CN213969188U

CN213969188U - Tungsten steel hard T-shaped alloy milling cutter

Info

Publication number: CN213969188U
Application number: CN202022489736.3U
Authority: CN
Inventors: 赵伟; 王达娟
Original assignee: Changzhou Nagu Precision Tools Co ltd
Current assignee: Changzhou Nagu Precision Tools Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-08-17
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a tungsten steel stereoplasm T type alloy milling cutter, including pole in counter bore, tool bit, connecting rod, extension bar, damping spring, connecting seat, external screw thread, fastening screw, spread groove, extension bar, keyway, fastening line, internal thread, abrasionproof gasket and the damping spring. The utility model has the advantages that: extension bar and connecting seat have been seted up the helical spring groove to pole inside from the surface, and damping spring is through rotatory extension bar and connecting seat with the damping spring both ends precession, reduce vibrations, and can protect damping spring interior pole, prevent damping spring pressurized overload fracture departure, the connecting seat is rotatable formula connection through external screw thread and internal thread and extension bar, be convenient for install and dismantle, and can replace the different subassembly of model, fastening screw links together tool bit and connecting rod through the screw hole on countersunk hole inside and connecting rod top, make the connection more firm, and be convenient for install and dismantle, the connecting rod, the extension bar is become by high strength metal 45 steel, prevent connecting rod and extension bar fracture, increase the intensity of part.

Description

Tungsten steel hard T-shaped alloy milling cutter

Technical Field

The utility model relates to a milling cutter specifically is a tungsten steel stereoplasm T type alloy milling cutter, belongs to milling cutter technical field.

Background

A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, forming surfaces, cutting workpieces and the like on a milling machine, and the die milling cutter is used for processing a die cavity or a male die forming surface. The die milling cutter is formed by evolution of an end milling cutter and can be divided into a conical flat head, a cylindrical ball head and a conical ball head according to the appearance of a working part. The hard alloy die milling cutter has wide application, can mill various die cavities, can replace a file and a grinding wheel head for manually cleaning burrs of cast, forged and welded workpieces, can perform finishing processing on certain formed surfaces, and the like. Since the milling cutter can be mounted on a pneumatic or electric tool, there is a need for a milling cutter with a sleeve type cutter holder which can be mounted on any electric tool.

The milling cutter has the advantages that the existing milling cutter is simple, one milling cutter is simple, the used milling cutter is not provided with a damping device, the vibration is too large when the milling cutter is used, the processed part has large errors, more limitations exist, the used milling cutter is not provided with an anti-abrasion pad, the abrasion among all parts is increased when the milling cutter is processed, the component is easily damaged, the service cycle is short, the cutter bar of the used milling cutter is only one end, the length of the cutter bar cannot be increased or shortened according to requirements, and the milling cutter is not humanized enough.

SUMMERY OF THE UTILITY MODEL

The object of the utility model is to provide a tungsten steel stereoplasm T type alloy milling cutter in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a tungsten steel hard T-shaped alloy milling cutter comprises a counter bore, a cutter head, a connecting rod, an extension rod, a damping spring, a connecting seat, external threads, a fastening screw, a connecting groove, an external connecting rod, a key groove, fastening lines, internal threads, an anti-abrasion gasket and a damping spring inner rod; the counter bore, the tool bit, the connecting rod, the extension bar, the damping spring, the connecting seat and the external connecting rod form a main body structure of the alloy milling cutter, the whole structure of the device is T-shaped, the tool bit is arranged at the upper end of the connecting rod, the tool bit is detachably connected with the connecting rod through the fastening screw, the counter bore is arranged at the top end of the tool bit, the lower end of the connecting rod is connected with the extension bar, the connecting rod is rotatably connected with the extension bar through threads, one end of the damping spring is connected with the lower end of the extension bar, the other end of the damping spring is connected with the connecting seat, the external threads are arranged on the outer surface of the connecting seat, the fastening screw is arranged at the center of the bottom of the counter bore, the connecting groove is arranged at the upper end of the external connecting rod, the key groove is arranged on the outer side wall of the connecting groove, the fastening is arranged at the lower end of the external connecting rod, the lower end of the external connecting rod is provided with a chamfer, and the internal thread is arranged on the inner wall of the connecting groove, the bottom at the inside spread groove is installed to the abrasionproof gasket, the connecting seat is connected with external pole, pole position in damping spring center department in the damping spring, and both ends are detachable the connection with extension bar and connecting seat respectively through stud.

Preferably, in order to reduce vibrations, extension bar and connecting seat have been seted up the helical spring groove to pole inside from the surface, and damping spring is through rotatory extension bar and connecting seat of precessing damping spring both ends.

