CN217666690U

CN217666690U - Alloy three-edge milling cutter

Info

Publication number: CN217666690U
Application number: CN202220565797.XU
Authority: CN
Inventors: 郭毅; 张鹏云
Original assignee: Chengdu Jingmai Precision Machinery Co ltd
Current assignee: Chengdu Jingmai Precision Machinery Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-10-28
Anticipated expiration: 2032-03-14

Abstract

The application provides alloy three-edge milling cutter belongs to milling cutter technical field. The alloy three-edge milling cutter comprises a milling cutter body part and a milling cutter fixing part. The milling cutter comprises a milling cutter main body and is characterized in that the milling cutter main body comprises a disc-shaped fixing seat, a cutter holder and blades, the cutter holder is centrosymmetrically and fixedly arranged on the outer ring surface of the disc-shaped fixing seat, the cutter holder is far away from one side of the disc-shaped fixing seat and is provided with a wedge-shaped clamping groove, the blades are arranged inside the wedge-shaped clamping groove, and the side face of the disc-shaped fixing seat is provided with through grooves with the same number as the cutter holders. Milling cutter fixed part includes wedge and adjusting bolt and places the blade in wedge draw-in groove wedge one side, rotates adjusting bolt, and adjusting bolt moves along the bolt axial while pivoted, and pivoted adjusting bolt drives the wedge and removes fixedly with the blade centre gripping in wedge draw-in groove inside promptly, and it is fixed to easily accomplish the blade installation promptly.

Description

Alloy three-edge milling cutter

Technical Field

The application relates to the field of milling cutters, in particular to an alloy three-edge milling cutter.

Background

The three-edge milling cutter has the main cutting edges on the circumferential surface and the auxiliary cutting edges on the two side surfaces, so that the cutting conditions are improved, the cutting efficiency is improved, and the surface roughness is reduced. The milling cutter is mainly used for milling the stepped surface and the grooved surface of a metal material with medium hardness and strength and can also be used for processing a non-metal material, and the superhard material three-edge milling cutter is used for milling the stepped surface and the grooved surface of a material difficult to cut.

The three-edge milling cutter in the related art is inconvenient for blade replacement, and cannot be used for reinforcing and adjusting the blade when the blade is machined for a long time and becomes loose.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, this application provides alloy three-edge milling cutter, aims at improving three-edge milling cutter and is not convenient for carry out the blade change, and can't consolidate the problem of adjusting to the blade when not hard up situation appears in long-time processing blade.

The embodiment of the application provides an alloy three-sided edge milling cutter, including milling cutter main part and milling cutter fixed part.

Milling cutter main part includes disk fixing base, blade holder and blade, a plurality of the blade holder be central symmetry fixed set up in disk fixing base outer lane surface, the blade holder is kept away from disk fixing base one side has been seted up the wedge draw-in groove, the blade set up in inside the wedge draw-in groove, disk fixing base side be provided with the same logical groove of blade holder quantity.

Milling cutter fixed part includes wedge and adjusting bolt, the wedge is located blade one side, just the wedge with a wedge draw-in groove inner wall slides and sets up, adjusting bolt set up in lead to inslot portion, adjusting bolt's screw rod spiro union run through in the disc fixing base, adjusting bolt's screw rod tip activity run through in the blade holder extremely in the wedge draw-in groove, just adjusting bolt's screw rod tip with the wedge bottom is rotated and is connected.

When the blade needs to be installed, the blade is placed on one side of the wedge block in the wedge-shaped clamping groove, the adjusting bolt is rotated, the adjusting bolt moves axially along the bolt while rotating, namely, the rotating adjusting bolt drives the wedge block to move inside the wedge-shaped clamping groove to clamp and fix the blade, and the blade is easily installed and fixed. When the blade needs to be detached, only the adjusting bolt needs to be rotated reversely, so that the wedge block moves towards the outer side of the wedge-shaped clamping groove to be separated from the blade, and the blade can be detached easily. When the blade is loosened, the adjusting bolt is rotated to drive the wedge-shaped block to further clamp the blade when the milling cutter stops running, so that the blade can be further fixed, and a good fastening and adjusting effect can be achieved.

In a specific embodiment, a sliding block is fixedly arranged on one side, away from the blade, of the wedge-shaped block, and the sliding block is arranged in a sliding manner with one side wall of the wedge-shaped clamping groove.

