CN214212363U

CN214212363U - Step cutter for turning microminiature bearing ring

Info

Publication number: CN214212363U
Application number: CN202120102185.2U
Authority: CN
Inventors: 陈直; 张利霞
Original assignee: Shanghai Xinzhi Cutting Tool Factory
Current assignee: Shanghai Xinzhi Cutting Tool Factory
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-09-17
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses a step knife for turning microminiature bearing rings, which comprises a knife handle, wherein one end of the knife handle is provided with a knife head, one end of the knife handle is fixedly connected with a first clamping block, the surface of one end of the knife head is provided with a first limiting groove, the first clamping block is arranged at the inner side of the first limiting groove, one side surface of the first clamping block is provided with a second limiting groove, the inner side of the second limiting groove is provided with a second clamping block, the inner side of the second limiting groove is provided with a spring, and one side surface of the first limiting groove is provided with a first through hole; through the second fixture block that sets up, let handle of a knife and tool bit can carry out the block to the installation is dismantled to the convenience, has effectively avoided the tool bit to wear and tear the condition that needs often to be changed and lead to the handle of a knife to change together in the use, has made things convenient for the use.

Description

Step cutter for turning microminiature bearing ring

Technical Field

The utility model relates to a step sword technical field especially relates to a step sword for turning microminiature bearing ring.

Background

The milling cutter is a rotary cutter which is used for milling and provided with one or more cutter teeth, each cutter tooth sequentially and intermittently cuts off the allowance of a workpiece during working, and the milling cutter is mainly used for processing planes, steps, grooves, forming surfaces, cutting off the workpiece and the like on a milling machine;

in the step chamfer cutter disclosed in utility model No. CN206764050U, although the second cutting portion is used for tapping the hole, the first cutting portion removes the burr on the surface of the tapped screw hole; because the outer surface of the second cutting part is provided with the plurality of cutting cones at intervals, and the cutting cones are uniformly and radially provided with the plurality of threads, on one hand, tapping can be effectively carried out, on the other hand, chip removal can be effectively carried out, but the problem that a tool bit is fixedly connected with a tool shank, the tool bit is easy to wear and often needs to be replaced, and the tool shank needs to be replaced together due to the fixed connection, so that the step tool for turning the micro bearing ring is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a step sword for turning microminiature bearing ring through the second fixture block that sets up, lets handle of a knife and tool bit can carry out the block to convenient dismantlement installation has effectively avoided the tool bit to wear and tear in the use and need often change the condition that leads to the handle of a knife to change together, has made things convenient for the use.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a step sword for turning microminiature bearing ring, includes the handle of a knife, handle of a knife one end is provided with the tool bit, the first fixture block of handle of a knife one end fixedly connected with, first spacing groove has been seted up on tool bit one end surface, first fixture block is in first spacing inslot side, the second spacing groove has been seted up to first fixture block side surface, second spacing inslot side is provided with the second fixture block, second spacing inslot side is provided with the spring, first through-hole has been seted up to first spacing groove side surface.

As a preferred technical scheme of the utility model, handle of a knife one end is provided with the clamping part, clamping part one side fixed surface is connected with the fixed block, the second through-hole has been seted up to the fixed block inboard.

As a preferred technical scheme of the utility model, second fixture block one end is in the second spacing inslot side, the second fixture block other end runs through first through-hole and is in the tool bit outside.

As a preferred technical scheme of the utility model, spring one end is in second spacing inslot side surface, the spring other end is in second fixture block one end surface.

As an optimized technical scheme of the utility model, the second spacing groove is in on the same axis with first through-hole, first through-hole is in first spacing groove one side.

As a preferred technical scheme of the utility model, the quantity of second fixture block is provided with two altogether, two the second fixture block is in first fixture block both sides respectively.

As a preferred technical scheme of the utility model, the shape of first fixture block sets up to the cylinder, anti-skidding line has been seted up on first fixture block surface.

As a preferred technical scheme of the utility model, the quantity of fixed block is provided with two altogether, two the fixed block all is in the clamping part surface.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the tool holder and the tool bit can be clamped through the second clamping block, and the tool holder and the tool bit are convenient to disassemble and install, so that the situation that the tool bit is easy to wear and needs to be frequently replaced in the use process, the tool holder is replaced together, and the use is convenient;

2. through the fixed block that sets up, it is more stable when the clamping part lies in external connection, has effectively avoided the unstable condition of junction.

Drawings

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

FIG. 2 is a schematic structural view of the joint of the tool bit and the tool holder of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

fig. 4 is a schematic side view of the present invention.

