CN219616783U - Straight rod coating milling cutter convenient to lock - Google Patents

Abstract

The utility model belongs to the technical field of machining cutters, and particularly relates to a straight rod coating milling cutter convenient to lock, which comprises a cutter bar and a cutter head, wherein the upper end of the cutter bar is provided with the cutter head, the outer surface of the lower end of the cutter head is provided with three clamping grooves distributed circumferentially, the outer surface of the upper end of the cutter bar is hinged with three buckles distributed circumferentially, the inner part of the upper end of the cutter bar is provided with a cavity, the inner center of the cutter bar is connected with an inner hexagonal screw rod in a threaded manner, the inner part of the cavity is connected with a guide plate in a sliding manner, the bottom of the guide plate is fixedly provided with three guide frames distributed circumferentially, the inner part of the guide frame is connected with a pin rod in a sliding manner, and the bottom of the cutter head is fixedly provided with three positioning pins distributed circumferentially.

Description

Straight rod coating milling cutter convenient to lock

Technical Field

The utility model belongs to the technical field of machining tools, and particularly relates to a straight rod coating milling cutter convenient to lock.

Background

The milling cutter is a special rotary cutter for milling. The cutter is provided with one or more cutter teeth, and each cutter tooth is used for cutting off the machining allowance of a workpiece intermittently in sequence during operation. It is used for machining planes, grooves, forming surfaces, cutting workpieces, etc. Most of the milling cutters are made of hard alloy materials at present, and have the advantages of strong cutting capability and corrosion resistance;

through investigation publication (bulletin) number: 202221097583.0A diamond coated milling cutter of hard alloy, it is annular to disclose "grip limiting ring, and play and support against the outer wall of milling cutter end post in this technology, has limited the depth of grip, the fine line ring is a series of to set up in the outside of milling cutter end post, the two are technical schemes such as the fixed connection", have "increase the friction force while gripping, better fixed milling cutter, multiple technological effects such as this milling cutter of use at the same time;

however, the milling cutter in the scheme is fixed only through the clamping limiting ring, and the milling cutter needs to rotate in the machining process, so that looseness is generated between the cutter head and the bottom post in the machining process, and the machining precision is affected.

In order to solve the problems, the utility model provides a straight rod coated milling cutter convenient to lock.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides the straight rod coated milling cutter convenient to lock, which has the characteristics that a cutter head and a cutter rod can be quickly and conveniently disassembled and assembled, and the cutter head and the cutter rod are firmly fixed after being installed.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a straight-bar coating milling cutter convenient to locking, includes cutter arbor and tool bit, the tool bit is installed to the upper end of cutter arbor, three circumference distributed draw-in groove has been seted up to the lower extreme surface of tool bit, the upper end surface of cutter arbor articulates there is three circumference distributed's buckle, the cavity has been seted up to the inside of upper end of cutter arbor, the inside central screw thread of cutter arbor is connected with interior hexagonal screw rod, the inside sliding connection of cavity has the deflector, the bottom of deflector is fixed with three circumference distributed's leading truck, the inside sliding connection of leading truck has the round pin pole.

As a preferable technical scheme of the straight rod coating milling cutter convenient to lock, the bottom of the cutter head is fixedly provided with three circumferentially distributed positioning pins, and the top of the cutter bar is provided with three circumferentially distributed positioning grooves.

As a preferable technical scheme of the straight rod coating milling cutter convenient to lock, a chute is formed in the guide frame, and an included angle between the chute and the inner hexagonal screw is forty-five degrees.

As a preferable technical scheme of the straight rod coating milling cutter convenient to lock, the pin rod is positioned in the cutter bar and is transversely connected in a sliding manner.

As a preferable technical scheme of the straight rod coating milling cutter convenient to lock, the outer surface of the upper end of the inner hexagonal screw rod is in rotary connection with the inside of the guide plate.

As a preferable technical scheme of the straight rod coating milling cutter convenient to lock, the buckle is of a 7-shaped structure.

Compared with the prior art, the utility model has the beneficial effects that: when the cutter head is arranged on the cutter bar, the guide plate is driven to move downwards by clockwise rotating the inner hexagonal screw rod, meanwhile, the guide plate drives the pin rod to extend outwards from the inside of the cutter bar through the guide frame, and pushes the lower end of the buckle to drive the buckle to turn over, so that the upper end of the buckle buckles the clamping groove on the cutter head, and the cutter head and the cutter bar are fixed; the disassembly is similar to the above steps, and the cutter head and the cutter bar can be disassembled and separated by rotating the inner hexagonal screw anticlockwise and then pinching the lower end of the buckle to separate the upper end of the buckle from the inside of the clamping groove; the tool bit and the tool bar can be disassembled and assembled, so that the tool bit can be conveniently replaced when damaged.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

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

FIG. 2 is a schematic view of a three-dimensional assembly structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is a schematic view of the structure of the part A in FIG. 3 according to the present utility model;

in the figure: 1. a cutter bar; 2. a cutter head; 3. a clamping groove; 4. a buckle; 5. a cavity; 6. an inner hexagonal screw; 7. a guide plate; 8. a guide frame; 9. a pin rod; 10. a positioning pin; 11. and a positioning groove.

