Milling cutter clamp for boring machine

Abstract

The milling cutter clamp comprises a shell, a first cylindrical groove, a second cylindrical groove and a third cylindrical groove are formed in the shell at equal intervals, a milling cutter is selectively inserted into the first cylindrical groove, the second cylindrical groove or the third cylindrical groove according to the diameter of the milling cutter, and the milling cutter is clamped by rotating a rotating drum at a specified angle. An extrusion rod can be driven to slide along the interior of a limiting hole and extrude a cutter handle of a milling cutter, so that the milling cutter is driven to be stably fixed in a first cylindrical groove, a second cylindrical groove or a third cylindrical groove, and the milling cutters with different diameters can be mounted and fixed; the first cylindrical groove, the second cylindrical groove and the third cylindrical groove which are adjacent can be controlled to be in a smooth state through the inclination angle, the milling cutter can be conveniently installed at a designated position, and in the process of rotating the rotary drum, after the rotary drum is rotated to the designated position, the position of the rotary drum can be fixed through operation of the positioning assembly; and the extrusion rod is controlled to continuously extrude the handle of the milling cutter to fix the milling cutter.

Description

TECHNICAL FIELD

[0001] The utility model relates to boring machine technical field, concretely is a kind of milling cutter clamp for boring machine. BACKGROUND

[0002] Boring machine is the machine tool that the precast hole of workpiece is bored, it is mainly used for processing high-precision hole or the finishing machining of multiple holes completed once positioning, in addition, it can also be engaged in the machining of other machining surfaces related to hole finishing.

[0003] In the "milling cutter clamp for boring machine" with the authorization announcement number "CN211053194U", the second fixing sleeve and the third fixing sleeve are provided, which can fix milling cutter shanks of different sizes. However, when using, the cutter shank of the milling cutter is inserted into the first fixing sleeve, the cutter shank pushes the second fixing sleeve and the third fixing sleeve to move towards the taper handle direction, the cutter shank is inserted into the second fixing sleeve or the third fixing sleeve, and the cutter shank is not convenient to pass through the gap between the first fixing sleeve and the second fixing sleeve and between the second fixing sleeve and the third fixing sleeve. At the same time, the cutter shank is only in the second fixing sleeve or the second fixing sleeve, and the position of the cutter shank cannot be effectively fixed by the clamping device. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a milling cutter clamp for boring machine to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a milling cutter clamp for boring machine, comprising a shell, a first cylindrical groove, a second cylindrical groove and a third cylindrical groove are equidistantly arranged inside the shell, the diameters of the first cylindrical groove, the second cylindrical groove and the third cylindrical groove are different, a milling cutter is placed inside the first cylindrical groove, the second cylindrical groove and the third cylindrical groove, limit holes are symmetrically arranged in the regions of the shell corresponding to the first cylindrical groove, the second cylindrical groove and the third cylindrical groove, an extrusion rod is slidably installed inside the limit hole, a rotating drum is rotatably installed on the outside of the shell, the extrusion rod and the rotating drum are magnetically attracted and fixed, the rotation of the rotating drum is used to control the movement of the extrusion rod, and a positioning assembly is installed between the end of the rotating drum and the end of the shell.

[0006] As a further preferred embodiment of the present technical solution, an inclined angle is provided at the connection position of the first cylindrical groove, the second cylindrical groove and the third cylindrical groove.

[0007] As a further preferred embodiment of the present technical solution, a anti-loose ring is fixedly installed at the end of the extrusion rod, and the diameter of the anti-loose ring is greater than that of the extrusion rod.

[0008] As a further preferred of the technical solution, the positions of the extrusion rods at the inner ring of the rotating drum corresponding to the first cylindrical groove, the second cylindrical groove and the third cylindrical groove region are symmetrically fixedly installed with extrusion blocks, and the extrusion blocks are in extrusion contact with the top end of the anti-dropping ring.

[0009] As a further preferred of the technical solution, the extrusion blocks at the first cylindrical groove, the second cylindrical groove and the third cylindrical groove region are not at the same cross-sectional position.

[0010] As a further preferred of the technical solution, the end of the rotating drum is fixedly installed with a mounting block in an array around the central axis of the rotating drum, a sliding hole is formed in the end of the mounting block away from the rotating drum, a plug rod is slidably installed in the sliding hole, an extrusion spring is sleeved on the outside of the top end of the plug rod, one end of the extrusion spring is fixedly connected with the top end of the plug rod, and the other end of the extrusion spring is fixedly connected with the mounting block.

