CN216680382U

CN216680382U - Cutting bit with multi-stage cutting function

Info

Publication number: CN216680382U
Application number: CN202123247247.8U
Authority: CN
Inventors: 袁渊
Original assignee: CHANGZHOU CITY XINTELI TOOLS CO LTD
Current assignee: Shanghai Yugong Tools Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-06-07
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a cutting drill bit with multi-stage cutting function, which comprises a rotary cutting knife main body and also comprises: the rotary cutting knife comprises a rotary shaft, a rotary cone is fixedly connected to the bottom of the rotary shaft, a liquid inlet hole is formed in the top of the rotary cone and the top of the liquid inlet hole, a liquid outlet tank is formed in the outer side of the liquid inlet hole, a cutting edge is fixedly connected to the outer side of the rotary shaft and the outer side of the rotary cone, a cooling liquid conveying mechanism is fixedly connected to the top of the rotary shaft and comprises a liquid storage tank, a fixing bearing is fixedly sleeved on the top of the liquid storage tank and the bottom of the liquid storage tank, a first fixing column is fixedly sleeved on the inner side of the fixing bearing on the bottom of the liquid storage tank, the cooling liquid is favorably distributed to the inner side of the rotary shaft and the rotary cone and the outer side of the rotary shaft and the outer side of the rotary cone, the drill bit body is protected from deformation caused by heat through the inner side cooling liquid, and the drill bit cutting edge is protected from deformation caused by heat through the outer side cooling liquid.

Description

Cutting bit with multi-stage cutting function

Technical Field

The utility model relates to the technical field of machining tools, in particular to a cutting drill bit with multi-stage cutting function.

Background

The cutting drill bit is suitable for a cutting tool for machining holes in metal machining, and the cutting drill bit is made of alloy with high hardness and can be used for machining metals such as iron and aluminum.

The defects of the prior art are as follows:

firstly, when the existing cutting drill bit works, a large amount of heat can be generated due to friction, and because the cooling liquid cannot permeate into the place where the drill bit enters due to the high-speed rotation of the drill bit during cutting, the cutting edge of the drill bit can be curled, and the normal use of the drill bit is not ensured.

Secondly, the existing cutting drill bit can generate strong centrifugal force when working, so that the originally fixed and restrained drill bit can be further clamped, the original drill bit cannot be detached when the drill bits with different sizes are replaced by workers, and the quick replacement of the drill bit by the workers is not facilitated.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned drawbacks of the prior art, the present invention provides a cutting bit having a multi-stage cutting function, which solves the above-mentioned problems of the background art.

The utility model provides the following technical scheme: cutting bit with multistage cutting function, including the shear knife main part, still include:

cooling liquid conveying mechanism: the top of the rotary cutting knife main body is fixedly connected with a cooling liquid conveying mechanism;

fixing the assembly: the top of the cooling liquid conveying mechanism is fixedly connected with a fixing assembly;

the rotary cutting knife comprises a rotary cutting knife body and is characterized in that the rotary cutting knife body comprises a rotary shaft, a rotary cone is fixedly connected to the bottom of the rotary shaft, a liquid inlet hole is formed in the top of the rotary cone and the top of the liquid inlet hole, a liquid outlet groove is formed in the outer side of the liquid inlet hole, and a cutting edge is fixedly connected to the outer side of the rotary shaft and the outer side of the rotary cone.

Further, the top fixedly connected with coolant liquid conveying mechanism of rotation axis, coolant liquid conveying mechanism includes the reservoir, the top and the bottom of reservoir have all fixedly cup jointed fixing bearing, the fixed cover in the inboard of reservoir bottom fixing bearing has cup jointed first fixed column, the fixed second fixed column that has cup jointed in inboard of reservoir top fixing bearing, the fixed cover in top of reservoir has cup jointed ninety degree feed liquor pipe, when carrying out the smear metal work of punching, through ninety degree feed liquor pipe to the inside main liquid washing liquid of reservoir, then make the coolant liquid enter into the feed liquor hole through the outage that first fixed column bottom was seted up, then carry the rotation axis wholly through the feed liquor hole of seting up of rotation axis and rotation cone top with the coolant liquid, then fill the rotation axis and the rotation cone outside with the coolant liquid through the fluid-discharge tank in the rotation axis outside.

