CN220259662U

CN220259662U - Chamfering tool

Info

Publication number: CN220259662U
Application number: CN202321508924.3U
Authority: CN
Inventors: 刘卓效; 王好芳; 刘豪强; 靳鉴
Original assignee: Ningbo Suyite Precision Tools Co ltd
Current assignee: Ningbo Suyite Precision Tools Co ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-12-29
Anticipated expiration: 2033-06-13

Abstract

The utility model discloses a chamfering tool, which belongs to the technical field of milling cutter design and comprises a tool bit body, wherein a tool shank body is fixedly connected to the tool bit body, a mounting structure, a replacing structure and a heat dissipation structure are arranged in the tool bit body, and a plurality of ventilation grooves are formed in the tool bit body; through setting up the ventilation groove, gather fan housing and heat radiation structure, when operating personnel used this chamfer sword to carry out processing to the work piece, the friction that replacement blade and work piece surface last can produce heat, heating panel and fin adsorb the heat on replacement blade surface, simultaneously because the handle of a knife body drive tool bit body and gather the fan housing and rotate, the inside air can enter into the ventilation groove through gathering the fan housing, the inside air of ventilation groove is when circulating fast, can give off the heat of heating panel and fin surface and handle, thereby reduce the temperature of replacement blade fast, provide certain guard action to replacement blade, guarantee the life of this chamfer sword.

Description

Chamfering tool

Technical Field

The utility model belongs to the technical field of milling cutter design, and particularly relates to a chamfering tool.

Background

The chamfering tool is a tool which is assembled on a milling machine, a drilling machine, a planing machine, a chamfering machine and other machine tools and is used for machining sixty-degree or ninety-degree chamfer angles and chamfer angles of taper holes of workpieces, belongs to an end mill, is also called a chamfering device, has wide application range, is not only suitable for chamfering of common mechanical workpieces, but also suitable for chamfering and deburring of precise difficult-to-chamfer workpieces

The utility model provides an integral type cutter arbor of patent number CN206474694U, blade, bolt, integral type cutter arbor is including tool bit and the cylinder handle of a knife that is bipyramid structure, the upper and lower conical surface of tool bit is the conical surface personally submits 45 with the level, the tool bit has the blade mounting groove, have three along the bolt hole of straight line equipartition in the blade mounting groove for adjustment and fixed mounting position of blade, so that the cutting scope of blade can cover the generating line of bipyramid tool bit, the installation face of blade mounting groove needs to surpass bipyramid tool bit center 4.5 mm's thickness, so that form a natural rake angle after making the blade installation. The chamfering tool is simple in structure and convenient to clamp, different blades can be replaced according to actual conditions such as workpiece materials, cutting positions, cutting areas and chamfering angles, flexibility is achieved, and applicability is high.

Because the utility model is used for processing the workpiece, the blade on the surface can directly rub with the workpiece, and the temperature of the surface of the blade rises after the blade is rubbed, but the surface of the utility model is not provided with a heat dissipation component, so that the blade is easy to deform under the action of high temperature in the long-term use process, thereby influencing the service life of the blade and having certain limitation.

Disclosure of Invention

The present utility model is directed to a chamfering tool to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a chamfer sword, includes the tool bit body, fixedly connected with handle of a knife body on the tool bit body, the inside mounting structure, replacement structure and the heat radiation structure of being equipped with of tool bit body, the inside a plurality of ventilation groove that is equipped with of tool bit body, the top fixedly connected with of tool bit body gathers the fan housing, the quantity and the position that gather the fan housing all correspond each other with the ventilation groove, the heat radiation structure includes the heating panel, a plurality of the equal fixedly connected with in tool bit body surface of heating panel, fixedly connected with a plurality of fin on the heating panel.

As a preferred implementation mode, a plurality of protection otter boards are fixedly connected to the cutter head body, the number of the protection otter boards is twice that of the ventilation grooves, and the protection otter boards are positioned at the end parts of the ventilation grooves.

As a preferred embodiment, the cross-sectional shapes of the heat radiating plate and the heat radiating fin are arranged in a T shape, and the heat radiating plate and the heat radiating fin are both positioned inside the ventilation groove.

As a preferred implementation mode, the mounting structure comprises a limiting plate and a threaded mounting groove, wherein a plurality of groups of limiting plates are fixedly connected to the surface of the cutter head body, two pressing baffle plates are fixedly connected to the same group of limiting plates, a plurality of threaded mounting grooves are formed in the surface of the cutter head body, and the cross section of each limiting plate is in a right trapezoid shape.

