CN220311862U

CN220311862U - Cemented carbide drill bit with rapid cooling structure

Info

Publication number: CN220311862U
Application number: CN202321799323.2U
Authority: CN
Inventors: 赵长海; 欧阳光龙
Original assignee: Anhui Delu Polymerization Precision Tools Co ltd
Current assignee: Anhui Delu Polymerization Precision Tools Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-01-09
Anticipated expiration: 2033-07-10

Abstract

The utility model relates to the technical field of hard alloy drill bits, in particular to a hard alloy drill bit with a rapid cooling structure, which comprises a cutter handle, a drill bit and an air inlet groove, wherein one end of the cutter handle is provided with the drill bit, the drill bit is provided with the air inlet groove, one side of the air inlet groove is provided with a connecting groove, the inside of the drill bit is provided with a heat dissipation groove, one end of the connecting groove is connected with the air inlet groove in a penetrating way, one end of the connecting groove, which is far away from the air inlet groove, is connected with the heat dissipation groove in a penetrating way, the air inlet groove and the heat dissipation groove are arranged, when an object is required to be drilled by using the drill bit, external air enters the inside of the drill bit through the air inlet groove on the drill bit and then enters the connecting groove, and the inside of the drill bit is dissipated through the connecting groove, so that the temperature of the drill bit can not be rapidly lowered, and the heat dissipation efficiency of the drill bit is improved.

Description

Cemented carbide drill bit with rapid cooling structure

Technical Field

The utility model relates to the technical field of hard alloy drill bits, in particular to a hard alloy drill bit with a rapid cooling structure.

Background

Compared with common hard alloy and steel grain drilling, the hard alloy drill bit has the advantages of high efficiency, good quality, low cost, less steel consumption and the like. The needle-shaped hard alloy drilling and the diamond drilling are matched to implement layered drilling, and the method has important significance for popularizing the small-caliber diamond drilling.

When some objects need to be drilled, a hard alloy drill bit needs to be used for drilling on the objects, but the existing hard alloy drill bit can generate high temperature in the drilling process, the use effect of the drill bit can be reduced due to the high temperature, the existing heat dissipation method for the drill bit is to spray cooling liquid outside the hard alloy drill bit, but the liquid can only reduce the outside of the drill bit and cannot cool the inside of the drill bit, so that the heat dissipation efficiency of the drill bit is reduced.

Disclosure of Invention

In order to solve the problems in the prior art, a cemented carbide drill bit with a rapid cooling structure is provided.

The specific technical scheme is as follows:

the utility model provides a carbide drill bit with quick cooling structure, includes handle of a knife, drill bit and air inlet groove, handle of a knife one end is equipped with the drill bit, be equipped with on the drill bit seted up the air inlet groove, air inlet groove one side is equipped with the linking groove, the inside radiating groove of having seted up of drill bit, linking groove one end is connected through the form of running through the air inlet groove, linking groove is kept away from the radiating groove is connected through the form of running through to the one end of air inlet groove.

Preferably, one end of the drill bit is fixedly connected with one end of the cutter handle, and the heat dissipation groove penetrates through the drill bit and is located at one end of the cutter handle.

Preferably, one end of the cutter handle, which is far away from the drill bit, is provided with a knob, one end of the knob is provided with a thread ring, and one end of the thread ring is connected with the knob through a fastener.

Preferably, one end of the thread ring, which is far away from the knob, is positioned inside the tool handle, and the thread ring is connected with the tool handle through threads.

Preferably, a supporting rod is arranged in the threaded ring, one end of the supporting rod is connected with the knob through a fastener, and one end of the supporting rod, which is far away from the knob, is provided with a sliding block.

Preferably, the sliding block is connected with the supporting rod through a fastener, a rubber ring is arranged outside the sliding block, and the rubber ring is connected with the sliding block in a clamping mode.

Preferably, a sealing groove is formed in the cutter handle, the sliding block is located in the sealing groove, and the sliding block is connected with the sealing groove in a sliding mode through the rubber ring.

The technical scheme has the following advantages or beneficial effects:

1. through having set up air inlet groove and radiating groove, when needs are to using the drill bit to the drilling of article, the drill bit is rotatory, and outside wind enters into the drill bit inside through the air inlet groove on the drill bit, then enters into the linking inslot, enters into the radiating inslot through the linking inslot, dispels the heat to the inside of drill bit, effectually prevented can only dispel the heat to the outside of drill bit, leads to the temperature of drill bit can not descend fast, has improved the radiating efficiency of drill bit.

