CN218983310U

CN218983310U - T-shaped milling cutter convenient for blade replacement

Info

Publication number: CN218983310U
Application number: CN202223055579.0U
Authority: CN
Inventors: 蒋力; 刘丽燕; 汤鹏飞
Original assignee: Changzhou Zhuoma Tools Co ltd
Current assignee: Changzhou Zhuoma Tools Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-05-09
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses a T-shaped milling cutter with blades convenient to replace, which comprises a cutter bar and a blade assembly. The beneficial effects of the utility model are as follows: through setting up the blade subassembly, the user can unscrew fastening bolt, then takes off clamp plate and briquetting, takes out the blade next, changes into new blade can, then is connected the briquetting through installation piece, fastening bolt and screw and installation piece again, can accomplish the change to the blade, need not to drill the blade, and then can ensure the integrality of blade, further prevents the fracture.

Description

T-shaped milling cutter convenient for blade replacement

Technical Field

The utility model relates to a T-shaped milling cutter, in particular to a T-shaped milling cutter with a blade convenient to replace, and belongs to the technical field of milling cutters.

Background

The milling cutter is a rotary cutter for milling machining and provided with one or more cutter teeth, each cutter tooth cuts the allowance of a workpiece intermittently in sequence during working, the milling cutter is mainly used for machining planes, steps, grooves, forming surfaces, cutting off the workpiece and the like on a milling machine, the milling cutter comprises a T-shaped milling cutter, the T-shaped milling cutter is also called a T-shaped groove milling cutter, and the T-shaped milling cutter is used for machining T-shaped grooves on various machine tables or other components.

However, when some existing T-shaped milling cutters are used for machining T-shaped grooves, the blades are generally not detachable, when the blades are seriously worn, the whole cutter is generally replaced, so that the use cost is increased, and for some detachable blades, screw holes formed in the blades are mainly fastened and connected by screws and the like, the overall structural strength is reduced due to the fact that the blades are drilled, and the blades are easy to break.

Disclosure of Invention

The present utility model aims to solve at least one of the above-mentioned problems by providing a T-shaped milling cutter that facilitates replacement of inserts.

The utility model realizes the above purpose through the following technical scheme: a T-shaped milling cutter with a blade convenient to replace comprises

The cutter bar is arranged on the upper side of the cutter, the upper end of the cutter bar is fixedly connected with the mounting head, and the lower end of the cutter bar is provided with the cutter head;

the blade assembly is used for milling a workpiece, is arranged on the surface of the cutter head, and comprises cutter seats which are arranged on the surface of the cutter head in a circular array and blades which are arranged inside the cutter seats.

As still further aspects of the utility model: the cutter bar, the cutter head and the cutter blade are made of tungsten steel materials.

As still further aspects of the utility model: the inner surface of the tool apron is fixedly connected with a positioning block, and the bottom surface of the blade is provided with a positioning groove matched with the positioning block.

As still further aspects of the utility model: the surface of the blade is provided with antirust paint.

As still further aspects of the utility model: the surface symmetry fixedly connected with two installation pieces of blade holder, the surface of blade is provided with the briquetting, is provided with the clamp plate above two installation pieces, and the surface symmetry of clamp plate is inserted and is equipped with fastening bolt, fastening bolt and clamp plate threaded connection, and the screw that cooperatees with fastening bolt is seted up on the surface of installation piece, and the briquetting passes through installation piece, fastening bolt and screw and installation piece fixed connection.

The beneficial effects of the utility model are as follows:

according to the utility model, by arranging the blade assembly, when the blade is seriously worn, a user can unscrew the fastening bolt, then take down the pressing plate and the pressing block, take out the blade, replace the blade with a new blade, and then connect the pressing block with the mounting block through the mounting block, the fastening bolt and the screw hole, so that the replacement of the blade can be completed, the blade is not required to be drilled, the integrity of the blade can be ensured, and the fracture is further prevented.

Drawings

FIG. 1 is a schematic view of the overall appearance structure of the present utility model;

FIG. 2 is a schematic diagram of the overall bottom view structure of the present utility model;

FIG. 3 is a schematic view of the structure of the pressing block and the tool holder in the utility model;

fig. 4 is a schematic view of the tool holder and insert according to the present utility model.

In the figure: 1. the cutter bar, 2, the mounting head, 3, the cutter head, 4, the blade assembly, 41, the cutter holder, 42, the blade, 43, the pressing block, 44, the pressing plate, 45, the fastening bolt, 46, the mounting block, 47, the positioning block, 48 and the positioning groove; 49. screw holes.

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.

