CN218476334U

CN218476334U - Anticreep type numerically controlled fraise machine milling cutter fixed establishment

Info

Publication number: CN218476334U
Application number: CN202222321210.3U
Authority: CN
Inventors: 吴雪萍
Original assignee: Huangshan Huide Machinery Co ltd
Current assignee: Huangshan Huide Machinery Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-02-14
Anticipated expiration: 2032-09-01

Abstract

The utility model discloses an anticreep type numerically controlled fraise machine milling cutter fixed establishment, install arbor and the milling cutter of demountable installation at the arbor lower extreme on the blade holder including blade holder, rotation, the front end of arbor closes soon and is connected with the hexagon socket head cap screw that runs through the arbor, the inner of hexagon socket head cap screw is laminated with milling cutter's outer wall mutually, the outside that the lower extreme of blade holder is located milling cutter is provided with and is used for the spacing anti-disengaging mechanism of milling cutter anticreep. The utility model discloses in, through set up lug, slide, swivel, spacing knot, swivel nut and double-screw bolt down on original blade holder, set up the race simultaneously on milling cutter, can be spacing between arbor and blade holder with the milling cutter anticreep, reduced the milling cutter installation or dismantled the in-process emergence of the damage problem that falls to milling cutter fixed establishment job stabilization nature has been promoted.

Description

Anticreep type numerically controlled fraise machine milling cutter fixed establishment

Technical Field

The utility model relates to a digit control machine tool cutter installation technical field especially relates to an anticreep type numerically controlled fraise machine milling cutter fixed establishment.

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, and the milling cutter is mainly used for processing planes, steps, grooves, forming surfaces, cutting off the workpiece and the like on a milling machine. However, the existing milling cutter fixing mechanism for the numerical control milling machine still has the defects that: when an operator uses an tool to rotate the hexagon socket head cap screw on the cutter shaft away from the milling cutter, because the process needs both hands to apply force, the milling cutter is easy to fall off from the cutter shaft in the operation process, and the milling cutter is easy to have the risk of falling damage, thereby reducing the working stability of the milling cutter fixing mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: the anti-drop milling cutter fixing mechanism for the numerical control milling machine is provided for solving the problem that the traditional milling cutter fixing mechanism for the numerical control milling machine is difficult to realize anti-drop protection operation in the process of disassembling and assembling the milling cutter.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an anticreep type numerically controlled fraise machine milling cutter fixed establishment, includes the blade holder, rotates the arbor of installing on the blade holder and demountable installation at the milling cutter of arbor lower extreme, the front end of arbor closes soon and is connected with the hexagon socket head cap screw that runs through the arbor, the inner of hexagon socket head cap screw is laminated with milling cutter's outer wall mutually, the lower extreme of blade holder is located milling cutter's the outside and is provided with and is used for the spacing anti-disengaging mechanism of milling cutter anticreep.

As a further description of the above technical solution:

the anti-disengaging mechanism comprises a plurality of lower convex blocks which are fixed at the lower end of the cutter holder at equal angles and located outside the milling cutter, sliding chutes which are formed in the lower ends of the lower convex blocks and face the milling cutter, sliding plates which are arranged on the inner sides of the sliding chutes in a sliding mode, rotating rings which are arranged among the lower convex blocks in a rotating mode, sliding columns which are fixed at the lower ends of the sliding plates and penetrate through the rotating rings, and inclined grooves which are formed in the rotating rings and correspond to the sliding columns.

As a further description of the above technical solution:

the anti-falling mechanism further comprises a pulley which is rotatably installed on the inner side of the sliding plate and faces the milling cutter and a wheel groove which is formed in the outer portion of the milling cutter and used for containing the pulley.

As a further description of the above technical solution:

the lower end of the tool apron is provided with a locking part for locking after the rotating ring is adjusted.

