CN216151185U

CN216151185U - High-hardness cutting drill bit structure

Info

Publication number: CN216151185U
Application number: CN202121874745.2U
Authority: CN
Inventors: 黄小龙
Original assignee: Zhenjiang Kaiyue Tools Co ltd
Current assignee: Zhenjiang Kaiyue Tools Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-04-01
Anticipated expiration: 2031-08-11

Abstract

The utility model relates to the technical field of cutting bits and discloses a high-hardness cutting bit structure which comprises a fixed seat, wherein a limiting clamping groove is formed in the fixed seat, a movable groove is formed in the middle of the bottom end of the fixed seat, the limiting clamping groove is communicated with the movable groove, a limiting clamping block is movably mounted in the limiting clamping groove, and the cross sections of the limiting clamping block and the limiting clamping groove are regular hexagons. According to the utility model, the limiting clamping block is inserted into the limiting clamping groove, so that the drill bit body can be connected with the fixing seat, the relative rotation between the drill bit body and the fixing seat can be avoided, the limiting block can be driven to be inserted below the limiting clamping block through the pushing action of the reset spring on the limiting baffle, the limiting clamping block is limited in position, the limiting clamping block is prevented from being separated from the limiting clamping groove, and the installation stability of the drill bit body can be maintained.

Description

High-hardness cutting drill bit structure

Technical Field

The utility model relates to the technical field of cutting bits, in particular to a high-hardness cutting bit structure.

Background

The cutting drill bit is a tool used for cutting a workpiece on a machine tool, generally, the cutting drill bit has high hardness, can cut most of metals, has a single structure, is inconvenient to install, causes certain influence on the efficiency of cutting the workpiece, is inconvenient to replace, and solves the problem by providing a high-hardness cutting drill bit structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, such as: the hardness of cutting bit is higher usually, can satisfy the cutting to most metal, and current cutting bit structure is comparatively single to it is comparatively inconvenient during the installation of drill bit, lead to causing certain influence to the efficiency of cutting the work piece, and comparatively inconvenient when changing cutting bit, and a high rigidity cutting bit structure that proposes.

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

the utility model provides a high rigidity cutting bit structure, includes the fixing base, spacing draw-in groove has been seted up to the inside of fixing base, the movable groove has been seted up at the middle part of fixing base bottom, spacing draw-in groove communicates with the movable groove mutually, the inside movable mounting of spacing draw-in groove has spacing fixture block, spacing fixture block is regular hexagon with the cross sectional shape of spacing draw-in groove, the connecting rod is installed to the bottom of spacing fixture block, the drill bit body is installed to the bottom of connecting rod, the top activity of drill bit body alternates in the inside of movable groove, stop gear is all installed to the both sides of fixing base, stop gear's one side alternates respectively in the inside of movable groove, fixed establishment is installed on the top of fixing base.

Preferably, stop gear is including seting up the spacing groove in the fixing base both sides, the activity hole has all been seted up to the inside both sides of fixing base, the inside horizontal installation of spacing groove has the regulation pole, limit baffle is installed to one side of adjusting the pole, the outside cover of adjusting the pole is equipped with reset spring, and the stopper is all installed to the relative one side of two limit baffle, the stopper alternates respectively in the inside of activity hole, and two stoppers are located the both sides of spacing fixture block bottom respectively.

Preferably, the fixing mechanism comprises a fixing frame installed at the top end of the fixing base, a positioning clamping groove is formed in the inner bottom wall of the fixing frame, and fixing holes distributed in an annular array are formed in the outer side of the fixing frame.

Preferably, the top of the outer side of the fixed seat is provided with a limiting ring.

Preferably, the sliding grooves are formed in the two sides of the top end of the drill bit body, the sliding blocks are mounted at the bottoms of the left inner wall and the right inner wall of the movable groove, and the sliding blocks are movably inserted into the sliding grooves respectively.

Preferably, the bottom of drill bit body both sides has all seted up the back knife face, and the contained angle of two back knife faces is 55 degrees.

