CN220259656U

CN220259656U - Limited transposition type circular blade milling cutter disc

Info

Publication number: CN220259656U
Application number: CN202321968145.1U
Authority: CN
Inventors: 马嘉豪
Original assignee: Jiangsu Hengjiahua Intelligent Manufacturing Research Institute Co ltd
Current assignee: Jiangsu Hengjiahua Intelligent Manufacturing Research Institute Co ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2023-12-29
Anticipated expiration: 2033-07-24

Abstract

The utility model belongs to the technical field of milling cutters, in particular to a limited-transposition type circular blade milling cutter, which comprises a milling cutter seat and a milling cutter disc, wherein a main shaft is rotationally connected inside the milling cutter seat, the outer surface of the front end of the main shaft is fixedly connected with a mounting seat, the outer surface of the mounting seat is sleeved with the milling cutter disc, the outer surface of the rear end of the milling cutter disc is provided with four circumferentially distributed pin holes, a guide plate is arranged inside the mounting seat, the inner end surface of the guide plate is fixedly provided with four circumferentially distributed guide frames, pin heads are slidingly connected inside the guide frame, and inner hexagon bolts are rotationally connected inside the guide plate, so that the problem that the milling cutter disc in the scheme is identical with the conventional milling cutter disc in mounting mode is solved, and the long milling cutter bar is tensioned and fixed in a milling machine main shaft taper hole; this results in the problem of the milling cutter head being more and cumbersome to replace and inconvenient to disassemble from the milling machine spindle.

Description

Limited transposition type circular blade milling cutter disc

Technical Field

The utility model belongs to the technical field of milling cutters, and particularly relates to a limited-transposition type circular-blade milling cutter.

Background

When machining mechanical parts, a milling cutter disc arranged on a corresponding machine tool is often used for machining the surfaces of the parts, the precision of the machined surfaces of the parts is guaranteed, the milling cutter disc is used as a cutter for machining a wider plane, a plurality of cutters are often arranged on a cutter disc main body, so that one-time milling and forming of the larger diameter surface are achieved, and machining lines generated by repeated back and forth milling are avoided;

through investigation publication (bulletin) number: 202223607861.5 it discloses a limited transposition type circular blade milling cutter disc, and in the technology, a technical scheme that 'when the blade needs to be replaced, a knob can be rotated forward, a guide plate can be driven by a moving plate to move out of a limit groove through the cooperation of a threaded rod, a transmission plate, a movable rod and a connecting block', and the like is disclosed, and the cutter disc has the technical effects that 'the limit of the blade can be relieved, the blade can be taken off from the milling cutter disc through pulling the blade, and the convenience is brought to workers to detach';

however, the installation mode of the milling cutter disc in the scheme is the same as that of a conventional milling cutter disc, namely, a long milling cutter rod is installed in a taper hole of a main shaft of a milling machine, a notch groove of a flange on the milling cutter rod is aligned with a convex key block at the main shaft end of the milling machine, and a tensioning screw rod is inserted into a hole at the rear end of the main shaft. Inserting a tensioning screw into a screw hole at the rear end of the milling cutter bar, screwing in 6-7 buckles, and finally tightening a back nut on the tensioning screw by using a spanner, so that the long milling cutter bar is tensioned and fixed in a taper hole of a milling machine main shaft; this results in a large number of steps and a cumbersome replacement of the milling cutter disc, which is inconvenient to disassemble from the milling machine spindle.

To solve the above-mentioned problems, a limited-indexable circular-blade milling cutter disc is proposed in the present application.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides the circular blade milling cutter disc with the limited transposition, which has the characteristics that the milling cutter disc can be mounted and dismounted by only rotating one inner hexagon bolt, and the mounting and dismounting are more rapid and convenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a inject circular blade milling cutter dish of transposition formula, includes milling cutter seat and milling cutter dish, the inside rotation of milling cutter seat is connected with the main shaft, the front end surface fixedly connected with mount pad of main shaft, the milling cutter dish is installed to the surface cover of mount pad, four circumference distribution's pinhole has been seted up to the rear end surface of milling cutter dish, the inside of mount pad is equipped with the deflector, the inner fixed surface of deflector has four circumference distribution's leading truck, the inside sliding connection of leading truck has the round pin head, the inside rotation of deflector is connected with hexagon socket head cap screw.

As a preferred technical scheme of the rotary circular blade milling cutter disc, a through hole is formed in the center of the inside of the milling cutter disc.

As a preferred technical scheme of the rotary type circular blade milling cutter disc, the rear end of the inner hexagon bolt penetrates through the rear end of the mounting seat and is in threaded connection with the inner part of the front end of the main shaft.

As a preferable technical scheme of the rotary circular blade milling cutter disc, a limit groove is fixed on the outer surface of the rear end of the mounting seat.

As a preferred technical scheme of the rotary circular blade milling cutter disc, a chute is arranged in the guide frame, and the guide frame is in sliding connection with the pin head through the chute.

As a preferred technical scheme of the rotary circular blade milling cutter disc, the pin heads are positioned in the outer wall of the mounting seat and are in sliding connection.