Further, the top fixedly connected with fixed subassembly of second fixed column, fixed subassembly includes the third fixed column, the outside fixedly connected with stopper of third fixed column, the top fixedly connected with screw shaft of third fixed column is fixed through the anti-screw thread in the screw shaft outside and drill bit fixed establishment, then coordinates through the outside of third fixed column and stopper and drill bit fixed establishment to it can not take place slight rotation when rotating to restrict the screw shaft.

Furthermore, the bottom of first fixed column has seted up the outage, the outage at first fixed column top is the same with the feed liquor hole diameter of seting up at rotation axis, rotatory awl top, guarantees that the coolant liquid can circulate the inboard of rotation axis and rotatory awl and cool off rotation axis and rotatory awl.

Furthermore, the height of the second fixing column is five centimeters larger than the distance from the top of the liquid inlet pipe with ninety degrees to the top of the liquid storage tank, so that the drill is prevented from colliding with the liquid inlet pipe with ninety degrees during working and rotating.

Furthermore, the screw thread outside the threaded shaft is the reverse thread and mutually cooperates with the drill bit fixing device, and the drill bit is prevented from falling off during working.

The utility model has the technical effects and advantages that:

1. when the drilling and cutting work is carried out, the main liquid cleaning liquid is supplied to the interior of the liquid storage tank through the ninety-degree liquid inlet pipe, then the cooling liquid enters the liquid inlet hole through the liquid outlet hole formed in the bottom of the first fixed column, then the cooling liquid is conveyed to the whole rotating shaft through the liquid inlet holes formed in the tops of the rotating shaft and the rotating cone, then the cooling liquid is fully distributed on the outer sides of the rotating shaft and the rotating cone through the liquid outlet groove in the outer side of the rotating shaft, the cooling liquid is favorably distributed on the inner sides of the rotating shaft and the rotating cone and the outer sides of the rotating shaft and the rotating cone, the drill bit body is protected from deformation caused by heat through the cooling liquid in the inner side, and the cutting edge of the drill bit is protected from deformation caused by heat through the cooling liquid in the outer side.

2. According to the drill bit fixing mechanism, the reverse threads on the outer side of the threaded shaft are fixed with the drill bit fixing mechanism, and then the third fixing column is matched with the outer side of the limiting block and the drill bit fixing mechanism, so that the threaded shaft is limited not to slightly rotate during rotation, the drill bit fixing mechanism is favorable for ensuring that the drill bit cannot rotate more tightly due to the centrifugal force of rotation when the drill bit works, and subsequent workers can conveniently replace drill bits of other models.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of a main body of the rotary cutter of the present invention.

Fig. 3 is a schematic structural diagram of a cooling liquid conveying mechanism of the present invention.

Fig. 4 is a schematic structural diagram of the fixing assembly of the present invention.

The reference signs are: 1. a rotary cutter main body; 101. a rotating shaft; 102. rotating the cone; 103. a liquid inlet hole; 104. a cutting edge; 105. a liquid outlet groove; 2. a coolant conveying mechanism; 201. a liquid storage tank; 202. A first fixed column; 203. a ninety degree liquid inlet pipe; 204. fixing the bearing; 205. a second fixed column; 3. A fixing assembly; 301. a third fixing column; 302. a limiting block; 303. a threaded shaft.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the drawings of the present invention, and the forms of the respective structures described in the following embodiments are merely examples, and the cutting bit having a multi-stage cutting function according to the present invention is not limited to the respective structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

Referring to fig. 1 to 2, the present invention provides a cutting bit having a multi-stage cutting function, including a shear cutter main body 1, further including:

coolant conveying mechanism 2: the top of the rotary cutting knife main body 1 is fixedly connected with a cooling liquid conveying mechanism 2;

the fixing component 3: the top of the cooling liquid conveying mechanism 2 is fixedly connected with a fixing component 3;

the rotary cutting knife body 1 comprises a rotating shaft 101, a rotary cone 102 is fixedly connected to the bottom of the rotating shaft 101, a liquid inlet hole 103 is formed in the tops of the rotary cone 102 and the liquid inlet hole 103, a liquid outlet groove 105 is formed in the outer side of the liquid inlet hole 103, and a cutting edge 104 is fixedly connected to the outer sides of the rotating shaft 101 and the rotary cone 102.

