Cutter device for cutter presetting instrument

Abstract

The utility model relates to the technical field of cutter installation, and discloses a cutter device for a cutter presetting instrument, which comprises a rotor base, a high-precision rotor is arranged in the rotor base, a precision clamping component for fixing a cutter handle is arranged at the upper end of the high-precision rotor, and a cutter holder is arranged at the lower end of the high-precision rotor. A precision ball bearing system used for limiting the high-precision rotor is arranged between the high-precision rotor and the rotor base, and the lower end of the rotor base is fixedly connected with an air cylinder fixing support. Through the cooperation of a high-precision rotor, a precision ball bearing system, a precision clamping assembly, a power air cylinder and a power traction rod, the power traction rod moves the precision clamping assembly up and down under the driving of the power air cylinder, so that rapid loosening and tensioning of a cutter handle are achieved, efficient disassembly and assembly of the cutter handle are improved, and the production efficiency is improved. The installation steps of the cutter handle are simplified, and the damage probability of the cutter is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of tool installation, and particularly relates to a tool device for a tool presetting instrument. Background Technique

[0002] The tool loading principle of the HSK tool system mainly relies on its unique double-sided positioning and clamping mechanism. This system adopts a hollow, thin-walled, short-cone structure with a taper of 1:10, and realizes the stable installation of the tool through the simultaneous positioning and clamping of the end face and the conical surface; the tool presetting instrument, also known as the tool setter, is a measuring device that can pre-adjust and measure the tip diameter and clamping length of the tool, and can input the tool data into the NC program of the machining center. The series of tool presetting instruments is suitable for measuring the accurate coordinate positions of the cutting edges of boring and milling tools and turning tools used on CNC machine tools (including machining centers and flexible manufacturing units, etc.), and can check the edge quality of the tool, measure the tip angle, arc radius and radial runout of disc tools, etc.;

[0003] In the prior art, when installing the tool shank, it is usually manually installed and tightened. Since the tool spindle is costly and the assembly is complex, it increases the complexity of installing the tool, affects the accuracy of tool installation, is not conducive to accurate cutting in the later stage, and reduces the efficiency of tool installation. Therefore, we need to propose a tool device for a tool presetting instrument. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a tool device for a tool presetting instrument, which can significantly improve the tool loading efficiency of special tools, automatically loosen and tighten the tool, improve the tool change efficiency, reduce the probability of tool scrapping, and simplify the installation steps of the tool spindle, so as to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A tool device for a tool presetting instrument, comprising:

[0006] A rotor base, inside which a high-precision rotor is arranged. At the upper end of the high-precision rotor, a precision clamping assembly is arranged for fixing the tool shank. Between the high-precision rotor and the rotor base, a precision ball bearing system is arranged for limiting the high-precision rotor. At the lower end of the rotor base, a cylinder fixing bracket is fixedly connected. Inside the cylinder fixing bracket, a power cylinder is arranged. Inside the high-precision rotor, a power traction rod is arranged for loosening and tightening the precision clamping assembly.

[0007] Preferably, the precision ball bearing system includes a high-precision ball bearing and an angular contact bearing. The angular contact bearing is arranged below the high-precision ball bearing, and the inner diameter of the angular contact bearing is smaller than that of the high-precision ball bearing.

[0008] Preferably, the angular contact bearing is arranged at the lower outer side of the high-precision rotor, and a seamless locking nut sleeved on the outer side of the high-precision rotor is arranged below the angular contact bearing.

[0009] Preferably, a sealing protection ring is sleeved in the middle of the outer side of the power traction rod, and an annular groove for embedding the sealing protection ring is formed in the inner wall of the high-precision rotor.

[0010] Preferably, a die spring is sleeved at the lower outer side of the power traction rod, a storage groove for embedding the die spring is formed at the lower end of the high-precision rotor, and the lower end of the die spring abuts against the telescopic end of the power cylinder.

