High-precision automatic tool setting device of numerical control lathe

Abstract

The high-precision automatic tool setting device comprises a base, one side of the base is fixedly connected with a connecting block, one side of the connecting block is provided with a tool apron, a turning tool is arranged in the tool apron, one side of the tool apron is provided with a pressing plate, one side of the pressing plate is provided with a plurality of installation screw rods arranged at equal intervals, and the installation screw rods are arranged on the other side of the pressing plate. A telescopic rod is arranged on one side of the connecting block in a penetrating mode, a mounting frame is arranged on the side wall of the telescopic rod, a plurality of infrared measuring instruments are arranged on one side of the mounting frame, a traction mechanism used for rotationally pulling the telescopic rod is arranged on one side of the connecting block, and a protection mechanism used for protecting a turning tool is arranged on one side of the pressing plate. According to the utility model, the movement of the infrared measuring instrument on the mounting rack is driven by the telescopic driving of the telescopic rod, so that the length, diameter and other dimensions of a workpiece can be movably measured, the measurement precision can be ensured while the measurement of the dimensions of the workpiece is facilitated, and the measurement of a cutter compensation numerical value in a cutter setting process is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of CNC lathe equipment technology, and in particular to a high-precision automatic tool setting device for CNC lathes. Background Technology

[0002] In CNC lathe machining operations, tool setting is a crucial step in determining the relative position between the tool and the workpiece, which plays a role in ensuring the precision and dimensional accuracy of the workpiece during machining.

[0003] However, existing tool setting methods have many shortcomings: On the one hand, traditional manual tool setting methods rely entirely on the operator's experience and skills, which is not only cumbersome and time-consuming, but also highly susceptible to human factors, making it difficult to guarantee consistency and accuracy. Even experienced operators are prone to fatigue after long hours of work, leading to increased tool setting errors and consequently affecting the machining accuracy of parts.

[0004] On the other hand, during the automatic tool setting process, the equipment needs to measure the outer dimensions and length of the workpiece, which means that the accuracy of tool setting needs to be ensured by measuring and supplementing the tool. However, the measurement process is mostly done manually. This measurement method is not only inefficient, but also cannot guarantee the measurement accuracy. Therefore, it cannot guarantee the accuracy of the supplementing tool, which in turn affects the efficiency and accuracy of tool setting. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a high-precision automatic tool setting device for CNC lathes.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A high-precision automatic tool setting device for a CNC lathe includes a base, a connecting block fixedly connected to one side of the base, a tool holder on one side of the connecting block, a cutting tool inside the tool holder, a pressure plate on one side of the tool holder, and multiple equally spaced mounting screws on one side of the pressure plate. A telescopic rod extends through one side of the connecting block, a mounting bracket is provided on the side wall of the telescopic rod, and multiple infrared measuring instruments are provided on one side of the mounting bracket. A traction mechanism for rotating and pulling the telescopic rod is provided on one side of the connecting block, and a protective mechanism for protecting the cutting tool is provided on one side of the pressure plate.

[0008] Preferably, the traction mechanism includes a rotating gear rotatably connected to one side of the connecting block, a plurality of circumferentially arranged limiting blocks are fixedly connected to the inner side of the rotating gear, and a plurality of circumferentially arranged limiting grooves are opened on the side wall of the telescopic rod, and the limiting blocks are slidably connected in the limiting grooves.

[0009] Preferably, a drive gear is rotatably connected to one side of the connecting block, and the drive gear meshes with the rotating gear.

[0010] Preferably, a mounting plate is fixedly connected to one side of the connecting block, a motor is fixedly connected to one side of the mounting plate, and a drive gear is fixedly connected to the output shaft of the motor.

[0011] Preferably, the protective mechanism includes a rotating shaft disposed below the pressure plate, a positioning frame slidably connected to the side wall of the rotating shaft, a plurality of circumferentially arranged positioning rods provided on one side of the connecting block, a plurality of circumferentially arranged positioning holes provided on one side of the positioning frame, the positioning holes being slidably connected to the positioning rods, the plurality of positioning rods being slidably connected within the connecting block, a connecting cylinder being provided within the connecting block, and the telescopic end of the connecting cylinder being fixedly connected to the plurality of positioning rods.

