CN216461981U

CN216461981U - External thread blade convenient to centre gripping

Info

Publication number: CN216461981U
Application number: CN202122314167.3U
Authority: CN
Inventors: 薛成新; 李锦�
Original assignee: Changzhou Sude Tool Co ltd
Current assignee: Changzhou Sude Tool Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-05-10
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses an external thread blade convenient to clamp, which comprises a blade body, a blade rod and a blade holder. The utility model has the beneficial effects that: the cutter body outside is equipped with the screw thread sword, the cutter body is twolip helical structure, the cutting speed is fast, the cut volume is many, and then can the efficient mill the work piece, also be convenient for go out the screw thread at the surface drilling of work piece simultaneously, the heliciform chip groove has been seted up on the cutter body surface, make the waste material of cutting discharge along with rotatory cutter body, improve machining efficiency, the cutter body is made by high-speed steel material, improve cutter bulk strength, increase cutter body wearability, first connecting seat and second connecting seat pass through fastening bolt and the through-hole and the screw hole that correspond are detachable connection, be convenient for be in the same place cutter arbor and blade holder fixed assembly, the atress is even simultaneously, it is not hard up to avoid long-time use to produce to become flexible, clamping seat surface evenly distributed has four clamping surfaces, the fixed blade holder of the centre gripping of being convenient for, avoid the cutter pine to take off, improve the security.

Description

External thread blade convenient to centre gripping

Technical Field

The utility model relates to a blade, in particular to an external thread blade convenient to clamp, and belongs to the technical field of machining tools.

Background

The machining is short for machining, and refers to a machining process for removing materials through mechanical precision machining, the main machining work is to realize the refined machining of raw materials through a machine tool, the machining is divided into manual machining and numerical control machining according to different machining modes, the manual machining refers to a method for machining various materials by a mechanical worker manually operating mechanical equipment such as a milling machine, a lathe, a drilling machine, a sawing machine and the like, the manual machining is suitable for small-batch and simple part production, the numerical control machining refers to a method for machining by the mechanical worker by using numerical control equipment, the numerical control equipment comprises a machining center, a turning and milling center, an electric spark wire cutting device, a thread cutting machine and the like, most machining workshops adopt numerical control machining technology, a large part of the workpieces in the workshop are machined by the tool, so that the blade serving as the forming tool is widely applied to the field of machining.

The existing blade has a simpler structure:

1) the traditional blade is often a straight-surface type cutter body, although the traditional blade can cut a workpiece, the overall strength and stability of the traditional blade are poor, and when the traditional blade is used for processing a workpiece with higher hardness, the cutter body is easy to deform or break, so that the practicability is not strong;

2) the cutter bar and the cutter seat are fixed together by welding, and although the connection is firm, the later disassembly and maintenance are inconvenient;

3) the clamping surface is not arranged on the surface of the clamping seat, so that when the tool apron is installed, the tool is easy to loosen due to infirm clamping, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above problems, and an object of the present invention is to provide an externally threaded insert which is easy to clamp.

The utility model realizes the purpose through the following technical scheme: an externally threaded blade convenient for clamping, comprising

A cutter body capable of cutting a workpiece while drilling a thread is located at a front end of the insert; and

the cutter bar is arranged at the rear end of the cutter body, and a disc-shaped first connecting seat is fixedly welded at the tail end of the cutter bar; and

the tool apron consists of a second connecting seat fixedly connected with the first connecting seat and a clamping seat installed on the machine tool, and the clamping seat is welded and fixed at the center of the outer end face of the second connecting seat.

As a still further scheme of the utility model: the top end of the cutter body is provided with a convex cutter point, the outer side of the cutter body is provided with a threaded blade, and the cutter body is of a double-blade spiral structure.

As a still further scheme of the utility model: the surface of the cutter body is provided with a chip removing groove which is in a continuous spiral shape.

As a still further scheme of the utility model: the cutter body and the cutter bar are of an integrated structure, the outer diameter of the cutter bar is smaller than that of the cutter body, and the cutter body is made of high-speed steel materials.

As a still further scheme of the utility model: four through holes are uniformly distributed on the first connecting seat, four threaded holes are formed in the inner end face of the second connecting seat, and the first connecting seat and the second connecting seat are detachably connected through fastening bolts and the corresponding through holes and threaded holes.

As a still further scheme of the utility model: the center of the outer end face of the clamping seat is provided with a positioning hole, and four clamping faces are uniformly distributed on the surface of the clamping seat.

The utility model has the beneficial effects that:

1) the outer side of the cutter body is provided with the threaded blade, the cutter body is of a double-blade spiral structure, the cutting speed is high, the cutting amount is large, a workpiece can be efficiently milled, threads can be conveniently drilled on the surface of the workpiece, a spiral chip-removing groove is formed in the surface of the cutter body, cut waste materials can be discharged along with the rotating cutter body, the machining efficiency is improved, the cutter body is made of a high-speed steel material, the integral strength of the cutter is improved, and the abrasion resistance of the cutter body is improved;

2) the first connecting seat and the second connecting seat are detachably connected through the fastening bolts and the corresponding through holes and threaded holes, so that the cutter bar and the cutter holder are conveniently fixed and assembled together, and meanwhile, the stress is uniform, and the looseness caused by long-time use is avoided;

3) four clamping surfaces are uniformly distributed on the surface of the clamping seat, so that the tool holder can be clamped and fixed conveniently, the tool is prevented from loosening, and the safety is improved.

Drawings

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

FIG. 2 is a schematic view of a tool holder and tool apron connection structure according to the present invention;

FIG. 3 is a rear end view of the tool holder of the present invention.

