CN218015850U

CN218015850U - Boring cutter for machining

Info

Publication number: CN218015850U
Application number: CN202221876073.3U
Authority: CN
Inventors: 颜芳娟; 陈建军; 谢伟
Original assignee: Zhengzhou Huazhi Electromechanical Technology Co ltd
Current assignee: Zhengzhou Huazhi Electromechanical Technology Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-12-13
Anticipated expiration: 2032-07-14

Abstract

The utility model relates to a boring cutter for machining, which comprises a cutter head and a cutter handle; one end of the knife handle is provided with a sliding chute, and the depth direction of the sliding chute is consistent with the axial direction of the knife handle; one end of the cutter head is provided with a cutting edge, and the other end of the cutter head is arranged in the chute in a radial sliding manner; be equipped with the screw hole of control tool bit radial sliding position on the handle of a knife, be equipped with the jackscrew in the screw hole, this cutter can make the tool bit slide in the spout through establishing the jackscrew soon when especially processing the shoulder hole in the face of complicated work piece to change the distance of the point to the centre of rotation with the work piece contact on the cutting edge, need not to tear open the bore hole that changes the cutter of different specification and dimension can once only process multiple apertures promptly, avoided tearing open the process of changing, it is very convenient.

Description

Boring cutter for machining

Technical Field

The utility model relates to a machining cutter technical field, concretely relates to boring cutter for machining.

Background

The boring tool is one of the hole machining tools, is usually in a round handle shape or a square shape, and is commonly used for reaming, reverse countersunk head machining and stepped hole machining of workpieces.

When a traditional boring tool is used for boring, the boring tool with determined specification and size is often used correspondingly for a determined aperture, especially for a workpiece with a complex structure or a stepped hole, the boring tool needs to be replaced by a plurality of tools to process the workpiece, and the tool replacing and tool setting processes take much time, are time-consuming and labor-consuming, and are very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a boring cutter for machine tooling for solve traditional boring cutter and need tear the problem that changes and waste time and energy many times of tearing open when processing the work piece.

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

a boring tool for machining includes a tool bit and a tool shank;

one end of the knife handle is provided with a sliding groove, and the depth direction of the sliding groove is consistent with the axial direction of the knife handle; one end of the cutter head is provided with a cutting edge, and the other end of the cutter head is arranged in the sliding chute in a radial sliding manner; the tool holder is provided with a threaded hole for controlling the radial sliding position of the tool bit, and a jackscrew is arranged in the threaded hole.

Furthermore, the sliding groove is opened at the left end face of the knife handle, and a first blocking part for limiting the rotation of the knife head is arranged in the sliding groove.

Furthermore, the first blocking portion is a first blocking plane, and the number of the first blocking planes is two, and the two first blocking planes are respectively located on the front side and the rear side of the inner portion of the sliding groove.

Further, the cutting edge is positioned at the left end of the cutter head, and the right end of the cutter head is arranged in the sliding groove in a sliding manner;

the cutter head is provided with a second stopping part matched with the first stopping part, the second stopping part is a second stopping plane, and the number of the second stopping planes is two, and the two second stopping planes are respectively positioned on the front side and the rear side of the right half section of the cutter head.

Furthermore, a first through hole for circulating cooling liquid axially penetrates through the cutter handle, the right end of the first through hole is positioned on the right end face of the cutter handle, and the left end of the first through hole is positioned at the bottom of the sliding groove;

the tool bit is provided with a second through hole for circulating cooling liquid, the right end of the second through hole is arranged on the right end face of the tool bit, and the left end of the second opening is arranged on the knife edge portion.

Further, the spout bottom is equipped with the bar groove, the left end and the bar groove of first through-hole communicate each other.

Furthermore, a contrast block for preventing the tool bit from inclining is arranged on the first blocking part; and the left end face of the knife handle is provided with scale marks which are distributed in the vertical direction.

The utility model has the advantages that:

a boring cutter for machining comprises a cutter head and a cutter handle; one end of the knife handle is provided with a sliding groove, and the depth direction of the sliding groove is consistent with the axial direction of the knife handle; one end of the cutter head is provided with a cutting edge, and the other end of the cutter head is arranged in the sliding groove in a radial sliding manner; the utility model discloses a boring cutter, including handle of a knife, the handle of a knife is equipped with the screw hole of control tool bit radial sliding position, be equipped with the jackscrew in the screw hole, this cutter can make the tool bit slide in the spout through establishing the jackscrew soon when especially processing shoulder hole in the face of complicated work piece to change the distance to centre of turning of the point of contact with the work piece on the cutting edge, need not to tear open the bore hole that changes multiple aperture of disposable processing of the cutter of different specification and dimension promptly, avoided tearing open the process of changing, it is very convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of the utility model;

FIG. 2 is a schematic view of a tool bit structure of the utility model;

fig. 3 is a schematic view of the structure of the middle knife handle of the utility model.

Names corresponding to the marks in the figure:

1. the tool bit, 10, a second stop part, 100, a comparison block, 11, a second through hole, 12, a blade, 2, a tool shank, 20, a sliding groove, 21, a threaded hole, 22, a first through hole, 23, a strip-shaped groove, 24, a scale, 25 and a first stop part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 all belong to the protection scope of the present invention.

The embodiment of the utility model provides a:

as shown in fig. 1 to 3, a boring tool for machining includes a tool bit 1 and a tool shank 2.

