CN207681665U - A kind of hook lock internal thread cutter - Google Patents

Abstract

The utility model discloses a kind of hook lock internal thread cutters, including tool apron, handle of a knife, notch, clamping face, fixed screw, fine adjustment screw, cutter head, mounting hole, screw thread wedge angle, cutting edge and chip space, the utility model has the beneficial effects that：It is set as arc-shaped at the top of the horn of notch, the screw thread wedge angle when mounted to cutter head is avoided to cause to damage, certain protective action is played to screw thread wedge angle, fine adjustment screw makes tool apron relative to the inclination of handle of a knife generation different angle by rotation, corresponding adjustment is made for the internal thread of different depth to be opened, with higher practicability, the screw thread wedge angle and cutting edge of cutter head are that Talide material is made, the service life of screwer can be extended, the tail portion of screw thread wedge angle is equipped with wiper edges, smoothing is carried out to the top diameter of machined screw thread, avoid carrying out the process of deburring after processing, cutting edge carries out screw thread process by screw thread wedge angle again after hook lock is dug side, solve the problems, such as that surface smoothness is not high in processing.

Description

A kind of hook lock internal thread cutter

Technical field

The utility model is related to a kind of screwer, specially a kind of hook lock internal thread cutter belongs to metal cutting process technology Field.

Background technology

Internal thread, which makes, is also referred to as tapping, and internal thread producing device is one kind in parts shell, equipment end face, nut, method The medial surface in the hole of the part of the various through-holes or blind hole with different size such as blue disk processes internal thread, screw or tooth is made to buckle Machining equipment, common screwer is whole hard alloy screwer and rack blade type screwer, has 5 to 7 teeth Point of a knife screw thread can process at one time screw thread, and the general processing flow of multiple tooth screw cutter is, on the cutting edge of screw cutter It is covered with screw thread process tooth, by the three-shaft linkage of numerically-controlled machine tool, carries out spiral interpolation using formed threading tool and form screw thread, knife Tool is processed one week along helix and screw thread process can be completed, and can also rotate more and reach screw thread requirement depth several weeks, disadvantage exists In, multiple tooth screw cutter occupancy processing space is more, and chip removal has some setbacks, and be easy to cause the abrasion of cutter, reduces cutting-tool's used life, The efficiency of tool sharpening screw thread is also reduced simultaneously, in addition, such screwer is because head is too big, and depth is inadequate, uncomfortable Small, the big internal thread of depth in processing diameter.

Utility model content

The purpose of this utility model is that solve the above-mentioned problems and provides a kind of hook lock internal thread cutter.

The utility model is achieved through the following technical solutions above-mentioned purpose：A kind of hook lock internal thread cutter, including tool apron, knife Handle, notch, clamping face, fixed screw, fine adjustment screw, cutter head, mounting hole, screw thread wedge angle, cutting edge and chip space；The tool apron Positioned at the screwer front end, the tool apron assigns on handle of a knife, and the handle of a knife is linked together by fixed screw and tool apron, institute The rear portion that handle of a knife is located at tool apron is stated, the notch is opened on tool apron, and the notch is located at the front end of tool apron, and the clamping face is set It sets on handle of a knife, the clamping face is located at the middle part of handle of a knife, and the fixed screw is mounted on the front end of handle of a knife, the fine adjustment screw Mounted on the front end of handle of a knife, the fine adjustment screw is located at the both sides up and down of handle of a knife, and the cutter head is placed in the slot on tool apron In mouthful, the cutter head is in triangle column, and the mounting hole is opened at the center of cutter head, and the screw thread wedge angle is located at the point of cutter head At end, the cutting edge is separately positioned on the front side of screw thread wedge angle, the chip removal geosynclinal concave in cutter head upper surface, the chip space with The notch of screw thread wedge angle is placed together.

Preferably, in order to play certain protective action to screw thread wedge angle, arc-shaped is set as at the top of the horn of the notch.

Preferably, the internal thread in order to needle different depth makes corresponding adjustment, and the fine adjustment screw passes through rotation Tool apron is set to generate the inclination of different angle relative to handle of a knife.

Preferably, in order to extend the service life of screwer, the screw thread wedge angle and cutting edge of the cutter head are tungsten carbide Cemented carbide material is made.

Preferably, in order to avoid carrying out the process of deburring after processing, the tail portion of the screw thread wedge angle is equipped with wiper edges.

Preferably, in order to solve the problems, such as processing in surface smoothness it is not high, the cutting edge by hook lock dig side after again by Screw thread wedge angle carries out screw thread process.