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

(1) according to the utility model, the limiting clamping block is inserted into the limiting clamping groove, so that the drill bit body can be connected with the fixing seat, the relative rotation between the drill bit body and the fixing seat can be avoided, the limiting block can be driven to be inserted below the limiting clamping block through the pushing action of the reset spring on the limiting baffle, the limiting clamping block is limited in position, the limiting clamping block is prevented from being separated from the limiting clamping groove, and the installation stability of the drill bit body can be maintained.

(2) According to the utility model, the drill bit of the whole device can be installed on the cutting equipment under the action of the fixing frame, the bolt is inserted into the fixing hole, the whole device can be installed, the whole device is kept stable, the positioning effect can be achieved under the action of the positioning clamping groove, the installation process is more convenient, the slider is inserted into the sliding groove, the stability of the drill bit body during installation can be kept, and the drill bit body is convenient to replace.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 3 is a schematic structural diagram according to a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention.

In the figure: 1. a fixed seat; 2. a limiting clamping block; 3. a limiting mechanism; 31. a limiting groove; 32. adjusting a rod; 33. a return spring; 34. a limit baffle; 35. a movable hole; 36. a limiting block; 4. a movable groove; 5. a drill bit body; 6. a flank face; 7. a fixing mechanism; 71. a fixed mount; 72. positioning the clamping groove; 73. a fixing hole; 8. a limiting clamping groove; 9. a limiting ring; 10. a connecting rod; 11. a slider; 12. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, a high hardness cutting drill bit structure, comprising a fixed seat 1, a limit slot 8 is arranged inside the fixed seat 1, an active slot 4 is arranged at the middle part of the bottom end of the fixed seat 1, the limit slot 8 is communicated with the active slot 4, a limit fixture block 2 is movably arranged inside the limit slot 8, the cross-sectional shapes of the limit fixture block 2 and the limit slot 8 are regular hexagons, the limit fixture block 2 is inserted into the limit slot 8 to connect the drill bit body 5 with the fixed seat 1 and avoid the relative rotation between the drill bit body 5 and the fixed seat 1, a connecting rod 10 is arranged at the bottom end of the limit fixture block 2, the drill bit body 5 is arranged at the bottom end of the connecting rod 10, sliding slots 12 are arranged at both sides of the top end of the drill bit body 5, sliding blocks 11 are arranged at the bottoms of the left and right inner walls of the active slot 4, the sliding blocks 11 are respectively movably inserted into the sliding slots 12, alternate in spout 12's inside through slider 11, can keep the stability of drill bit body 5 when the installation, the convenience is changed drill bit body 5, the top activity of drill bit body 5 alternates in the inside of movable groove 4, back knife face 6 has all been seted up to the bottom of drill bit body 5 both sides, the contained angle of two back knife faces 6 is 55 degrees, the contained angle through setting up back knife face 6 is 55 degrees, can guarantee that the drill bit maintains efficient cutting efficiency, stop gear 3 is all installed to the both sides of fixing base 1, stop gear 3's one side alternates respectively in the inside of movable groove 4, fixed establishment 7 is installed on the top of fixing base 1, spacing ring 9 is installed at the top in the fixing base 1 outside.

The first embodiment is as follows:

as shown in fig. 3, stop gear 3 is including seting up the spacing groove 31 in 1 both sides of fixing base, the activity hole 35 has all been seted up to the inside both sides of fixing base 1, the inside transverse mounting of spacing groove 31 has regulation pole 32, limit baffle 34 is installed to one side of regulation pole 32, the outside cover of adjusting pole 32 is equipped with reset spring 33, stopper 36 is all installed to the relative one side of two limit baffle 34, stopper 36 alternates in the inside of activity hole 35 respectively, two stopper 36 are located the both sides of 2 bottoms of spacing fixture block respectively, through reset spring 33 to limit baffle 34's pushing action, can drive stopper 36 and alternate the below of spacing fixture block 2, play the effect of position restriction to spacing fixture block 2, prevent that spacing fixture block 2 from breaking away from the inside of spacing draw-in groove 8, can keep the stability of drill bit body 5 installation.

