Hook type metal cutting tool

Abstract

The utility model discloses a hook type metal cutting tool which comprises a tool bit, a blade mechanism and a linear motion tool handle, connecting rods are arranged on the two outer side faces of the tool bit, an angle adjusting cylinder is fixed to the end of each connecting rod, and each angle adjusting cylinder is provided with a fixing rod movably connected with the linear motion tool handle. An angle adjusting motor is arranged at the outer side end of each linear motion cutter handle and penetrates through the fixing rod to be connected with the fixing rod. The angle adjusting motor is arranged at the outer side end of the linear motion cutter handle, and the motor rotates to drive the blade mechanisms arranged on the cutter head, so that the cutting angle of the linear motion cutter is adjusted; a plurality of fixed blades and detachable blades are arranged, cutting in the linear direction is carried out by replacing the current different blades, and therefore cooling of the blades is achieved. In the second embodiment, the blade mechanism is driven by arranging a rotary motion cutter handle, and metal cutting can be achieved by rotating and rotating the fixed blades and the detachable blades forwards and backwards.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal cutting tools, and in particular relates to a hook-type metal cutting tool. Background Art

[0002] The structure of various tools consists of a clamping part and a working part. The clamping part and working part of the integral structure tool are both made on the tool body: the working part (teeth or blade) of the toothed structure tool is mounted on the tool body, and the clamping part of the tool is divided into two types: with a hole and with a handle. The holed tool is mounted on the spindle or mandrel of the machine tool by the inner hole, and the torsional torque is transmitted by the axial key or the end face key, such as cylindrical milling cutter, sleeve face milling cutter, etc.

[0003] The metal cutting tools in the prior art have high limitations when used, and the cutting angle cannot be adjusted on the tool body. Different processing requirements can only be achieved by replacing the tool, which not only reduces the work efficiency but also increases the manufacturing cost.

[0004] Moreover, the metal cutting tool in the prior art cuts in a straight horizontal direction, and the cutting tool needs to be reversed when cutting the other end face. Moreover, most of the tools in the prior art are single, and the long-term use of a single blade can easily cause the tool to overheat and be damaged. Therefore, improvement is needed. Utility Model Content

[0005] The utility model aims to provide a hook-type metal cutting tool to solve the technical problem that the cutting angle of the cutting tool is inconvenient to adjust in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] In a first aspect, the utility model provides a hook-type metal cutting tool, comprising a cutter head, a plurality of blade mechanisms for cutting are arranged in a circular array on the cutter head, and a linear motion tool holder drivingly connected to the cutter head for linear drive;

[0008] Connecting rods are provided on both outer sides of the cutter head, and an angle adjustment tube is fixed at the end of each connecting rod. Each angle adjustment tube is provided with a fixing rod movably connected to the linear motion tool handle, and an angle adjustment motor is provided at the outer end of each linear motion tool handle and penetrates and connects with the fixing rod.

[0009] By arranging an angle adjustment motor on the outer end of the linear motion tool handle, the motor rotates to drive several blade mechanisms arranged on the tool head, thereby realizing the adjustment of the cutting angle of the linear motion cutting tool. The blade mechanism can be driven to rotate by arranging a connecting rod and an angle adjustment cylinder through the rotation of the motor.

[0010] Optionally, the cutter head is of cylindrical structure, the blade mechanism comprises a fixed blade and a detachable blade, the fixed blades are a plurality of blades arranged in a circular array on the outer peripheral surface of the cutter head, and each of the fixed blade and the detachable blade is of hook-shaped structure, and each of the fixed blades is symmetrically connected to the detachable blade;

[0011] Each of the detachable blades is provided with a pair of fixing holes, wherein each of the pair of fixing holes is provided with fixing screws penetrating therethrough and connected with the fixed blade.

[0012] By arranging each fixed blade and the detachable blade symmetrically, cutting in another direction can be achieved directly by the return action of the moving tool handle without changing the direction of the tool through the movement of the linear motion tool handle. In addition, by arranging a plurality of fixed blades and detachable blades, cutting in a linear direction can be performed by replacing different blades, so that the blade temperature can be reduced and the service life can be increased.

