CN220782269U

CN220782269U - Split clamping boring cutter

Info

Publication number: CN220782269U
Application number: CN202322433376.9U
Authority: CN
Inventors: 张小燕; 陈燕楠; 李朦特; 卜学军
Original assignee: Hangzhou Chai Tools Co ltd
Current assignee: Hangzhou Chai Tools Co ltd
Priority date: 2023-09-07
Filing date: 2023-09-07
Publication date: 2024-04-16
Anticipated expiration: 2033-09-07

Abstract

The utility model relates to a components of a whole that can function independently centre gripping boring cutter, it include handle of a knife and fixed connection in the countersink sword of handle of a knife, countersink sword has seted up split groove along axis position, whole hard drill is still installed to the handle of a knife, whole hard drill penetrate split groove just whole hard drill's drill bit expose in split groove, countersink sword's axis with whole hard drill's axis collineation. The utility model has the effect of conveniently correcting adjustment with terminal surface excircle and cutter.

Description

Split clamping boring cutter

Technical Field

The application relates to the field of machining tools, in particular to a split clamping boring cutter.

Background

The boring cutter is a hole processing cutter, is generally a round handle, is commonly used in processing center equipment, and is also commonly used in a vertical lathe with a square cutter bar for a larger workpiece, and the most common occasions are inner hole processing, reaming, profiling and the like. But not only the inner hole, but also the outer circle of the end face can be processed.

When the end face excircle is machined, a cutter suitable for machining the end face excircle needs to be replaced, the position of a workpiece and the position of the cutter need to be corrected and adjusted again after replacement, otherwise, the machining quality is reduced, and the workpiece is easy to discard.

Disclosure of Invention

In order to facilitate correction and adjustment of the outer circle of the end face and the cutter, the application provides a split clamping boring cutter.

The application provides a split clamping boring cutter adopts following technical scheme:

the utility model provides a components of a whole that can function independently centre gripping boring cutter, includes handle of a knife and fixed connection in the countersink sword of handle of a knife, countersink sword has seted up split groove along axis position, whole hard drill is still installed to the handle of a knife, whole hard drill penetrates split groove just whole hard drill's drill bit expose in split groove, countersink sword's axis with whole hard drill's axis collineation.

Through adopting above-mentioned technical scheme, the handle of a knife is used for connecting facing cutter and whole hard drill as the main part, whole hard drill is located the axis position of facing cutter, when processing the work piece, can observe the relative position of whole hard drill and work piece internal hole through the naked eye, remove through machining center control handle of a knife, let earlier with whole hard drill remove to the drill way position of internal hole, whole hard drill just can align on the terminal surface excircle automatically after aligning with the internal hole, thereby conveniently make terminal surface excircle and facing cutter correct the adjustment, realize the alignment, improve the processingquality to the work piece.

Optionally, the countersink is further provided with a blade, the cutting edge of the blade is arranged far away from one side of the cutter handle, and the drill bit of the whole hard drill is far away from the cutter handle than the cutting edge of the blade.

Through adopting above-mentioned technical scheme, the blade can carry out cutting processing to the terminal surface excircle of work piece, because the drill bit of whole hard drill is more kept away from than the cutting edge of blade in the handle of a knife, so before the blade cuts the terminal surface excircle, the drill bit of whole hard drill has a small part to enter into in the hole earlier, can bore out V type bore hole to the work piece earlier to the control boring cutter avoids because rotatory centrifugal force that causes, has the effect of centering, can reduce boring cutter and shake the risk of sword, can improve the processingquality of work piece again.

Optionally, the countersink cutter and the cutter handle are connected through a first connecting piece.

Through adopting above-mentioned technical scheme, first connecting piece can let the facing sword connect on the handle of a knife for the handle of a knife also can synchronous rotation when rotating, thereby processes the work piece.

Optionally, the countersink cutter is provided with a mounting groove, the blade is located in the mounting groove and is connected to the groove wall of the mounting groove through a second connecting piece, and the cutting edge of the blade is exposed out of the mounting groove.

Through adopting above-mentioned technical scheme, the mounting groove is used for holding the blade to the second is connected and can be installed the blade on the mounting groove, with blade and countersink sword split type connection, when the blade dulled, can unscrew the second connecting piece, change new blade again, need not to change countersink sword, thereby reduce cost.

Optionally, the whole hard drill is provided with a relief groove, and one end of the blade edge of the blade is positioned in the relief groove.

Through adopting above-mentioned technical scheme, because the cutting edge of blade is located the inslot of stepping down, so the cutting face of countersink sword can overlap with the cutting face of drilling, can conveniently cut the outward flange of the interior hole of work piece, reduces the production of deckle edge, and the groove of stepping down has the function of carrying out the chip removal to the piece that the blade cut equally.