[0012] Preferably, a push plate is fixedly connected to one side of the positioning frame, a waist groove is provided on one side of the push plate, a propulsion cylinder is fixedly connected to one side of the connecting block, a push rod is rotatably connected to the telescopic end of the propulsion cylinder, and the push rod is slidably connected in the waist groove.

[0013] Compared with the prior art, the advantages of this utility model are as follows:

[0014] 1. This utility model is equipped with a telescopic rod, a mounting frame, an infrared measuring instrument, a tool holder, a rotating gear, a drive gear, and a motor. The telescopic rod drives the movement of the infrared measuring instrument on the mounting frame, which can move and measure the length and diameter of the workpiece. This facilitates workpiece size measurement while ensuring measurement accuracy, and also facilitates the measurement of additional cutting values ​​during the tool setting process.

[0015] 2. This utility model is equipped with a propulsion cylinder, a positioning rod, a positioning hole, a waist groove, and a positioning frame. Through the positioning hole on the positioning frame and the positioning rod, the tool holder can be positioned and limited during use. When a collision or a large cutting depth occurs, the rotation of the rotating shaft drives the movement of the cutting tool to deal with the risk of collision. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of the high-precision automatic tool setting device for CNC lathe proposed in this utility model;

[0017] Figure 2 This is a schematic diagram of the positioning frame structure of the high-precision automatic tool setting device for CNC lathe proposed in this utility model;

[0018] Figure 3 This is a schematic diagram of the bottom structure of the high-precision automatic tool setting device for the CNC lathe proposed in this utility model;

[0019] Figure 4 This is a schematic diagram of the telescopic rod structure of the high-precision automatic tool setting device for the CNC lathe proposed in this utility model.

[0020] In the diagram: 1. Base, 2. Connecting block, 3. Tool holder, 4. Lathe tool, 5. Pressure plate, 6. Mounting screw, 7. Telescopic rod, 8. Mounting bracket, 9. Infrared measuring instrument, 10. Rotating gear, 11. Limiting groove, 12. Mounting plate, 13. Drive gear, 14. Motor, 15. Propulsion cylinder, 16. Push rod, 17. Waist groove, 18. Positioning bracket. Detailed Implementation

[0021] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0022] Reference Figure 1-4 A high-precision automatic tool setting device for a CNC lathe includes a base 1, a connecting block 2 fixedly connected to one side of the base 1, a drive gear 13 rotatably connected to one side of the connecting block 2, the drive gear 13 meshing with a rotating gear 10, a mounting plate 12 fixedly connected to one side of the connecting block 2, a motor 14 fixedly connected to one side of the mounting plate 12, and the output shaft of the motor 14 fixedly connected to the drive gear 13.

[0023] A tool holder 3 is provided on one side of the connecting block 2. A cutting tool 4 is provided inside the tool holder 3. A pressure plate 5 is provided on one side of the tool holder 3. Multiple equally spaced mounting screws 6 are provided on one side of the pressure plate 5. A telescopic rod 7 is provided through one side of the connecting block 2. A mounting bracket 8 is provided on the side wall of the telescopic rod 7. Multiple infrared measuring instruments 9 are provided on one side of the mounting bracket 8. A traction mechanism for rotating and pulling the telescopic rod 7 is provided on one side of the connecting block 2. The traction mechanism includes a rotating gear 10 rotatably connected to one side of the connecting block 2. Multiple circumferentially arranged limiting blocks are fixedly connected to the inner side of the rotating gear 10. Multiple circumferentially arranged limiting grooves 11 are opened on the side wall of the telescopic rod 7. The limiting blocks are slidably connected in the limiting grooves 11.

[0024] A protective mechanism for protecting the cutting tool 4 is provided on one side of the pressure plate 5. The protective mechanism includes a rotating shaft located below the pressure plate 5. A positioning frame 18 is slidably connected to the side wall of the rotating shaft. A push plate is fixedly connected to one side of the positioning frame 18. A waist groove 17 is opened on one side of the push plate. A push cylinder 15 is fixedly connected to one side of the connecting block 2. A push rod 16 is rotatably connected to the telescopic end of the push cylinder 15. The push rod 16 is slidably connected in the waist groove 17.