[0011] As a further preferred of the technical solution, the end of the mounting block is slidably installed with a circular ring, and a triangular ring block is fixedly installed on one side of the circular ring.

[0012] The utility model provides a milling cutter clamp for boring machine has the following beneficial effects:

[0013] (1) the utility model discloses a first cylindrical groove, second cylindrical groove or third cylindrical groove is selected to insert inside according to the diameter of milling cutter, and the handle of milling cutter can be stably fixed in the first cylindrical groove, second cylindrical groove or third cylindrical groove inside by rotating the rotating drum to the specified angle and driving the extrusion rod to slide along the inside of the limiting hole and extruding, the milling cutter of different diameters can be installed and fixed, and the first cylindrical groove, second cylindrical groove and third cylindrical groove between adjacent can be in smooth state through the inclination angle, the handle of milling cutter can be stably passed through the contact position between the first cylindrical groove, second cylindrical groove and third cylindrical groove, and the milling cutter can be conveniently installed at the specified position.

[0014] (2) the utility model discloses rotating the rotating drum, and when rotating the rotating drum to the specified position, the position of the rotating drum can be fixed through the operation of the positioning assembly, and the handle of milling cutter can be continuously extruded by the extrusion rod, and the milling cutter can be fixed. DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the whole sectional structure schematic diagram of the utility model;

[0017] Figure 3 It is one of the whole cross-sectional explosion structure schematic diagram of the utility model;

[0018] Figure 4 It is two of the whole cross-sectional explosion structure schematic diagram of the utility model;

[0019] In the figure: 1, shell; 2, first cylindrical groove; 3, second cylindrical groove; 4, third cylindrical groove; 5, limiting hole; 6, extrusion rod; 7, rotating drum; 8, inclination angle; 9, anti-drop ring; 10, extrusion block; 11, mounting block; 12, sliding hole; 13, plug rod; 14, extrusion spring; 15, insertion hole; 16, circular ring; 17, triangular ring block; 18, extrusion inclined surface. DETAILED DESCRIPTION

[0020] 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.

[0021] The utility model provides technical scheme: as Figures 1 to 4 The utility model discloses a milling cutter clamp for boring machine, including the casing 1, the inside equidistance of casing 1 is equipped with first cylindrical groove 2, second cylindrical groove 3 and third cylindrical groove 4, the diameter of first cylindrical groove 2, second cylindrical groove 3 and third cylindrical groove 4 is different, and milling cutter is placed in the inside of first cylindrical groove 2, second cylindrical groove 3 and third cylindrical groove 4, the region of casing 1 corresponding first cylindrical groove 2, second cylindrical groove 3 and third cylindrical groove 4 is symmetrically equipped with limiting hole 5, and the inside sliding installation of limiting hole 5 has extrusion rod 6, the outside rotation installation of casing 1 has rotating drum 7, and extrusion rod 6 and rotating drum 7 magnetism attract fixed, and the rotation of rotating drum 7 is used to control the movement of extrusion rod 6, and the end of rotating drum 7 and the end of casing 1 are installed with positioning assembly, and milling cutter is inserted in the inside of casing 1, according to the diameter of milling cutter, selects and inserts into the inside of first cylindrical groove 2, second cylindrical groove 3 or third cylindrical groove 4, and by rotating rotating drum 7 to specify angle, can drive extrusion rod 6 along the inside sliding of limiting hole 5 and extrude the handle of milling cutter, and will drive milling cutter and be stably fixed in the inside of first cylindrical groove 2, second cylindrical groove 3 or third cylindrical groove 4, can install and fix the milling cutter of different diameter, and in the process of rotating rotating drum 7, when rotating rotating drum 7 to specified position, the position of rotating drum 7 can be fixed through the operation of positioning assembly, is used to control extrusion rod 6 and continuously extrude the handle of milling cutter, and is fixed to milling cutter.

[0022] As shown in the figure, Figures 1 to 4 The position of first cylindrical groove 2, second cylindrical groove 3 and third cylindrical groove 4 is equipped with inclination angle 8.

[0023] The inclination angle 8 can control the smooth state between the adjacent first cylindrical groove 2, second cylindrical groove 3 and third cylindrical groove 4, so as to conveniently stabilize the cutter handle through the contact position between the first cylindrical groove 2, second cylindrical groove 3 and third cylindrical groove 4.