Example 1

As shown in fig. 1 to 4, a T-shaped milling cutter for facilitating replacement of inserts, comprising

The cutter bar 1 is arranged on the upper side of the cutter, the upper end of the cutter bar is fixedly connected with the mounting head 2, and the lower end of the cutter bar is provided with the cutter head 3;

a blade assembly 4 for milling a workpiece, which is provided on the surface of the cutterhead 3, and which comprises a blade holder 41 provided in a circular array on the surface of the cutterhead 3 and a blade 42 mounted inside the blade holder 41.

Example two

As shown in fig. 1 to 4, this embodiment includes, in addition to all the technical features of the first embodiment, the following steps:

the cutter bar 1, the cutter head 3 and the cutter blade 42 are made of tungsten steel materials, so that the self hardness of the cutter can be improved, and the service life of the cutter can be prolonged.

The surface of the blade 42 is provided with an anti-rust paint, which can improve the rust resistance of the tool.

Example III

the internal surface fixedly connected with locating piece 47 of blade holder 41, the constant head tank 48 with locating piece 47 assorted is seted up to the bottom surface of blade 42, conveniently puts the quick card of blade 42 in blade holder 41, improves assembly efficiency.

Example IV

the surface symmetry fixedly connected with two installation blocks 46 of blade holder 41, the surface of blade 42 is provided with briquetting 43, two installation blocks 46 top is provided with briquetting 43, the surface symmetry of clamp plate 44 has been inserted fastening bolt 45, fastening bolt 45 and clamp plate 44 threaded connection, the screw 49 that cooperatees with fastening bolt 45 is seted up on the surface of installation block 46, briquetting 43 passes through installation block 46, fastening bolt 45 and screw 49 and installation block 46 fixed connection, when the in-process of using, blade 42 wearing and tearing are serious, unscrew fastening bolt 45 this moment, then take off clamp plate 44 and briquetting 43, then take out blade 42, change into new blade 42 can, then pass through installation block 46 with briquetting 43 and screw 49 and installation block 46 fixed connection, can accomplish the change to blade 42.

Working principle: when the T-shaped milling cutter convenient for replacing the cutter blade is used, the cutter blade is connected with a machine tool through the mounting head 2, when the cutter blade 42 is severely worn in the use process, the fastening bolt 45 is unscrewed, then the pressing plate 44 and the pressing block 43 are taken down, then the cutter blade 42 is taken out and replaced by a new cutter blade 42, then the pressing block 43 is fixedly connected with the mounting block 46 through the mounting block 46, the fastening bolt 45 and the screw hole 49, the replacement of the cutter blade 42 can be completed, and the cutter blade 42 is conveniently clamped in the cutter seat 41 by arranging the positioning block 47 and the positioning groove 48, so that the assembly efficiency is improved, the cutter bar 1, the cutter disc 3 and the cutter blade 42 are all made of tungsten steel materials, the self hardness of the cutter blade can be improved, and the service life of the cutter blade is further prolonged.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A T-shaped milling cutter with conveniently replaced blade is characterized by comprising

The cutter bar (1) is arranged on the upper side of the cutter, the upper end of the cutter bar is fixedly connected with the mounting head (2), and the lower end of the cutter bar is provided with the cutter head (3);

the blade assembly (4) is used for milling a workpiece, is arranged on the surface of the cutter disc (3), and comprises a cutter seat (41) which is arranged on the surface of the cutter disc (3) in a circular array and blades (42) which are arranged inside the cutter seat (41).

2. A T-milling cutter for facilitating replacement of inserts according to claim 1, wherein: the cutter bar (1), the cutter head (3) and the blade (42) are made of tungsten steel materials.

3. A T-milling cutter for facilitating replacement of inserts according to claim 1, wherein: the inner surface of the tool apron (41) is fixedly connected with a positioning block (47), and a positioning groove (48) matched with the positioning block (47) is formed in the bottom surface of the blade (42).

4. A T-milling cutter for facilitating replacement of inserts according to claim 1, wherein: the surface of the blade (42) is provided with an anti-rust paint.

5. A T-milling cutter for facilitating replacement of inserts according to claim 1, wherein: two installation blocks (46) are symmetrically and fixedly connected to the surface of the tool apron (41), pressing blocks (43) are arranged on the surface of the blade (42), pressing plates (44) are arranged above the installation blocks (46), fastening bolts (45) are symmetrically inserted into the surface of each pressing plate (44), the fastening bolts (45) are in threaded connection with the pressing plates (44), screw holes (49) matched with the fastening bolts (45) are formed in the surface of each installation block (46), and the pressing blocks (43) are fixedly connected with the installation blocks (46) through the installation blocks (46), the fastening bolts (45) and the screw holes (49).