[0011] Preferably, an air nozzle joint is arranged on the outer side of the power cylinder, and an air pipe is installed on the air nozzle joint.

[0012] Preferably, a locking bolt is threadedly connected to the outer side of the rotor base, and a limiting inner groove for the locking bolt to abut against is formed at the upper outer end of the high-precision rotor.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] The present utility model mainly realizes the quick loosening and tightening of the tool shank by the cooperation among the high-precision rotor, the precision ball bearing system, the precision clamping assembly, the power cylinder and the power traction rod. Under the drive of the power cylinder, the power traction rod moves the precision clamping assembly up and down, thereby improving the efficient disassembly and assembly of the tool shank, simplifying the installation steps of the tool shank, and reducing the probability of tool damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic cross-sectional structure view of the present utility model;

[0016] Figure 2 is a schematic front view structure view of the present utility model.

[0017] In the figure: 1, rotor base; 2, high-precision rotor; 3, precision ball bearing system; 4, precision clamping assembly; 5, angular contact bearing; 6, seamless locking nut; 7, power traction rod; 8, sealing protection ring; 9, die spring; 10, cylinder fixing bracket; 11, power cylinder; 12, air nozzle joint; 13, locking bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0019] Please refer to Figure 1-2 , the present utility model provides a technical solution: a tool device for a tool presetting instrument, including:

[0020] A rotor base 1, inside which a high-precision rotor 2 is arranged. At the upper end of the high-precision rotor 2, a precision clamping assembly 4 for fixing the tool shank is provided. Between the high-precision rotor 2 and the rotor base 1, a precision ball bearing system 3 for limiting the high-precision rotor 2 is arranged. At the lower end of the rotor base 1, a cylinder fixing bracket 10 is fixedly connected. Inside the cylinder fixing bracket 10, a power cylinder 11 is arranged. Inside the high-precision rotor 2, a power traction rod 7 for loosening and tightening the precision clamping assembly 4 is provided. When the high-precision rotor 2 rotates, the cylinder fixing bracket 10 is used to prevent the power cylinder 11 from rotating simultaneously, thus preventing the problem of air pipe entanglement.

[0021] The precision ball bearing system 3 includes a high-precision ball bearing and an angular contact bearing 5. The angular contact bearing 5 is arranged below the high-precision ball bearing. The inner diameter of the angular contact bearing 5 is smaller than that of the high-precision ball bearing. Through the double-bearing structure, the high-precision rotor 2 is stably installed in the rotor base 1, improving the stability. The angular contact bearing 5 ensures an extremely low runout rate when the high-precision rotor 2 rotates, and the high-precision ball bearing improves the rotation smoothness of the high-precision rotor 2.

[0022] The angular contact bearing 5 is arranged at the lower outer side of the high-precision rotor 2. Below the angular contact bearing 5, a seamless locking nut 6 sleeved on the outer side of the high-precision rotor 2 is arranged. The seamless locking nut 6 is used to tighten the high-precision rotor 2 and the high-precision ball bearing, eliminating any gap during part fitting and preventing the high-precision rotor 2 from having a runout when rotating.

[0023] A sealing protection ring 8 is sleeved in the middle of the outer side of the power traction rod 7. An annular groove for embedding the sealing protection ring 8 is opened on the inner wall of the high-precision rotor 2. The sealing protection ring 8 is used to fix the power traction rod 7, preventing it from having a large deviation and ensuring that the cutting fluid remaining on the tool shank will not damage the parts.

[0024] A die spring 9 is sleeved on the lower end of the outer side of the power traction rod 7. A receiving groove for the die spring 9 to be embedded is formed at the lower end of the high-precision rotor 2. The lower end of the die spring 9 abuts against the telescopic end of the power cylinder 11. The die spring 9 provides buffering and auxiliary force and is installed on the power traction rod 7. When the power traction rod 7 moves downward, a buffering force is given to prevent rapid downward pulling so as to avoid tool damage. When the traction rod moves upward, an auxiliary force is provided to facilitate the loosening of the tool holder, protect the tool from impact, and improve the service life of the tool.