Preferably, in order to facilitate the installation and the disassembly, the connecting seat is rotatably connected with the external connecting rod through external threads and internal threads.

Preferably, in order to make the connection more firm, a fastening screw connects the bit and the connecting rod together through the inside of the countersunk hole and a threaded hole at the top end of the connecting rod.

Preferably, the connecting rods and the extension rods are made of high strength metal 45 steel in order to prevent the connecting rods and the extension rods from being broken.

Preferably, in order to reduce abrasion, the anti-abrasion gasket is made of a rubber material, and the anti-abrasion gasket is detachably connected with the extension rod through a screw.

The utility model has the advantages that: the tungsten steel hard T-shaped alloy milling cutter has reasonable design, the extension rod and the connecting seat are provided with a spiral spring groove from the surface to the inside of the rod, the damping spring screws the two ends of the damping spring into the extension rod and the connecting seat through rotation to reduce vibration, the inner rod of the damping spring can be protected to prevent the damping spring from being broken due to overload and flying out under pressure, the connecting seat is rotatably connected with the extension rod through external threads and internal threads, the installation and disassembly are convenient, components with different models can be replaced, a fastening screw connects a cutter head and the connecting rod together through the inside of a countersunk hole and a threaded hole at the top end of the connecting rod to ensure that the connection is firmer and convenient to install and disassemble, the connecting rod and the extension rod are made of high-strength metal 45 steel to prevent the connecting rod and the extension rod from being broken, the strength of parts is increased, the anti-abrasion gasket is made of rubber materials, and is detachably connected with the extension rod through screws, reduce abrasion and prolong the service life of the device.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present invention;

FIG. 2 is a schematic view of the structure of the tool bit of the present invention;

FIG. 3 is a schematic view of the extension rod structure of the present invention;

FIG. 4 is a schematic view of the extension rod structure of the present invention;

FIG. 5 is a schematic view of the internal structure of the extension rod of the present invention;

fig. 6 is a sectional view of the present invention.

In the figure: 1. counter sink, 2, tool bit, 3, connecting rod, 4, extension bar, 5, damping spring, 6, connecting seat, 7, external screw thread, 8, fastening screw, 9, spread groove, 10, extension bar, 11, keyway 12, fastening line, 13, internal thread, 14, abrasionproof gasket and 15, damping spring interior pole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, a tungsten steel hard T-shaped alloy milling cutter comprises a counter bore 1, a cutter head 2, a connecting rod 3, an extension rod 4, a damping spring 5, a connecting seat 6, external threads 7, a fastening screw 8, a connecting groove 9, an external connecting rod 10, a key groove 11, fastening lines 12, internal threads 13, an anti-abrasion gasket 14 and a damping spring inner rod 15; the alloy milling cutter comprises a main structure of the alloy milling cutter, wherein the main structure of the alloy milling cutter comprises a counter bore 1, a cutter head 2, a connecting rod 3, an extension rod 4, a damping spring 5, a connecting seat 6 and an extension rod 10, the whole structure of the alloy milling cutter is T-shaped, the cutter head 2 is arranged at the upper end of the connecting rod 3, the cutter head 2 is detachably connected with the connecting rod 3 through a fastening screw 8, the counter bore 1 is arranged at the top end of the cutter head 2, the lower end of the connecting rod 3 is connected with the extension rod 4, the connecting rod 3 is rotatably connected with the extension rod 4 through a thread, one end of the damping spring 5 is connected with the lower end of the extension rod 4, the other end of the damping spring is connected with the connecting seat 6, an external thread 7 is arranged on the outer surface of the connecting seat 6, the fastening screw 8 is arranged at the center of the bottom of the counter bore 1, the connecting seat 9 is arranged at the upper end of the extension rod 10, a key groove 11 is arranged on the outer side wall of the connecting seat 9, and a fastening grain 12 is arranged at the lower end of the extension rod 10, and the chamfer has been seted up to external connecting rod 10 lower extreme, internal thread 13 is seted up on the spread groove 9 inner wall, the bottom at spread groove 9 inside is installed to abrasionproof gasket 14, connecting seat 6 is connected with external connecting rod 10, pole 15 is located damping spring 5 center department in the damping spring, and both ends are detachable the connection with extension bar 4 and connecting seat 6 respectively through stud.

