CN217412569U

CN217412569U - Modular drill way guide processing is with countersink

Info

Publication number: CN217412569U
Application number: CN202220917881.3U
Authority: CN
Inventors: 谢亚平; 谢卫芬
Original assignee: Changzhou Lisheng Tool Manufacturing Co ltd
Current assignee: Changzhou Lisheng Tool Manufacturing Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-09-13
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a modular drill way is countersink for guide circle processing, including cutter body, guide pillar and handle of a knife. The utility model has the advantages that: two arc tangent plane chip pockets have been seted up to the blade holder outside, the chip pocket is central symmetric distribution, be convenient for clear up the sweeps of cutting, avoid accumulational waste material wearing and tearing cutter body, the blade is detachable clamping connection through locking screw in the sword inslot of blade holder, the firm in installation, also make things convenient for later stage to tear open the blade open and trade or maintain simultaneously, the blade has two, the blade is made by tungsten carbide hard alloy material, improve the rigidity and the wearability of blade, increase its life, the guide pillar passes through connecting rod and hexagon socket head cap screw and is detachable connection in the mounting hole of blade holder, be convenient for assemble or dismantle, simultaneously through the clearance fit in guide pillar and processed hole, also can play the guide effect to the cutter when processing cylindrical countersink, handle of a knife tail end symmetry is provided with two clamping faces, make the more firm that the cutter is connected on the lathe.

Description

Modular drill way guide processing is with countersink

Technical Field

The utility model relates to a countersink specifically is a modular countersink is used in drill way pilot circle processing belongs to machining cutter technical field.

Background

The countersink is a mechanical processing tool for scraping an end face of a hole processed on a workpiece and cutting a conical, cylindrical and other molded surface countersink, and can be divided into a plane countersink, a cylindrical countersink, a conical countersink, an end face countersink and the like according to different processing purposes.

The existing countersink has a simple structure:

1) the conventional countersink is not provided with a chip pocket on the surface, so that cutting waste is easy to accumulate in a processed hole or on the surface of a workpiece, a cutter body is abraded to a certain extent, and the used cutter blade and the cutter holder are always in an integral structure, so that the worn cutter blade is inconvenient to replace or maintain after being used for a long time although the used cutter blade and the cutter holder have better structural stability;

2) the guide post is fixed in the center of the cutting end face of the tool apron through welding, and although the guide post is firmly connected, the guide post cannot be detached, so that the manufacturing and the sharpening of the end face teeth of the countersink are inconvenient, and more limitations exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a modular countersink is used in the processing of leading circle in drill way in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a countersink for machining a pilot circle of a combined hole comprises

The cutter body for cutting a workpiece consists of a cylindrical cutter holder and a square blade which is arranged on the edge of the top end of the cutter holder and protrudes outwards, and a mounting hole is formed in the center of the cutting end face of the cutter holder; and

the center of the inner end surface of the guide post is fixedly welded with a connecting rod, the guide post is fixedly arranged in the mounting hole of the tool apron through the connecting rod, and the guide post can play a role in guiding the tool during the working process; and

the cutter handle is arranged at the center of the rear end face of the cutter holder, and the outer diameter of the cutter handle is smaller than that of the cutter holder.

As a further aspect of the present invention: two arc tangent plane chip pockets are seted up to the blade holder outside, and the chip pocket is central symmetry and distributes.

As a further aspect of the present invention: the inner side plane section of the chip groove is provided with a cutter groove, the blade is clamped in the cutter groove, and the blade is detachably clamped and connected in the cutter groove of the cutter holder through a locking screw.

As a further aspect of the present invention: the number of the blades is two, and the blades are made of tungsten carbide rigid alloy materials.

As a further aspect of the present invention: the tool apron is characterized in that a threaded hole is formed in the connecting rod, a counter bore is formed in the side face of the tool apron, an inner hexagon bolt is arranged in the counter bore, the inner hexagon bolt penetrates through the counter bore and is in threaded connection in the threaded hole of the connecting rod, and the guide pillar is detachably connected in the mounting hole of the tool apron through the connecting rod and the inner hexagon bolt.

As a further aspect of the present invention: two clamping surfaces are arranged at the tail end of the cutter handle, and the clamping surfaces are symmetrically distributed.

The utility model has the advantages that:

1) the outer side of the cutter holder is provided with two arc-cut-surface chip grooves which are distributed in a central symmetry manner, so that cutting scraps can be conveniently cleaned, the cutter body can be prevented from being worn by accumulated waste materials, the blades are detachably clamped and connected in the cutter grooves of the cutter holder through locking screws, the installation is firm, the blades can be conveniently detached, replaced or maintained at a later stage, the number of the blades is two, the blades are made of tungsten carbide rigid alloy materials, the rigidity and the wear resistance of the blades are improved, and the service life of the blades is prolonged;

2) the guide pillar passes through the connecting rod and hexagon socket head cap screw is detachable connection in the mounting hole of blade holder, is convenient for assemble or dismantle, simultaneously through the clearance fit in guide pillar and processed hole, also can play the guide effect to the cutter when processing cylindrical counter sink, and handle of a knife tail end symmetry is provided with two clamping face, makes the more firm of cutter connection on the lathe.

Drawings

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

FIG. 2 is a view of the cutting end face of the countersink of the present invention;

FIG. 3 is a schematic view of the structure of the guide post of the present invention;

fig. 4 is the utility model discloses handle of a knife structural schematic.

In the figure: 1. the tool rest comprises a tool apron body, 2 parts of chip grooves, 3 parts of tool grooves, 4 parts of blades, 5 parts of locking screws, 6 parts of mounting holes, 7 parts of guide pillars, 8 parts of connecting rods, 9 parts of threaded holes, 10 parts of counter bores, 11 parts of hexagon socket head bolts, 12 parts of tool handles, 13 parts of clamping surfaces.