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.

Examples

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a straight-bar coating milling cutter convenient to locking, including cutter arbor 1 and tool bit 2, tool bit 2 is installed to the upper end of cutter arbor 1, three circumference distributed draw-in groove 3 has been seted up to the lower extreme surface of tool bit 2, the inside cavity 5 of having seted up of the upper end surface of cutter arbor 1 articulates three circumference distributed buckle 4, the inside central screw thread of cutter arbor 1 is connected with interior hexagonal screw rod 6, the inside sliding connection of cavity 5 has deflector 7, the bottom of deflector 7 is fixed with three circumference distributed leading truck 8, the inside sliding connection of deflector 8 has round pin pole 9, in this embodiment, after tool bit 2 is installed on cutter arbor 1, drive deflector 7 downward movement through clockwise rotation interior hexagonal screw rod 6, simultaneously deflector 7 drives the outside extension of interior from cutter arbor 1 through deflector 8, and promote its upset of lower extreme drive of buckle 4, make the upper end of buckle 4 buckle 3 on tool bit 2, thereby fix tool bit 2 and cutter arbor 1.

Specifically, the bottom of tool bit 2 is fixed with three circumference distribution's locating pin 10, and three circumference distribution's constant head tank 11 has been seted up at the top of cutter arbor 1, and when tool bit 2 was installed on cutter arbor 1 in this embodiment, inside inserting three corresponding constant head tank 11 through three locating pin 10, fixed a position it.

Specifically, the inside of the guide frame 8 is provided with a sliding groove, and the included angle between the sliding groove and the inner hexagonal screw 6 is forty-five degrees, so that the guide frame 8 can drive the pin rod 9 to vertically move through the sliding groove when moving in the embodiment.

Specifically, the pin 9 is located in the inner portion of the cutter bar 1 and is slidably connected in a transverse direction, so that the pin 9 horizontally extends and contracts along the inner portion of the cutter bar 1 when moving in this embodiment.

Specifically, the outer surface of the upper end of the inner hexagonal screw rod 6 is in rotational connection with the inside of the guide plate 7, so that the guide plate 7 can be driven to move up and down when the inner hexagonal screw rod 6 rotates in the embodiment.

Specifically, the shape of the buckle 4 is a 7-shaped structure, and in this embodiment, when the buckle 4 turns inwards, the upper end can directly buckle the inside of the clamping groove 3.

The working principle and the using flow of the utility model are as follows: firstly, when the cutter head 2 is mounted on the cutter bar 1, three positioning pins 10 are inserted into three corresponding positioning grooves 11 to position the cutter head; then, the inner hexagonal screw 6 is rotated clockwise through the inner hexagonal wrench to drive the guide plate 7 to move downwards, meanwhile, the guide plate 7 drives the pin rod 9 to extend outwards from the inner part of the cutter bar 1 through the guide frame 8, and the lower end of the buckle 4 is pushed to drive the buckle to overturn, so that the upper end of the buckle 4 buckles the clamping groove 3 on the cutter head 2, and the cutter head 2 and the cutter bar 1 are fixed.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a straight-bar coating milling cutter convenient to lock, includes cutter arbor (1) and tool bit (2), its characterized in that: cutter head (2) are installed to the upper end of cutter arbor (1), draw-in groove (3) that three circumference was distributed have been seted up to the lower extreme surface of cutter head (2), the upper end surface of cutter arbor (1) articulates there are buckle (4) that three circumference was distributed, cavity (5) have been seted up to the inside upper end of cutter arbor (1), the inside central screw thread of cutter arbor (1) is connected with interior hexagonal screw rod (6), the inside sliding connection of cavity (5) has deflector (7), the bottom of deflector (7) is fixed with guide frame (8) that three circumferences were distributed, the inside sliding connection of guide frame (8) has round pin pole (9).

2. The conveniently locked straight bar coated milling cutter of claim 1, wherein: the bottom of tool bit (2) is fixed with three circumference distribution locating pin (10), three circumference distribution's constant head tank (11) have been seted up at the top of cutter arbor (1).

3. The conveniently locked straight bar coated milling cutter of claim 1, wherein: a chute is formed in the guide frame (8), and an included angle between the chute and the inner hexagonal screw (6) is forty-five degrees.

4. The conveniently locked straight bar coated milling cutter of claim 1, wherein: the pin rod (9) is positioned in the cutter bar (1) and is in transverse sliding connection.

5. The conveniently locked straight bar coated milling cutter of claim 1, wherein: the outer surface of the upper end of the inner hexagonal screw rod (6) is rotationally connected with the inside of the guide plate (7).

6. The conveniently locked straight bar coated milling cutter of claim 1, wherein: the shape of the buckle (4) is a 7-shaped structure.