In the figure: 1. cutter body, 2, knife tip, 3, screw thread sword, 4, chip groove, 5, cutter arbor, 6, first connecting seat, 7, through-hole, 8, fastening bolt, 9, second connecting seat, 10, screw hole, 11, clamping seat, 12, locating hole and 13, clamping face.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example one

Referring to FIGS. 1 to 3, an externally threaded blade for easy clamping includes

A cutter body 1, wherein the cutter body 1 capable of cutting a workpiece and drilling threads is positioned at the front end of the blade; and

the cutter bar 5 is arranged at the rear end of the cutter body 1, and a disc-shaped first connecting seat 6 is fixedly welded at the tail end of the cutter bar; and

the tool apron comprises a second connecting seat 9 fixedly connected with the first connecting seat 6 and a clamping seat 11 installed on a machine tool, and the clamping seat 11 is fixed at the center of the outer end face of the second connecting seat 9 in a welding mode.

In the embodiment of the utility model, the top end of the cutter body 1 is provided with the convex cutter point 2, the outer side of the cutter body 1 is provided with the threaded blade 3, and the cutter body 1 is of a double-blade spiral structure, so that the cutting speed is high, the cutting amount is large, the workpiece can be efficiently milled, and the threads can be conveniently drilled on the surface of the workpiece.

In the embodiment of the utility model, the surface of the cutter body 1 is provided with the chip removing grooves 4, and the chip removing grooves 4 are in a continuous spiral shape, so that the cut waste materials can be discharged along with the rotating cutter body 1, and the processing efficiency is improved.

In the embodiment of the utility model, the cutter body 1 and the cutter bar 5 are of an integrated structure, the outer diameter of the cutter bar 5 is smaller than that of the cutter body 1, and the cutter body 1 is made of high-speed steel materials, so that the integral strength of the cutter is improved, and the wear resistance of the cutter body 1 is improved.

Example two

In the embodiment of the utility model, four through holes 7 are uniformly distributed on the first connecting seat 6, four threaded holes 10 are arranged on the inner end surface of the second connecting seat 9, and the first connecting seat 6 and the second connecting seat 9 are detachably connected through the fastening bolt 8 and the corresponding through hole 7 and threaded hole 10, so that the cutter bar 5 and the cutter holder are conveniently fixed and assembled together, and meanwhile, the stress is uniform, and the looseness caused by long-time use is avoided.

In the embodiment of the utility model, the center of the outer end face of the clamping seat 11 is provided with the positioning hole 12, and the surface of the clamping seat 11 is uniformly distributed with four clamping faces 13, so that the tool apron can be clamped and fixed conveniently, the tool is prevented from loosening, and the safety is improved.

The working principle is as follows: when the externally threaded blade convenient to clamp is used, the first connecting seat 6 and the second connecting seat 9 are assembled together through the fastening bolt 8 and the corresponding through hole 7 and the threaded hole 10, so that the cutter bar 5 is fixedly arranged on the cutter seat, the clamping seat 11 is stably clamped on a machine tool through the positioning hole 12 and the four clamping surfaces 13, so that the cutter is fixed, the machine tool is opened, a workpiece is cut through the cutter point 2 at the top end of the cutter body 1 and the threaded blade 3 on the surface of the cutter body, during the cutting, the threaded blade 3 on the outer side of the cutter body 1 can enable the cutter bar to drill threads on the surface of the workpiece, and cut waste materials can be discharged through the spiral chip withdrawing groove 4, so that the machining efficiency is improved, the used cutter bar 5 and the cutter seat are detachable, the assembly or disassembly of personnel is convenient, and meanwhile, the four clamping surfaces 13 uniformly distributed on the surface of the clamping seat 11 are convenient to quickly clamp and fix the cutter seat, avoid the cutter pine to take off, improve the security.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an external screw thread blade convenient to centre gripping which characterized in that: comprises that

The cutter body (1), the cutter body (1) which can cut a workpiece and drill threads is positioned at the front end of the blade;

the cutter bar (5) is arranged at the rear end of the cutter body (1), and a disc-shaped first connecting seat (6) is fixedly welded at the tail end of the cutter bar;

the tool apron consists of a second connecting seat (9) fixedly connected with the first connecting seat (6) and a clamping seat (11) installed on a machine tool, and the clamping seat (11) is welded and fixed at the center of the outer end face of the second connecting seat (9).

2. An externally threaded cutting insert for facilitating clamping according to claim 1 wherein: the cutter is characterized in that a convex cutter point (2) is arranged at the top end of the cutter body (1), a threaded blade (3) is arranged on the outer side of the cutter body (1), and the cutter body (1) is of a double-blade spiral structure.

3. An externally threaded cutting insert for facilitating clamping according to claim 1 wherein: the surface of the cutter body (1) is provided with a chip removing groove (4), and the chip removing groove (4) is in a continuous spiral shape.

4. An externally threaded cutting insert for facilitating clamping according to claim 1 wherein: the cutter body (1) and the cutter bar (5) are of an integrated structure, the outer diameter of the cutter bar (5) is smaller than that of the cutter body (1), and the cutter body (1) is made of high-speed steel materials.

5. An externally threaded cutting insert for facilitating clamping according to claim 1 wherein: evenly distributed has four through-hole (7) on first connecting seat (6), terminal surface is equipped with four screw hole (10) in second connecting seat (9), and first connecting seat (6) and second connecting seat (9) are detachable connection through fastening bolt (8) and corresponding through-hole (7) and screw hole (10).

6. An externally threaded cutting insert for facilitating clamping according to claim 1 wherein: the center of the outer end face of the clamping seat (11) is provided with a positioning hole (12), and four clamping faces (13) are uniformly distributed on the surface of the clamping seat (11).