CN216632732U

CN216632732U - End surface burr improved milling cutter

Info

Publication number: CN216632732U
Application number: CN202122981939.9U
Authority: CN
Inventors: 陆启连; 郭洪亮
Original assignee: Zhaoyuan Hengchen Machinery Manufacturing Co ltd
Current assignee: Zhaoyuan Hengchen Machinery Manufacturing Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-31
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses an end face burr improved milling cutter which comprises a cutter disc and a cutter handle, wherein a connecting piece is fixedly connected to the side wall of the cutter disc, a plurality of chip grooves are formed in the upper side wall of the cutter disc, blades are arranged in the chip grooves, limiting mechanisms used for limiting the positions of the blades are arranged in the chip grooves, each limiting mechanism comprises a limiting block fixedly connected to the side wall of each blade, limiting grooves matched with the limiting blocks are formed in the inner walls of the chip grooves, mounting holes are formed in the side walls of the blades, and first screws are arranged in the mounting holes. The milling cutter is provided with the limiting mechanism, so that the positions of all the blades in the chip grooves are consistent, burrs can be reduced, the milling cutter can meet production requirements, the adjustment of the position of the cutter head can be realized by arranging the adjusting mechanism, the condition that the workpiece is limited in processing due to the fact that the cutter handle is too short or too long is avoided, and the application range of the device is further expanded.

Description

End surface burr improved milling cutter

Technical Field

The utility model relates to the technical field of end milling cutters, in particular to an end burr improved milling cutter.

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, formed surfaces, cut-off workpieces and the like on a milling machine.

The existing end milling cutter comprises a cutter head, a cutter handle, blades and the like, wherein on the cutter head of a plurality of blade mounting seats, because a positioning mechanism is lacked in the existing blade mounting process, the positions of the blades cannot be accurately fixed, so that the installation positions of all the blades are not completely consistent, the tail parts of partial blades can stretch out of the cutter head, the probability of burr generation is increased, the production requirement cannot be met, and therefore the problem needs to be solved by designing an end face burr improvement type milling cutter.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an end face burr improved milling cutter.

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

the utility model provides an end face burr improves type milling cutter, includes blade disc and handle of a knife, blade disc lateral wall fixedly connected with connecting piece, the lateral wall is equipped with a plurality of chip grooves on the blade disc, be equipped with the blade in the chip groove, be equipped with the stop gear who is used for restricting the blade position in the chip groove, stop gear includes the stopper of fixed connection at the blade lateral wall, the chip groove inner wall seted up with stopper complex spacing groove, the mounting hole has been seted up to the blade lateral wall, be equipped with first screw in the mounting hole, chip groove inner wall seted up with first screw complex screw hole, be equipped with the guiding mechanism who is used for adjusting the blade disc position on the connecting piece.

Preferably, the adjusting mechanism comprises two positioning blocks penetrating through the two side walls of the connecting piece, a mounting groove is formed in the side wall of the connecting piece, one end, close to the cutter head, of the cutter handle extends into the mounting groove, and a plurality of positioning holes matched with the positioning blocks are formed in the two side walls of the cutter handle.

Preferably, the positioning holes on the same side are arranged at equal intervals, and one end of the positioning block close to the knife handle extends into the adjacent positioning hole.

Preferably, two connecting blocks are fixedly connected to two side walls of the connecting piece, slots are formed in the two side walls of the connecting piece, one end, close to the handle, of the positioning block penetrates through the inner walls of the adjacent slots and is connected with the inner walls of the adjacent slots in a sliding mode, and the two adjacent connecting blocks are symmetrically arranged relative to the central axis of the slots.

Preferably, screw holes are formed in two side walls of the positioning block, second screws are arranged in the screw holes, and one ends, far away from the positioning block, of the second screws penetrate through the side walls of the adjacent connecting blocks.

Preferably, both sides of the connecting piece are fixedly connected with protective shells, the protective shells are arranged right opposite to adjacent positioning blocks, and one ends of the positioning blocks, far away from the knife handle, are fixedly connected with pull lugs.