Wherein: 1. a knife handle; 2. a cutter head; 3. a clamping portion; 4. a fixed block; 5. a first clamping block; 6. a second fixture block; 7. a first limit groove; 8. a first through hole; 9. a second limit groove; 10. a spring; 11. a second via.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1, 2 and 3, a step cutter for turning a micro-miniature bearing ring comprises a cutter handle 1, wherein one end of the cutter handle 1 is provided with a cutter head 2, one end of the cutter handle 1 is fixedly connected with a first clamping block 5, one end surface of the cutter head 2 is provided with a first limiting groove 7, the first clamping block 5 is positioned inside the first limiting groove 7, one side surface of the first clamping block 5 is provided with a second limiting groove 9, the inner side of the second limiting groove 9 is provided with a second clamping block 6, the inner side of the second limiting groove 9 is provided with a spring 10, and one side surface of the first limiting groove 7 is provided with a first through hole 8;

when the tool bit 2 needs to be replaced, the second fixture block 6 is pressed to be completely positioned on the inner side of the second limiting groove 9, and the tool bit 2 can be moved to one side and taken down; through the second fixture block 6 that sets up, let handle of a knife 1 and tool bit 2 can carry out the block to the installation is dismantled to the convenience, has effectively avoided tool bit 2 easy wearing and tearing need often change in the use and has leaded to the condition that handle of a knife 1 changed together, has made things convenient for the use.

In other embodiments, as shown in fig. 1 and 4, the embodiment discloses that, one end of the tool shank 1 is provided with a clamping portion 3, a fixed block 4 is fixedly connected to a surface of one side of the clamping portion 3, and a second through hole 11 is formed in an inner side of the fixed block 4;

when the clamping part 3 needs to be connected with the outside, the fixing block 4 can be attached to the connecting part and fixed by a part through the second through hole 11; through the fixed block 4 that sets up, it is more stable when external connection to let clamping part 3 lie in, has effectively avoided the unstable condition of junction.

In other embodiments, as shown in fig. 3, in the embodiment, one end of the second locking block 6 is located inside the second limiting groove 9, and the other end of the second locking block 6 penetrates through the first through hole 8 and is located outside the tool bit 2; the cutter handle 1 and the cutter head 2 can be clamped through the position of the second clamping block 6.

In other embodiments, as shown in fig. 3, one end of the spring 10 is located on the inner side surface of the second limiting groove 9, and the other end of the spring 10 is located on one end surface of the second locking block 6; the second clamping block 6 is automatically ejected to one side when not stressed by the arranged spring 10.

In other embodiments, as shown in fig. 3, the second limiting groove 9 and the first through hole 8 are located on the same axis, and the first through hole 8 is located at one side of the first limiting groove 7; through the second spacing groove 9 that sets up, let second fixture block 6 can remove.

In other embodiments, as shown in fig. 2 and 3, the present embodiment discloses that the number of the second locking blocks 6 is two, and the two second locking blocks 6 are respectively located at two sides of the first locking block 5; through setting up two second fixture blocks 6, let the junction of handle of a knife 1 and tool bit 2 more stable.

In other embodiments, as shown in fig. 2 and 3, the first block 5 is a cylinder, and the surface of the first block 5 is provided with anti-slip threads; through the anti-skidding line that sets up, it is more stable to let first fixture block 5 be in first spacing groove 7 inboard.

In other embodiments, as shown in fig. 1 and 4, the embodiment discloses that two fixing blocks 4 are provided, and the two fixing blocks 4 are both located on the surface of the clamping portion 3; through setting up two fixed blocks 4, let clamping part 3 more stable with outside junction.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a step sword for turning microminiature bearing ring, includes handle of a knife (1), its characterized in that: the utility model discloses a cutting tool, including handle of a knife (1), handle of a knife (1) one end fixedly connected with first fixture block (5), first spacing groove (7) have been seted up on tool bit (2) one end surface, first fixture block (5) are in first spacing groove (7) inboard, second spacing groove (9) have been seted up on first fixture block (5) side surface, second spacing groove (9) inboard is provided with second fixture block (6), second spacing groove (9) inboard is provided with spring (10), first through-hole (8) have been seted up on first spacing groove (7) side surface.

2. The step tool for turning the miniature bearing ring according to claim 1, wherein: the tool handle is characterized in that a clamping part (3) is arranged at one end of the tool handle (1), a fixed block (4) is fixedly connected to the surface of one side of the clamping part (3), and a second through hole (11) is formed in the inner side of the fixed block (4).

3. The step tool for turning the miniature bearing ring according to claim 1, wherein: one end of the second clamping block (6) is located on the inner side of the second limiting groove (9), and the other end of the second clamping block (6) penetrates through the first through hole (8) and is located on the outer side of the cutter head (2).

4. The step tool for turning the miniature bearing ring according to claim 1, wherein: one end of the spring (10) is positioned on the inner side surface of the second limiting groove (9), and the other end of the spring (10) is positioned on one end surface of the second clamping block (6).

5. The step tool for turning the miniature bearing ring according to claim 1, wherein: the second limiting groove (9) and the first through hole (8) are located on the same axis, and the first through hole (8) is located on one side of the first limiting groove (7).

6. The step tool for turning the miniature bearing ring according to claim 1, wherein: the number of the second clamping blocks (6) is two, and the two second clamping blocks (6) are respectively positioned on two sides of the first clamping block (5).

7. The step tool for turning the miniature bearing ring according to claim 1, wherein: the first fixture block (5) is cylindrical, and anti-skid grains are formed in the surface of the first fixture block (5).

8. The step tool for turning the miniature bearing ring as set forth in claim 2, wherein: the number of the fixing blocks (4) is two, and the two fixing blocks (4) are located on the surface of the clamping portion (3).