Referring to fig. 3, a cooling liquid conveying mechanism 2 is fixedly connected to the top of a rotating shaft 101, the cooling liquid conveying mechanism 2 includes a liquid storage tank 201, a fixed bearing 204 is fixedly sleeved on the top and the bottom of the liquid storage tank 201, a first fixed column 202 is fixedly sleeved on the inner side of the fixed bearing 204 at the bottom of the liquid storage tank 201, a second fixed column 205 is fixedly sleeved on the inner side of the fixed bearing 204 at the top of the liquid storage tank 201, a ninety-degree liquid inlet pipe 203 is fixedly sleeved on the top of the liquid storage tank 201, when the punching and cutting work is performed, main cleaning liquid is supplied to the inside of the liquid storage tank 201 through the ninety-degree liquid inlet pipe 203, then the cooling liquid enters a liquid inlet hole 103 through a liquid outlet hole formed at the bottom of the first fixed column 202, then the cooling liquid is conveyed to the rotating shaft 101 through the liquid inlet hole 103 formed at the top of the rotating shaft 101 and the rotating cone 102, and then the cooling liquid is distributed on the outer sides of the rotating shaft 101 and the rotating cone 102 through a liquid outlet groove on the outer side of the rotating shaft 101, the coolant is favorably distributed to the inner sides of the rotating shaft 101 and the rotating cone 102 and the outer sides of the rotating shaft 101 and the rotating cone 102, the drill bit body is protected from deformation caused by heat through the coolant on the inner side, and the drill bit blade is protected from deformation caused by heat through the coolant on the outer side.

Referring to fig. 4, top fixedly connected with fixed subassembly 3 of second fixed column 205, fixed subassembly 3 includes third fixed column 301, the outside fixedly connected with stopper 302 of third fixed column 301, the top fixedly connected with screw shaft 303 of third fixed column 301, the back thread through the screw shaft 303 outside is fixed with drill bit fixed establishment, then cooperate with drill bit fixed establishment through the outside of third fixed column 301 with stopper 302, thereby it can not take place slight rotation when rotating to inject screw shaft 303, be favorable to guaranteeing that the drill bit can not lead to the rotatory more fastening of drill bit because of rotatory centrifugal force when carrying out the during operation, be convenient for follow-up workman to change other model drill bits.

Referring to fig. 3, the liquid discharge hole has been seted up to the bottom of first fixed column 202, and the liquid discharge hole at first fixed column 202 top is the same with the feed liquor hole 103 diameter of seting up at rotation axis 101, rotatory cone 102 top, guarantees that the coolant liquid can circulate the inboard of rotation axis 101 and rotatory cone 102 and cool off rotation axis 101 and rotatory cone 102, cools off the drill bit through inside and outside cooling and has guaranteed that the drill bit can not damage because of the heat.

Referring to fig. 3, the height of the second fixing column 205 is five centimeters larger than the distance from the top of the ninety-degree liquid inlet pipe 203 to the top of the liquid storage tank 201, so that the drill is prevented from colliding with the ninety-degree liquid inlet pipe 203 during working and rotating, and the cooling liquid is prevented from leaking.

Referring to fig. 4, the thread on the outer side of the threaded shaft 303 is a reverse thread and is matched with the drill bit fixing device, so that the drill bit is prevented from falling off during working and the safety of an operator is prevented from being affected.

