CN220407208U

CN220407208U - Milling cutter

Info

Publication number: CN220407208U
Application number: CN202321892900.2U
Authority: CN
Inventors: 侯大芳; 樊希麟; 林刚; 易飞; 胡智
Original assignee: Chongqing Junhe Gaoke Technology Co ltd
Current assignee: Chongqing Junhe Gaoke Technology Co ltd
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-01-30
Anticipated expiration: 2033-07-19

Abstract

The utility model discloses a milling cutter which comprises a cutter head and a cutter handle, wherein an inserting head is fixed at the bottom end of the cutter handle, a connecting sleeve matched with the inserting head is fixed in the middle of the upper surface of the cutter head, the connecting sleeve is in sliding sleeve connection with the surface of the inserting head, an inner thread sleeve fixedly connected with the cutter handle is in sliding connection with the top end of the connecting sleeve, a plurality of protruding blocks are distributed at equal intervals on the outer side wall of the cutter head and fixedly connected with the outer side wall of the cutter handle, and a cutter head is attached to the side wall of each protruding block. According to the utility model, the cutter head, the cutter handle, the plurality of convex blocks, the plurality of cutter heads and the annular plate are arranged, the plurality of cutter heads are equidistantly distributed on the outer side of the annular plate and fixedly connected with the annular plate, when the cutter heads are required to be installed on the outer side of the cutter head, the annular plate is attached to the upper surface of the cutter head, at the moment, all the cutter heads can be attached to the convex blocks on the side edge of the cutter head, and finally the cutter heads are fixed on the surface of the convex blocks through bolts, so that the plurality of cutter heads can be rapidly positioned and installed.

Description

Milling cutter

Technical Field

The utility model relates to the technical field of milling cutters, in particular to a milling cutter.

Background

The milling tool is a rotary tool having one or more cutting heads for milling, each cutting head intermittently cutting off the remainder of the work piece during operation, the milling tool primarily being used for milling planes, steps, grooves, forming surfaces, cutting off the work piece, etc.

However, in the existing milling cutter, the cutter handle and the cutter head are of an integral structure, so that when the cutter head is worn and needs to be replaced, the cutter handle and the cutter head can only be replaced integrally. Secondly, a plurality of tool bits on the blade disc are fixed in the mounting groove of blade disc side alone, so the tool bit only can separately deposit, and when installing the tool bit, need take a plurality of tool bits alone and install with the mounting groove on the alignment blade disc, lead to the installation of tool bit convenient and fast inadequately, consequently need further improvement.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a milling cutter.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a milling cutter, includes blade disc and handle of a knife, handle of a knife bottom mounting has the adapter, blade disc upper surface middle part is fixed with the adapter sleeve that matches with the adapter, and the adapter sleeve sliding sleeve cup joints in the adapter surface, adapter sleeve top sliding connection has the internal thread cover with handle of a knife fixed connection, blade disc lateral wall equidistance distributes and fixedly connected with a plurality of lugs, every the lateral wall of lug all laminates and is equipped with the tool bit, blade disc upper surface is fixed with the annular slab that is used for connecting a plurality of tool bits.

Further, the male key is fixed with to the plug lateral wall, the keyway has been seted up to the adapter sleeve inside wall, the male key joint is inside the keyway, leads to male key and keyway block for adapter sleeve and blade disc are whole can follow the handle of a knife and rotate.

Further, the outer side wall of the bottom end of the tool handle is provided with an external thread, the internal thread sleeve is rotationally connected with the external thread at the bottom end of the tool handle, and the outer side wall of the internal thread sleeve is hexagonal. The internal thread sleeve can be screwed to the bottom end of the tool handle through a spanner.

Further, the top end of the connecting sleeve is fixed with a flange, the flange is positioned inside the internal thread sleeve, the outer diameter of the flange is smaller than the inner diameter of the internal thread sleeve, and the upper surface of the flange is attached to the bottom end of the cutter handle. The internal thread sleeve presses the flanging to enable the flanging to be attached to the bottom end of the tool handle, and therefore the connecting sleeve is fixedly connected with the tool handle.

Further, a plurality of connecting plates are fixed on the outer side of the annular plate at equal intervals, the number of the connecting plates is the same as that of the cutter heads, one sides, far away from the annular plate, of the connecting plates are fixedly connected with the corresponding cutter heads, and the annular plate is fixed on the upper surface of the cutter head through bolts. Therefore, when the tool bit is disassembled and assembled, a plurality of tool bits can be positioned at one time through the annular plate.

