CN217666711U

CN217666711U - Double-end chamfer double knives

Info

Publication number: CN217666711U
Application number: CN202221025014.5U
Authority: CN
Inventors: 梁仲荣
Original assignee: Zhongshan Tianping Metal Technology Co ltd
Current assignee: Zhongshan Tianping Metal Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-10-28
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a double-end chamfer double knives, including installation pole, chamfer tool bit and cutting tool bit, installation pole bottom is provided with the mounting panel, the mounting panel is the symmetry and is provided with two sets ofly, and is two sets of the mounting panel position placed in the middle sets up the main shaft, first locating plate and second locating plate have been cup jointed on the main shaft respectively, the second locating plate sets up in first locating plate below position, the main shaft bottom is run through and is extended to second locating plate bottom surface and seted up the cavity, chamfer tool bit and cutting tool bit all are through screw rod and cavity threaded connection, and through two sets of chamfer tool bits and the cooperation of cutting tool bit that set up respectively use, the cutting tool bit is convenient for carry out the preliminary rough machining of work piece, and the chamfer of chamfer tool bit is convenient for carry out the truing to the work piece, through the design of double knives, has increased milling cutter's practicality, carries out threaded connection with milling cutter's tool bit and main shaft, is convenient for change, changes the tool bit according to the condition after appearing wearing and tearing, need not whole change, reduces the cost of processing.

Description

Double-end chamfer double knives

Technical Field

The utility model relates to a milling cutter equipment technical field specifically is a double-end chamfer double knives.

Background

A milling cutter is a rotating tool with one or more cutter teeth for milling. When the milling cutter works, all cutter teeth cut off the allowance of a workpiece in sequence and intermittently, the milling cutter is mainly used for processing planes, steps, grooves, forming surfaces, cutting off the workpiece and the like on a milling machine, when the milling effect is optimized, blades of the milling cutter are another important factor, if the number of the blades participating in cutting at the same time is more than one, the milling cutter has the advantage, but the number of the blades participating in cutting at the same time is too many, each cutting edge cannot cut at the same time when cutting, the required power is related to the number of the cutting edges participating in cutting, and the position of the milling cutter relative to the workpiece plays an important role in the aspects of chip forming process, cutting edge load and processing result;

when milling cutter processing uses, often need carry out the chamfer truing to the groove or the limit of work piece, because the chamfer angle that relates to is different, generally need the cooperation of a plurality of chamfer sections, current milling cutter structure often does not set up the chamfer structure, need the multiunit cutter man-hour, the cutter causes machined part cutter confusion more easily, the practicality is reduced, the tool bit is in long-term use, owing to receive work piece hardness, it is too dark to eat the sword, the feed is influenced by various factors such as too fast, it takes place the tool bit to collapse the sword easily, various circumstances such as wearing and tearing, because current milling cutter often designs as an organic whole, be not convenient for change tool bit or arbor respectively, if the tool bit appears wearing and tearing and can not use, current processing mode can only directly change whole milling cutter, lead to manufacturing cost increase.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-end chamfer double knives, use through two sets of chamfer tool bits and the cooperation of cutting tool bit that set up respectively, the cutting tool bit is convenient for carry out the preliminary rough machining of work piece, the chamfer of chamfer tool bit is convenient for carry out the truing to the work piece, through the design of double knives, milling cutter's practicality has been increased, carry out threaded connection with milling cutter's tool bit and main shaft, be convenient for change, change the tool bit according to the condition after wearing and tearing appear, need not whole change, reduce the cost of processing, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a double-end chamfer double knives, includes installation pole, chamfer tool bit and cutting tool bit, installation pole bottom is provided with the mounting panel, the mounting panel is the symmetry and is provided with two sets ofly, and is two sets of the mounting panel position placed in the middle sets up the main shaft, first locating plate and second locating plate have been cup jointed on the main shaft respectively, the second locating plate sets up in first locating plate below position, be provided with the connecting block between first locating plate bottom surface and the second locating plate, the main shaft bottom runs through to extend to second locating plate bottom surface and has seted up the cavity, chamfer tool bit and cutting tool bit all pass through screw rod and cavity threaded connection.

Preferably, the bottom end of the chamfering tool bit is provided with a chamfer, the surface of the chamfering tool bit is respectively provided with a first cutting edge and a second cutting edge in an annular manner, and the first cutting edge and the second cutting edge are arranged in a matching manner.

