CN211539656U - Milling tool for aircraft parts - Google Patents

Abstract

The utility model provides an aircraft part is with milling frock, relates to a milling frock. The end surface has the cylinder chamber groove under the cutter arbor, still fix with annular shrouding through the screw, the clearance cartridge has the vertical scroll in the annular shrouding, the vertical scroll upper end is located cylinder chamber inslot and integrative is provided with the cardboard, the vertical scroll lower extreme is fixed with the connector, connector lateral wall lower extreme has four calories of keys, the cylinder chamber inslot still is provided with the pressure spring, the pressure spring suit is on the vertical scroll and supports between cardboard and annular shrouding, milling cutter's mounting hole lateral wall lower extreme has four keyways, but four calories of keys joint is in four keyways, milling cutter's mounting hole lateral wall still has four logical grooves, milling cutter can be by the slippage on the connector when four logical grooves correspond with four calories of keys, the vertical scroll intermediate position has the jack, but cartridge pin lever in the jack makes the vertical scroll be. The assembly structure of the milling cutter and the cutter bar is optimized, the structure is ingenious and reasonable, and the milling cutter and the cutter bar are convenient to mount and dismount.

Description

Milling tool for aircraft parts

Technical Field

The utility model relates to a mill the frock, especially an aircraft part is with milling frock.

Background

The plane part is often milled when being machined, and the milling is a mechanical machining method for machining the surface of an object by using a milling cutter as a cutter, so that planes, grooves and other special surfaces can be machined on the plane part according to requirements.

When the existing milling cutter is assembled with a cutter bar, a screw hole is generally arranged on the lower end face of the cutter bar, and the milling cutter is sleeved at the lower end of the cutter bar and then screwed with the screw hole through a specific cutter tightening screw, so that the milling cutter is installed and fixed. The structure needs to apply great force to the cutter tightening screw, the cutter tightening screw is prevented from loosening to cause vibration of the milling cutter, the processing quality is prevented from being influenced, and the cutter tightening screw is too tight to cause great labor for disassembly.

Therefore, it is necessary to optimize the assembly structure of the milling cutter and the cutter bar, so that the milling cutter can be more conveniently assembled and disassembled with the cutter bar.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aircraft part is with milling frock, it optimizes the assembly structure of milling cutter and cutter arbor, and the structure is ingenious reasonable, makes things convenient for the installation dismantlement of milling cutter and cutter arbor.

In order to achieve the above purpose, the utility model adopts the following technical proposal: a milling tool for aircraft parts comprises a cutter bar and a milling cutter, wherein a cylindrical cavity groove is coaxially and concavely arranged on the lower end surface of the cutter bar, an annular sealing plate is coaxially fixed on the lower end surface of the cutter bar through screws, the diameter of an inner ring of the annular sealing plate is smaller than that of the cylindrical cavity groove, a vertical shaft is inserted in the inner gap of the annular sealing plate, a clamping plate is integrally arranged at the upper end of the vertical shaft in the cylindrical cavity groove, a connector is fixed at the lower end of the vertical shaft, the connector is a cylinder coaxial with the vertical shaft, the diameter of the connector is larger than that of the inner ring of the annular sealing plate, four clamping keys are integrally arranged at the lower end of the side wall of the connector in a cross arrangement manner, a pressure spring is further arranged in the cylindrical cavity groove, the pressure spring is sleeved on the vertical shaft and supported between the clamping plate and the, but four calorie of keys joint is in four keyways, milling cutter's mounting hole lateral wall still is the cross and arranges and be provided with four logical grooves, four lead to groove and four keyway dislocation arrange, four lead to groove and four calorie of keys when corresponding milling cutter can be by the slippage on the connector, the jack has transversely been seted up to the vertical scroll intermediate position, but cartridge pin rod passes through in the jack the pin rod card makes the vertical scroll be in the state of stretching out at annular shrouding lower surface, and four calorie of keys are greater than milling cutter's thickness to the interval between the pin rod this moment.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses assembly structure to milling cutter and cutter arbor optimizes, the lower extreme installation connector of cutter arbor, it realizes the elasticity of connector to reset to set up the pressure spring between connector and the cutter arbor, connector lateral wall lower extreme is provided with four calorie keys, and milling cutter's mounting hole lateral wall is provided with four keyways and four logical grooves, four keyways of milling cutter correspond with four calorie keys of connector when the connector does not stretch out, milling cutter is stable installs at the cutter arbor lower extreme, and four logical grooves of milling cutter accessible correspond with four calorie keys of connector when the connector stretches out, realize milling cutter's installation and dismantlement, the structure is ingenious reasonable, be convenient for the dismouting of milling cutter and cutter arbor, very high using value has.