Further, the inner diameter of the annular plate is larger than that of the inner thread sleeve, so that the annular plate can penetrate through the inner thread sleeve, and the tool bit can be conveniently detached and installed.

Further, a first screw hole is formed in one side, close to the cutter head, of the lug, a corresponding second screw hole is formed in the position, close to the first screw hole, of the cutter head, and fixing bolts are connected inside the first screw hole and the second screw hole in a co-rotating mode. The cutter head can be fixed on the side wall of the lug through the fixing bolt.

The utility model has the beneficial effects that:

1. when the cutter head is used, the cutter head, the cutter handle, the plurality of convex blocks, the plurality of cutter heads and the annular plate are arranged, the plurality of cutter heads are equidistantly distributed on the outer side of the annular plate and are fixedly connected with the annular plate, when the cutter heads are required to be mounted on the outer side of the cutter head, the annular plate is attached to the upper surface of the cutter head, all the cutter heads can be attached to the convex blocks on the side edge of the cutter head, and finally the cutter heads are fixed on the surface of the convex blocks through bolts, so that the plurality of cutter heads can be rapidly positioned and mounted.

2. When the cutter head is in use, the connecting sleeve at the top end of the cutter head can be sleeved on the surface of the connecting sleeve at the bottom end of the cutter head, and the connecting sleeve is screwed on the external thread on the surface of the cutter head through the connecting sleeve thread, so that the cutter head and the cutter head can be fixedly connected, and when the cutter head is in collision and abrasion, the cutter head can be independently replaced or the cutter head can be conveniently replaced after the cutter head is disassembled.

Drawings

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

FIG. 2 is a front cross-sectional view of the present utility model;

fig. 3 is a partial perspective view of the present utility model.

Legend description:

1. a cutterhead; 2. a knife handle; 3. a plug; 4. connecting sleeves; 5. a convex key; 6. a key slot; 7. flanging; 8. an internal thread sleeve; 9. a bump; 10. a cutter head; 11. an annular plate; 12. a connecting plate; 13. a first screw hole; 14. a second screw hole; 15. and (5) fixing bolts.

Detailed Description

As shown in fig. 1-3, the milling cutter comprises a cutter disc 1 and a cutter handle 2, wherein a plug connector 3 is fixed at the bottom end of the cutter handle 2, a connecting sleeve 4 matched with the plug connector 3 is fixed in the middle of the upper surface of the cutter disc 1, the connecting sleeve 4 is in sliding sleeve connection with the surface of the plug connector 3, an inner thread sleeve 8 fixedly connected with the cutter handle 2 is slidably connected with the top end of the connecting sleeve 4, a plurality of protruding blocks 9 are equidistantly distributed on the outer side wall of the cutter disc 1 and fixedly connected with the outer side wall of the cutter handle 1, cutter heads 10 are respectively attached to the side wall of each protruding block 9, and an annular plate 11 for connecting the plurality of cutter heads 10 is fixed on the upper surface of the cutter disc 1.

As shown in fig. 1-3, a convex key 5 is fixed on the outer side wall of the plug connector 3, a key slot 6 is formed in the inner side wall of the connecting sleeve 4, and the convex key 5 is clamped in the key slot 6. The protruding key 5 is clamped into the key groove 6, so that the cutter disc 1 and the connecting sleeve 4 can integrally rotate along with the cutter handle 2, and the torque transmission function is achieved.

As shown in fig. 1-3, an external thread is arranged on the outer side wall of the bottom end of the tool handle 2, an internal thread sleeve 8 is rotationally connected with the external thread on the bottom end of the tool handle 2, and the outer side wall of the internal thread sleeve 8 is hexagonal. The top of the connecting sleeve 4 is fixedly provided with a flanging 7, the flanging 7 is positioned inside the internal thread sleeve 8, the outer diameter of the flanging 7 is smaller than the inner diameter of the internal thread sleeve 8, and the upper surface of the flanging 7 is attached to the bottom end of the cutter handle 2. Therefore, the internal thread sleeve 8 can be screwed to the bottom end of the tool handle 2 through the wrench, and the internal thread sleeve 8 is utilized to extrude the flanging 7 to be attached to the bottom end of the tool handle 2, so that the fixed connection between the connecting sleeve 4 and the tool handle 2 can be realized.