The utility model has the following beneficial effects:

1. the device is provided with the limiting mechanism, the blade limiting block is aligned to the limiting groove on the side wall of the chip groove, and the limiting block is limited by the limiting groove, so that the positions of all blades in the chip groove are consistent, and the phenomenon that the tiny part of each blade extends out of the chip groove due to lack of positioning in the blade mounting process is avoided, thus the generation of burrs can be reduced, and the milling cutter can meet the production requirement;

2. the device is provided with the adjusting mechanism, the second screws on two sides of the protective shell are screwed out, the two positioning blocks are pulled to be separated from the positioning holes, the cutter head can be moved rightwards or leftwards, after the cutter head moves for a proper distance, the positioning blocks are inserted into the positioning blocks again, and the two second screws are screwed in again to fix the positioning blocks, so that the position of the cutter head is adjusted, the condition that the workpiece is limited in processing due to too short or too long of the cutter handle is avoided, and the application range of the device is enlarged.

Drawings

Fig. 1 is a schematic structural view of an end face burr-improved milling cutter according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is an assembly view of a blade and a limiting block of the milling cutter with an improved end surface burr.

In the figure: the cutter comprises a cutter head 1, a cutter handle 2, a connecting piece 3, a chip groove 4, a blade 5, a limiting block 6, a limiting groove 7, a first screw 8, a positioning hole 9, a mounting groove 10, a positioning block 11, a connecting block 12, a screw hole 13, a pull lug 14, a slot 15, a second screw 16, a protective shell 17 and a mounting hole 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, an end face burr improved milling cutter comprises a cutter head 1 and a cutter handle 2, a connecting piece 3 is fixedly connected to the side wall of the cutter head 1, a plurality of chip grooves 4 are formed in the side wall of the cutter head 1, blades 5 are arranged in the chip grooves 4, limiting mechanisms used for limiting the positions of the blades 5 are arranged in the chip grooves 4, each limiting mechanism comprises a limiting block 6 fixedly connected to the side wall of each blade 5, a limiting groove 7 matched with the limiting block 6 is formed in the inner wall of each chip groove 4, a mounting hole 18 is formed in the side wall of each blade 5, a first screw 8 is arranged in each mounting hole 18, a threaded hole matched with the first screw 8 is formed in the inner wall of each chip groove 4, and the cross section of each limiting block 6 is rectangular.

Be equipped with the guiding mechanism who is used for adjusting 1 position of blade disc on connecting piece 3, guiding mechanism is including running through two locating pieces 11 that set up at the 3 both sides walls of connecting piece, mounting groove 10 has been seted up to the 3 lateral walls of connecting piece, the one end that handle of a knife 2 is close to blade disc 1 extends to in the mounting groove 10, handle of a knife 2 both sides walls all seted up a plurality ofly with locating piece 11 complex locating hole 9, with a plurality of locating hole 9 equidistant settings of one side, the one end that locating piece 11 is close to handle of a knife 2 extends to in the adjacent locating hole 9.

According to the utility model, two connecting blocks 12 are fixedly connected to two side walls of the connecting piece 3, slots 15 are formed in two side walls of the connecting piece 3, one end, close to the handle 2, of the positioning block 11 penetrates through the inner walls of the adjacent slots 15 and is in sliding connection with the inner walls, and the two adjacent connecting blocks 12 are symmetrically arranged relative to the central axis of the slots 15.

In the utility model, screw holes 13 are formed in two side walls of the positioning block 11, second screws 16 are arranged in the screw holes 13, one ends of the second screws 16, far away from the positioning block 11, penetrate through the side walls of the adjacent connecting blocks 12, and the second screws 16 fix the positioning block 11, so that the positioning block 11 is prevented from shaking, and the connecting strength of the knife handle 2 and the connecting piece 3 is ensured.

According to the utility model, two side walls of the connecting piece 3 are fixedly connected with the protective shells 17, the protective shells 17 are arranged right opposite to the adjacent positioning blocks 11, one ends of the positioning blocks 11 far away from the knife handle 2 are fixedly connected with the pull lugs 14, the protective shells 17 can protect the positioning blocks 11 and the connecting blocks 12, and the appearance of the device can be further improved.

