CN211588668U

CN211588668U - Combined high-precision hard alloy coating milling cutter

Info

Publication number: CN211588668U
Application number: CN201921986057.8U
Authority: CN
Inventors: 范记明
Original assignee: Shanghai Beitian Industry And Trade Development Co ltd
Current assignee: Shanghai Beitian Industry And Trade Development Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-09-29
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a modular high-accuracy carbide coating milling cutter, including the threaded rod, threaded rod top outer wall is provided with the T-shaped pipe, the both sides inner wall of T-shaped pipe has same mounting disc through the bolt fastening, hexagonal structure's installing port has been seted up to mounting disc top outer wall centre of a circle department, the connecting axle of T shape hexagonal structure is pegged graft to the inner wall of installing port, the one end spiro union of connecting axle has fastening nut, the rectangle opening has all been seted up to the both sides of mounting disc top outer wall, and just two rectangle open-ended inner walls all are fixed with first pull rod, two all cup jointed the second pull rod on the transmission shaft of first pull rod. The utility model discloses a set up many pull rods cooperation locating plate and then the length of control connecting axle in the T venturi tube, set up the connecting axle into the prismatic structure of hexagon, be convenient for fix a position the connecting axle and place the connecting axle and slide in the T venturi tube, solved current cutter and can only carry out the problem of making up to a class of cutter.

Description

Combined high-precision hard alloy coating milling cutter

Technical Field

The utility model relates to a milling cutter technical field especially relates to a modular high-accuracy carbide coating milling cutter.

Background

A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine.

Most of the existing milling cutters are of an integrated structure, once a cutter damages the milling cutter, the milling cutter is scrapped, some combined milling cutters in the market can only combine matched cutters, and some cutters with unmatched sizes cannot be used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a combined high-precision hard alloy coating milling cutter.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a combined high-precision hard alloy coating milling cutter comprises a threaded rod, wherein a T-shaped pipe is arranged on the outer wall of the top of the threaded rod, the inner walls of two sides of the T-shaped pipe are fixedly provided with the same mounting disc through bolts, the circle center of the outer wall of the top of the mounting disc is provided with a mounting hole with a hexagonal structure, the inner wall of the mounting hole is inserted with a connecting shaft with a T-shaped hexagonal structure, one end of the connecting shaft is screwed with a fastening nut, two sides of the outer wall of the top of the mounting disc are provided with rectangular openings, the inner walls of the two rectangular openings are fixedly provided with first pull rods through bearings, the transmission shafts of the two first pull rods are respectively sleeved with a second pull rod, one end of each of the two second pull rods is hinged with a third pull rod, one end of each of the two third pull rods is hinged on the same mounting frame, two sides of the outer wall of the top, one ends of the two first pull rods are respectively hinged to the two positioning plates.

Preferably, the outer walls of the two sides of the T-shaped pipe are provided with rectangular grooves, and the inner wall of one side of each of the two rectangular grooves is provided with an opening.

Preferably, two equal sliding connection of open-ended both sides inner wall has the slider, and the one end of two sliders is connected on same installing frame.

Preferably, the two sides of the inner wall of the bottom of the T-shaped pipe are both fixed with springs through bolts, and one ends of the two springs are connected to the mounting frame.

Preferably, spring rods are fixed on the inner walls of the two sides of the T-shaped pipe through bolts, and the outer walls of the tops of the two spring rods are connected to the same mounting frame.

Preferably, the inner walls of the two sides of the T-shaped pipe are provided with the same hexagonal installation sleeve, and the connection shaft penetrates through the installation sleeve.

Preferably, the outer wall of one side of each of the two positioning plates is provided with positioning pins distributed at equal intervals, and the outer wall of the connecting shaft is sleeved with the cutter body.

The utility model has the advantages that:

this high-accuracy carbide coating milling cutter of combination formula, through the length that sets up many pull rods cooperation locating plate and then control the connecting axle in the T venturi tube, set up the connecting axle into hexagonal prism structure again, be convenient for fix a position the connecting axle and place the connecting axle and slide in the T venturi tube to the connecting axle, influence the connecting axle through adjustable length of cutter be convenient for and the cutter of multiple specification make up, solved current cutter and can only make up the problem to a class of cutter.

Drawings

Fig. 1 is a schematic front view of a combined high-precision hard alloy coated milling cutter according to the present invention;

fig. 2 is a schematic view of a connecting shaft structure of a combined high-precision hard alloy coating milling cutter provided by the utility model;

FIG. 3 is the utility model provides a T venturi tube sectional structure schematic diagram of modular high-accuracy carbide coating milling cutter

Fig. 4 is the utility model provides a modular high-accuracy carbide coating milling cutter's locating plate structure schematic diagram.