Drawings

Fig. 1 is an axonometric view of an assembly structure of the milling tool for the aircraft part of the present invention;

fig. 2 is an axonometric view of a disassembly structure of the milling tool for aircraft parts of the present invention;

fig. 3 is an exploded view of the tool bar of the present invention;

fig. 4 is an isometric view of the milling cutter of the present invention.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

The first embodiment is as follows: as shown in figures 1-4, the utility model discloses a milling tool for aircraft parts, which comprises a cutter bar 1 and a milling cutter 8, wherein the lower end surface of the cutter bar 1 is coaxially and concavely provided with a cylindrical cavity groove 1-1, the lower end surface of the cutter bar 1 is also coaxially fixed with an annular closing plate 2 through a screw 3, the inner ring diameter of the annular closing plate 2 is smaller than the diameter of the cylindrical cavity groove 1-1, a vertical shaft 5 is inserted in the annular closing plate 2, the upper end of the vertical shaft 5 is positioned in the cylindrical cavity groove 1-1 and is integrally provided with a clamping plate 5-1, the lower end of the vertical shaft 5 is fixedly provided with a connector 4, the connector 4 is a cylinder coaxial with the vertical shaft 5 and has a diameter larger than the inner ring diameter of the annular closing plate 2, the lower end of the side wall of the connector 4 is integrally provided with four clamping keys 4-1 in a crisscross arrangement, a pressure spring 6 is also arranged in the cylindrical cavity groove 1-1, the, the upper end surface of the milling cutter 8 is contacted with the lower surface of the annular sealing plate 2, the lower end of the side wall of the mounting hole of the milling cutter 8 is provided with four key slots 8-1 in a crisscross arrangement, the four clamping keys 4-1 can be clamped in the four key slots 8-1, the side wall of the mounting hole of the milling cutter 8 is also provided with four through grooves 8-2 in a crisscross arrangement, the four through grooves 8-2 and the four key grooves 8-1 are arranged in a staggered way, the milling cutter 8 can slip off from the connector 4 when the four through grooves 8-2 correspond to the four clamping keys 4-1, the middle position of the vertical shaft 5 is transversely provided with a jack 5-2, the pin rod 7 can be inserted into the insertion hole 5-2 and clamped on the lower surface of the annular sealing plate 2 through the pin rod 7, so that the vertical shaft 5 is in an extending state, and at the moment, the interval between the four clamping keys 4-1 and the pin rod 7 is larger than the thickness of the milling cutter 8.

The second embodiment is as follows: as shown in fig. 2 and 4, in the present embodiment, a first specific embodiment is further described, three clamping positioning points 2-1 are protruded at equal angles on the edge of the lower surface of the annular sealing plate 2, three positioning clamping grooves 8-3 are concavely formed on the upper end surface of the milling cutter 8, and the positioning clamping grooves 8-3 are arranged in one-to-one correspondence with the clamping positioning points 2-1.

The third concrete implementation mode: as shown in fig. 2 and 3, the present embodiment is further described as a first embodiment, and the connecting head 4 is integrally formed with the vertical shaft 5.