The extension bar 4 and the connecting seat 6 are provided with spiral spring grooves from the surface to the inside of the bar, the damping spring 5 rotates to screw the two ends of the damping spring into the extension bar 4 and the connecting seat 6, so as to reduce vibration, protect the inner bar 15 of the damping spring, prevent the inner bar 15 of the damping spring from being pressed, overloaded, broken and flying out, the connecting seat 6 is rotatably connected with the external bar 6 through external threads and internal threads, so that the installation and the disassembly are convenient, and components with different models can be replaced, the fastening screw 8 connects the tool bit 2 and the connecting rod 3 together through the inside of the countersunk hole 1 and the threaded hole at the top end of the connecting rod 3, so that the connection is firmer, and the installation and the disassembly are convenient, the connecting rod 3 and the extension bar 4 are made of high-strength metal 45 steel, the connecting rod 3 and the extension bar 4 are prevented from being broken, the strength of parts is increased, the anti-wear gasket 14 is made, reduce abrasion and prolong the service life of the device.

The working principle is as follows: when using this tungsten steel stereoplasm T type alloy milling cutter, firstly, install tool bit 2 on connecting rod 3 afterwards, and strengthen tool bit 2 and connecting rod 3's being connected with fastening screw 8, select extension bar 4 of suitable length and with extension bar 4, damping spring 5, pole 15 is assembled in connecting seat 6 and the damping spring, then be connected connecting seat 6 and external pole 10, be connected extension bar 10 and external electric tool, open external electric tool switch at last and begin work, pole 15 takes place the fracture when damping spring surpasss certain limit, damping spring 5 is used for preventing the back extension bar 4 departure that splits.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A tungsten steel hard T-shaped alloy milling cutter is characterized in that: the anti-abrasion tool comprises a counter bore (1), a tool bit (2), a connecting rod (3), an extension bar (4), a damping spring (5), a connecting seat (6), external threads (7), a fastening screw (8), a connecting groove (9), an external connecting rod (10), a key groove (11), fastening lines (12), internal threads (13), an anti-abrasion gasket (14) and an internal damping spring rod (15); the main structure of the alloy milling cutter is composed of a counter bore (1), a cutter head (2), a connecting rod (3), an extension rod (4), a damping spring (5), a connecting seat (6) and an external connecting rod (10), the milling cutter overall structure is T-shaped, the cutter head (2) is installed at the upper end of the connecting rod (3), the cutter head (2) is detachably connected with the connecting rod (3) through a fastening screw (8), the counter bore (1) is formed in the top end of the cutter head (2), the lower end of the connecting rod (3) is connected with the extension rod (4), the connecting rod (3) is rotatably connected with the extension rod (4) through a thread, one end of the damping spring (5) is connected with the lower end of the extension rod (4), the other end of the damping spring is connected with the connecting seat (6), an external thread (7) is formed in the outer surface of the connecting seat (6), the fastening screw (8) is installed at the center of the bottom of the counter bore (1), the extension bar is characterized in that the upper end of an extension bar (10) is arranged on the connecting groove (9), the key groove (11) is arranged on the outer side wall of the connecting groove (9), the lower end of the extension bar (10) is arranged on the fastening line (12), the lower end of the extension bar (10) is arranged at the lower end of the extension bar (10), the chamfer is arranged at the lower end of the extension bar (10), the inner thread (13) is arranged on the inner wall of the connecting groove (9), the bottom of the inner part of the connecting groove (9) is arranged on the anti-abrasion gasket (14), the connecting seat (6) is connected with the extension bar (10), the rod (15) in the damping spring is arranged at the center of the damping spring (5), and the two ends of the damping spring are detachably connected with the extension bar (4) and the connecting seat (6) through the stud respectively.

2. The tungsten steel hard T-alloy milling cutter according to claim 1, characterized in that: extension bar (4) and connecting seat (6) have seted up the helical spring groove to pole inside from the surface, and damping spring (5) are through rotatory extension bar (4) and connecting seat (6) of precessing damping spring both ends.

3. The tungsten steel hard T-alloy milling cutter according to claim 1, characterized in that: the connecting seat (6) is rotatably connected with the external connecting rod (10) through an external thread (7) and an internal thread (13).

4. The tungsten steel hard T-alloy milling cutter according to claim 1, characterized in that: the tool bit (2) and the connecting rod (3) are connected together through the threaded holes in the inner part of the countersunk hole (1) and the top end of the connecting rod (3) by the fastening screw (8).

5. The tungsten steel hard T-alloy milling cutter according to claim 1, characterized in that: the connecting rod (3) and the extension rod (4) are made of high-strength metal 45 steel.

6. The tungsten steel hard T-alloy milling cutter according to claim 1, characterized in that: the anti-abrasion gasket (14) is made of rubber materials, and the anti-abrasion gasket (14) is detachably connected with the external connecting rod (10) through screws.