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.

Example one

Referring to fig. 1-4, a countersink for a combined orifice rounding process includes

The cutter body for cutting a workpiece consists of a cylindrical cutter holder 1 and a square blade 4 which is arranged on the edge of the top end of the cutter holder 1 and protrudes outwards, and a mounting hole 6 is formed in the center of the cutting end face of the cutter holder 1; and

the guide post 7 is fixedly welded with a connecting rod 8 in the center of the inner end face, is fixedly installed in the installation hole 6 of the tool apron 1 through the connecting rod 8, and can play a role in guiding during the operation of the tool; and

the cutter handle 12 is arranged at the center of the rear end face of the cutter holder 1, and the outer diameter of the cutter handle is smaller than that of the cutter holder 1.

The embodiment of the utility model provides an in, two arc tangent plane chip pockets 2 have been seted up in the blade holder 1 outside, and chip pocket 2 is central symmetric distribution, is convenient for clear up the sweeps of cutting, avoids accumulational waste material wearing and tearing cutter body.

The embodiment of the utility model provides an in, sword groove 3 has been seted up to 2 inboard tangent planes of chip pocket, blade 4 clamps in sword groove 3, and blade 4 is detachable screens through locking screw 5 and connects in sword groove 3 of blade holder 1, and the installation is firm, also makes things convenient for the later stage to tear open blade 4 simultaneously and trades or maintain.

In the embodiment of the present invention, there are two blades 4, and the blades 4 are made of a tungsten carbide hard alloy material, so as to improve the rigidity and wear resistance of the blades 4 and prolong the service life thereof.

Example two

The embodiment of the utility model provides an in, threaded hole 9 has been seted up on connecting rod 8, 1 side of blade holder is equipped with counter bore 10, it has hexagon socket head cap screw 11 to settle in the counter bore 10, hexagon socket head cap screw 11 passes counter bore 10 and threaded connection in the screw hole 9 of connecting rod 8, and guide pillar 7 is detachable the connection through connecting rod 8 and hexagon socket head cap screw 11 in mounting hole 6 of blade holder 1, is convenient for assemble or dismantle, simultaneously through the clearance fit in guide pillar 7 and processed hole, also can play the guide effect to the cutter when processing cylindrical counter bore.

The embodiment of the utility model provides an in, two clamping faces 13 have been seted up to handle of a knife 12 tail ends, and clamping face 13 is the symmetric distribution, makes the cutter connect on the lathe more firm.

The working principle is as follows: when the combined countersink for rounding an orifice is used, firstly, a blade 4 is fixedly installed in a tool groove 3 of a tool holder 1 by a locking screw 5, then the connecting rod 8 of the guide post 7 is inserted into the mounting hole 6 of the tool apron 1, then the hexagon socket head cap screw 11 passes through the counter bore 10 at the outer side of the tool apron 1 and is connected in the threaded hole 9 on the connecting rod 8 by screw thread, finally the tool shank 12 is clamped and fixed on the machine tool by the clamping surface 13, when in work, the guide post 7 is arranged at the hole opening, the clearance fit between the guide post 7 and the processed hole controls the error of the coaxiality of the reamed hole and the original hole, and then the cylindrical counter bore can be processed at the hole opening through the blade 4, during the process, the chip groove 2 on the surface of the tool apron 1 can clean up the cutting scraps, the accumulated scraps are prevented from abrading the tool body, simultaneously, the blade 4 and the guide pillar 7 that use all are detachable, make things convenient for the change or the maintenance in later stage.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 a modular drill way is countersink for guide circle processing which characterized in that: comprises that

The cutter body for cutting a workpiece consists of a cylindrical cutter holder (1) and a square blade (4) which is arranged on the edge of the top end of the cutter holder (1) and protrudes outwards, and a mounting hole (6) is formed in the center of the cutting end face of the cutter holder (1); and

the center of the inner end surface of the guide post (7) is fixedly welded with a connecting rod (8), and the guide post is fixedly arranged in the mounting hole (6) of the tool apron (1) through the connecting rod (8) and can play a role in guiding during the working of the tool; and

the cutter handle (12) is arranged at the center of the rear end face of the cutter holder (1), and the outer diameter of the cutter handle is smaller than that of the cutter holder (1).

2. The counterboring tool for combined hole rounding machining according to claim 1, wherein: two arc tangent plane chip pockets (2) are seted up to the blade holder (1) outside, and chip pockets (2) are central symmetry and distribute.

3. The counterboring tool for combined hole rounding machining according to claim 2, wherein: the inner side plane section of the chip groove (2) is provided with a cutter groove (3), the blade (4) is clamped in the cutter groove (3), and the blade (4) is detachably clamped and connected in the cutter groove (3) of the cutter holder (1) through a locking screw (5).

4. The counterboring tool for combined hole rounding machining according to claim 1, wherein: the number of the blades (4) is two, and the blades (4) are made of tungsten carbide rigid alloy materials.

5. The counterboring tool for combined hole rounding machining according to claim 1, wherein: threaded hole (9) is opened on connecting rod (8), blade holder (1) side is equipped with counter bore (10), it has hexagon socket head cap screw (11) to settle in counter bore (10), hexagon socket head cap screw (11) pass counter bore (10) and threaded connection is in threaded hole (9) of connecting rod (8), and guide pillar (7) are detachable the connection through connecting rod (8) and hexagon socket head cap screw (11) in mounting hole (6) of blade holder (1).

6. The counterboring tool for combined hole rounding machining according to claim 1, wherein: two clamping surfaces (13) are arranged at the tail end of the cutter handle (12), and the clamping surfaces (13) are symmetrically distributed.