CN217370617U

CN217370617U - Reverse-side counter bore multi-edge countersink drill

Info

Publication number: CN217370617U
Application number: CN202220745744.6U
Authority: CN
Inventors: 陈伟鹏; 储强明
Original assignee: Wuhan Schward Tool Co ltd
Current assignee: Wuhan Schward Tool Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-09-06
Anticipated expiration: 2032-04-01

Abstract

The utility model belongs to the technical field of the counter bore processing technique and specifically relates to a reverse side counter bore multiple-blade countersink drill, include: the discharge device comprises a countersink drill, a through hole, a plurality of cutting edges and a plurality of discharge grooves, wherein the through hole penetrates through the countersink drill, the cutting edges are fixed on the countersink drill at equal intervals, and the discharge grooves are respectively formed in the countersink drill between two adjacent cutting edges; the utility model discloses when using, the setting of a plurality of cutting edges lets a plurality of cutting edges share the volume of cutting object, this wearing and tearing that just will have just also reduced the counter bit and go up the cutting edge, and then can prolong the life of a plurality of cutting edges on the counter bit, prolong the life of this reverse side counter bore multiple-blade counter bit, and the setting of a plurality of relief grooves, let a plurality of cutting edges when cutting on the counter bit, the waste residue of production discharges more easily, the counter bore that not only can not wear and tear the cutting and form, can also reduce the resistance when rotating the counter bit, and then the life of this reverse side counter bore multiple-blade counter bit is prolonged.

Description

Reverse-side counter bore multi-blade countersink drill

Technical Field

The utility model relates to a counter bore processing technology field especially relates to a reverse side counter bore multiple-blade countersink drill.

Background

Counterbores are blind bores formed from the surface of an object into the object and are commonly used for mounting bolts or other connecting components. Counter bore on the present object is adding man-hour, the single-blade scraper of using most, the single-blade scraper is when cutting the object, what rely on is that the single-blade of scraper cuts the object, the cutting capacity of the single-blade of scraper is very big, this single-blade easy wearing and tearing that will cause the single-blade scraper, reduce the life of single-blade scraper, when the counter bore of processing object, need frequently change the single-blade scraper, the process velocity of the counter bore of direct influence object, consequently, need a reverse side counter bore multiple-blade countersink to bore and satisfy the demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the counter bore of the object in the prior art is easy to wear and tear when the drill bit used is processed, and providing a reverse side counter bore multi-blade counter bore.

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

designing a reverse side counter bore multiple-cutting-edge countersink drill, comprising:

countersink drill, through-hole, a plurality of cutting edge and a plurality of row's of material groove, the through-hole runs through to be established on the countersink drill, it is a plurality of the cutting edge equidistance is fixed on the countersink drill, it is a plurality of row's of material groove is established respectively adjacent two between the cutting edge on the countersink drill.

Preferably, the countersink and the plurality of cutting edges are of an integrated structure, and the countersink and the plurality of cutting edges are both made of high-speed steel.

Preferably, the tool further comprises an assembling mechanism, and the assembling mechanism is fixed on the countersink.

Preferably, the assembling mechanism comprises a fixing component and a mounting component, the fixing component is fixed on the countersink drill, and the mounting component is arranged on the fixing component.

Preferably, the fixing assembly comprises two fixing blocks and two clamping grooves, the two fixing blocks are fixed to the countersink drill, the two clamping grooves are formed in the two fixing blocks respectively, and the mounting assembly is arranged in the two clamping grooves.

Preferably, the mounting assembly comprises a plug-in block, a knife handle and two clamping blocks, the knife handle and the two clamping blocks are fixed on the plug-in block, the plug-in block is inserted into the through hole, and the two clamping blocks are respectively arranged in the two clamping grooves.

