CN215941535U

CN215941535U - Adjustable CBN cutter assembly

Info

Publication number: CN215941535U
Application number: CN202121750113.5U
Authority: CN
Inventors: 李健; 袁平; 孙朝锋; 张伟娟; 赵娜
Original assignee: Soboka Technology Co ltd
Current assignee: Soboka Technology Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-03-04
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses an adjustable CBN cutter assembly, which comprises a cutter bar, wherein an installation rod is arranged in the cutter bar, one end of the installation rod is provided with a sliding groove fixed with a threaded ring, a threaded rod is arranged in the threaded ring, one end of the threaded rod is connected with a bearing, one end of the threaded rod is connected with a limiting shaft, one end of the limiting shaft is provided with a first tooth cone, one side of the cutter bar is provided with a motor, one end of a motor shaft is provided with a second tooth cone, one end of the installation rod is provided with a cutter holder, one end of the cutter holder is provided with a plurality of limiting holes, the limiting rod is internally provided with limiting rods with two sides provided with baffles, one side of each baffle is provided with a spring, the top of the cutter holder is provided with a cutter pad, one side of the cutter pad is provided with a CBN blade, and one side of the CBN blade is provided with a gasket which is detachably connected with the cutter holder through a bolt. The assembly is matched with a threaded rod through a motor, a second tooth cone, a first tooth cone and the threaded rod, and the threaded rod drives the mounting rod to move through the threaded rod, so that the cutter has scalability and the size of the cutter is reduced; the cutter holder is rotated by pulling up the limiting rod, and after the angle is adjusted, the limiting rod is inserted into the limiting hole, so that the angle of the blade is changed.

Description

Adjustable CBN cutter assembly

Technical Field

The utility model relates to the technical field of machining, in particular to an adjustable CBN cutter assembly.

Background

The CBN tool is an artificial cubic boron nitride tool, can keep the characteristic of high hardness at high temperature, and is mainly used for processing iron parts, the cubic boron nitride CBN is firstly synthesized by American general electric company under the conditions of high temperature and high pressure in the 50 th century, the hardness of the CBN tool is second to that of diamond and is far higher than that of other materials, and therefore the CBN tool and the diamond are collectively called as superhard materials.

The CBN cutter that traditional numerical control equipment used is formula structure as an organic whole usually, uses huge mobile device to drive whole cutter arbor to remove usually when the cutting depth need be adjusted, and the device is bulky and the cutter can't stretch out and draw back automatically, and the unable angle that changes of blade leads to the blade can not adjust self working stress, causes the cutter to damage easily.

The utility model provides an adjustable CBN cutter assembly which has the advantages of small volume, automatic expansion, blade angle adjustment and the like, and solves the problems that the device is large in volume, the cutter cannot be automatically expanded, the angle of the blade cannot be changed, the blade cannot adjust the working stress of the blade and the like.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose, the utility model provides the following technical scheme: an adjustable CBN cutter assembly comprises a cutter bar, wherein an installation rod is movably connected inside the cutter bar, one end of the installation rod is provided with a chute, one end of the chute is fixedly provided with a threaded ring, the threaded ring is internally and cooperatively connected with a threaded rod, one end of the threaded rod is cooperatively and fixedly connected with a bearing, one end of the bearing is fixedly connected with a limiting shaft by a connecting rod, one end of the limiting shaft, far away from the bearing, is fixedly connected with a first tooth cone, one side of the first tooth cone is provided with a motor and fixedly connected with the cutter bar, one end of a motor shaft of the motor penetrates through the cutter bar and is fixedly provided with a second tooth cone, the first tooth cone is in gear engagement with the second tooth cone, one end of the installation rod, far away from the threaded rod, is movably provided with a cutter holder, one end of the cutter holder is provided with a plurality of limiting holes, the limiting holes are internally provided with limiting rods, one end of the limiting rods is movably connected with the installation rod, and two sides of the limiting rods are fixedly provided with baffles, be provided with the spring between baffle and the installation pole, the blade holder is kept away from installation pole one end top and is had the shim, and shim one side has the CBN blade, and CBN blade middle part is provided with the locating hole, and there is the gasket CBN blade one side, has the bolt in the locating hole, and shim, CBN blade, gasket pass through the bolt and can dismantle with the blade holder and be connected.

Preferably, the cutter arbor is the cuboid with the installation pole, and the cutter arbor inner wall is connected with the installation pole contact.

Preferably, the tool apron is a cylinder, and a plurality of limiting holes are formed in a small cylinder at one end and are matched with a round hole in one side of the mounting rod.