As a preferred implementation mode, the replacement structure includes the replacement blade, a plurality of the equal sliding connection of replacement blade is in tool bit body surface, fixedly connected with installation piece on the replacement blade, replacement blade and installation piece all with two limiting plates sliding connection of same group that are close to, pressing baffle closely laminates with the replacement blade that is close to.

As a preferred embodiment, the cross-sectional shape between the replacement blade and the mounting block is provided in an "L" shape, and the mounting block surface is provided with a fastening bolt screwed into the threaded mounting groove.

Compared with the prior art, the utility model has the beneficial effects that:

according to the chamfering tool, the ventilation groove, the wind gathering cover and the heat dissipation structure are arranged, when an operator uses the chamfering tool to process a workpiece, heat is generated due to continuous friction between the surface of the replacing blade and the surface of the workpiece, the heat dissipation plate and the heat dissipation plate absorb the heat on the surface of the replacing blade, meanwhile, when the tool holder body drives the tool bit body and the wind gathering cover to rotate, air can enter the ventilation groove through the wind gathering cover, and when the air in the ventilation groove circulates rapidly, the heat on the surfaces of the heat dissipation plate and the heat dissipation plate can be dissipated, so that the temperature of the replacing blade is reduced rapidly, a certain protection effect is provided for the replacing blade, and the service life of the chamfering tool is guaranteed;

according to the utility model, through the arrangement of the mounting structure and the replacement structure, when the replacement blade is damaged in the long-term use process of the chamfering tool, and the replacement blade is required to be replaced, an operator directly adjusts the fastening bolt, so that the fastening bolt is disconnected with the threaded mounting groove, the damaged replacement blade is taken down and replaced, and the limiting plate and the pressing baffle can provide a certain limiting effect for the replacement blade and the mounting block, thereby ensuring the mounting stability of the replacement blade.

Drawings

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

FIG. 2 is a schematic diagram showing the connection of the tool bit body, the tool shank body and the wind gathering cover;

FIG. 3 is a schematic diagram showing the connection of a heat sink and a heat sink;

fig. 4 is an enlarged schematic view of the portion a of the structure of the present utility model.

In the figure: 1. a cutter head body; 2. a shank body; 3. a mounting structure; 301. a limiting plate; 302. pressing the baffle; 303. a thread installation groove; 4. replacing the structure; 401. replacing the blade; 402. a mounting block; 403. a fastening bolt; 5. a ventilation groove; 6. a wind collecting hood; 7. a protective screen; 8. a heat dissipation structure; 801. a heat dissipation plate; 802. a heat sink.

Detailed Description

The utility model is further described below with reference to examples.

The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.

Referring to fig. 1-4, the present utility model provides a chamfering tool, which comprises a tool bit body 1, wherein a tool shank body 2 is fixedly connected to the tool bit body 1, a mounting structure 3, a replacing structure 4 and a heat dissipation structure 8 are arranged in the tool bit body 1, a plurality of ventilation slots 5 are arranged in the tool bit body 1, a plurality of wind collecting hoods 6 are fixedly connected to the top end of the tool bit body 1, the number and positions of the wind collecting hoods 6 are corresponding to the ventilation slots 5, the heat dissipation structure 8 comprises a heat dissipation plate 801, the plurality of heat dissipation plates 801 are fixedly connected to the surface of the tool bit body 1, and a plurality of heat dissipation fins 802 are fixedly connected to the heat dissipation plate 801.

Specifically, as shown in fig. 1, 2 and 4, fixedly connected with a plurality of protection otter board 7 on the tool bit body 1, the quantity of protection otter board 7 is twice of ventilation groove 5, protection otter board 7 is located the tip of ventilation groove 5, the cross-sectional shape of heating panel 801 and fin 802 sets up to "T" font, heating panel 801 and fin 802 all are located ventilation groove 5 inside, through setting up protection otter board 7, can play certain blocking effect to external foreign matter, prevent that it from getting into ventilation groove 5 inside, guarantee that air can normally circulate in ventilation groove 5 inside, thereby guarantee that ventilation groove 5 can normally carry out the heat dissipation to heating panel 801 and fin 802 and handle, guarantee the life of this chamfer sword.