The utility model provides a pair of reverse side counter bore multiple-blade countersink drill, beneficial effect lies in: when the reverse-side counter bore multi-blade countersink drill is used, the countersink drill is fixed on a main shaft of a driving mechanism, the main shaft of the driving mechanism is utilized to drive the countersink drill to rotate, the countersink drill drives a plurality of blades to rotate together, when the object is countersunk, the processing amount of each counterbore is certain, namely the amount of the cut object is fixed, the arrangement of the plurality of blades can make the plurality of blades share the amount of the cutting object, which reduces the abrasion of the blades on the countersink, thereby prolonging the service life of a plurality of blades on the countersink drill and the service life of the reverse-side counter bore multi-blade countersink drill, and a plurality of row of material grooves's setting lets on the countersink drill a plurality of cutting edges when the cutting, and the waste residue of production discharges more easily, and the counter bore that not only can not wear and tear the cutting and form can also reduce the resistance to countersink drill rotation time, and then prolongs the life of this reverse side counter bore multiple-edge countersink drill.

Drawings

FIG. 1 is a front view of a reverse-side countersink multi-blade countersink drill provided by the present invention;

FIG. 2 is a right side view of a reverse-side countersink multi-blade countersink provided by the present invention;

fig. 3 is a left side view of the reverse-side counter bore multi-blade countersink drill provided by the utility model after the installation component is removed;

fig. 4 is a left side view of the mounting assembly of the reverse-side counter bore multi-blade countersink drill provided by the utility model;

fig. 5 is a right side view of the mounting assembly of the reverse-side counter bore multi-blade countersink drill provided by the utility model.

In the figure: the counter bit comprises a counter bit 1, a blade 2, a discharge groove 3, a fixing block 4, a clamping block 5, an insertion block 6, a cutter handle 7, a clamping groove 8 and a through hole 9.

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.

Example 1

Referring to fig. 1-3, a reverse-side counter bore multi-blade countersink drill includes:

counter bit 1, the through-hole 9, a plurality of cutting edge 2 and a plurality of row's of material groove 3, through-hole 9 runs through and establishes on counter bit 1, 2 equidistance of a plurality of cutting edges are fixed on counter bit 1, the quantity of cutting edge 2 is 4 on counter bit 1, 4 a plurality of cutting edge 2 uses through-hole 9 to be the circumference distribution as the centre of a circle on counter bit 1, counter bit 1 and a plurality of cutting edge 2 be the integral structure, counter bit 1 and a plurality of cutting edge 2 of integral structure are when using, intensity is bigger, it is also more stable, counter bit 1 and a plurality of cutting edge 2 are made by the high-speed steel. The countersink 1 and the plurality of blades 2 made of high-speed steel have advantages of high strength, high wear resistance, and high heat resistance, and the plurality of discharge grooves 3 are respectively provided on the countersink 1 between the adjacent two blades 2. The discharge groove 3 is in an arc shape, and when the countersink drill 1 drives the plurality of cutting edges 2 to rotate, the arrangement of the discharge groove 3 in the arc shape enables scrap iron generated during counter bore processing to be more easily discharged through the discharge groove 3 while curling.

The working principle is as follows: when the reverse-side counter bore multi-blade counter bit is used, the counter bit 1 is fixed on a main shaft of a driving mechanism through screws, the main shaft of the driving mechanism drives the counter bit 1 to rotate, the counter bit 1 drives a plurality of blades 2 to rotate together, when the object is countersunk, the processing amount of each counterbore is certain, namely the amount of the cut object is fixed, the arrangement of the plurality of blades 2 can make the plurality of blades 2 share the amount of the cutting object, which reduces the abrasion of the blades 2 on the countersink 1, thereby prolonging the service life of the plurality of blades 2 on the countersink 1 and the service life of the reverse-side counter bore multi-blade countersink, and a plurality of row of material grooves 3 set up, let on the countersink 1 a plurality of cutting edges 2 when the cutting, the waste residue of production discharges more easily, not only can not wear and tear the counter bore that the cutting formed, can also reduce the resistance when rotating the countersink, and then prolongs the life of this reverse side counter bore multiple-edge countersink.

Example 2

In embodiment 1, the countersink 1 is fixed on the spindle of the driving mechanism by screwing, and during installation and disassembly, the screw needs to be screwed, which is time-consuming and labor-consuming, and increases the time for replacing the reverse-side countersink multi-edge countersink, and referring to fig. 1 to 5, as another preferred embodiment of the present invention, the present invention further comprises an assembling mechanism, and the assembling mechanism is fixed on the countersink 1.