[0024] As shown in Figures 1 to 4 The end of the extrusion rod 6 is fixedly installed with an anti-falling ring 9, and the anti-falling ring 9 is larger than the diameter of the extrusion rod 6.

[0025] The extrusion rod 6 is prevented from falling out of the inside of the limiting hole 5.

[0026] As shown in Figures 1 to 4 The inner ring of the rotating drum 7 is symmetrically fixedly installed with an extrusion block 10 corresponding to the position of the extrusion rod 6 in the area of the first cylindrical groove 2, second cylindrical groove 3 and third cylindrical groove 4, and the extrusion block 10 is in extrusion contact with the top end of the anti-falling ring 9.

[0027] By rotating the rotating drum 7 by a specified angle, the extrusion block 10 inside the inner ring of the rotating drum 7 corresponding to the first cylindrical groove 2, second cylindrical groove 3 or third cylindrical groove 4 is selected to extrude the extrusion rod 6, which will drive the extrusion rod 6 to slide along the inside of the limiting hole 5 and extrude the cutter handle, for the movement of the extrusion rod 6.

[0028] As shown in Figures 1 to 4 The extrusion blocks 10 in the areas of the first cylindrical groove 2, second cylindrical groove 3 and third cylindrical groove 4 are not at the same cross-sectional position.

[0029] By controlling the rotation angle of the rotating drum 7, the extrusion block 10 corresponding to different positions inside the first cylindrical groove 2, second cylindrical groove 3 or third cylindrical groove 4 is driven to extrude the extrusion rod 6 to move, which is convenient for fixing the milling cutter of different diameters.

[0030] As shown in Figures 1 to 4 The end of the rotating drum 7 is fixedly installed with an installation block 11 in a ring array around the central axis of the rotating drum 7, the end of the installation block 11 away from the rotating drum 7 is provided with a sliding hole 12, the plug rod 13 is slidably installed in the inside of the sliding hole 12, the extrusion spring 14 is sleeved on the top outside of the plug rod 13, one end of the extrusion spring 14 is fixedly connected with the top end of the plug rod 13, the other end of the extrusion spring 14 is fixedly connected with the installation block 11, and one end of the shell 1 is provided with a plug hole 15 in a ring array around the central axis of the shell 1 corresponding to the position of the plug rod 13, and the plug hole 15 is slidably connected with the plug rod 13.

[0031] During the rotation of the rotating drum 7, when the rotating drum 7 is rotated to a specified position, the plug rod 13 is inserted into the inside of the plug hole 15 by the pulling of the extrusion spring 14 on the top end of the plug rod 13, which is used for fixing the position of the rotating drum 7 and controlling the extrusion rod 6 to continuously extrude the cutter handle, so as to fix the milling cutter.

[0032] As Figures 1 to 4 The end of the mounting block 11 is internally slidably mounted with a circular ring 16, one side of the circular ring 16 is fixedly mounted with a triangular ring block 17, the outer side of the insertion rod 13 is provided with an extrusion slope 18, and the extrusion slope 18 is in extrusion contact with the triangular ring block 17.

[0033] The circular ring 16 is slid and the triangular ring block 17 on the circular ring 16 extrudes the extrusion slope 18 on the insertion rod 13, which drives the insertion rod 13 to rise along the track of the sliding hole 12, drives the insertion rod 13 to slide out of the insertion hole 15, then rotates the rotating drum 7, drives the extrusion rod 6 to slide in the limiting hole 5 through the magnetic attraction between the extrusion rod 6 and the rotating drum 7, completely stores the extrusion rod 6 in the limiting hole 5, and the milling cutter can be removed.

[0034] The utility model provides a milling cutter clamp for boring machine, concrete working principle is as follows:

[0035] When the device is used, the milling cutter is inserted in the inside of the shell 1, according to the diameter of the milling cutter, the first cylindrical groove 2, the second cylindrical groove 3 or the third cylindrical groove 4 is selected to be inserted, the extrusion block 10 in the inner ring of the rotating drum 7 corresponding to the first cylindrical groove 2, the second cylindrical groove 3 or the third cylindrical groove 4 is extruded to the extrusion rod 6 by rotating the rotating drum 7 to a specified angle, which drives the extrusion rod 6 to slide along the inside of the limiting hole 5 and extrude the handle of the milling cutter, and drives the milling cutter to be stably fixed in the first cylindrical groove 2, the second cylindrical groove 3 or the third cylindrical groove 4, during the rotation of the rotating drum 7, when the rotating drum 7 is rotated to the specified position, the insertion rod 13 is inserted into the insertion hole 15 by pulling the top end of the insertion rod 13 through the extrusion spring 14, which is used for fixing the position of the rotating drum 7 and controlling the extrusion rod 6 to continuously extrude the handle of the milling cutter, and the milling cutter is fixed.