One end of the knife handle 2 is provided with a chute 20, and the depth direction of the chute 20 is consistent with the axial direction of the knife handle 2; one end of the cutter head 1 is provided with a cutting edge 12, and the other end is arranged in the chute 20 in a radial sliding manner; be equipped with the screw hole 21 of the radial sliding position of control tool bit 1 on handle of a knife 2, be equipped with the jackscrew in the screw hole 21, it is concrete, screw hole 21 is equipped with two sets ofly altogether, every group is equipped with two, one of them is a set of upside that is located handle of a knife 2, the other end is located the downside of handle of a knife 2, screw hole 21 makes spout 20 communicate with the outside on the circumferential direction of handle of a knife 2, when with tool bit 1 rebound in spout 20, the jackscrew that will be located the 2 upsides of handle of a knife is rotatory to the outside, and the jackscrew that will be located the 2 downside of handle of a knife simultaneously, thereby make tool bit 1 remove in spout 20.

The chute 20 is open at the left end face of the tool holder 2, and a first stop portion 25 for limiting the rotation of the tool bit 1 is arranged in the chute 20. The first stop portions 25 are two first stop planes respectively located at the front side and the rear side of the inner portion of the sliding slot 20, and in this embodiment, the first stop planes are two inner side walls of the sliding slot 20.

The cutting edge 12 is positioned at the left end of the tool bit 1 and is used for directly contacting a workpiece to bore, and the right end of the tool bit 1 is arranged in the sliding groove 20 in a sliding manner; the tool bit 1 is provided with a second stopping part 10 used for being matched with the first stopping part 25, the second stopping part 10 is a second stopping plane, the number of the second stopping planes is two, the second stopping planes are respectively located on the front side and the rear side of the right half section of the tool bit 1, the second stopping part 10 and the second stopping part 10 have the same effect and are used for limiting the self-rotation of the tool bit 1, when the right end of the tool bit 1 is located in the sliding groove 20, the first stopping surfaces are correspondingly in contact fit with the second stopping surfaces, and the distance between the two first stopping surfaces and the distance between the two second stopping surfaces are determined by the fact that the first stopping part 25 can be in interference fit with the sliding groove 20.

A first through hole 22 for circulating cooling liquid axially penetrates through the tool shank 2, the right end of the first through hole 22 is located on the right end face of the tool shank 2, and the left end of the first through hole 22 is located at the bottom of the sliding groove 20; be equipped with the second through-hole 11 that is used for circulating the coolant liquid on tool bit 1, the right-hand member of second through-hole 11 is on tool bit 1's right-hand member face, and the left end of second through-hole is located cutting edge 12 portion, and spout 20 bottom is equipped with bar groove 23, and the left end and the bar groove 23 of first through-hole 22 communicate each other. The right-hand member and the main shaft interconnect of handle of a knife 2, when the bore hole, coolant liquid flows out from the main shaft, flows to cutting edge 12 part through first through-hole 22, bar groove 23 and second through-hole 11 respectively to cool down cutting edge 12 part, guarantee the normal work of cutting edge 12 part.

The first stopper 25 is provided with a reference block 100 for preventing the tool bit 1 from inclining; the left end face of the knife handle 2 is provided with 24 scales which are distributed in the vertical direction; the two comparison blocks 100 are respectively located on the two first stop planes, and when the top threads and the bottom threads are screwed, in order to avoid the inclination of the tool bit 1, after the position of the tool bit 1 is adjusted each time, the right side surface of the comparison block 100 must be completely attached to the left end surface of the tool holder 2.

When the tool bit 1 is positioned at the lowest part of the sliding groove 20, the diameter of the boring hole is the largest, and when the tool bit 1 slides upwards to be concentric with the tool holder 2, the diameter of the boring hole is the smallest.

Claims

1. A boring cutter for machining, characterized in that: comprises a cutter head and a cutter handle;

one end of the knife handle is provided with a sliding groove, and the depth direction of the sliding groove is consistent with the axial direction of the knife handle; one end of the cutter head is provided with a cutting edge, and the other end of the cutter head is arranged in the sliding groove in a radial sliding manner; the tool handle is provided with a threaded hole for controlling the radial sliding position of the tool bit, and a jackscrew is arranged in the threaded hole.

2. A boring tool for machining according to claim 1, characterized in that: the sliding groove is formed in an opening in the left end face of the knife handle, and a first blocking portion for limiting the rotation of the knife head is arranged in the sliding groove.

3. A boring tool for machining according to claim 2, characterized in that: the first stop parts are first stop planes, and the number of the first stop planes is two, and the two first stop planes are respectively positioned on the front side and the rear side of the inside of the sliding groove.

4. A boring tool for machining according to claim 2, characterized in that: the cutting edge is positioned at the left end of the cutter head, and the right end of the cutter head is arranged in the sliding groove in a sliding manner;

5. A boring tool for machining according to claim 1, characterized in that: a first through hole for circulating cooling liquid axially penetrates through the cutter handle, the right end of the first through hole is positioned on the right end face of the cutter handle, and the left end of the first through hole is positioned at the bottom of the sliding groove;

6. The boring tool for machining according to claim 5, wherein: the bottom of the sliding groove is provided with a strip-shaped groove, and the left end of the first through hole is communicated with the strip-shaped groove.

7. A boring tool for machining according to claim 2, characterized in that: the first blocking part is provided with a comparison block for avoiding the inclination of the cutter head; and the left end face of the knife handle is provided with scale marks which are distributed in the vertical direction.