The assembling mechanism comprises a fixing assembly and a mounting assembly, the fixing assembly is fixed on the countersink drill 1, and the mounting assembly is arranged on the fixing assembly. The mounting assembly can be detached from the fixing assembly, and replacement of the countersink drill 1 is facilitated.

The fixing assembly comprises two fixing blocks 4 and two clamping grooves 8, the two fixing blocks 4 are fixed on the countersink drill 1, the two clamping grooves 8 are respectively formed in the two fixing blocks 4, the clamping grooves 8 are of arc-shaped structures, one ends of the clamping grooves 8 penetrate through the fixing blocks 4, and the mounting assembly is arranged in the two clamping grooves 8. Clockwise twisting counter bit 1, the installation component can block in two block groove 8 to two block groove 8 can carry out spacingly to counter bit 1, and after counter bit 1 twisted and moved certain angle, counter bit 1 can not be twisted again.

The mounting assembly comprises a plug-in block 6, a knife handle 7 and two clamping blocks 5, the knife handle 7 and the two clamping blocks 5 are fixed on the plug-in block 6, the plug-in block 6 is plugged in the through hole 9, the knife handle 7 is arranged outside the through hole 9, and the two clamping blocks 5 are respectively arranged in the two clamping grooves 8. Insert 6 cartridge of piece in through-hole 9, clockwise twist and move countersink 1, countersink 1 drives two block slot 8 and rotates, at the in-process of twisting moving, lets two block 5 cartridge respectively in two block slot 8, twists motionlessly until countersink 1, anticlockwise twists and moves countersink 1, can let two block 5 break away from two block slot 8, pulling countersink 1, just can let countersink 1 break away from cartridge piece 6, conveniently change countersink 1, a plurality of cutting edge 2 and a plurality of row's of material groove 3.

The working principle is as follows: when using, fix the handle of a knife 7 on actuating mechanism's main shaft, install countersink 1 on cartridge piece 6, the setting of two fixed blocks 4, can not influence the insertion and take out of cartridge piece 6 in through-hole 9, clockwise twist and move countersink 1, countersink 1 drives two block slot 8 and rotates, at the in-process of twisting, let two block 5 cartridge respectively in two block slot 8, until countersink 1 twists motionlessly, anticlockwise twist and move countersink 1, can let two block 5 break away from two block slot 8, pulling countersink 1, just can let countersink 1 break away from cartridge piece 6, conveniently change countersink 1, a plurality of cutting edges 2 and a plurality of row of material groove 3.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a reverse side counter bore multiple-edge countersink, which characterized in that includes:

countersink drill (1), through-hole (9), a plurality of cutting edge (2) and a plurality of row's silo (3), establish is run through in through-hole (9) countersink drill (1) is last, and is a plurality of cutting edge (2) equidistance is fixed countersink drill (1) is last, and is a plurality of row's silo (3) is established adjacent two respectively between cutting edge (2) countersink drill (1) is last.

2. The reverse-side countersink multi-edge countersink drill according to claim 1, wherein said countersink (1) and said plurality of said cutting edges (2) are of an integrated structure, and said countersink (1) and said plurality of said cutting edges (2) are both made of high-speed steel.

3. The reverse-side counter bore multi-edge countersink drill according to claim 1, further comprising an assembling mechanism, wherein the assembling mechanism is fixed on the countersink drill (1).

4. The reverse-side counter bore multi-edge countersink drill according to claim 3, wherein said assembling means comprises a fixing member fixed to said countersink drill (1) and a mounting member provided on said fixing member.

5. The reverse-side counter bore multi-edge countersink drill according to claim 4, wherein said fixing means comprises two fixing blocks (4) and two engaging grooves (8), said two fixing blocks (4) are fixed to said countersink drill (1), said two engaging grooves (8) are respectively provided on said two fixing blocks (4), and said mounting means is provided in said two engaging grooves (8).

6. The reverse-side counter bore multi-edge countersink drill according to claim 5, wherein the mounting assembly comprises a plug-in block (6), a shank (7) and two clamping blocks (5), the shank (7) and the two clamping blocks (5) are fixed on the plug-in block (6), the plug-in block (6) is plugged in the through hole (9), and the two clamping blocks (5) are respectively arranged in the two clamping grooves (8).