The utility model has the beneficial effects that：The hook lock internal thread cutter reasonable design is set as arc-shaped at the top of the horn of notch, It avoids the screw thread wedge angle when mounted to cutter head from causing to damage, certain protective action is played to screw thread wedge angle, fine adjustment screw is logical Crossing rotation makes tool apron generate the inclination of different angle relative to handle of a knife, and corresponding tune is made for the internal thread of different depth to be opened It is whole, there is higher practicability, the screw thread wedge angle and cutting edge of cutter head are that Talide material is made, and improve cutting The hardness of sword can extend the service life of screwer, and the tail portion of screw thread wedge angle is equipped with wiper edges, to the top diameter of machined screw thread Smoothing is carried out, avoids the process of progress deburring after processing, cutting edge that from being added again by screw thread wedge angle progress screw thread behind hook lock plane side Work solves the problems, such as that surface smoothness is not high in processing, makes the more aesthetically pleasing practicality of finished product.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model structure cutter head schematic diagram；

In figure：1, tool apron, 2, handle of a knife, 3, notch, 4, clamping face, 5, fixed screw, 6, fine adjustment screw, 7, cutter head, 8, peace Fill hole, 9, screw thread wedge angle, 10, cutting edge and 11, chip space.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Please refer to Fig.1~2, a kind of hook lock internal thread cutter, including tool apron 1, handle of a knife 2, notch 3, clamping face 4, fixed screw 5, fine adjustment screw 6, cutter head 7, mounting hole 8, screw thread wedge angle 9, cutting edge 10 and chip space 11；The tool apron 1 is located at the screwer Front end, the tool apron 1 assign on handle of a knife 2, and the handle of a knife 2 is linked together by fixed screw 5 and tool apron 1, the handle of a knife 2 Positioned at the rear portion of tool apron 1, the notch 3 is opened on tool apron 1, and the notch 3 is located at the front end of tool apron 1, and the clamping face 4 is set It sets on handle of a knife 2, the clamping face 4 is located at the middle part of handle of a knife 2, and the fixed screw 5 is mounted on the front end of handle of a knife 2, described micro- Screw 6 is adjusted to be mounted on the front end of handle of a knife 2, the fine adjustment screw 6 is located at the both sides up and down of handle of a knife 2, and the cutter head 7 is placed in In notch 3 on tool apron 1, the cutter head 7 is in triangle column, and the mounting hole 8 is opened at the center of cutter head 7, the screw thread Wedge angle 9 is located at the tip of cutter head 7, and the cutting edge 10 is separately positioned on the front side of screw thread wedge angle 9, the chip space 11 it is recessed 7 upper surface of cutter head, the chip space 11 and the notch of screw thread wedge angle 9 are placed together, and circular arc is set as at the top of the horn of the notch 3 Shape avoids the screw thread wedge angle 9 when mounted to cutter head 7 from causing to damage, and certain protective action is played to screw thread wedge angle 9, described Fine adjustment screw 6 makes tool apron 1 relative to the inclination of the generation different angle of handle of a knife 2 by rotation, for the interior spiral shell of different depth to be opened Line makes corresponding adjustment, has higher practicability, the screw thread wedge angle 9 and cutting edge 10 of the cutter head 7 are that tungsten carbide is hard Matter alloy material is made, and improves the hardness of cutting edge 10, can extend the service life of screwer, the tail of the screw thread wedge angle 9 Portion is equipped with wiper edges, carries out smoothing to the top diameter of machined screw thread, avoids the process of progress deburring after processing, the cutting edge 10 will carry out screw thread process by screw thread wedge angle 9 again behind hook lock plane side, solve the problems, such as that surface smoothness is not high in processing, makes into The more aesthetically pleasing practicality of product.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation Involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (6)

1. a kind of hook lock internal thread cutter, it is characterised in that：Including tool apron (1), handle of a knife (2), notch (3), clamping face (4), fix Screw (5), fine adjustment screw (6), cutter head (7), mounting hole (8), screw thread wedge angle (9), cutting edge (10) and chip space (11)；It is described Tool apron (1) is located at the screwer front end, and the tool apron (1) assigns on handle of a knife (2), and the handle of a knife (2) passes through fixed screw (5) It linking together with tool apron (1), the handle of a knife (2) is located at the rear portion of tool apron (1), and the notch (3) is opened on tool apron (1), The notch (3) is located at the front end of tool apron (1), and the clamping face (4) is arranged on handle of a knife (2), and the clamping face (4) is located at knife The middle part of handle (2), the fixed screw (5) are mounted on the front end of handle of a knife (2), and the fine adjustment screw (6) is mounted on handle of a knife (2) Front end, the fine adjustment screw (6) are located at the both sides up and down of handle of a knife (2), and the cutter head (7) is placed in the slot on tool apron (1) In mouth (3), the cutter head (7) is in triangle column, and the mounting hole (8) is opened at the center of cutter head (7), the screw thread wedge angle (9) it is located at the tip of cutter head (7), the cutting edge (10) is separately positioned on the front side of screw thread wedge angle (9), the chip space (11) recessed to be placed together in cutter head (7) upper surface, the chip space (11) and the notch of screw thread wedge angle (9).

2. a kind of hook lock internal thread cutter according to claim 1, it is characterised in that：It is set as at the top of the horn of the notch (3) Arc-shaped.

3. a kind of hook lock internal thread cutter according to claim 1, it is characterised in that：The fine adjustment screw (6) passes through rotation Tool apron (1) is set to generate the inclination of different angle relative to handle of a knife (2).

4. a kind of hook lock internal thread cutter according to claim 1, it is characterised in that：The screw thread wedge angle (9) of the cutter head (7) It is that Talide material is made with cutting edge (10).

5. a kind of hook lock internal thread cutter according to claim 1, it is characterised in that：The tail portion of the screw thread wedge angle (9) is set There are wiper edges.

6. a kind of hook lock internal thread cutter according to claim 1, it is characterised in that：Hook lock is dug side by the cutting edge (10) Screw thread process is carried out by screw thread wedge angle (9) again afterwards.