder body (1), and the output shafts of the second motors (12) are connected to the ends of the connecting shafts (10).

4. The rotary tool post structure of a CNC lathe according to claim 1, characterized in that: A first motor (5) is provided in the middle portion of the inner side of the bearing frame (4), and an output shaft of the first motor (5) is rotationally connected to the rotating shaft (3).

5. The rotary tool post structure of a CNC lathe according to claim 1, characterized in that: A plurality of auxiliary cutting heads (8) are provided on the outer side of the rotary cutter seat (2), and a second mounting opening (11) is provided in the middle of the auxiliary cutting head (8).

6. The rotary tool post structure of a CNC lathe according to claim 1, characterized in that: A self-locking shaft opening is provided in the middle of the rotary tool holder (2), and the rotary tool holder (2) is rotationally connected to the main tool head (13) via the self-locking shaft opening.

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