CN214023652U

CN214023652U - Drill bit with buffer structure

Info

Publication number: CN214023652U
Application number: CN202022937514.3U
Authority: CN
Inventors: 朱俊庆
Original assignee: Zhenjiang Zhengda Tools Co ltd
Current assignee: Zhenjiang Zhengda Tools Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-24
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a drill bit with buffer structure, including fixed block and drill bit body, the slot has been seted up at fixed block left end middle part, and slot left side inner wall has inserted the drill bit body, slot right side inner wall is provided with the spring, the welding of spring one end is at slot right-hand member inner wall, the spring other end laminating drill bit body right-hand member. The utility model discloses when using, the reaction force that the drill bit body received can make the promotion drill bit body remove, and the drill bit body cushions through the spring, improves the practicality of device, when needs dismantle the change drill bit body, through rotating the threaded rod, takes in the second stopper completely the spacing inslot and makes the second stopper no longer block first stopper, pulls the drill bit body again and separates drill bit body and fixed block, improves the convenience of device.

Description

Drill bit with buffer structure

Technical Field

The utility model relates to a drill bit technical field specifically is a drill bit with buffer structure.

Background

The drill bit is a tool for drilling or reaming a workpiece, the drill bit is a twist drill, a reamer, a deep hole drill, a chamfering drill and the like, the common use of the drill bit in life is very wide, the conventional drill bit can basically meet daily use requirements, and certain defects are still needed to be improved.

In the process of using, the conventional drill bit is basically free of a buffer structure, and when a workpiece is drilled, since the drill bit is in a state of rotating at a high speed, a reaction force generated after the drill bit contacts the workpiece may damage the drill bit, so that the service life of the drill bit is reduced, and therefore, a drill bit with a buffer structure is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drill bit with buffer structure to solve the problem that its reaction force may lead to the drill bit to damage when using of the current drill bit that proposes among the above-mentioned background art basically no buffer structure drill bit.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drill bit with buffer structure, includes fixed block and drill bit body, the slot has been seted up at fixed block left end middle part, and has inserted the drill bit body to slot left side inner wall, slot right side inner wall is provided with the spring, the welding of spring one end is at slot right-hand member inner wall, the laminating drill bit body right-hand member of the spring other end, the fixed block passes through slide mechanism and this body coupling of drill bit.

Preferably, fixed block surface both sides all set up threaded hole, and threaded hole inside all inserts threaded rod, two sets of the spacing inslot wall is all laminated to the screw hole inboard, and the inboard spout inner wall that laminates of spacing inslot, two sets of the second stopper has all been inserted to the spacing inslot portion, and the second stopper all is connected with the threaded rod through slewing mechanism.

Preferably, slide mechanism includes spout and first stopper, the spout has all been seted up to fixed block left end both sides, and the inboard slot inner wall that all laminates of spout, two sets of the inside first stopper that has all inserted of spout, and the inner welding that all connects of first stopper on the drill bit body.

Preferably, slewing mechanism is including rotating groove and turning block, the rotation groove has all been seted up at second stopper outer end middle part, and rotates the inslot wall and all embedded turning block, two sets of turning block outer end middle part all welds on the threaded rod.

Preferably, the size of the first limiting block is matched with the size of the inner wall of the sliding groove.

Preferably, the rotating block is in a round cake shape, and the diameter of the round cake-shaped surface of the rotating block is matched with the diameter of the inner wall of the rotating groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this drill bit with buffer structure is provided with slot, spring, spout and first stopper, and when using, the reaction force that the drill bit body received can make the promotion drill bit body remove, and the drill bit body cushions through the spring, and current drill bit is basically not buffer structure, and the reaction force that the drill bit received when using can lead to the drill bit to damage, and this device can cushion the drill bit, avoids the drill bit atress and damages.

2. This drill bit with buffer structure is provided with screw hole, threaded rod, spacing groove, second stopper, rotation groove and turning block, through rotating the threaded rod, takes in the second stopper spacing inslot completely and makes the second stopper no longer block first stopper, pulls the drill bit body again and separates drill bit body and fixed block, uses the back for a long time, and the drill bit can produce the wearing and tearing of certain degree, leads to drilling ability decline to need to change, and the drill bit of being convenient for of this device is dismantled and is changed.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic perspective view of the drill body of the present invention;

fig. 4 is an enlarged schematic structural diagram of a point a in fig. 1 according to the present invention.

In the figure: 1. a fixed block; 2. a drill bit body; 3. a slot; 4. a spring; 5. a chute; 6. a first stopper; 7. a threaded hole; 8. a threaded rod; 9. a limiting groove; 10. a second limiting block; 11. a rotating groove; 12. and (6) rotating the block.

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.

Referring to fig. 1-4, a drill bit with a buffer structure comprises a fixed block 1 and a drill bit body 2, wherein a slot 3 is formed in the middle of the left end of the fixed block 1, the drill bit body 2 is inserted into the left inner wall of the slot 3, a spring 4 is arranged on the right inner wall of the slot 3, one end of the spring 4 is welded to the right inner wall of the slot 3, the other end of the spring 4 is attached to the right end of the drill bit body 2, the fixed block 1 is connected with the drill bit body 2 through a sliding mechanism, the sliding mechanism comprises a sliding chute 5 and a first limiting block 6, sliding chutes 5 are formed in both sides of the left end of the fixed block 1, the inner sides of the sliding chutes 5 are attached to the inner walls of the slot 3, the first limiting blocks 6 are inserted into the two groups of sliding chutes 5, the size of the first limiting blocks 6 is matched with the size of the inner walls of the sliding chutes 5, so that the first limiting blocks 6 can be inserted into the inner walls of the sliding chutes 5 to achieve the purpose that the first limiting blocks 6 slide in the sliding chutes 5, and the inner ends of the first limiting blocks 6 are welded on the drill bit body 2.