Preferably, first cutting edge and second cutting edge all are the spiral along the central axis of chamfer tool bit and extend, the chip groove has been seted up between first cutting edge and the second cutting edge.

Preferably, the chip groove opening position is arranged at the intersection of the first cutting edge and the second cutting edge, the chamfer setting uses the central axis of the chamfer cutter head as a datum line, and the chamfer inclination angle ranges from 50 degrees to 51 degrees.

Preferably, the center of the upper surface of the cutting tool bit is fixedly connected with a fixed seat, the cutting tool bit is in threaded connection with the cavity through the fixed seat, the cutting tool bit is an annular cutting tool bit, and the surfaces of the cutting tool bit are equidistantly provided with cutting edges which are uniformly distributed.

Preferably, the chamfer tool bit top surface bilateral symmetry sets up fixed mounting and has the connecting plate, the connecting plate is the symmetry and is provided with two sets ofly, two sets of the connecting plate top all runs through to in the cavity.

Preferably, the connecting plate is provided with a positioning hole matched with the screw rod, and one end of the screw rod penetrates through the cavity and is in threaded connection with the positioning hole.

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

1. the utility model discloses a two sets of chamfer tool bits and the cutting tool bit that set up respectively cooperate and use, are convenient for carry on the preliminary rough machining of work piece through the cutting edge of cutting tool bit, and the chamfer of chamfer tool bit is convenient for carry out the truing to the work piece, need not to prepare multiunit cutter during processing, is difficult for appearing because the cutter is many makes the condition that the machined part cutter is chaotic, through the design of double knives, has increased milling cutter's practicality;

2. carry out threaded connection with the tool bit of milling cutter and main shaft through the screw rod that sets up, the cavity has been seted up to the main shaft bottom, and the cutting tool bit passes through fixing base and cavity threaded connection, and the chamfer tool bit passes through connecting plate and cavity threaded connection for when two sets of tool bits are convenient for change, also can change the tool bit according to the condition when wearing and tearing appear after long-term the use, need not whole change, reduce the cost of processing.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic front view of the chamfer head of the present invention;

FIG. 4 is a front view of the cutting head of the present invention;

fig. 5 is a schematic view of the cutting head of the present invention in a bottom view;

fig. 6 is a schematic diagram of a partial sectional structure of the cavity of the present invention.

In the figure: 1. mounting a rod; 2. mounting a plate; 3. a main shaft; 4. a first positioning plate; 5. a second positioning plate; 6. connecting blocks; 7. a cavity; 8. chamfering the tool bit; 801. a first blade; 802. a second blade; 9. a cutting bit; 901. a cutting edge; 10. a screw; 11. a chip groove; 12. a fixed seat; 13. a connecting plate; 14. and (7) positioning the holes.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a double-head chamfering double-cutter comprises an installation rod 1, a chamfering cutter head 8 and a cutting cutter head 9, wherein the bottom end of the installation rod 1 is provided with installation plates 2, the installation plates 2 are symmetrically provided with two groups, a main shaft 3 is arranged in the middle of the two groups of installation plates 2, a first positioning plate 4 and a second positioning plate 5 are respectively sleeved on the main shaft 3, the second positioning plate 5 is arranged at the position below the first positioning plate 4, a connecting block 6 is arranged between the bottom surface of the first positioning plate 4 and the second positioning plate 5, the bottom end of the main shaft 3 extends to the bottom surface of the second positioning plate 5 to form a cavity 7, and the chamfering cutter head 8 and the cutting cutter head 9 are both in threaded connection with the cavity 7 through a screw rod 10;

the bottom end of the chamfering tool bit 8 is provided with a chamfer, the surface of the chamfering tool bit 8 is respectively provided with a first blade 801 and a second blade 802 in an annular manner, the first blade 801 and the second blade 802 are arranged in a matching manner, the first blade 801 and the second blade 802 both extend spirally along the central axis of the chamfering tool bit 8, and a chip discharge groove 11 is formed between the first blade 801 and the second blade 802;