[0025] A nozzle joint 12 is arranged on the outer side of the power cylinder 11. A trachea is installed on the nozzle joint 12. The nozzle joint 12 facilitates the connection of the trachea to the power cylinder 11, thereby facilitating the driving of the power cylinder 11.

[0026] A locking bolt 13 is threadedly connected to the outer side of the rotor base 1. A limiting inner groove for the locking bolt 13 to abut against is formed at the upper end of the outer side of the high-precision rotor 2. The locking bolt 13 facilitates the fixation of the high-precision rotor 2 when the device is not in use and avoids the self-rotation of the high-precision rotor 2.

[0027] During use, the device uses core components such as the high-precision rotor 2, the progress ball bearing system, and the precision clamping assembly 4, and at the same time cooperates with the auxiliary structures of the power cylinder 11, the power traction rod 7, and the die spring 9. The telescopic end of the power cylinder 11 extends to lift the power traction rod 7 and at the same time compress the die spring 9, so that the power traction rod 7 lifts the precision clamping assembly 4 to loosen, facilitating the rapid insertion of the tool holder of the tool. By the reset of the telescopic end of the power cylinder 11, the power traction rod 7 is received into the high-precision rotor 2 under the action of the elastic potential energy of the die spring 9, and the precision clamping assembly 4 is tightened, thereby realizing the rapid tightening of the tool holder and achieving the efficient and accurate control of the tool holder.

[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tool device for a tool presetter, characterized in that: include: A rotor base (1), wherein a high-precision rotor (2) is arranged inside the rotor base (1), a precision clamping assembly (4) for fixing a tool handle is arranged at the upper end of the high-precision rotor (2), a precision ball bearing system (3) for limiting the position of the high-precision rotor (2) is arranged between the high-precision rotor (2) and the rotor base (1), a cylinder fixing bracket (10) is fixedly connected to the lower end of the rotor base (1), a power cylinder (11) is arranged inside the cylinder fixing bracket (10), and a power traction rod (7) for loosening and tightening the precision clamping assembly (4) is arranged inside the high-precision rotor (2).

2. A tool device for a tool presetter according to claim 1, characterized in that: The precision ball bearing system (3) comprises a high-precision ball bearing and an angular contact bearing (5), wherein the angular contact bearing (5) is arranged below the high-precision ball bearing, and the inner diameter of the angular contact bearing (5) is smaller than the inner diameter of the high-precision ball bearing.

3. A tool device for a tool presetter according to claim 2, characterized in that: The angular contact bearing (5) is arranged at the lower end of the outer side of the high-precision rotor (2), and a seamless locking nut (6) sleeved on the outer side of the high-precision rotor (2) is arranged below the angular contact bearing (5).

4. A tool device for a tool presetter according to claim 3, characterized in that: A sealing protection ring (8) is sleeved on the middle part of the outer side of the power traction rod (7), and an annular groove for embedding the sealing protection ring (8) is provided on the inner wall of the high-precision rotor (2).

5. A tool device for a tool presetter according to claim 4, characterized in that: A mold spring (9) is sleeved on the lower outer end of the power traction rod (7), and a receiving groove for the mold spring (9) to be embedded is provided at the lower end of the high-precision rotor (2), and the lower end of the mold spring (9) abuts against the telescopic end of the power cylinder (11).

6. The tool device for a tool presetter according to claim 1, characterized in that: An air nozzle joint (12) is arranged on the outer side of the power cylinder (11), and an air pipe is installed on the air nozzle joint (12).

7. The tool device for a tool presetter according to claim 1, characterized in that: The outer side of the rotor base (1) is threadedly connected with a locking bolt (13), and the upper end of the outer side of the high-precision rotor (2) is provided with a limiting inner groove for the locking bolt (13) to abut against.

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