The working principle of the first embodiment of the utility model is as follows: during the drilling and cutting operation, the cleaning liquid is mainly supplied to the interior of the liquid storage tank 201 through the ninety-degree liquid inlet pipe 203, then the cooling liquid enters the liquid inlet hole 103 through the liquid outlet hole formed in the bottom of the first fixing column 202, then the cooling liquid is conveyed to the whole rotating shaft 101 through the liquid inlet hole 103 formed in the top of the rotating shaft 101 and the top of the rotating cone 102, then the cooling liquid is fully distributed on the outer sides of the rotating shaft 101 and the rotating cone 102 through the liquid outlet groove formed in the outer side of the rotating shaft 101, the cooling liquid is favorably distributed to the inner sides of the rotating shaft 101 and the rotating cone 102 and the outer sides of the rotating shaft 101 and the rotating cone 102, the drill bit main body is protected from heat deformation by the inner side cooling liquid, the drill bit cutting edge is protected from heat deformation by the outer side cooling liquid, the drill bit cutting edge is fixed with the drill bit fixing mechanism through the reverse thread formed in the outer side of the threaded shaft 303, and the drill bit fixing mechanism is matched with the outer side of the limiting block 302 through the third fixing column 301, therefore, the threaded shaft 303 is limited not to slightly rotate when rotating, so that the drill bit is ensured not to be more fastened due to the rotation of the drill bit caused by the rotating centrifugal force when the drill bit works, and the drill bits of other models can be conveniently replaced by subsequent workers.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. Cutting bit with multistage cutting function, including shear knife main part (1), its characterized in that still includes:

cooling liquid conveying mechanism (2): the top of the rotary cutting knife main body (1) is fixedly connected with a cooling liquid conveying mechanism (2);

fixing assembly (3): the top of the cooling liquid conveying mechanism (2) is fixedly connected with a fixing component (3);

the rotary cutting knife comprises a rotary cutting knife body (1) and is characterized in that the rotary cutting knife body (1) comprises a rotary shaft (101), a rotary cone (102) is fixedly connected to the bottom of the rotary shaft (101), a liquid inlet hole (103) is formed in the tops of the rotary cone (102) and the liquid inlet hole (103), a liquid outlet groove (105) is formed in the outer side of the liquid inlet hole (103), and a cutting edge (104) is fixedly connected to the outer sides of the rotary shaft (101) and the rotary cone (102).

2. The cutting bit with multi-stage cutting function according to claim 1, wherein: the top fixedly connected with coolant liquid conveying mechanism (2) of rotation axis (101), coolant liquid conveying mechanism (2) include reservoir (201), fixed bearing (204) have all been fixed to cup joint with the bottom in the top of reservoir (201), first fixed column (202) have been cup jointed to the inboard fixed of reservoir (201) bottom fixed bearing (204), second fixed column (205) have been cup jointed to the inboard fixed of reservoir (201) top fixed bearing (204), ninety degree feed liquor pipe (203) have been cup jointed to the top of reservoir (201) is fixed.

3. The cutting bit with multi-stage cutting function according to claim 2, wherein: the top fixedly connected with fixed subassembly (3) of second fixed column (205), fixed subassembly (3) include third fixed column (301), the outside fixedly connected with stopper (302) of third fixed column (301), the top fixedly connected with screw shaft (303) of third fixed column (301).

4. The cutting bit having a multi-stage cutting function according to claim 2, wherein: the bottom of the first fixed column (202) is provided with a liquid discharge hole, and the diameter of the liquid discharge hole at the top of the first fixed column (202) is the same as that of the liquid inlet hole (103) formed at the top of the rotating shaft (101) and the rotating cone (102).

5. The cutting bit with multi-stage cutting function according to claim 2, wherein: the height of the second fixing column (205) is more than five centimeters from the top of the ninety-degree liquid inlet pipe (203) to the top of the liquid storage tank (201).

6. The cutting bit with multi-stage cutting function according to claim 3, wherein: the thread on the outer side of the threaded shaft (303) is a reverse thread and is matched with the drill bit fixing device.