Preferably, the side surface of the sliding groove is cylindrical, and the diameter of the sliding groove is larger than that of the threaded rod.

Preferably, the first cone center is perpendicular to the second cone center.

Preferably, the gasket is circular, and demountable installation is between CBN blade and bolt, and the diameter of gasket is greater than the diameter of locating hole.

Preferably, the center of the limiting rod and the center of the limiting hole are on the same straight line, and the length from the limiting rod to one end of the spring is greater than the length of the end without the spring.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

1. the adjustable CBN cutter assembly is provided with a threaded rod, a motor drives a second tooth cone to rotate, the second tooth cone drives a first tooth cone to rotate, the first tooth cone drives the threaded rod to rotate, the threaded rod drives the mounting rod to move through the threaded ring, and therefore automatic extension and retraction of a cutter are achieved, and the cutter is more adjustable;

2. the adjustable CBN cutter assembly is provided with the threaded rod, and the threaded rod drives the mounting rod to move through the threaded ring, so that the cutter has scalability, and the size of the cutter is reduced;

3. this adjustable CBN cutter assembly rotates the blade holder through setting up gag lever post, spacing hole, through pulling up the gag lever post, puts down the gag lever post after adjusting the angle, and the spring makes the gag lever post insert spacing hole, and then changes the blade angle, makes the adjustable self operating stress of blade.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

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

FIG. 2 is a schematic diagram of a CBN blade according to the present invention;

fig. 3 is a schematic view of the tooth cone transmission of the present invention.

The reference numerals are explained below:

1. a cutter bar; 2. a tool apron; 3. a CBN blade; 4. a gasket; 5. a bolt; 6. a chute; 7. a threaded rod; 8. a limiting shaft; 9. a connecting rod; 10. a bearing; 11. a first tooth cone; 12. a second tooth cone; 13. a motor shaft; 14. a motor; 15. a limiting hole; 16. a limiting rod; 17. a baffle plate; 18. a spring; 19. a shim; 20. a threaded ring; 21. positioning holes; 22. and (5) installing a rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to fig. 1, the present invention provides a new technical solution: an adjustable CBN cutter assembly comprises a cutter bar 1, wherein the cutter bar 1 is a cuboid, an installation rod 22 is movably connected inside, the inner wall of the cutter bar 1 is in contact connection with the installation rod 22, a chute 6 is arranged at one end of the installation rod 22, a threaded ring 20 is fixedly installed at one end of the chute 6, a threaded rod 7 is connected in the threaded ring 20 in a matching manner, a bearing 10 is installed at one end of the threaded rod 7 in a matching manner, the bearing 10 is fixedly connected with the cutter bar 1 through a connecting rod 9, one end of the threaded rod 7 penetrates through the bearing 10 and is fixedly connected with a limiting shaft 8, one end of the limiting shaft 8, which is far away from the bearing 10, is fixedly connected with a first tooth cone 11, one side of the first tooth cone 11 is provided with a motor 14 which is fixedly connected with the cutter bar 1, one end of a motor shaft 13 of the motor 14 penetrates through the cutter bar 1 and is fixedly provided with a second tooth cone 12, the first tooth cone 11 is in meshing connection with the second tooth cone 12, and the center of the first tooth cone 11 is perpendicular to the center of the second tooth cone 12, the motor 14 drives the second gear cone to rotate 12, the second gear cone 12 drives the first gear cone 11 to rotate, the first gear cone 11 drives the threaded rod 7 to rotate, the threaded rod 7 drives the mounting rod 22 to move through the threaded ring 20, automatic stretching of a cutter is further realized, the cutter is more adjustable, a cutter holder 2 is movably mounted at one end, away from the threaded rod 7, of the mounting rod 22, a plurality of limiting holes 15 are formed in one end of the cutter holder 2, a limiting rod 16 is mounted in each limiting hole 15, one end of each limiting rod 16 is movably connected with the mounting rod 22, baffles 17 are fixedly mounted on two sides of each limiting rod 16, a spring 18 is arranged between each baffle 17 and the mounting rod 22, the cutter holder 2 is rotated by pulling up the limiting rod 16, the limiting rod 16 is put down after the angle is adjusted, the spring 18 enables the limiting rod 16 to be inserted into each limiting hole 15, the angle of the cutter blade is changed, a cutter pad 19 is arranged at the top of one end, away from the mounting rod 22, of the cutter holder 2, a CBN cutter pad 19 is provided with a CBN blade 3, the middle part of the CBN blade 3 is provided with a positioning hole 21, one side of the CBN blade 3 is provided with a gasket 4, a bolt 5 is arranged in the positioning hole 21, the knife pad 19, the CBN blade 3 and the gasket 4 are detachably connected with the knife holder 2 through the bolt 5, the gasket 4 is circular, and the diameter of the gasket 4 is larger than that of the positioning hole 21.