As a further description of the above technical solution:

the locking part comprises a limit buckle fixed at the lower end of the cutter holder and movably connected with the rotary ring, a threaded sleeve arranged outside the limit buckle, a stud rotatably arranged on the inner side of the threaded sleeve and facing the rotary ring, and a knob arranged at the outer end of the stud.

As a further description of the above technical solution:

the whole shape of blade holder is L type structure, and the horizontal end of blade holder and vertical serve and all seted up the mounting hole.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses in, through set up lower lug on original blade holder, the slide, the swing ring, spacing knot, swivel nut and double-screw bolt, set up the race simultaneously on milling cutter, when revolving the double-screw bolt off the swing ring, the locking state of swing ring has just been relieved, during clockwise or anticlockwise rotation swing ring, under the sliding action between traveller and chute, pulley on the slide alright slip off or the race on the sliding milling cutter, this kind of structure can be spacing between arbor and blade holder with the milling cutter anticreep, the emergence of milling cutter installation or dismantlement in-process damage problem of falling has been reduced, thereby milling cutter fixed establishment job stabilization nature has been promoted.

Drawings

Fig. 1 is an orthographic three-axis mapping of the state that the milling cutter of the utility model is disassembled from the cutter shaft;

fig. 2 is a schematic perspective view of the milling cutter of the present invention mounted on the cutter shaft;

fig. 3 is a schematic bottom view of the middle knife holder of the present invention.

Illustration of the drawings:

1. a tool apron; 101. mounting holes; 102. a lower bump; 103. a chute; 104. a limiting buckle; 105. a threaded sleeve; 106. a stud; 107. a knob; 2. a cutter shaft; 201. a hexagon socket head cap screw; 3. milling cutters; 301. a wheel groove; 4. a slide plate; 401. a traveler; 402. a pulley; 5. rotating a ring; 501. a chute.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an anticreep type numerically controlled fraise machine milling cutter fixed establishment, includes blade holder 1, rotates arbor 2 and the milling cutter 3 of demountable installation at 2 lower extremes of arbor of installing on blade holder 1, and the front end of arbor 2 closes soon and is connected with the hexagon socket head cap screw 201 that runs through arbor 2, and the inner of hexagon socket head cap screw 201 is laminated with milling cutter 3's outer wall mutually, and the lower extreme of blade holder 1 is located milling cutter 3's the outside and is provided with and is used for the spacing anti-disengaging mechanism of 3 anticreeps.

Specifically, as shown in fig. 1 to 3, the anti-slip mechanism includes a plurality of lower protrusions 102 fixed at equal angles to the lower end of the tool holder 1 and located outside the milling cutter 3, a sliding slot 103 opened at the lower end of the lower protrusions 102 and facing the milling cutter 3, a sliding plate 4 slidably mounted inside the sliding slot 103, a rotating ring 5 rotatably mounted between the lower protrusions 102, a sliding post 401 fixed at the lower end of the sliding plate 4 and penetrating through the rotating ring 5, and a chute 501 opened on the rotating ring 5 and corresponding to the sliding post 401, and further includes a pulley 402 rotatably mounted inside the sliding plate 4 and facing the milling cutter 3, and a wheel groove 301 opened outside the milling cutter 3 and receiving the pulley 402, so that when the pulley 402 slides into the wheel groove 301, the axial deviation and shake of the milling cutter 3 on the cutter shaft 2 can be limited.

Specifically, as shown in fig. 2 and fig. 3, a locking portion for locking the rotating ring 5 after adjustment is provided at the lower end of the tool holder 1, the locking portion includes a limit buckle 104 fixed at the lower end of the tool holder 1 and movably connected to the rotating ring 5, a thread insert 105 installed outside the limit buckle 104, a stud 106 rotatably installed inside the thread insert 105 and facing the rotating ring 5, and a knob 107 installed at the outer end of the stud 106, and the knob 107 is provided to facilitate the rotation adjustment operation of the stud 106 by an operator.