2. Through having set up slider and rubber pad, when needs clear up the piece in the drill bit louvre, rotate the knob, the knob drives the helicoidal circle and rotates, make the helicoidal circle remove the outside of handle of a knife, then through knob pulling bracing piece, the bracing piece removes and drives the rubber circle through the slider and remove, then promote the bracing piece again, the bracing piece passes through the slider and drives the rubber circle and remove in the seal groove, slider and rubber circle remove and blow in the heat dissipation groove through the seal groove with the air, the piece in the air blowing heat dissipation groove removes outside through the air inlet groove, can accomplish the clearance work to the piece in the louvre, and is simple swift, the practicality of this device has been embodied.

Drawings

Embodiments of the present utility model will now be described more fully with reference to the accompanying drawings. The drawings, however, are for illustration and description only and are not intended as a definition of the limits of the utility model.

FIG. 1 is a schematic diagram of a cemented carbide drill bit with a rapid cooling structure according to the present utility model;

FIG. 2 is a cross-sectional view of a cemented carbide drill bit with a rapid cooling structure according to the present utility model;

FIG. 3 is a cross-sectional view of an air inlet slot and a connecting slot in a carbide drill bit with a rapid cooling structure according to the present utility model;

fig. 4 is a schematic view of a slider and a thread ring in a cemented carbide drill bit with a rapid cooling structure according to the present utility model.

The above reference numerals denote: 1. a knife handle; 2. a drill bit; 3. an air inlet groove; 4. a heat sink; 5. a rubber ring; 6. a connection groove; 7. a slide block; 8. a support rod; 9. a thread ring; 10. a knob; 11. and (5) sealing the groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.

Referring to fig. 1-4, a carbide drill bit with quick cooling structure, including handle of a knife 1, drill bit 2 and air inlet groove 3, handle of a knife 1 one end is equipped with drill bit 2, be equipped with on the drill bit 2 and set up air inlet groove 3, air inlet groove 3 one side is equipped with linking groove 6, the inside heat dissipation groove 4 of having seted up of drill bit 2, linking groove 6 one end is through the form connection air inlet groove 3 that runs through, linking groove 6 is kept away from air inlet groove 3's one end and is passed through form connection heat dissipation groove 4 that runs through, through having set up air inlet groove 3 and heat dissipation groove 4, when needs to using drill bit 2 to carry out drilling, drill bit 2 is rotatory, outside wind enters into drill bit 2 through air inlet groove 3 on the drill bit 2 inside, then enter into linking groove 6, enter into heat dissipation groove 4 through linking groove 6, dispel the inside of drill bit 2, the inside dispel the heat, the outside can only to the outside of drill bit 2 has been prevented, the temperature of leading to the drill bit 2 is difficult to descend, the work effect that has improved drill bit 2, through having set up slider 7 and rubber pad, when needs to clear up in the hole to drill bit 2, rotate knob 10, knob 10 drives the screw 9 and moves 9 and makes the screw thread circle 9 and moves into the slider 7 through moving the screw thread circle 8, then moves the slider 8, and moves the tip 8, and then moves into the tip 8, and moves into tip 8, and then moves into tip 8, and moves into tip 8 through the tip 8, and moves through tip 8.

Further, drill bit 2 one end fixed connection handle of a knife 1 one end, heat dissipation groove 4 run through drill bit 2 and are located the one end of handle of a knife 1, and air inlet groove 3 is circular, and when drill bit 2 rotatory, outside wind can enter into the inside of drill bit 2 along with the rotation of drill bit 2, dispels the heat to drill bit 2.

Further, the one end that handle of a knife 1 kept away from drill bit 2 is equipped with knob 10, and knob 10 one end is equipped with screw thread circle 9, and screw thread circle 9 one end passes through fastener connection knob 10, and screw thread circle 9 is used for fixing knob 10, makes slider 7 and bracing piece 8 can not move outside at will, when needs use drill bit 2 to carry out drilling, need install drill bit 2 on outside machinery.

Further, one end of the thread ring 9 away from the knob 10 is located inside the tool handle 1, the thread ring 9 is connected with the tool handle 1 through threads, and the knob 10 is used for fixing the sliding block 7, and meanwhile normal use of the drill bit 2 is not affected.

