Tool setting structure of numerical control machine tool

Abstract

The utility model relates to the technical field of numerical control machine tools, in particular to a tool setting structure of a numerical control machine tool. Comprising a base, two supporting columns and two laser tool setting devices. Each supporting column is arranged on the base; the laser tool setting device is arranged on the inner sides of the supporting columns, and the laser tool setting device is characterized in that limiting structures are oppositely arranged at the top ends of the supporting columns; the limiting structure comprises an electric telescopic rod and a limiting block; the electric telescopic rod is fixedly connected to the inner side of the top of the supporting column. The two electric telescopic rods are oppositely arranged; each limiting block is fixedly connected with the end, away from the supporting column, of the corresponding electric telescopic rod. And an elastic protection piece is arranged outside the laser tool setting device. The moving route of a tool of the numerical control machine tool in the tool setting structure is limited through the oppositely-arranged limiting structures; contact between the tool and the laser tool setting device is avoided; therefore, the elastic protection piece is arranged outside the laser tool setting device to protect the laser tool setting device.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machine tool technical field, concretely is a numerical control machine tool tool setting structure. BACKGROUND

[0002] The laser tool setting instrument sets tools through the laser of the transmitter and the receiver, it can be installed on the machine tool workbench or installed on the both sides of the workbench, makes the laser beam pass through the whole work area. It is used for high speed, high precision edge and detects tool fracture. When the tool passes through the laser beam, the light intensity at the receiver weakens, sends a signal to the controller, records the current machine position, and thus obtains the tool size (diameter or length).

[0003] At present, the above-mentioned tool setting instrument is generally directly fixed and installed on the machine tool as a whole, part of the machine tool has X axis, Y axis moving parts can move the measured tool, thereby detecting the tool. Since the tool setting instrument is fixedly installed, the workpiece may collide with the tool setting instrument during the movement of the workpiece.

[0004] A lathe tool setting device is disclosed in Chinese patent CN 220329997 U, which buffers through a spring. However, the kinetic energy released after the spring absorbs energy will cause the whole structure to shake greatly. The laser tool setting instrument is a high-precision measuring instrument. The laser tool setting instrument is damaged by the large shaking, causing measurement error. UTILITY MODEL CONTENTS

[0005] The utility model provides a numerical control machine tool tool setting structure, which aims to solve the problem of vibration damage to the laser tool setting instrument caused by the spring structure of the tool setting structure in the prior art.

[0006] The utility model provides a numerical control machine tool tool setting structure, which comprises a base, two support columns and two laser tool setting instruments. Each support column is arranged on the base. The laser tool setting instrument is arranged on the inner side of the support column. The utility model is characterized in that a limiting structure is arranged at the top of each support column. The limiting structure comprises an electric telescopic rod and a limiting block. The electric telescopic rod is fixedly connected to the inner side of the top of the support column. Two electric telescopic rods are arranged opposite to each other. Each limiting block is fixedly connected to the end of the electric telescopic rod away from the support column. An elastic protection member is arranged outside the laser tool setting instrument.

[0007] Further optimization is that a sliding groove is arranged on the base. A first sliding block is fixedly connected to the bottom of each support column. The first sliding block is in sliding connection with the sliding groove.

[0008] Further optimization is that the first sliding block is in inverted T-shaped vertical section. The sliding groove is matched with the first sliding block. A limiting plate is fixedly connected to the bottom of the side surface of the support column. A plurality of limiting screws are arranged through the limiting plate.

[0009] Further optimization is that the bottom of the base is provided with a sliding rail; the direction of the sliding rail is perpendicular to the direction of the sliding groove; the bottom of the base is provided with a second sliding block; the second sliding block is slidingly arranged in the sliding rail.

[0010] Further optimization is that the center of the sliding groove is not connected; a through hole is arranged at the center of the base; a vertically downward threaded pipe is fixedly connected in the through hole; a bearing is connected between the threaded pipe and the through hole; a threaded rod is arranged on the second sliding block; the external thread of the threaded rod matches the internal thread of the threaded pipe.

[0011] Further optimization is that a vertically downward annular guide groove is arranged on the inner wall of the threaded pipe; the second sliding block is provided with the guide cylinder; the guide cylinder matches the guide groove.

[0012] Further optimization is that the base is provided with a jet.

[0013] The utility model discloses at least has following technical features.

[0014] The utility model provides a kind of numerical control machine tool tool setting structure, and the moving route of tool setting structure in the tool of numerical control machine tool is limited by the limiting structure of relative arrangement;Avoid tool and laser tool setting device contact;When tool setting "T type" boring cutter;Limiting structure is difficult to effectively limit "T type" boring cutter;Therefore, set up elastic protection piece outside laser tool setting device, protect laser tool setting device.

[0015] The utility model discloses a kind of numerical control machine tool tool setting structure, by setting slide rail and sliding groove, laser tool setting device can be adapted to more parameter tool when installation;By the setting of limiting cylinder and limiting groove, guarantee the accuracy of threaded rod and threaded pipe installation when installation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a kind of numerical control machine tool tool setting structure's structure schematic view for the utility model described;

[0017] Figure 2 It is the side view of numerical control machine tool tool setting structure for the utility model described;

[0018] Figure 3 It is the second sliding block structure schematic view of numerical control machine tool tool setting structure for the utility model described;

[0019] Figure 4 It is the slide way plan view of numerical control machine tool tool setting structure for the utility model described;