Compared with the prior art, the utility model has the beneficial effects that: when the milling cutter disc is sleeved on the mounting seat, the inner hexagon bolt is rotated clockwise to drive the guide plate to move inwards, the guide plate drives the pin head to extend to the periphery through the guide frame until the outer end of the pin head is inserted into a pin hole in the milling cutter disc, and then the milling cutter disc is fixed on the mounting seat; in the same way, the inner hexagon bolt is rotated anticlockwise when the milling cutter disc needs to be disassembled; the installation and the disassembly of the milling cutter disc can be completed by only rotating one inner hexagon bolt, and the milling cutter disc is more rapid and convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a three-dimensional assembly structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is a schematic view of the structure of the part A in FIG. 3 according to the present utility model;

in the figure: 1. a milling cutter holder; 2. milling cutter disc; 3. a pin hole; 4. a through hole; 5. a main shaft; 6. a mounting base; 7. a guide plate; 8. a guide frame; 9. a pin head; 10. an inner hexagon bolt; 11. and a limit groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a inject circular blade milling cutter dish of transposition formula, including milling cutter seat 1 and milling cutter dish 2, milling cutter seat 1's inside rotation is connected with main shaft 5, the front end surface fixedly connected with mount pad 6 of main shaft 5, the surface cover of mount pad 6 is equipped with and is installed milling cutter dish 2, four round distribution's pinhole 3 have been seted up to milling cutter dish 2's rear end surface, the inside of mount pad 6 is equipped with deflector 7, the inner end surface of deflector 7 is fixed with four guide brackets 8 of round distribution, the inside sliding connection of deflector 8 has pin head 9, deflector 7's inside rotation is connected with hexagon socket head screw 10, in this embodiment, after milling cutter dish 2 cover is established on mount pad 6, drive deflector 7 inwards movement through clockwise rotation hexagon socket head screw 10, deflector 7 drives pin head 9 through guide brackets 8 and extends all around, until the outer end of pin head 9 inserts in the pinhole 3 on milling cutter dish 2, and then fix milling cutter dish 2 on mount pad 6; in the same way, the inner hexagon bolt 10 can be rotated anticlockwise when the milling cutter disc 2 needs to be disassembled.

Specifically, the through hole 4 is formed in the center of the milling cutter 2, and in this embodiment, the socket head cap wrench can be inserted into the mounting seat 6 from the through hole 4 on the milling cutter 2, and the socket head cap bolt 10 is inserted to rotate and adjust the socket head cap wrench.

Specifically, the rear end of the socket head cap screw 10 passes through the rear end of the mounting seat 6 and is in threaded connection with the front end of the spindle 5, so that the socket head cap screw 10 can drive the guide plate 7 to move when rotating in the embodiment.

Specifically, the rear end surface of mount pad 6 is fixed with spacing groove 11, and in this embodiment after milling cutter dish 2 cover is on mount pad 6, the inside of the rear end embedding spacing groove 11 of milling cutter dish 2 is fixed a position milling cutter dish 2, is convenient for follow-up fixed.

Specifically, the inside of the guide frame 8 is provided with a chute, and the guide frame 8 is slidably connected with the pin head 9 through the chute, so that the guide frame 8 can drive the pin head 9 to vertically move through the chute in the embodiment.

Specifically, the pin head 9 is slidably connected inside the outer wall of the mounting seat 6, so that the pin head 9 moves horizontally along the inside of the outer wall of the mounting seat 6 when moving in this embodiment.

The working principle and the using flow of the utility model are as follows: firstly, sleeving a milling cutter disc 2 on a mounting seat 6, embedding the rear end of the milling cutter disc 2 into a limit groove 11, and positioning the milling cutter disc 2; then, the inner hexagonal wrench stretches into the installation seat 6 from the through hole 4 on the milling cutter disc 2, and the inner hexagonal bolt 10 is inserted to rotate clockwise, so that the inner hexagonal bolt 10 drives the guide plate 7 to move inwards, the guide plate 7 drives the pin head 9 to extend to the periphery through the guide frame 8 until the outer end of the pin head 9 is inserted into the pin hole 3 on the milling cutter disc 2, and then the milling cutter disc 2 is fixed on the installation seat 6.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a inject circular blade milling cutter dish of transposition formula, includes milling cutter seat (1) and milling cutter dish (2), its characterized in that: the inside rotation of milling cutter seat (1) is connected with main shaft (5), front end external surface fixedly connected with mount pad (6) of main shaft (5), milling cutter dish (2) are installed to the surface cover of mount pad (6), four pinhole (3) that circumference distributes have been seted up to the rear end surface of milling cutter dish (2), the inside of mount pad (6) is equipped with deflector (7), the inner fixed surface of deflector (7) has four guide brackets (8) that circumference distributes, the inside sliding connection of guide bracket (8) has round pin head (9), the inside rotation of deflector (7) is connected with hexagon socket head cap screw (10).

2. A indexable circular insert milling cutter according to claim 1, wherein: a through hole (4) is formed in the center of the inside of the milling cutter disc (2).

3. A indexable circular insert milling cutter according to claim 1, wherein: the rear end of the inner hexagon bolt (10) passes through the rear end of the mounting seat (6) and is in threaded connection with the front end of the main shaft (5).

4. A indexable circular insert milling cutter according to claim 1, wherein: and a limiting groove (11) is fixed on the outer surface of the rear end of the mounting seat (6).

5. A indexable circular insert milling cutter according to claim 1, wherein: the inside of the guide frame (8) is provided with a chute, and the guide frame (8) is in sliding connection with the pin head (9) through the chute.

6. A indexable circular insert milling cutter according to claim 1, wherein: the pin head (9) is positioned in the outer wall of the mounting seat (6) and is in sliding connection.