In the implementation process, a sliding groove matched with the sliding block is arranged on one side wall, away from the blade, of the wedge-shaped clamping groove, and the sliding groove and the sliding block are of T-shaped structures. The sliding block and the sliding groove are arranged to stably adjust the wedge-shaped block to slide in the wedge-shaped clamping groove.

In a specific embodiment, a longitudinal strip-shaped groove is formed in one side, close to the blade, of the wedge-shaped clamping groove; the longitudinal strip-shaped groove prevents the blade from being attached to the interior of the wedge-shaped clamping groove, and the blade is convenient to take down.

In the implementation process, the two sides of the cutter holder are fixedly connected with the lug plates, the fixing bolts are arranged between the lug plates and the disc-shaped fixing seats, the lug plates and the fixing bolts are matched to fix the cutter holder, and when one group of cutter holders are damaged, the single cutter holder can be replaced.

In a specific embodiment, an insertion block is fixedly connected to one side of the tool apron close to the disc-shaped fixed seat, and a slot matched with the insertion block is formed in the surface of the outer ring of the disc-shaped fixed seat; the matching of the insertion block and the slot is used for positioning the cutter holder outside the disc-shaped fixed seat to fix the bolt, and the cutter holder which rotates and cuts is more stable.

In the implementation process, anti-skid grains are respectively arranged on one side of the wedge-shaped block close to the blade and on the inner wall of the wedge-shaped clamping groove close to the blade; the anti-slip lines are used for enhancing the clamping and fixing of the blade and play a good role in preventing loosening.

In a specific embodiment, a threaded hole is formed in the surface of the outer ring of the disc-shaped fixed seat, the threaded hole is communicated with the through groove, and the adjusting bolt is matched with the threaded hole in a threaded manner; the threaded hole is used for mounting an adjusting bolt in a threaded manner.

In the implementation process, a through hole is formed in the bottom of the cutter holder and communicated with the wedge-shaped clamping groove, and the end of the screw rod of the adjusting bolt penetrates through the through hole in a sliding manner; the through hole is used for slidably mounting the adjusting bolt.

In a specific embodiment, the side surface of the disc-shaped fixed seat is provided with a mounting hole, a positioning bolt is correspondingly arranged in the mounting hole, and the mounting hole and the positioning bolt are arranged to fixedly connect the disc-shaped fixed seat with equipment.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic structural view of an alloy three-edge milling cutter provided by an embodiment of the present application;

fig. 2 is a schematic structural view of a fixing seat, a tool seat, an insert and a fixing part of a milling cutter provided in an embodiment of the present application;

fig. 3 is a schematic structural view of a fixing portion of a milling cutter provided in an embodiment of the present application;

fig. 4 is an enlarged schematic structural diagram of a portion a in fig. 2 according to an embodiment of the present disclosure.

In the figure: 10-a milling cutter body portion; 110-a disc-shaped fixing seat; 111-through slots; 112-a threaded hole; 113-a slot; 120-a tool apron; 121-wedge shaped card slot; 122-a chute; 123-longitudinal strip-shaped grooves; 130-a blade; 140-an insert block; 150-ear plate; 160-fixing bolt; 20-a milling cutter fixing part; 210-a wedge block; 220-adjusting the bolt; 230-slider.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Referring to fig. 1-4, the present application provides an alloy three-sided edge milling cutter including a cutter body portion 10 and a cutter retention portion 20.

Referring to fig. 1 and 2, the milling cutter body portion 10 includes a disc-shaped holder 110, a seat 120 and an insert 130. The plurality of tool holders 120 are fixed on the outer ring surface of the disc-shaped fixing base 110 in a centrosymmetric manner, a wedge-shaped clamping groove 121 is formed in one side of the tool holder 120, which is away from the disc-shaped fixing base 110, the blade 130 is arranged inside the wedge-shaped clamping groove 121, and the side surface of the disc-shaped fixing base 110 is provided with through grooves 111 with the same number as the tool holders 120.

In a specific setting, please refer to fig. 1, a mounting hole is formed in a side surface of the disc-shaped fixing base 110, and a positioning bolt is correspondingly disposed inside the mounting hole, wherein the mounting hole and the positioning bolt are configured to fixedly connect the disc-shaped fixing base 110 and the device.