[0020] In the figure: 1-base, 2-support column, 3-laser tool setting device, 4-electric telescopic rod, 5-limiting block, 6-elastic protection piece, 7-sliding groove, 8-first sliding block, 9-limiting plate, 10-limiting screw, 11-sliding rail, 12-second sliding block, 13-threaded pipe, 14-bearing, 15-threaded rod, 16-annular guide groove, 17-guide cylinder, 18-jet. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Referring to Figures 1-2 The utility model provides a kind of tool setting structure of numerical control machine tool, including base 1, support column 2 and laser tool setting device 3;The base 1 is equipped with sliding groove 7;Two first sliding blocks 8 are slidably arranged in the sliding groove 7;Each first sliding block 8 is oppositely arranged in sliding groove 7;Each support column 2 bottom is fixedly connected to the top of first sliding block 8;Two support columns 2 top are oppositely fixedly connected with electric telescopic rod 4;The end of each electric support rod 4 away from support column 2 is fixedly connected with limiting block 5;The thickness of the top of limiting block 5 is less than the thickness of bottom;The laser tool setting device 3 is oppositely arranged on the side surface of support column 2;The upper surface of laser tool setting device 3 and its laser generator are wrapped with elastic protection piece 6;The elastic protection piece 6 can be rubber protective sleeve;It can also be resin protective shell.

[0023] Referring to Figure 3 The first sliding block 8 is inverted "T" type;The sliding groove 7 is matched with the first sliding block 8;Limiting plate 9 is fixedly connected between the top of first sliding block 8 and the bottom of support column 2;The limiting plate 9 is arranged on the sliding groove 7;A plurality of limiting screws 10 are provided on the limiting plate 9.

[0024] Two laser beams are emitted by two laser tool setting devices 3, and are irradiated to the two sides of the tool at a fixed angle, respectively.After the laser beams are irradiated to the surface of the tool, they are reflected back to the device, and the receiver of the laser tool setting device 3 captures the reflected laser signals, and the receiver of the laser tool setting device 3 detects the position and angle of the reflected laser signals;By analyzing these signals, the device can determine the position, angle and size of the tool.

[0025] Referring to Figure 4The bottom of the base 1 is provided with a slide rail 11; the direction of the slide rail 11 is perpendicular to the direction of the slide groove 7; the bottom of the base 1 is provided with a second sliding block 12; the second sliding block 12 is slidingly arranged in the slide rail 11. The center of the slide groove 7 is not communicated; the center of the base 1 is provided with a through hole; a vertically downward threaded pipe 13 is fixedly connected in the through hole; a bearing 14 is connected between the threaded pipe 13 and the through hole; the top of the threaded pipe 13 is provided with a handle convenient for operation; the second sliding block 12 is provided with a threaded rod 15; the external thread of the threaded rod 15 matches the internal thread of the threaded pipe. The inner wall of the threaded pipe 13 is provided with a vertically downward annular guide groove 16; the second sliding block is provided with the guide cylinder 17; the guide cylinder 17 matches the guide groove 16. The guide cylinder 17, the guide groove 16, the threaded rod 15 and the threaded pipe 13 have the same height; the base 1 is provided with a jet 18 for cleaning the residual on the surface of the cutter to be detected, so as to avoid measurement error.

[0026] Through rotation of the handle, the handle drives the mounting column to rotate; under the limitation of the guide cylinder 17 and the guide groove 16, the threaded rod 15 inside the threaded pipe 13 moves downward or upward in a directional manner, so that the second sliding block 12 is attached to or detached from the slide rail 11; and then the base 1 is fixed or disassembled.

Claims

1. A tool setting structure of a numerical control machine tool, comprising a base (1), two support columns (2) and two laser tool setting devices (3); each of the support columns (2) is arranged on the base (1); the laser tool setting device (3) is arranged on the inner side of the support column (2), characterized in that, Opposite to the top end of each support column (2), a limiting structure is arranged; the limiting structure comprises an electric telescopic rod (4) and a limiting block (5); the electric telescopic rod (4) is fixedly connected to the inner side of the top of the support column (2); two electric telescopic rods (4) are oppositely arranged; each limiting block (5) is fixedly connected to the end of the electric telescopic rod (4) away from the support column (2); the laser tool setter (3) is externally provided with an elastic protection piece (6).

2. The tool setting structure of claim 1, wherein A sliding groove (7) is arranged on the base (1); a first sliding block (8) is fixedly connected to the bottom of each support column (2); the first sliding block (8) is slidingly connected with the sliding groove (7).

3. The tool setting structure of claim 2, wherein The first sliding block (8) is in inverted T-shaped vertical section; the sliding groove (7) is matched with the first sliding block (8); a limiting plate (9) is fixedly connected to the bottom of the side surface of the support column (2); a plurality of limiting screws (10) are arranged through the limiting plate (9).

4. The tool setting structure of claim 2, wherein A slide rail (11) is arranged at the bottom of the base (1); the direction of the slide rail (11) is perpendicular to the direction of the sliding groove (7); a second sliding block (12) is arranged at the bottom of the base (1); the second sliding block (12) is slidingly arranged in the slide rail (11).

5. The tool setting structure for a numerically controlled machine tool according to claim 4, wherein The center of the sliding groove (7) is not communicated; a through hole is arranged at the center of the base (1); a vertically downward threaded tube (13) is fixedly connected in the through hole; a bearing (14) is connected between the threaded tube (13) and the through hole; a threaded rod (15) is arranged on the second sliding block (12); the external thread of the threaded rod (15) is matched with the internal thread of the threaded tube (13).

6. The tool setting structure for a numerically controlled machine tool according to claim 5, wherein A vertically downward annular guide groove (16) is arranged on the inner wall of the threaded tube (13); a guide cylinder (17) is arranged on the second sliding block; the guide cylinder (17) is matched with the guide groove (16).

7. The tool setting structure for a numerically controlled machine tool according to claim 1, wherein A jet (18) is arranged on the base (1).

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