[0013] Optionally, both outer ends of each of the cutter heads are provided with connecting flanges connected to the connecting rod, and each of the connecting flanges is provided with a plurality of connecting bolts connected and fixed to the cutter head.

[0014] Optionally, a bearing is provided at one end of the fixed rod to be connected to the linear motion tool handle, and a plug-in gear is provided at the other end. The angle adjustment cylinder is provided with a plug-in groove that is compatible with the plug-in gear. The plug-in groove is provided to enable the plug-in gear to be correspondingly plugged into it, and the plug-in gear is driven by the rotation of the motor to achieve adjustment of the fixed blade and the detachable blade on the cutter head.

[0015] In a second aspect, the utility model further provides a hook-type metal cutting tool, comprising a cutter head, wherein a plurality of blade mechanisms for cutting are arranged in a circumferential array of the cutter head, and a rotary motion tool handle drivingly connected to the cutter head for rotational drive;

[0016] A connecting rod is provided at the outer end of the cutter head, a rotating tool handle is sleeved on the end of the connecting rod, a plurality of mounting connection holes are arranged in an array on the outer peripheral surface of the connecting rod end, a fixing block is provided at the end of the rotating tool handle, and a corresponding fixing bolt is provided on the fixing block corresponding to each mounting connection hole.

[0017] Optionally, the cutter head is of cylindrical structure, the blade mechanism comprises a fixed blade and a detachable blade, the fixed blades are a plurality of blades arranged in a circular array on the outer peripheral surface of the cutter head, and each of the fixed blade and the detachable blade is of hook-shaped structure, and each of the fixed blades is symmetrically connected to the detachable blade;

[0018] Each of the detachable blades is provided with a pair of fixing holes, wherein each of the pair of fixing holes is provided with fixing screws penetrating therethrough and connected with the fixed blade.

[0019] Metal cutting is performed by setting a rotating tool handle to drive the blade mechanism to move, and the symmetrically arranged fixed blade and detachable blade can realize both forward and reverse rotation of the cutter head to meet the cutting action.

[0020] Optionally, a connecting flange is provided at the outer end of the cutter head to be connected to the connecting rod, and the connecting flange is provided with a plurality of connecting bolts to be connected and fixed to the cutter head.

[0021] Beneficial effects and advantages of the utility model:

[0022] This hook-style metal cutting tool offers the following benefits:

[0023] By arranging an angle adjustment motor on the outer end of the linear motion tool handle, the motor rotates to drive several blade mechanisms arranged on the tool head, thereby realizing the adjustment of the cutting angle of the linear motion cutting tool. The blade mechanism can be driven to rotate by arranging a connecting rod and an angle adjustment cylinder through the rotation of the motor.

[0024] By symmetrically arranging each fixed blade and the detachable blade, the movement of the linear motion tool handle can be used to achieve cutting in another direction without changing the direction of the tool, and by arranging a plurality of fixed blades and detachable blades, the blades can be cooled by replacing the current different blades for cutting in the linear direction, thereby increasing the service life. By arranging the plug-in slots, the plug-in gears can be correspondingly plugged into them, and the plug-in gears can be driven by the rotation of the motor to adjust the fixed blade and the detachable blade on the cutter head.

[0025] Metal cutting is performed by setting a rotating tool handle to drive the blade mechanism to move, and the symmetrically arranged fixed blade and detachable blade can realize both forward and reverse rotation of the cutter head to meet the cutting action. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a structural schematic diagram of the first embodiment of the utility model;

[0027] Figure 2 This is a schematic diagram of the enlarged structure of the cutter head of the first embodiment of the utility model;

[0028] Figure 3 This is a structural schematic diagram of the second embodiment of the utility model;

[0029] Figure 4 This is a schematic diagram of the partial explosion structure of the second embodiment of the utility model.