Further, the inside bracing piece 8 that is equipped with of screw thread circle 9, the knob 10 is connected through the fastener to bracing piece 8 one end, and the one end that knob 10 was kept away from to bracing piece 8 is equipped with slider 7, and bracing piece 8 is used for the staff to make a round trip to promote slider 7, is convenient for clear up the piece in the heat dissipation groove 4 through slider 7.

Further, the slider 7 passes through fastener joint support pole 8, and the slider 7 outside is equipped with rubber circle 5, and the slider 7 is connected through the form of block to the rubber circle 5, and rubber circle 5 is used for sealing the gap between slider 7 and seal groove 11, prevents that slider 7 from being difficult to blow the air.

Further, the sealing groove 11 is formed in the cutter handle 1, the sliding block 7 is located in the sealing groove 11, the sliding block 7 is connected with the sealing groove 11 in a sliding mode through the rubber ring 5, the sliding block 7 is matched with the inner wall of the sealing groove 11 through the rubber ring 5, the sliding block 7 can push air in the sealing groove 11 to blow into the heat dissipation groove 4 through the rubber ring 5, and chips in the heat dissipation groove 4 are moved to the outside.

Working principle: when the device is used, firstly, the drill bit 2 rotates, external wind enters the drill bit 2 through the air inlet groove 3 on the drill bit 2, then enters the connecting groove 6, enters the heat dissipation groove 4 through the connecting groove 6, heat dissipation is carried out on the inside of the drill bit 2, the outside of the drill bit 2 can only be effectively prevented from being dissipated, then the drill bit 2 is taken down, the knob 10 is rotated, the knob 10 drives the thread ring 9 to rotate, the thread ring 9 moves to the outside of the cutter handle 1, then the support rod 8 is pulled by the knob 10, the support rod 8 moves to drive the rubber ring 5 to move through the sliding block 7, then the support rod 8 is pushed, the support rod 8 drives the rubber ring 5 to move in the sealing groove 11 through the sliding block 7, the sliding block 7 and the rubber ring 5 move to blow air into the heat dissipation groove 4 through the sealing groove 11, and scraps in the air blowing heat dissipation groove 4 move outside through the air inlet groove 3, and the work can be completed.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims

1. A carbide drill bit with rapid cooling structure, characterized in that: including handle of a knife (1), drill bit (2) and air inlet groove (3), handle of a knife (1) one end is equipped with drill bit (2), be equipped with on drill bit (2) set up air inlet groove (3), air inlet groove (3) one side is equipped with link up groove (6), heat dissipation groove (4) have been seted up to drill bit (2) inside, link up groove (6) one end and connect through the form that runs through air inlet groove (3), link up groove (6) are kept away from air inlet groove (3) one end is through the form connection heat dissipation groove (4) that runs through.

2. A carbide drill bit with rapid cooling structure according to claim 1, wherein: one end of the drill bit (2) is fixedly connected with one end of the cutter handle (1), and the heat dissipation groove (4) penetrates through the drill bit (2) and is positioned at one end of the cutter handle (1).

3. A carbide drill bit with rapid cooling structure according to claim 1, wherein: one end of the cutter handle (1) far away from the drill bit (2) is provided with a knob (10), one end of the knob (10) is provided with a thread ring (9), and one end of the thread ring (9) is connected with the knob (10) through a fastener.

4. A carbide drill bit according to claim 3 having a rapid cooling structure, characterized in that: one end of the thread ring (9) far away from the knob (10) is positioned inside the tool handle (1), and the thread ring (9) is connected with the tool handle (1) through threads.

5. A carbide drill bit according to claim 3 having a rapid cooling structure, characterized in that: the screw thread circle (9) is inside to be equipped with bracing piece (8), bracing piece (8) one end is passed through the fastener and is connected knob (10), bracing piece (8) are kept away from one end of knob (10) is equipped with slider (7).

6. A carbide drill bit with rapid cooling structure according to claim 5, wherein: the sliding block (7) is connected with the supporting rod (8) through a fastener, a rubber ring (5) is arranged outside the sliding block (7), and the rubber ring (5) is connected with the sliding block (7) through a clamping mode.

7. The carbide drill bit with rapid cooling structure of claim 6, wherein: the utility model discloses a knife handle, including handle of a knife (1), seal groove (11) have been seted up to handle of a knife (1), slider (7) are located inside seal groove (11), slider (7) are through rubber circle (5) are connected with sliding mode seal groove (11).