Referring to fig. 1-4, the lower end of the cutter bar 1 is provided with a cylindrical cavity groove 1-1 and is sealed by an annular sealing plate 2, the annular sealing plate 2 is used for supporting the lower end of a pressure spring 6, a vertical shaft 5 is inserted into the annular sealing plate 2, the upper end of the vertical shaft 5 is provided with a clamping plate 5-1 for supporting the upper end of the pressure spring 6, so that the pressure spring 6 can be sleeved on the vertical shaft 5 and supported between the clamping plate 5-1 and the annular sealing plate 2, a connector 4 at the lower end of the vertical shaft 5 is tightly attached to the lower surface of the annular sealing plate 2 by the elasticity provided by the pressure spring 6, when four clamping keys 4-1 of the connector 4 are clamped in four key grooves 8-1 of a milling cutter 8, the milling cutter 8 cannot be separated from the connector 4, at the moment, three positioning clamping grooves 8-3 at the upper surface of the, the stability of the milling cutter 8 is improved, the milling cutter 8 is pulled downwards, the milling cutter 8 drives the vertical shaft 5 to move downwards through the connector 4, the pressure spring 6 is further compressed, the pin rod 7 is inserted when the jack 5-2 is exposed out of the annular sealing plate 2, the pin rod 7 is clamped on the lower surface of the annular sealing plate 2 to prevent the vertical shaft 5 from being retracted into the cylindrical cavity groove 1-1, the vertical shaft 5 is in an extending state, the milling cutter 8 can slide upwards between the four clamping keys 4-1 and the pin rod 7 at the moment, the mounting hole of the milling cutter 8 can rotate on the connector 4, the milling cutter 8 can slide downwards from the connector 4 to finish dismounting when the milling cutter 8 rotates until the four through grooves 8-2 of the milling cutter 8 correspond to the four clamping keys 4-1, otherwise, the milling cutter 8 is mounted, and the pin rod 7 is pulled out to tightly attach to the lower surface of the annular sealing.

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 forms of embodiment 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 (3)

1. The utility model provides an aircraft part is with milling frock, includes cutter arbor (1) and milling cutter (8), its characterized in that: the end face of the cutter rod (1) is coaxially and concavely provided with a cylindrical cavity groove (1-1), the end face of the cutter rod (1) is coaxially fixed with an annular sealing plate (2) through a screw (3), the inner ring diameter of the annular sealing plate (2) is smaller than the diameter of the cylindrical cavity groove (1-1), a vertical shaft (5) is inserted in a gap in the annular sealing plate (2), the upper end of the vertical shaft (5) is positioned in the cylindrical cavity groove (1-1) and integrally provided with a clamping plate (5-1), the lower end of the vertical shaft (5) is fixedly provided with a connector (4), the connector (4) is a cylinder coaxial with the vertical shaft (5) and has a diameter larger than the inner ring diameter of the annular sealing plate (2), the lower end of the side wall of the connector (4) is integrally provided with four clamping keys (4-1) in a cross-shaped arrangement manner, and a pressure, the pressure spring (6) is sleeved on the vertical shaft (5) and supported between the clamping plate (5-1) and the annular sealing plate (2), the upper end face of the milling cutter (8) is in contact with the lower surface of the annular sealing plate (2), the lower end of the side wall of the mounting hole of the milling cutter (8) is provided with four key slots (8-1) in a cross arrangement manner, the four clamping keys (4-1) can be clamped in the four key slots (8-1), the side wall of the mounting hole of the milling cutter (8) is also provided with four through grooves (8-2) in a cross arrangement manner, the four through grooves (8-2) and the four key slots (8-1) are arranged in a staggered manner, the milling cutter (8) can slip from the connector (4) when the four through grooves (8-2) correspond to the four clamping keys (4-1), and the middle position of the vertical shaft (5), the pin rod (7) can be inserted into the insertion hole (5-2) and clamped on the lower surface of the annular sealing plate (2) through the pin rod (7) so that the vertical shaft (5) is in an extending state, and at the moment, the interval between the four clamping keys (4-1) and the pin rod (7) is larger than the thickness of the milling cutter (8).

2. The milling tool for the aircraft parts as claimed in claim 1, wherein: the edge of the lower surface of the annular sealing plate (2) is provided with three clamping positioning points (2-1) in an equal-angle protruding mode, the upper end face of the milling cutter (8) is concavely provided with three positioning clamping grooves (8-3), and the positioning clamping grooves (8-3) are arranged in one-to-one correspondence with the clamping positioning points (2-1).

3. The milling tool for the aircraft parts as claimed in claim 1, wherein: the connector (4) and the vertical shaft (5) are integrally formed.

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