Specifically, as shown in fig. 1 to 3, the overall shape of the tool apron 1 is an L-shaped structure, and the horizontal end and the vertical end of the tool apron 1 are both provided with mounting holes 101, and the tool apron 1 is convenient to mount and fix on a tool bit of the numerically controlled milling machine through a fastener due to the arrangement of the mounting holes 101.

The working principle is as follows: when the milling cutter is used, the cutter holder 1 can be installed and fixed on a cutter head of a numerical control milling machine through the fastening piece and the installation hole 101, when the milling cutter 3 needs to be installed on the cutter shaft 2, an operator can hold and rotate the knob 107, the stud 106 can be screwed off the rotary ring 5, the rotary ring 5 can rotate clockwise below the cutter holder 1, at the moment, under the sliding action between the sliding column 401 and the chute 501, the sliding plate 4 can slide outwards in the chute 103, the milling cutter 3 can be upwards inserted between the cutter shaft 2 and the cutter holder 1, after the milling cutter 3 is inserted, the operator can rotate the rotary ring 5 anticlockwise to an initial state, at the moment, the pulley 402 on the sliding plate 4 can gradually approach and be screwed into the wheel groove 301 of the milling cutter 3, when the pulley 402 is attached to the wheel groove 301, the stud 106 can be screwed, the milling cutter 3 can be limited and locked between the cutter holder 1 and the cutter shaft 2, the hexagon socket 201 can be screwed into the cutter shaft 2 by using a tool, and the milling cutter 3 can be fixed in the cutter shaft 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an anticreep type numerically controlled fraise machine milling cutter fixed establishment, includes blade holder (1), rotates arbor (2) of installing on blade holder (1) and demountable installation at milling cutter (3) of arbor (2) lower extreme, its characterized in that, the front end of arbor (2) closes soon and is connected with hexagon socket head cap screw (201) that runs through arbor (2), the inner of hexagon socket head cap screw (201) is laminated with the outer wall of milling cutter (3) mutually, the outside that the lower extreme of blade holder (1) is located milling cutter (3) is provided with and is used for the spacing anti-disengaging mechanism of milling cutter (3) anticreep.

2. The milling cutter fixing mechanism of the numerical control milling machine with the anti-drop function as claimed in claim 1, wherein the anti-drop mechanism comprises a plurality of lower protrusions (102) fixed at the lower end of the cutter holder (1) at equal angles and located outside the milling cutter (3), a sliding chute (103) arranged at the lower end of the lower protrusions (102) and facing the milling cutter (3), a sliding plate (4) slidably mounted inside the sliding chute (103), a rotary ring (5) rotatably mounted between the lower protrusions (102), a sliding column (401) fixed at the lower end of the sliding plate (4) and penetrating through the rotary ring (5), and a chute (501) arranged on the rotary ring (5) and corresponding to the sliding column (401).

3. The milling cutter fixing mechanism of the numerical control milling machine with the anti-drop function as claimed in claim 2, wherein the anti-drop mechanism further comprises a pulley (402) rotatably mounted inside the sliding plate (4) and facing the milling cutter (3), and a wheel groove (301) opened outside the milling cutter (3) and used for accommodating the pulley (402).

4. The anti-drop numerically controlled milling machine milling cutter fixing mechanism according to claim 3, characterized in that the lower end of the cutter holder (1) is provided with a locking part for locking the rotating ring (5) after adjustment.

5. The anti-drop milling cutter fixing mechanism of the numerically controlled milling machine according to claim 4, wherein the locking portion comprises a limit buckle (104) fixed at the lower end of the cutter holder (1) and movably connected with the rotating ring (5), a threaded sleeve (105) installed outside the limit buckle (104), a threaded stud (106) rotatably installed inside the threaded sleeve (105) and facing the rotating ring (5), and a knob (107) installed at the outer end of the threaded stud (106).

6. The anti-drop milling cutter fixing mechanism of the numerically controlled milling machine according to claim 5, wherein the overall shape of the cutter holder (1) is an L-shaped structure, and the horizontal end and the vertical end of the cutter holder (1) are provided with mounting holes (101).