[0030] In the figure: 1-cutter head, 2-fixed blade, 3-detachable blade, 4-fixing hole, 5-fixing screw, 6-connecting flange, 7-connecting bolt, 8-connecting rod, 9-angle adjustment cylinder, 10-plug-in slot, 11-plug-in gear, 12-fixing rod, 121-bearing, 13-linear motion handle, 14-angle adjustment motor, 15-installation connection hole, 16-rotational motion handle, 17-fixing block, 18-fixing bolt. DETAILED DESCRIPTION

[0031] The utility model is further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and cannot be used to limit the protection scope of the utility model. Embodiment 1

[0032] like Figure 1 to Figure 2 As shown, a hook-type metal cutting tool is provided, comprising a cutter head 1, a blade mechanism connected to the cutter head 1, and a linear motion tool handle 13 drivingly connected to the cutter head 1 for linear drive, wherein the linear motion tool handle 13 is connected to a mechanism for linear drive in the prior art, such as a linear guide rail;

[0033] refer to Figure 1 and Figure 2 As shown, in this embodiment, the cutter head 1 is preferably a cylindrical structure, wherein the cutter head 1 has a plurality of blade mechanisms in an array on the circumferential surface, and the two outer side surfaces of the cutter head 1 are connected with connecting flanges 6, wherein the connecting flanges 6 are connected to the opposite surface of the cutter head 1 through connecting bolts 7 in the prior art, and in this embodiment, each connecting flange 6 is welded with a connecting rod 8 at the center of the surface of the outer end, and an angle adjustment tube 9 is fixed to the end of each connecting rod 8, wherein a plug-in groove 10 is provided at the outer end of each angle adjustment tube 9, wherein a plug-in gear 11 is fitted and plugged in the plug-in groove 10, wherein a fixing rod 12 is fixed to the outer end of the plug-in gear 11, and can be fixed by welding technology in the prior art. In this embodiment, the end of the fixing rod 12 is movably connected to the linear motion handle 13 through a bearing 121 in the prior art, wherein the outer side of each linear motion handle 13 is provided with an angle adjustment 14 in the prior art that penetrates and is connected to the fixing rod 12;

[0034] In the present embodiment, the blade mechanism includes a fixed blade 2 and a detachable blade 3, wherein the fixed blade 2 is a plurality of blades arranged in a circular array on the outer peripheral surface of the cutter head 1, and the fixed blade 2 is manufactured by the integrated molding technology in the prior art, wherein each of the fixed blade 2 and the detachable blade 3 is a blunt-angle hook structure, and each of the fixed blades 2 is symmetrically connected to install the detachable blade 3, and in the present embodiment, each of the detachable blades 3 is provided with a pair of fixing holes 4, wherein the pair of fixing holes 4 are penetrated and connected to the fixed blade 2 by the fixing screws 5 in the prior art, and preferably, in the present embodiment, the connecting lines of the outermost ends of the fixed blade 2 and the detachable blade 3 are on the same circle.

[0035] During use, when it is necessary to cut the material to be cut, the linear motion tool handle 13 is used to drive the cutter head 1 to move, and the fixed blade 2 on the cutter head 1 cuts the material. By starting the angle adjustment motor 14, the angle adjustment motor 14 rotates and drives the plug-in gear 11 to rotate, thereby adjusting the angle of the fixed blade 2 on the cutter head 1. By symmetrically arranging the fixed blade 2 and the detachable blade 3, when cutting the material in a straight line, the linear motion tool handle 13 does not need to be reversed when it returns to motion, and cutting can be performed during the return motion. Embodiment 2

[0036] refer to Figure 3 and Figure 4 As shown, this embodiment can also be designed as follows based on the first embodiment:

[0037] The method comprises replacing the linear motion tool handle 13 of the first embodiment with a rotary motion tool handle 16 which is connected to the tool head 1 for rotational drive, wherein the end of the rotary motion tool handle 16 is connected to a mechanism used in the prior art for driving the selective motion tool handle 16 to rotate, such as a motor;

[0038] In the present embodiment, a connecting rod 8 is fixed to an outer end of the cutter head 1 via a connecting flange 6, wherein the connecting flange 6 is connected and fixed to the cutter head 1 by a plurality of connecting bolts 7 in the prior art, wherein a rotating tool handle 16 is sleeved on the end of the connecting rod 8, and a plurality of mounting connection holes 15 are arranged in an array on the outer peripheral surface of the end of the connecting rod 8. In the present embodiment, a fixing block 17 is welded to the end of the rotating tool handle 16, wherein the fixing block 17 is connected to a fixing bolt 18 which passes through the mounting connection hole 15 and is threadedly connected.