The working principle and the using process of the utility model are as follows: when the telescopic length of the cutter is adjusted, the motor 14 is started, the motor shaft 13 of the motor 14 drives the second tooth cone 12 to rotate, the second tooth cone 12 drives the first tooth cone 11 to rotate, the threaded rod 7 is driven by the first tooth cone 11 to rotate, the threaded rod 7 drives the installation rod 22 to move through the threaded ring 20, the moving direction is changed through positive and negative rotation of the motor 14, automatic stretching of the cutter is achieved, when the angle of the CBN cutter blade 3 is adjusted, the cutter holder 2 is rotated through pulling up the limiting rod 16, the limiting rod 16 is put down after the angle is adjusted, the limiting rod 16 is automatically inserted into the limiting hole 15 due to the elastic force of the spring 18, the cutter holder 2 is fixed at the adjusted angle, and the angle of the CBN cutter blade 3 on one end of the cutter holder 2 is changed.

The electric elements appearing in the text are connected with the 220V special circuit through an external main controller, and the main controller and the 220V special circuit are components in the prior art, are not limited in structure, and only need to realize corresponding functions.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable CBN cutter assembly comprising a cutter bar (1), characterized in that: the cutter bar is characterized in that an installation rod (22) is movably connected inside the cutter bar (1), a sliding groove (6) is arranged at one end of the installation rod (22), a threaded ring (20) is fixedly installed at one end of the sliding groove (6), a threaded rod (7) is connected in the threaded ring (20) in a matched manner, a bearing (10) is installed at one end of the threaded rod (7) in a matched manner, the bearing (10) is fixedly connected with the cutter bar (1) through a connecting rod (9), one end of the threaded rod (7) penetrates through the bearing (10) to be fixedly connected with a limiting shaft (8), one end, far away from the bearing (10), of the limiting shaft (8) is fixedly connected with a first tooth cone (11), a motor (14) is fixedly connected with the cutter bar (1) on one side of the first tooth cone (11), one end, of a motor shaft (13) of the motor (14) penetrates through the cutter bar (1) and is fixedly installed with a second tooth cone (12), the first tooth cone (11) is in meshed connection with the second tooth cone (12), threaded rod (7) one end movable mounting is kept away from in installation pole (22) has blade holder (2), and blade holder (2) one end is provided with a plurality of spacing holes (15), is equipped with gag lever post (16) in spacing hole (15), and gag lever post (16) one end and installation pole (22) swing joint, gag lever post (16) both sides fixed mounting have baffle (17), is provided with spring (18) between baffle (17) and installation pole (22), blade holder (2) are kept away from installation pole (22) one end top and are had shim (19), and shim (19) one side has CBN blade (3), and CBN blade (3) middle part is provided with locating hole (21), and there is gasket (4) CBN blade (3) one side, has bolt (5) in locating hole (21), and shim (19), CBN blade (3), gasket (4) are through bolt (5) and blade holder (2) detachable connection.

2. The adjustable CBN tool assembly as claimed in claim 1, in which: the cutter arbor (1) is the cuboid with installation pole (22), and cutter arbor (1) inner wall is connected with installation pole (22) contact.

3. The adjustable CBN tool assembly as claimed in claim 1, in which: the tool apron (2) is a cylinder, a plurality of limiting holes (15) are formed in a small cylinder at one end of the tool apron and are matched with a round hole in one side of the mounting rod (22).

4. The adjustable CBN tool assembly as claimed in claim 1, in which: the side surface of the sliding groove (6) is cylindrical, and the diameter of the sliding groove (6) is larger than that of the threaded rod (7).

5. The adjustable CBN tool assembly as claimed in claim 1, in which: the center of the first tooth cone (11) is vertical to the center of the second tooth cone (12).

6. The adjustable CBN tool assembly as claimed in claim 1, in which: the gasket (4) is circular and can be detachably mounted between the CBN blade (3) and the bolt (5), and the diameter of the gasket (4) is larger than that of the positioning hole (21).

7. The adjustable CBN tool assembly as claimed in claim 1, in which: the center of the limiting rod (16) and the center of the limiting hole (15) are on the same straight line, and the length from the limiting rod (16) to one end of the spring (18) is greater than that of the end without the spring (18).