When the blade 5 is installed, the blade 5 is placed in the chip groove 4, the limiting block 6 is aligned to the limiting groove 7 on the side wall of the chip groove 4, and the limiting groove 7 limits the limiting block 6, so that the positions of all the blades 5 in the chip groove 4 are consistent, and the situation that a tiny part of the blade 5 extends out of the chip groove 4 due to lack of positioning in the installation process of the blade 5 and the extending part of the opposite end face becomes burrs, and therefore the generation of the burrs can be reduced, and the blade 5 is fixed by screwing in the first screw 8;

when the position of the cutter head 1 needs to be adjusted, the second screws 16 on two sides of the protective shell 17 are screwed out, the two pull lugs 14 are pulled, the positioning block 11 is separated from the positioning hole 9, the cutter head 1 can be moved rightwards, after the cutter head 1 moves for a proper distance, the positioning block 11 is inserted into the positioning block 11 again, the two second screws 16 are screwed again to fix the positioning block 11, otherwise, the cutter head 1 is moved leftwards, so that the position of the cutter head 1 is adjusted, and the condition that the workpiece is limited in processing due to the fact that the cutter handle 2 is too short or too long is avoided.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention, the technical solutions and the practical concepts of the present invention equivalent or changed within the technical scope of the present invention.

Claims

1. An end face burr improved milling cutter comprises a cutter head (1) and a cutter handle (2), it is characterized in that the side wall of the cutter head (1) is fixedly connected with a connecting piece (3), a plurality of chip grooves (4) are formed in the upper side wall of the cutter head (1), blades (5) are arranged in the chip grooves (4), a limiting mechanism for limiting the position of the blade (5) is arranged in the chip groove (4), the limiting mechanism comprises a limiting block (6) fixedly connected with the side wall of the blade (5), the inner wall of the chip groove (4) is provided with a limit groove (7) matched with the limit block (6), the side wall of the blade (5) is provided with a mounting hole (18), a first screw (8) is arranged in the mounting hole (18), the inner wall of the chip groove (4) is provided with a threaded hole matched with the first screw (8), and an adjusting mechanism for adjusting the position of the cutter head (1) is arranged on the connecting piece (3).

2. The end face burr improving milling cutter according to claim 1, wherein the adjusting mechanism comprises two positioning blocks (11) penetrating through two side walls of the connecting member (3), a mounting groove (10) is formed in the side wall of the connecting member (3), one end of the cutter handle (2) close to the cutter head (1) extends into the mounting groove (10), and a plurality of positioning holes (9) matched with the positioning blocks (11) are formed in two side walls of the cutter handle (2).

3. The end burr improved milling cutter as claimed in claim 2, wherein said positioning holes (9) on the same side are equally spaced, and one end of said positioning block (11) adjacent to the shank (2) extends into an adjacent positioning hole (9).

4. The end face burr improvement type milling cutter according to claim 3, wherein two connecting blocks (12) are fixedly connected to two side walls of the connecting member (3), slots (15) are formed in two side walls of the connecting member (3), one end of the positioning block (11) close to the cutter handle (2) penetrates through the inner walls of the adjacent slots (15) and is in sliding connection with the inner walls, and the two adjacent connecting blocks (12) are symmetrically arranged relative to the central axis of the slots (15).

5. The end burr improving milling cutter according to claim 4, wherein both side walls of the positioning block (11) are provided with screw holes (13), a second screw (16) is arranged in each screw hole (13), and one end of each second screw (16) far away from the positioning block (11) penetrates through the side wall of the adjacent connecting block (12).

6. The end burr improved milling cutter according to claim 5, wherein a protective shell (17) is fixedly connected to both side walls of the connecting member (3), the protective shell (17) is arranged opposite to the adjacent positioning block (11), and a pull lug (14) is fixedly connected to one end of the positioning block (11) far away from the cutter handle (2).