[0036] When the milling cutter is replaced or removed, the circular ring 16 is slid and the triangular ring block 17 on the circular ring 16 extrudes the extrusion slope 18 on the insertion rod 13, which drives the insertion rod 13 to rise along the track of the sliding hole 12, drives the insertion rod 13 to slide out of the insertion hole 15, then rotates the rotating drum 7, drives the extrusion rod 6 to slide in the limiting hole 5 through the magnetic attraction between the extrusion rod 6 and the rotating drum 7, completely stores the extrusion rod 6 in the limiting hole 5, and the milling cutter can be removed.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A milling cutter fixture for a boring machine, characterized in that: The device includes a housing (1), and the interior of the housing (1) is provided with a first cylindrical groove (2), a second cylindrical groove (3), and a third cylindrical groove (4) at equal intervals. The diameters of the first cylindrical groove (2), the second cylindrical groove (3), and the third cylindrical groove (4) are different. A milling cutter is placed inside the first cylindrical groove (2), the second cylindrical groove (3), and the third cylindrical groove (4). The housing (1) is symmetrically provided with limiting holes (5) corresponding to the areas of the first cylindrical groove (2), the second cylindrical groove (3), and the third cylindrical groove (4). A pressing rod (6) is slidably installed inside the limiting hole (5). A rotating cylinder (7) is rotatably installed on the outside of the housing (1). The pressing rod (6) and the rotating cylinder (7) are magnetically fixed. The rotation of the rotating cylinder (7) is used to control the movement of the pressing rod (6). A positioning component is installed between the end of the rotating cylinder (7) and the end of the housing (1).

2. A milling cutter fixture for a boring machine according to claim 1, characterized in that: An inclination angle (8) is provided at the position where the first cylindrical groove (2), the second cylindrical groove (3) and the third cylindrical groove (4) are connected.

3. A milling cutter fixture for a boring machine according to claim 1, characterized in that: An anti-detachment ring (9) is fixedly installed at the end of the extrusion rod (6), and the anti-detachment ring (9) is larger than the diameter of the extrusion rod (6).

4. A milling cutter fixture for a boring machine according to claim 1, characterized in that: The inner ring of the rotating drum (7) is symmetrically fixed with extrusion blocks (10) at the positions of the extrusion rods (6) corresponding to the regions of the first cylindrical groove (2), the second cylindrical groove (3) and the third cylindrical groove (4). The extrusion blocks (10) are in extrusion contact with the top end of the anti-detachment ring (9).

5. A milling cutter fixture for a boring machine according to claim 4, characterized in that: The extrusion blocks (10) in the regions of the first cylindrical groove (2), the second cylindrical groove (3) and the third cylindrical groove (4) are not in the same cross-sectional position.

6. A milling cutter fixture for a boring machine according to claim 1, characterized in that: The end of the rotating drum (7) is fixedly mounted with an array of mounting blocks (11) around the central axis of the rotating drum (7). The end of the mounting block (11) away from the rotating drum (7) is provided with a sliding hole (12). A plug rod (13) is slidably mounted inside the sliding hole (12). A compression spring (14) is sleeved on the outer side of the top end of the plug rod (13). One end of the compression spring (14) is fixedly connected to the top end of the plug rod (13), and the other end of the compression spring (14) is fixedly connected to the mounting block (11). One end of the housing (1) is provided with a socket (15) around the central axis of the housing (1) corresponding to the position of the plug rod (13). The socket (15) is slidably inserted into the plug rod (13).

7. A milling cutter fixture for a boring machine according to claim 6, characterized in that: A ring (16) is slidably installed inside the end of the mounting block (11), and a triangular ring block (17) is fixedly installed on one side of the ring (16). An extrusion slope (18) is opened on the outer side of the insertion rod (13), and the extrusion slope (18) is in extrusion contact with the triangular ring block (17).

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