the chip groove 11 is arranged at the intersection of the first cutting edge 801 and the second cutting edge 802, the chamfer setting takes the central axis of the chamfer cutter head 8 as a datum line, the chamfer inclination angle ranges from 50 degrees to 51 degrees, the two sets of the chamfer cutter heads 8 and the cutting cutter head 9 which are respectively arranged are matched for use, the primary rough machining of a workpiece is facilitated through the cutting edge 901 of the cutting cutter head 9, the chamfer of the chamfer cutter head 8 facilitates the fine trimming of the workpiece, a plurality of sets of cutters are not required to be prepared during machining, the condition that the cutters of the workpiece are disordered due to more cutters is not easy to occur, and the practicability of the milling cutter is improved through the design of double cutters;

a fixed seat 12 is fixedly connected to the central position of the upper surface of the cutting tool bit 9, the cutting tool bit 9 is in threaded connection with the cavity 7 through the fixed seat 12, the cutting tool bit 9 is arranged to be an annular cutting tool bit, cutting edges 901 are uniformly distributed on the surface of the cutting tool bit 9 at equal intervals, connecting plates 13 are symmetrically arranged and fixedly mounted on two sides of the top surface of the chamfering tool bit 8, the connecting plates 13 are symmetrically arranged in two groups, the tops of the two groups of connecting plates 13 penetrate through the cavity 7, a positioning hole 14 matched with the screw 10 is formed in each connecting plate 13, and one end of each screw 10 penetrates through the cavity 7 and is in threaded connection with the positioning hole 14;

carry out threaded connection with milling cutter's tool bit and main shaft 3 through the screw rod 10 that sets up, cavity 7 has been seted up to 3 bottoms of main shaft, and cutting tool bit 9 passes through fixing base 12 and cavity 7 threaded connection, and chamfer tool bit 8 passes through connecting plate 13 and cavity 7 threaded connection for when two sets of tool bits are convenient for change, also can change the tool bit according to the condition when wearing and tearing appear after long-term the use, need not whole change, reduce the cost of processing.

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

Claims

1. The utility model provides a double-end chamfer double knives, includes installation pole (1), chamfer tool bit (8) and cutting tool bit (9), its characterized in that: installation pole (1) bottom is provided with mounting panel (2), mounting panel (2) are the symmetry and are provided with two sets ofly, and are two sets of mounting panel (2) position placed in the middle sets up main shaft (3), first locating plate (4) and second locating plate (5) have been cup jointed on main shaft (3) respectively, second locating plate (5) set up in first locating plate (4) below position, be provided with connecting block (6) between first locating plate (4) bottom surface and second locating plate (5), main shaft (3) bottom is run through and is extended to second locating plate (5) bottom surface and seted up cavity (7), chamfer tool bit (8) and cutting tool bit (9) all pass through screw rod (10) and cavity (7) threaded connection.

2. The double-ended chamfer double knife of claim 1, wherein: the bottom end of the chamfering tool bit (8) is provided with a chamfer, the surface of the chamfering tool bit (8) is respectively provided with a first cutting edge (801) and a second cutting edge (802) in an annular mode, and the first cutting edge (801) and the second cutting edge (802) are arranged in a matched mode.

3. The double-ended chamfer double knife of claim 2, wherein: the first cutting edge (801) and the second cutting edge (802) both extend spirally along the central axis of the chamfering cutting head (8), and a chip discharge groove (11) is formed between the first cutting edge (801) and the second cutting edge (802).

4. The double-ended chamfer double knife of claim 3, wherein: the chip groove (11) is arranged at the intersection of the first cutting edge (801) and the second cutting edge (802), the chamfer is arranged by taking the central axis of the chamfer cutting head (8) as a datum line, and the chamfer inclination angle ranges from 50 degrees to 51 degrees.

5. The double-ended chamfer double knife of claim 1, wherein: cutting tool bit (9) upper surface position fixedly connected with fixing base (12) placed in the middle, cutting tool bit (9) pass through fixing base (12) and cavity (7) threaded connection, cutting tool bit (9) set up to annular cutting tool bit, cutting tool bit (9) surface equidistance sets up evenly distributed and is provided with cutting edge (901).

6. The double-ended chamfer double knife of claim 1, wherein: chamfer tool bit (8) top surface bilateral symmetry sets up fixed mounting has connecting plate (13), connecting plate (13) are the symmetry and are provided with two sets ofly, two sets of connecting plate (13) top all runs through to in cavity (7).

7. The double-ended chamfer double knife of claim 6, wherein: the connecting plate (13) is provided with a positioning hole (14) matched with the screw rod (10), and one end of the screw rod (10) penetrates through the cavity (7) and is connected in the positioning hole (14) in a threaded mode.