[0039] During use, when the cutting tool needs to be rotated for cutting, the connecting rod 8 is sleeved in the rotating tool handle 16, and the fixing bolt 18 on the fixed block 17 is inserted and threadedly connected to the mounting connection hole 15. By adopting a symmetrically arranged fixed blade 2 and a detachable blade 3, the forward and reverse rotation of the cutter head 1 can meet the cutting action.

[0040] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the purpose of the present invention and the claims, which all fall within the protection of the present invention.

Claims

1. A hook-type metal cutting tool, characterized in that: It comprises a cutter head (1), the cutter head (1) being provided with a plurality of blade mechanisms for cutting in a circumferential array, and a linear motion tool holder (13) drivingly connected to the cutter head (1) for linear drive; The two outer side surfaces of the cutter head (1) are provided with connecting rods (8), an angle adjustment tube (9) is fixed to the end of each connecting rod (8), each angle adjustment tube (9) is provided with a fixing rod (12) movably connected to the linear motion handle (13), and an angle adjustment motor (14) is provided at the outer end of each linear motion handle (13) and penetrates and is connected to the fixing rod (12).

2. A hook-type metal cutting tool according to claim 1, characterized in that: The cutter head (1) is of cylindrical structure, the blade mechanism comprises a fixed blade (2) and a detachable blade (3), the fixed blade (2) is a plurality of blades arranged in a circular array on the outer peripheral surface of the cutter head (1), and each of the fixed blade (2) and the detachable blade (3) is of hook-shaped structure, and each of the fixed blades (2) is symmetrically connected to the detachable blade (3); Each of the detachable blades (3) is provided with a pair of fixing holes (4), wherein each of the pair of fixing holes (4) is provided with a fixing screw (5) penetrating therethrough and connected to the fixed blade (2).

3. A hook-type metal cutting tool according to claim 1, characterized in that: Both outer ends of each of the cutter heads (1) are provided with connecting flanges (6) connected to the connecting rods (8), and each of the connecting flanges (6) is provided with a plurality of connecting bolts (7) connected and fixed to the cutter heads (1).

4. A hook-type metal cutting tool according to claim 1, characterized in that: A bearing (121) is provided at one end of the fixing rod (12) and is connected to the linear motion tool handle (13), and a plug-in gear (11) is provided at the other end, and the angle adjustment cylinder (9) is provided with a plug-in slot (10) adapted to the plug-in gear (11).

5. A hook-type metal cutting tool, characterized in that: The invention comprises a cutter head (1), wherein the cutter head (1) is provided with a plurality of blade mechanisms for cutting in a circumferential array, and a rotary motion tool handle (16) drivingly connected to the cutter head (1) for rotational driving; The outer end of the cutter head (1) is provided with a connecting rod (8), the end of the connecting rod (8) is sleeved with a rotary tool handle (16), the outer peripheral surface of the end of the connecting rod (8) is provided with a plurality of mounting connection holes (15) in an array, the end of the rotary tool handle (16) is provided with a fixing block (17), and the fixing block (17) is provided with a matching fixing bolt (18) corresponding to each mounting connection hole (15).

6. A hook-type metal cutting tool according to claim 5, characterized in that: The cutter head (1) is of cylindrical structure, the blade mechanism comprises a fixed blade (2) and a detachable blade (3), the fixed blade (2) is a plurality of blades arranged in a circular array on the outer peripheral surface of the cutter head (1), and each of the fixed blade (2) and the detachable blade (3) is of hook-shaped structure, and each of the fixed blades (2) is symmetrically connected to the detachable blade (3); Each of the detachable blades (3) is provided with a pair of fixing holes (4), wherein each of the pair of fixing holes (4) is provided with a fixing screw (5) penetrating therethrough and connected to the fixed blade (2).

7. A hook-type metal cutting tool according to claim 5, characterized in that: The outer end of the cutter head (1) is provided with a connecting flange (6) connected to the connecting rod (8), and the connecting flange (6) is provided with a plurality of connecting bolts (7) connected and fixed to the cutter head (1).

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