Example two:

as shown in fig. 4, the fixing mechanism 7 includes a fixing frame 71 installed on the top end of the fixing base 1, a positioning slot 72 is opened on the inner bottom wall of the fixing frame 71, fixing holes 73 distributed in an annular array are opened on the outer side of the fixing frame 71, the whole device drill can be installed on the cutting device through the fixing frame 71, a bolt is inserted into the fixing holes 73, the whole device can be installed, the whole device is kept stable, and the positioning slot 72 can play a positioning role, so that the installation process is convenient.

In the utility model, when a user uses the device, the limiting clamping block 2 is inserted in the limiting clamping groove 8, so that the drill bit body 5 can be connected with the fixed seat 1, the relative rotation between the drill bit body 5 and the fixed seat 1 can be avoided, the sliding block 11 is inserted in the sliding groove 12, the stability of the drill bit body 5 during installation can be kept, the drill bit body 5 is convenient to replace, the limiting block 36 can be driven to be inserted below the limiting clamping block 2 through the pushing action of the reset spring 33 on the limiting baffle 34, the limiting clamping block 2 is limited in position, the limiting clamping block 2 is prevented from being separated from the inside of the limiting clamping groove 8, the installation stability of the drill bit body 5 can be kept, the whole device drill bit can be installed on a cutting device through the action of the fixing frame 71, a bolt is inserted in the fixing hole 73, the whole device can be installed to keep the whole device stable, and the positioning function can be achieved through the positioning clamping groove 72.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. A high-hardness cutting drill bit structure comprises a fixed seat (1) and is characterized in that a limiting clamping groove (8) is formed in the fixed seat (1), a movable groove (4) is formed in the middle of the bottom end of the fixed seat (1), the limiting clamping groove (8) is communicated with the movable groove (4), a limiting clamping block (2) is movably mounted in the limiting clamping groove (8), the cross-sectional shapes of the limiting clamping block (2) and the limiting clamping groove (8) are regular hexagons, a connecting rod (10) is mounted at the bottom end of the limiting clamping block (2), a drill bit body (5) is mounted at the bottom end of the connecting rod (10), the top of the drill bit body (5) is movably inserted in the movable groove (4), limiting mechanisms (3) are mounted on two sides of the fixed seat (1), one side of each limiting mechanism (3) is respectively inserted in the movable groove (4), and a fixing mechanism (7) is installed at the top end of the fixing seat (1).

2. The high-hardness cutting drill structure according to claim 1, wherein the limiting mechanism (3) comprises limiting grooves (31) formed in two sides of the fixing base (1), movable holes (35) are formed in two sides of the inside of the fixing base (1), an adjusting rod (32) is transversely installed in the limiting groove (31), a limiting baffle (34) is installed on one side of the adjusting rod (32), a reset spring (33) is sleeved on the outer side of the adjusting rod (32), limiting blocks (36) are installed on one opposite sides of the two limiting baffles (34), the limiting blocks (36) are respectively inserted into the movable holes (35), and the two limiting blocks (36) are respectively located on two sides of the bottom of the limiting clamping block (2).

3. The structure of a high-hardness cutting drill bit according to claim 1, wherein the fixing mechanism (7) comprises a fixing frame (71) installed at the top end of the fixing base (1), a positioning slot (72) is formed in the inner bottom wall of the fixing frame (71), and fixing holes (73) distributed in an annular array are formed in the outer side of the fixing frame (71).

4. A high hardness cutting bit structure according to claim 1, wherein a stop ring (9) is installed on the top of the outer side of the fixing base (1).

5. The structure of a high-hardness cutting drill bit according to claim 1, wherein sliding grooves (12) are formed in both sides of the top end of the drill bit body (5), sliding blocks (11) are mounted at the bottoms of the left inner wall and the right inner wall of the movable groove (4), and the sliding blocks (11) are respectively movably inserted into the sliding grooves (12).

6. The structure of a high-hardness cutting drill bit according to claim 1, wherein the bottom of each side of the drill bit body (5) is provided with a flank surface (6), and the included angle between the two flank surfaces (6) is 55 degrees.