In the figure: the cutting tool comprises a threaded rod 1, a T-shaped tube 2, a cutter body 3, a fastening nut 4, a connecting shaft 5, a positioning groove 6, a mounting disc 7, a first pull rod 8, a second pull rod 9, a third pull rod 10, a spring 11, a mounting frame 12, a positioning plate 13, a spring rod 14, a groove 15, a sliding block 16 and a positioning pin 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a combined high-precision hard alloy coating milling cutter comprises a threaded rod 1, a T-shaped pipe 2 is arranged on the outer wall of the top of the threaded rod 1, the inner walls of two sides of the T-shaped pipe 2 are fixed with a same mounting disc 7 through bolts, a mounting hole with a hexagonal structure is arranged in the circle center of the outer wall of the top of the mounting disc 7, a connecting shaft 5 with a T-shaped hexagonal structure is inserted into the inner wall of the mounting hole, one end of the connecting shaft 5 is screwed with a fastening nut 4, rectangular openings are arranged on two sides of the outer wall of the top of the mounting disc 7, first pull rods 8 are fixed on the inner walls of the two rectangular openings through bearings, second pull rods 9 are sleeved on transmission shafts of the two first pull rods 8, one ends of the two second pull rods 9 are hinged with third pull rods 10, one ends of the two third pull rods 10 are hinged on a same mounting frame 12, and the inner walls of the two sliding grooves are both connected with positioning plates 13 in a sliding manner, one ends of two first pull rods 8 are respectively hinged on the two positioning plates 13, the outer walls of the two sides of the T-shaped pipe 2 are both provided with rectangular grooves, one inner wall of one side of each rectangular groove is both provided with an opening, the inner walls of the two sides of each opening are both connected with sliding blocks 16 in a sliding manner, one ends of the two sliding blocks 16 are connected to the same mounting frame 12, the two sides of the inner wall at the bottom of the T-shaped pipe 2 are both fixed with springs 11 through bolts, one ends of the two springs 11 are connected to the mounting frame 12, the inner walls of the two sides of the T-shaped pipe 2 are both fixed with spring rods 14 through bolts, the outer walls at the tops of the two spring rods 14 are connected to the same mounting frame 12, the inner walls of the two sides of the T, the outer wall of the connecting shaft 5 is sleeved with the cutter body 3.

The working principle is as follows: during the combination, the length of the connecting shaft 5 is adjusted according to the actual length of the cutter body 3, the sliding block 16 is pressed down manually to drive the mounting frame 12 to move downwards, the second pull rod 9 is pulled through the third pull rod 10 when the mounting frame 12 moves downwards, the first pull rod 8 is driven to rotate when the second pull rod 9 moves, the positioning plate 13 is further pulled to be away from the connecting shaft 5, the sliding block 16 is loosened when the connecting shaft 5 is pulled to be adjusted to a proper position, the sliding block 16 returns to the original position under the action of the spring 11 and the spring rod 14, meanwhile, the connecting shaft 5 is clamped by the positioning plate 13 through the positioning pin 17, and then the cutter is combined.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The combined high-precision hard alloy coating milling cutter comprises a threaded rod (1) and is characterized in that a T-shaped pipe (2) is arranged on the outer wall of the top of the threaded rod (1), the inner walls of two sides of the T-shaped pipe (2) are fixedly provided with a same mounting disc (7) through bolts, a mounting hole of a hexagonal structure is formed in the circle center of the outer wall of the top of the mounting disc (7), a connecting shaft (5) of the T-shaped hexagonal structure is inserted into the inner wall of the mounting hole, a fastening nut (4) is screwed at one end of the connecting shaft (5), rectangular openings are formed in two sides of the outer wall of the top of the mounting disc (7), first pull rods (8) are fixedly arranged on the inner walls of the two rectangular openings through bearings, second pull rods (9) are sleeved on transmission shafts of the two first pull rods (8), and third pull rods (10) are hinged at one ends of the two second pull rods, two the one end of third pull rod (10) articulates on same installing frame (12), the spout has all been seted up to the both sides of installing plate (7) top outer wall, and the equal sliding connection of inner wall of two spouts has locating plate (13), two the one end of first pull rod (8) articulates respectively on two locating plates (13).

2. The combined type high-precision hard alloy coated milling cutter as claimed in claim 1, wherein the outer walls of the T-shaped pipe (2) at two sides are both provided with rectangular grooves, and the inner wall of one side of each of the two rectangular grooves is both provided with an opening.

3. The combined high-precision hard alloy coated milling cutter according to claim 2, wherein the two side inner walls of the two openings are slidably connected with sliding blocks (16), and one ends of the two sliding blocks (16) are connected to the same mounting frame (12).

4. The combined high-precision hard alloy coating milling cutter as claimed in claim 1, wherein springs (11) are fixed on two sides of the inner wall of the bottom of the T-shaped pipe (2) through bolts, and one ends of the two springs (11) are connected to a mounting frame (12).

5. The combined high-precision hard alloy coating milling cutter as claimed in claim 1, wherein spring rods (14) are fixed on the inner walls of two sides of the T-shaped pipe (2) through bolts, and the outer walls of the tops of the two spring rods (14) are connected to the same mounting frame (12).

6. The combined high-precision hard alloy coating milling cutter as claimed in claim 1, wherein the inner walls of the T-shaped pipe (2) at both sides are provided with a same hexagonal mounting sleeve, and the connecting shaft (5) penetrates through the mounting sleeve.

7. The combined high-precision hard alloy coated milling cutter as claimed in claim 1, wherein the outer walls of one side of the two positioning plates (13) are provided with positioning pins (17) which are distributed equidistantly, and the outer wall of the connecting shaft (5) is sleeved with the cutter body (3).