As shown in fig. 1-3, a plurality of connecting plates 12 are fixed on the outer side of the annular plate 11 at equal intervals, the number of the plurality of connecting plates 12 is the same as that of the cutter heads 10, one side, away from the annular plate 11, of the plurality of connecting plates 12 is fixedly connected with the corresponding cutter heads 10, and the annular plate 11 is fixed on the upper surface of the cutter head 1 through bolts. The annular plate 11 has an inner diameter larger than the inner threaded sleeve 8. When a plurality of tool bits 10 are installed, the annular plate 11 passes through the internal thread sleeve 8 to be attached to the upper surface of the cutter head 1, and the annular plate 11 is fixed through bolts, and at the moment, the tool bits 10 can be attached to the corresponding convex blocks 9, so that the tool bits 10 can be conveniently and rapidly positioned at the same time.

As shown in fig. 1-3, a first screw hole 13 is formed in one side, close to the cutter head 10, of the lug 9, a corresponding second screw hole 14 is formed in the position, close to the first screw hole 13, of the cutter head 10, and a fixing bolt 15 is connected inside the first screw hole 13 and the second screw hole 14 in a co-rotating mode. So that the cutter head 10 can be fixed by the fixing bolts 15.

Working principle: if the tool bit 10 needs to be replaced, the internal thread sleeve 8 is firstly screwed off from the bottom end of the tool handle 2 through a spanner, at the moment, the connecting sleeve 4 and the plug 3 can be detached, then the bolts on the annular plate 11 and the fixing bolts 15 on all the tool bits 10 are screwed off, the annular plate 11 together with the plurality of tool bits 10 can be taken down from the tool head 1, then a new annular plate 11 with the tool bit 10 is replaced, attached to the tool head 1, and the annular plate 11 is fixed through the bolts. After the tool bit 10 and the annular plate 11 are installed, the internal thread sleeve 8 is screwed to the bottom end of the tool handle 2.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A milling cutter, characterized in that: including blade disc (1) and handle of a knife (2), handle of a knife (2) bottom mounting has bayonet joint (3), blade disc (1) upper surface middle part is fixed with adapter sleeve (4) that match with bayonet joint (3), and adapter sleeve (4) sliding sleeve in bayonet joint (3) surface, adapter sleeve (4) top sliding connection have with handle of a knife (2) fixed connection's internal thread cover (8), blade disc (1) lateral wall equidistance distributes and fixedly connected with a plurality of lug (9), every the lateral wall of lug (9) all laminates and is equipped with tool bit (10), blade disc (1) upper surface is fixed with annular plate (11) that are used for connecting a plurality of tool bits (10).

2. A milling tool as claimed in claim 1, wherein: the male connector is characterized in that a male key (5) is fixed on the outer side wall of the male connector (3), a key groove (6) is formed in the inner side wall of the connecting sleeve (4), and the male key (5) is clamped inside the key groove (6).

3. A milling tool as claimed in claim 1, wherein: the outer side wall of the bottom end of the tool handle (2) is provided with an external thread, the internal thread sleeve (8) is rotationally connected with the external thread at the bottom end of the tool handle (2), and the outer side wall of the internal thread sleeve (8) is hexagonal.

4. A milling tool according to claim 3, characterized in that: the connecting sleeve (4) top is fixed with turn-ups (7), turn-ups (7) are located inside the internal thread sleeve (8), and the external diameter of turn-ups (7) is less than the internal diameter of internal thread sleeve (8), turn-ups (7) upper surface and laminating of handle of a knife (2) bottom.

5. A milling tool as claimed in claim 1, wherein: a plurality of connecting plates (12) are fixed on the outer side of the annular plate (11) at equal intervals, the number of the connecting plates (12) is the same as that of the cutter heads (10), one side, far away from the annular plate (11), of the connecting plates (12) is fixedly connected with the corresponding cutter heads (10), and the annular plate (11) is fixed on the upper surface of the cutter head (1) through bolts.

6. A milling tool as claimed in claim 5, wherein: the inner diameter of the annular plate (11) is larger than that of the internal thread sleeve (8).

7. A milling tool as claimed in claim 1, wherein: one side of the lug (9) close to the cutter head (10) is provided with a first screw hole (13), a corresponding second screw hole (14) is formed in the position, close to the first screw hole (13), of the cutter head (10), and a fixing bolt (15) is connected inside the first screw hole (13) and the second screw hole (14) in a co-rotating mode.