In the above embodiment, referring to fig. 2 and 4, a longitudinal groove 123 is disposed on one side of the wedge-shaped slot 121 close to the blade 130; the longitudinal strip-shaped groove 123 prevents the blade 130 from being attached to the interior of the wedge-shaped clamping groove 121, and facilitates the removal of the blade 130. Both sides of the tool apron 120 are fixedly connected with ear plates 150, and the tool apron 120 and the ear plates 150 are integrally formed. A fixing bolt 160 is arranged between the lug plate 150 and the disc-shaped fixed seat 110, and the lug plate 150 and the fixing bolt 160 are matched for fixing the tool holders 120, so that when one group of tool holders 120 is damaged, the single tool holder 120 can be replaced. The insert block 140 is fixedly connected to one side of the tool apron 120 close to the disc-shaped fixing seat 110, and the tool apron 120 and the insert block 140 are fixed by welding; the outer ring surface of the disc-shaped fixed seat 110 is provided with a slot 113 matched with the insertion block 140; the cooperation between the insert 140 and the slot 113 is used to position the tool holder 120 outside the disc-shaped fixing base 110 for fixing the fixing bolt 160, and to make the tool holder 120 more stable during the rotation cutting operation.

Referring to fig. 2 and 3, the milling cutter fixing part 20 includes a wedge block 210 and an adjusting bolt 220. The wedge block 210 is located at one side of the blade 130, and the wedge block 210 is slidably disposed with an inner wall of the wedge slot 121. The adjusting bolt 220 is disposed inside the through groove 111, a screw of the adjusting bolt 220 is screwed to the disc-shaped fixing seat 110, an end of the screw of the adjusting bolt 220 movably penetrates through the tool holder 120 to the wedge-shaped slot 121, and an end of the screw of the adjusting bolt 220 is rotatably connected to a bottom end of the wedge block 210. When the blade 130 needs to be installed, the blade 130 is placed on one side of the wedge block 210 in the wedge-shaped clamping groove 121, the adjusting bolt 220 is rotated, the adjusting bolt 220 moves axially along the bolt while rotating, namely, the rotating adjusting bolt 220 drives the wedge block 210 to move inside the wedge-shaped clamping groove 121 to clamp and fix the blade 130, and the installation and fixation of the blade 130 are easily completed. When the blade 130 needs to be detached, the adjusting bolt 220 is rotated reversely, so that the wedge block 210 moves towards the outer side of the wedge-shaped clamping groove 121 and is separated from the blade 130, and the detachment of the blade 130 can be easily completed. When the blade 130 is loosened, the adjusting bolt 220 is rotated to drive the wedge block 210 to further clamp the blade 130 when the milling cutter stops running, so that the blade 130 can be further fixed, and a good fastening and adjusting effect can be achieved.

In a specific embodiment, referring to fig. 2 and fig. 3, a sliding block 230 is fixedly disposed on a side of the wedge block 210 away from the blade 130, and the wedge block 210 and the sliding block 230 are integrally formed; the sliding block 230 is slidably disposed with a sidewall of the wedge-shaped slot 121. A sliding groove 122 matched with the sliding block 230 is arranged on one side wall of the wedge-shaped clamping groove 121 far away from the blade 130, and the sliding groove 122 and the sliding block 230 are both in a T-shaped structure. The sliding block 230 and the sliding slot 122 are arranged to stably adjust the sliding of the wedge block 210 in the wedge-shaped slot 121.

Further, referring to fig. 2 and 4, the outer ring surface of the disc-shaped fixing seat 110 is provided with a threaded hole 112, the threaded hole 112 is communicated with the through groove 111, and the adjusting bolt 220 is screwed with the threaded hole 112; the threaded hole 112 is for threadedly mounting an adjustment bolt 220. A through hole is formed in the bottom of the tool apron 120 and communicated with the wedge-shaped clamping groove 121, and the end of a screw rod of the adjusting bolt 220 penetrates through the through hole in a sliding manner; the through-hole is used to slidably mount the adjusting bolt 220. The wedge block 210 close to one side of the blade 130 and the wedge clamping groove 121 close to the inner wall of the blade 130 are respectively provided with anti-skid threads; the anti-slip lines strengthen the clamping and fixing of the blade 130, and play a good role in preventing loosening.