Specifically, as shown in fig. 1, the mounting structure 3 includes limiting plates 301 and thread installation grooves 303, a plurality of groups of limiting plates 301 are all fixedly connected to the surface of the cutter head body 1, pressing baffles 302 are all fixedly connected to two limiting plates 301 of the same group, a plurality of thread installation grooves 303 are all formed in the surface of the cutter head body 1, the cross section of each limiting plate 301 is set to be right trapezoid, the cross section of each pressing baffle 302 is set to be right trapezoid, and the size of an opening between the two limiting plates 301 of the same group is enlarged, so that the cutter head body is convenient to install and fix the replacement cutter blade 401 and the mounting block 402, and the use convenience of operators is improved.

Specifically, as shown in fig. 1 and 2, the replacement structure 4 includes a replacement blade 401, a plurality of replacement blade 401 are all slidingly connected on the surface of the tool bit body 1, a mounting block 402 is fixedly connected on the replacement blade 401, the replacement blade 401 and the mounting block 402 are both slidingly connected with two limiting plates 301 of the same group close to each other, the pressing baffle 302 is tightly attached to the replacement blade 401 close to each other, the cross section between the replacement blade 401 and the mounting block 402 is set to be in an L shape, a fastening bolt 403 is arranged on the surface of the mounting block 402, the fastening bolt 403 is in threaded connection with the inside of the threaded mounting groove 303, and after the replacement blade 401 is damaged in the long-term use process, an operator can directly replace the replacement blade 401 without carrying out integral replacement processing, so that the service life of the chamfering blade is ensured, and the working cost is reduced.

The working principle and the using flow of the utility model are as follows: when operating personnel use this chamfer sword to carry out processing to the work piece, the friction that replacement blade 401 and work piece surface are continuous can produce the heat, and heating panel 801 and fin 802 adsorb the heat on replacement blade 401 surface, simultaneously because handle of a knife body 2 drives tool bit body 1 and gathers fan housing 6 and rotate, air can enter into ventilation groove 5 inside through gathering fan housing 6, and ventilation groove 5 inside air is when circulating fast, can distribute the heat of heating panel 801 and fin 802 surface and handle.

When the chamfering tool is damaged in the long-term use process, and the replacement blade 401 is required to be replaced, an operator directly adjusts the fastening bolt 403, so that the fastening bolt 403 is disconnected from the threaded mounting groove 303, and the damaged replacement blade 401 is taken down to replace the damaged replacement blade.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a chamfer sword, includes tool bit body (1), its characterized in that: fixedly connected with handle of a knife body (2) on tool bit body (1), tool bit body (1) inside is equipped with mounting structure (3), replacement structure (4) and heat radiation structure (8), tool bit body (1) inside is equipped with a plurality of ventilation slot (5), the top fixedly connected with of tool bit body (1) gathers fan housing (6), gather the quantity and the position of fan housing (6) and all correspond each other with ventilation slot (5), heat radiation structure (8) include heating panel (801), a plurality of heating panel (801) all fixed connection in tool bit body (1) surface, fixedly connected with fin (802) on heating panel (801).

2. A chamfer cutter as defined in claim 1, wherein: the tool bit body (1) is fixedly connected with a plurality of protection otter boards (7), the quantity of protection otter boards (7) is twice of ventilation groove (5), protection otter boards (7) are located the tip of ventilation groove (5).

3. A chamfer cutter as defined in claim 1, wherein: the cross-sectional shapes of the radiating plate (801) and the radiating fins (802) are T-shaped, and the radiating plate (801) and the radiating fins (802) are positioned inside the ventilation groove (5).

4. A chamfer cutter as defined in claim 1, wherein: the mounting structure (3) comprises limiting plates (301) and threaded mounting grooves (303), wherein a plurality of groups of limiting plates (301) are fixedly connected to the surface of the cutter head body (1), two limiting plates (301) in the same group are fixedly connected with pressing baffle plates (302), a plurality of threaded mounting grooves (303) are formed in the surface of the cutter head body (1), and the cross section of each limiting plate (301) is in a right trapezoid shape.

5. A chamfer cutter as defined in claim 4, wherein: the replacement structure (4) comprises a replacement blade (401), a plurality of replacement blades (401) are all connected onto the surface of the cutter head body (1) in a sliding mode, a mounting block (402) is fixedly connected onto the replacement blade (401), the replacement blade (401) and the mounting block (402) are all connected with two limiting plates (301) of the same group in a sliding mode, and the pressing baffle (302) is tightly attached to the replacement blade (401) in a mode of being close to the replacement blade.

6. A chamfer cutter as defined in claim 5, wherein: the cross-sectional shape between the replacement blade (401) and the mounting block (402) is L-shaped, a fastening bolt (403) is arranged on the surface of the mounting block (402), and the fastening bolt (403) is in threaded connection with the inside of the threaded mounting groove (303).