[0025] The connecting block 2 has multiple circumferentially arranged positioning rods on one side, and the positioning frame 18 has multiple circumferentially arranged positioning holes on one side. The positioning holes and positioning rods are slidably connected. The multiple positioning rods are slidably connected inside the connecting block 2. The connecting block 2 has a connecting cylinder, and the telescopic end of the connecting cylinder is fixedly connected to the multiple positioning rods.

[0026] When using this utility model, such as Figure 1-4 As shown, in use, the telescopic rod 7 extends and retracts within the connecting block 2, which drives the mounting frame 8 and infrared measuring instrument 9 to measure the length and outer diameter of the workpiece, i.e., to conveniently measure the X, Y, and Z axis dimensions of the lathe, thereby facilitating the measurement of tool compensation data. Simultaneously, the motor 14 on the mounting plate 12 drives the drive gear 13 to mesh with the rotating gear 10, allowing multiple limit slots 11 to slide in contact with the limit blocks, thus rotating the telescopic end of the telescopic rod 7. This rotation drives the mounting frame 8 to rotate, adjusting the scanning angle of the multiple infrared measuring instruments 9 on it, facilitating the measurement of irregular or cylindrical surfaces. When the cutting tool 4 on the tool holder 3 experiences a collision or a large depth of cut, the connecting cylinder controls the multiple positioning rods to disengage from the positioning holes on the positioning frame 18, releasing the limit on the rotating shaft. The rotating shaft then drives the tool holder 3 to rotate, releasing the cutting state of the cutting tool 4, thereby avoiding the problem of tool collision and damage.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A high-precision automatic tool setting device for a CNC lathe, comprising a base (1), characterized in that, A connecting block (2) is fixedly connected to one side of the base (1). A tool holder (3) is provided on one side of the connecting block (2). A lathe tool (4) is provided inside the tool holder (3). A pressure plate (5) is provided on one side of the tool holder (3). A plurality of equally spaced mounting screws (6) are provided on one side of the pressure plate (5). A telescopic rod (7) is provided through one side of the connecting block (2). A mounting bracket (8) is provided on the side wall of the telescopic rod (7). A plurality of infrared measuring instruments (9) are provided on one side of the mounting bracket (8). A traction mechanism for rotating and pulling the telescopic rod (7) is provided on one side of the connecting block (2). A protective mechanism for protecting the lathe tool (4) is provided on one side of the pressure plate (5).

2. The high-precision automatic tool setting device for a CNC lathe according to claim 1, characterized in that, The traction mechanism includes a rotating gear (10) rotatably connected to one side of the connecting block (2). The inner side of the rotating gear (10) is fixedly connected with a plurality of circumferentially arranged limiting blocks. The side wall of the telescopic rod (7) is provided with a plurality of circumferentially arranged limiting grooves (11). The limiting blocks are slidably connected in the limiting grooves (11).

3. The high-precision automatic tool setting device for a CNC lathe according to claim 2, characterized in that, A drive gear (13) is rotatably connected to one side of the connecting block (2), and the drive gear (13) meshes with the rotating gear (10).

4. The high-precision automatic tool setting device for a CNC lathe according to claim 3, characterized in that, A mounting plate (12) is fixedly connected to one side of the connecting block (2), and a motor (14) is fixedly connected to one side of the mounting plate (12). The output shaft of the motor (14) is fixedly connected to a drive gear (13).

5. The high-precision automatic tool setting device for a CNC lathe according to claim 4, characterized in that, The protective mechanism includes a rotating shaft located below the pressure plate (5). A positioning frame (18) is slidably connected to the side wall of the rotating shaft. A plurality of circumferentially arranged positioning rods are provided on one side of the connecting block (2). A plurality of circumferentially arranged positioning holes are opened on one side of the positioning frame (18). The positioning holes are slidably connected to the positioning rods. A plurality of positioning rods are slidably connected in the connecting block (2). A connecting cylinder is provided in the connecting block (2). A plurality of positioning rods are fixedly connected to the telescopic end of the connecting cylinder.

6. The high-precision automatic tool setting device for a CNC lathe according to claim 5, characterized in that, A push plate is fixedly connected to one side of the positioning frame (18), and a waist groove (17) is opened on one side of the push plate. A propulsion cylinder (15) is fixedly connected to one side of the connecting block (2). A push rod (16) is rotatably connected to the telescopic end of the propulsion cylinder (15), and the push rod (16) is slidably connected in the waist groove (17).

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