The working principle of the alloy three-edge milling cutter is as follows: when the blade 130 needs to be installed, the blade 130 is placed on one side of the wedge block 210 in the wedge clamping groove 121, the adjusting bolt 220 is rotated, the adjusting bolt 220 moves axially along the bolt while rotating, namely, the rotating adjusting bolt 220 drives the wedge block 210 to move inside the wedge clamping groove 121 to clamp and fix the blade 130, and the installation and fixation of the blade 130 are easily completed. When the blade 130 needs to be detached, the adjusting bolt 220 only needs to be rotated reversely, so that the wedge block 210 moves towards the outer side of the wedge-shaped clamping groove 121 and is separated from the blade 130, and the detachment of the blade 130 can be easily completed. When the blade 130 is loosened, the adjusting bolt 220 is rotated to drive the wedge block 210 to further clamp the blade 130 when the milling cutter stops running, so that the blade 130 can be further fixed, and a good fastening and adjusting effect can be achieved.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. An alloy three-edge milling cutter, characterized by comprising

The milling cutter body part (10) comprises a disc-shaped fixed seat (110), a plurality of tool holders (120) and blades (130), wherein the tool holders (120) are fixed on the outer ring surface of the disc-shaped fixed seat (110) in a centrosymmetric manner, one side, away from the disc-shaped fixed seat (110), of each tool holder (120) is provided with a wedge-shaped clamping groove (121), the blades (130) are arranged in the wedge-shaped clamping grooves (121), and the side surface of the disc-shaped fixed seat (110) is provided with through grooves (111) the number of which is the same as that of the tool holders (120);

milling cutter fixed part (20), milling cutter fixed part (20) include wedge (210) and adjusting bolt (220), wedge (210) are located blade (130) one side, just wedge (210) with a wedge draw-in groove (121) inner wall slides and sets up, adjusting bolt (220) set up in it is inside to lead to groove (111), the screw rod spiro union of adjusting bolt (220) run through in disc fixing base (110), the screw rod tip activity of adjusting bolt (220) run through in blade holder (120) extremely in wedge draw-in groove (121), just the screw rod tip of adjusting bolt (220) with wedge (210) bottom is rotated and is connected.

2. The alloy three-edge milling cutter according to claim 1, wherein a sliding block (230) is fixedly arranged on one side of the wedge block (210) far away from the blade (130), and the sliding block (230) is arranged in a sliding manner with one side wall of the wedge clamping groove (121).

3. The alloy three-edge milling cutter according to claim 2, wherein a sliding groove (122) matched with the sliding block (230) is formed in one side wall of the wedge-shaped clamping groove (121) away from the blade (130), and the sliding groove (122) and the sliding block (230) are both in a T-shaped structure.

4. The alloy three-sided blade milling cutter according to claim 1, wherein the wedge-shaped clamping groove (121) is provided with a longitudinal strip-shaped groove (123) on a side close to the blade (130).

5. The alloy three-sided blade milling cutter according to claim 1, wherein an ear plate (150) is fixedly connected to both sides of the tool holder (120), and a fixing bolt (160) is disposed between the ear plate (150) and the disc-shaped fixing seat (110).

6. The alloy three-edge milling cutter as claimed in claim 5, wherein an insert (140) is fixedly connected to one side of the tool holder (120) close to the disc-shaped fixed seat (110), and a slot (113) matched with the insert (140) is formed in the surface of the outer ring of the disc-shaped fixed seat (110).

7. The alloy three-sided edge milling cutter according to claim 1, wherein the wedge block (210) and the wedge groove (121) are respectively provided with anti-slip threads on the side close to the insert (130) and on the inner wall close to the insert (130).

8. The alloy three-edge milling cutter as claimed in claim 1, wherein the outer ring surface of the disc-shaped fixed seat (110) is provided with a threaded hole (112), the threaded hole (112) is communicated with the through groove (111), and the adjusting bolt (220) is in threaded fit with the threaded hole (112).

9. The alloy three-sided blade milling cutter according to claim 1, wherein a through hole is formed in the bottom of the tool holder (120), the through hole is communicated with the wedge-shaped clamping groove (121), and the end of the screw of the adjusting bolt (220) is slidably inserted through the through hole.

10. The alloy three-edge milling cutter according to claim 1, wherein the disc-shaped fixing seat (110) is provided with a mounting hole on a side surface, and a positioning bolt is correspondingly arranged inside the mounting hole.