CN209986291U

CN209986291U - High-speed cutting drill bit

Info

Publication number: CN209986291U
Application number: CN201920596204.4U
Authority: CN
Inventors: 蔡志华; 邹清松; 陈永强; 余长元
Original assignee: WUHAN TYLLS TOOLS CO Ltd
Current assignee: WUHAN TYLLS TOOLS CO Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-01-24
Anticipated expiration: 2029-04-28

Abstract

The utility model relates to the technical field of drill bits, in particular to a high-speed cutting drill bit, which comprises a fixed head, wherein an external thread is carved at one end of the fixed head, sliding grooves are respectively arranged at two ends in the fixed head, sliding blocks are respectively and slidably arranged in the sliding grooves, a connecting rod is welded between two sliding blocks which are far away from one ends of the sliding grooves, a first clamping groove is arranged below the connecting rod, a first clamping block is clamped in the first clamping groove, a drill bit rod is welded at one end of the first clamping block which is far away from the first clamping groove, a spiral groove is carved on the drill bit rod, a telescopic cylinder is welded at the upper part in the fixed head, a connecting rod is connected at one end of the telescopic cylinder which is far away from the upper part in the fixed head, nozzle heads are welded at two sides above the fixed head, a connecting head is welded at one end of the nozzle head which is far away from, the inner side of the fixed block is adhered with a brush body. The utility model discloses, can improve production efficiency.

Description

High-speed cutting drill bit

Technical Field

The utility model relates to a cutting drill bit technical field especially relates to a high-speed cutting drill bit.

Background

The drill bit is a cutting tool used by a typical drill or drilling machine to cut a circular hole. The basic principle of the drill bit is to rotate the edge cutting of the drill bit, cut a workpiece and remove drill cuttings through a drill slot. Commonly used drill bits mainly include twist drills, flat drills, center drills, deep hole drills, and trepanning drills. Conventionally, drill bits are used on a hand-held drilling machine and a fixed drilling machine, respectively, and when the cutting bit needs to continuously work on the drilling machine, a wear phenomenon may occur, resulting in a low speed and a reduction in production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-speed cutting drill bit.

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

designing a high-speed cutting drill bit, comprising a fixed head, wherein an external thread is carved at one end of the fixed head, sliding grooves are respectively formed at two ends in the fixed head, sliding blocks are respectively and slidably placed in the sliding grooves, a connecting rod is welded between two sliding blocks which are far away from one ends of the sliding grooves, a first clamping groove is formed below the connecting rod, a first clamping block is clamped in the first clamping groove, a drill rod is welded at one end of the first clamping block which is far away from the first clamping groove, a spiral groove is carved on the drill rod, a telescopic cylinder is welded at the upper part in the fixed head, one end of the telescopic cylinder which is far away from the upper part in the fixed head is connected with the connecting rod, nozzle heads are welded at two sides above the fixed head, one ends of the nozzle heads which are far away from the fixed head are both welded with a connecting head, two symmetrical second clamping grooves are formed below the fixed head, a second clamping block is clamped in the, the inner side of the fixed block is adhered with a brush body.

Preferably, one end of the connecting rod, which is far away from the telescopic cylinder, penetrates through the fixing head.

Preferably, the fixing head is of a hollow structure.

Preferably, two of said nozzle heads extend within the fixed head.

The utility model provides a pair of high-speed cutting drill bit, beneficial effect lies in: the head rod can be stuck on the drill rod by chips during working, when the drill rod continuously works, the drill rod stuck with the chips is abraded when the drill rod continuously works, the drilling speed is reduced, therefore, the clamped brush body is arranged below the fixed head, the brush body can touch the drill rod, when a hole is drilled on the drill rod and moves upwards along with a telescopic mechanism arranged on a drilling machine, a telescopic cylinder in the fixed head can drive the drill rod connected on the connecting rod to move upwards into the fixed head, when the drill rod moves upwards into the fixed head, the drill rod can touch the brush body along with the larger chips and is swept down by the brush body, when the brush body needs to be cleaned, the fixed block can be pulled downwards, the second clamping block on the fixed block can move out of the second clamping groove, the nozzle head is arranged on the fixed head, an oil pipe can be sleeved on the connector of the nozzle head, and in the process that the drill rod moves into the fixed head, oil is sprayed out from the nozzle head, oil will spout on the drill bit pole, play the effect of cooling to can wash away the little piece that is stained with on the drill bit pole, when the drill bit pole is prepared to move down drilling, telescopic cylinder will drive in the drill bit pole shifts out the fixed head also, like this when drill bit pole continuous operation secondary drilling, will reduce wearing and tearing greatly, improve the speed of drilling.

Drawings

Fig. 1 is a schematic structural diagram of a high-speed cutting drill according to the present invention;

fig. 2 is a schematic side view of the structure of fig. 1 according to the present invention;

fig. 3 is a schematic structural view of the second fixture block, the fixing block and the brush body of the present invention;

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

In the figure: the brush head comprises a fixed head 1, an external thread 2, a sliding groove 3, a sliding block 4, a connecting rod 5, a first clamping groove 6, a first clamping block 7, a drill rod 8, a spiral groove 9, a telescopic cylinder 10, a nozzle head 11, a connecting head 12, a second clamping groove 13, a second clamping block 14, a fixed block 15 and a brush body 16.