The two sides of the surface of the fixed block 1 are both provided with threaded holes 7, threaded rods 8 are inserted into the threaded holes 7, external threads arranged on the surfaces of the threaded rods 8 are matched with internal threads arranged on the inner walls of the threaded holes 7, so that the threaded rods 8 are in threaded connection with the threaded holes 7, the purpose of driving the second limit blocks 10 to slide in the limit grooves 9 when the threaded rods 8 are rotated is achieved, the inner sides of the two groups of threaded holes 7 are attached to the inner walls of the limit grooves 9, the inner sides of the limit grooves 9 are attached to the inner walls of the sliding grooves 5, the second limit blocks 10 are inserted into the two groups of limit grooves 9, the second limit blocks 10 are connected with the threaded rods 8 through rotating mechanisms, each rotating mechanism comprises a rotating groove 11 and a rotating block 12, the middle parts of the outer ends of the second limit blocks 10 are both provided with rotating grooves 11, rotating blocks 12 are embedded in the inner walls of the rotating grooves 11, the rotating blocks 12 are arranged in a round cake shape, and the round cake-shaped surface diameter arranged on the rotating blocks 12 is matched with the diameter of the inner walls of the rotating grooves 11, the turning blocks 12 can be embedded in the inner wall of the turning groove 11, the purpose that the turning blocks 12 rotate in the turning groove 11 is achieved, and the middle parts of the outer ends of the two groups of turning blocks 12 are all welded on the threaded rod 8.

The working principle is as follows: when the drill bit body 2 rotating at a high speed contacts the workpiece, a reaction force is generated between the drill bit body 2 and the workpiece and pushes the drill bit body 2 to move, and when the drill bit body 2 moves, the drill bit body 2 drives the first limiting block 6 to slide in the sliding groove 5 and push the spring 4 to contract, so that the drill bit body 2 is buffered through the spring 4, and the purpose of protecting the drill bit body 2 is achieved.

When needing to dismantle and change drill bit body 2, through rotating threaded rod 8, make threaded rod 8 rotate in threaded hole 7 inside, threaded rod 8 drives turning block 12 and rotates in rotating groove 11 is inside, because threaded rod 8 and threaded hole 7 screw thread cooperate, make threaded rod 8 remove in threaded hole 7 inside, 8 pulling turning block 12 of threaded rod move, turning block 12 pulling second stopper 10 moves, take in second stopper 10 inside spacing groove 9 completely, when second stopper 10 is no longer rotating first stopper 6, pulling drill bit body 2 separates drill bit body 2 and fixed block 1, reach the purpose of being convenient for dismantle and change drill bit body 2.

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.

Claims

1. The utility model provides a drill bit with buffer structure, includes fixed block (1) and drill bit body (2), its characterized in that: slot (3) have been seted up at fixed block (1) left end middle part, and slot (3) left side inner wall has inserted drill bit body (2), slot (3) right side inner wall is provided with spring (4), spring (4) one end welding is at slot (3) right-hand member inner wall, spring (4) other end laminating drill bit body (2) right-hand member, fixed block (1) is connected with drill bit body (2) through slide mechanism.

2. A drill bit having a buffer structure according to claim 1, wherein: fixed block (1) surface both sides all offered threaded hole (7), and threaded hole (7) inside threaded rod (8) have all been inserted, and are two sets of spacing groove (9) inner wall all laminates in threaded hole (7) inboard, and spacing groove (9) inboard laminating spout (5) inner wall, and is two sets of second stopper (10) have all been inserted in spacing groove (9) inside, and second stopper (10) all are connected with threaded rod (8) through slewing mechanism.

3. A drill bit having a buffer structure according to claim 1, wherein: slide mechanism includes spout (5) and first stopper (6), spout (5) have all been seted up to fixed block (1) left end both sides, and spout (5) inboard slot (3) inner wall of all laminating, and is two sets of spout (5) inside has all inserted first stopper (6), and first stopper (6) the inner welding that all connects on drill bit body (2).

4. A drill bit having a buffer structure according to claim 2, wherein: slewing mechanism is including rotating groove (11) and turning block (12), second stopper (10) outer end middle part has all been seted up and has been rotated groove (11), and rotates groove (11) inner wall and all has embedded turning block (12), and is two sets of turning block (12) outer end middle part all welds on threaded rod (8).

5. A drill bit having a buffer structure according to claim 3, wherein: the size of the first limiting block (6) is matched with the size of the inner wall of the sliding groove (5).

6. The drill bit with a buffer structure as set forth in claim 4, wherein: the rotating block (12) is in a round cake shape, and the diameter of the round cake-shaped surface of the rotating block (12) is matched with the diameter of the inner wall of the rotating groove (11).