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.

Referring to fig. 1-4, a high-speed cutting drill bit, comprising a fixed head 1, wherein the fixed head 1 is of a hollow structure, an external thread 2 is carved at one end of the fixed head 1, sliding grooves 3 are respectively formed at two ends in the fixed head 1, sliding blocks 4 are respectively placed in the sliding grooves 3 in a sliding manner, a connecting rod 5 is welded between the ends, far away from the sliding grooves 3, of the two sliding blocks 4, a first clamping groove 6 is formed below the connecting rod 5, a first clamping block 7 is clamped in the first clamping groove 6, a drill bit rod 8 is welded at one end, far away from the first clamping groove 6, of the first clamping block 7, a spiral groove 9 is carved on the drill bit rod 8, an external thread 2 is carved on the side wall part at the upper end of the fixed head 1, an internal thread plug matched with the external thread 2 on the fixed head 1 is arranged on a drilling machine, the drill bit can be conveniently inserted and screwed on the drilling machine through the fixed head 1, the accessory function is to form a chip removal channel, the drill bit rod 8 is clamped into the first clamping groove 6 on the connecting rod 5 through the first clamping block 7 and is fixed, therefore, the connecting rod 5 can be replaced conveniently, and when the drill bit rod 8 needs to be replaced, the drill bit rod 8 can be held and pulled downwards with force to enable the first clamping block 7 to move out of the first clamping groove 6.

A telescopic cylinder 10 is welded at the inner upper part of the fixed head 1, one end of the connecting rod 5 far away from the telescopic cylinder 10 penetrates through the fixed head 1, one end of the telescopic cylinder 10 far away from the inner upper part of the fixed head 1 is connected with the connecting rod 5, nozzle heads 11 are welded at two sides above the fixed head 1, the two nozzle heads 11 extend into the fixed head 1, one ends of the nozzle heads 11 far away from the fixed head 1 are both welded with a connector 12, a nozzle head 11 is arranged on the fixed head 1, an oil pipe can be sleeved on a connecting head 12 of the nozzle head 11, when the drill rod 8 moves into the fixed head 1, the oil is sprayed out from the nozzle head 11, the oil is sprayed onto the drill rod 8 and flows out from the gap at the bottom of the fixed head 1 to play a role of cooling, and can wash away the small piece that is stained with on the drill rod 8, when drill rod 8 was ready to move down the drilling, telescopic cylinder 10 will drive drill rod 8 and shift out in fixed head 1 also.

Two symmetrical second clamping grooves 13 are formed below the fixed head 1, a second clamping block 14 is clamped in the second clamping groove 13, a fixed block 15 is welded between the ends, far away from the second clamping groove 13, of the two second clamping blocks 14, a brush body 16 is adhered to the inner side of the fixed block 15, when the drill bit rod 8 works, chips can be adhered to the drill bit rod 8, when the drill bit rod 8 works continuously, the drill bit rod 8 adhered with the chips can be abraded when the drill bit rod 8 works continuously, the drilling speed is reduced, therefore, the clamped brush body 16 is installed below the fixed head 1, the brush body 16 touches the drill bit rod 8, when a hole drilled in the drill bit rod 8 moves upwards along with a telescopic mechanism installed on a drilling machine, a telescopic cylinder 10 in the fixed head 1 drives the drill bit rod 8 connected to the connecting rod 5 to move upwards into the fixed head 1, when the drill bit rod 8 moves upwards into the fixed head 1, the drill bit rod 8 touches the brush body 16 along with larger chips, is swept down by the brush body 16, when the brush body 16 needs to be cleaned, the fixing block 15 can be pulled down, and the second latch 14 on the fixing block 15 moves out of the second latch slot 13.

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 high-speed cutting drill bit comprises a fixed head (1) and is characterized in that external threads (2) are carved at one end of the fixed head (1), sliding grooves (3) are formed in two ends of the fixed head (1), sliding blocks (4) are placed in the sliding grooves (3) in a sliding mode, a connecting rod (5) is welded between the ends, away from the sliding grooves (3), of the two sliding blocks (4), a first clamping groove (6) is formed in the lower portion of the connecting rod (5), a first clamping block (7) is connected in the first clamping groove (6) in a clamping mode, a drill bit rod (8) is welded at one end, away from the first clamping groove (6), of the first clamping block (7), a spiral groove (9) is carved on the drill bit rod (8), a telescopic cylinder (10) is welded at the inner upper portion of the fixed head (1), one end, away from the inner upper portion of the fixed head (1), of the telescopic, fixed head (1) top both sides welding has nozzle head (11), the connector (12) have all been welded to the one end that fixed head (1) were kept away from in nozzle head (11), second draw-in groove (13) of two symmetries are seted up to fixed head (1) below, second draw-in groove (13) inside callipers has second fixture block (14), two the welding has fixed block (15) between the one end that second draw-in groove (13) were kept away from in second fixture block (14), fixed block (15) inboard is stained with the brush body (16).

2. A high-speed cutting drill according to claim 1, characterized in that the end of the connecting rod (5) remote from the telescopic cylinder (10) passes through the fixed head (1).

3. A high-speed cutting drill according to claim 1, characterized in that the holder head (1) is of hollow construction.

4. A high-speed cutting drill according to claim 1, characterized in that two nozzle heads (11) extend inside the fixed head (1).