Optionally, the hard drill is provided with a first chip groove.

Through adopting above-mentioned technical scheme, when the drill bit of whole hard drill is in carrying out the location to the interior hole of work piece, can conveniently let the piece that the drill bit cut out come out from first junk slot.

Optionally, the countersink cutter is provided with a second chip groove.

By adopting the technical scheme, when the countersink cutter is used for machining the outer circle of the end face of the workpiece, chips cut by the cutter blade can be conveniently discharged from the second chip removal groove.

Optionally, the countersink cutter is further provided with a liquid spraying port, and an opening of the liquid spraying port is arranged towards the cutting edge of the blade.

Through adopting above-mentioned technical scheme, the liquid jet mouth can spout the coolant liquid, and the work piece can heat up at the in-process of processing, and the liquid jet mouth can spout the coolant liquid to the position that the work piece was cut to reduce work piece temperature, improve work piece processingquality.

Optionally, the ratio of the diameter of the output shaft of the whole hard drill to the diameter of the output shaft of the countersink is 1:1.8-1:2.2.

Through adopting above-mentioned technical scheme, the diameter of the output shaft of whole hard drill has certain ratio with the diameter of the output shaft of countersink sword, can let whole hard drill and countersink sword at the difference to the cutting volume of the in-process of work piece processing can not be too big, makes boring cutter's wholeness better.

Optionally, the whole hard drill is further provided with a connecting ring, one side of the connecting ring is abutted to the tool handle, and the other side of the connecting ring is abutted by the circumferential surface of the split groove.

Through adopting above-mentioned technical scheme, when facing cutter and handle of a knife are connected, the facing cutter can support tightly the go-between and let whole hard drill also be fixed in the handle of a knife, reduces the production of whole hard drill's not hard up problem.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the countersink cutter can be automatically aligned on the outer circle of the end face through alignment of the whole hard drill pair and the inner hole, so that the outer circle of the end face and the countersink cutter can be conveniently corrected and adjusted, alignment is realized, and the processing quality of a workpiece is improved

2. The liquid spraying opening can spray the cooling liquid to the position of the workpiece to be cut, so that the temperature of the workpiece is reduced, and the processing quality of the workpiece is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a boring tool.

Fig. 2 is an exploded view of the boring tool.

Fig. 3 is an enlarged schematic view of the boring cutter.

Fig. 4 is a schematic sectional structure of the countersink.

Reference numerals illustrate: 1. a knife handle; 11. an insertion end; 12. a clamping section; 13. a connection end; 131. a connecting groove; 132. a first abutment surface; 133. a second abutment surface; 2. finishing a hard drill; 21. a drill bit; 22. a first junk slot; 23. a relief groove; 24. a connecting ring; 3. countersink cutter; 31. a split groove; 32. a blade; 33. a mounting groove; 34. a first connector; 35. a second connector; 36. a second junk slot; 37. a liquid spraying port; 371. and a water outlet path.

Detailed Description

Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible to be mentioned in the present specification are defined with respect to the configurations shown in the drawings, which are relative concepts, and thus may be changed according to different positions and different use states of the same. These and other directional terms should not be construed as limiting terms. Furthermore, the terms "first," "second," "third," and the like are used for descriptive and distinguishing purposes only and are not to be construed as indicating or implying a relative importance of the corresponding components.

The present application is described in further detail below in conjunction with fig. 1-4.

The embodiment of the application discloses a split clamping boring cutter.

Embodiment one:

referring to fig. 1 and 2, a split clamping boring cutter comprises a cutter handle 1, a countersink cutter 3 and a hard drill 2, wherein one end of the cutter handle 1 is provided with an insertion end 11 which is in a circular truncated cone structure, the insertion end 11 can be inserted into a hydraulic clamping disc of a lathe, a clamping piece of the hydraulic clamping disc can clamp the middle position of the cutter handle 1, and the middle position of the cutter handle 1 is provided with a clamping end and is in a cylindrical structure; the other end of the knife handle 1 is a connecting end 13 for connecting the countersink 3 and the whole hard drill 2.

The connecting end 13 of the tool handle 1 is provided with a connecting groove 131, one end of the whole hard drill 2 is a drill bit 21, and the other end is inserted into the connecting groove 131.

The drill bit 21 of the whole hard drill 2 is provided with the first junk slots 22, when the drill bit 21 of the whole hard drill 2 is used for positioning the inner hole of a workpiece, chips cut by the drill bit 21 can be discharged from the first junk slots 22, and in the embodiment, the number of the first junk slots 22 is two, and the drill bit 21 is circumferentially arranged along the axis of the whole hard drill 2.

Referring to fig. 2 and 3, the facing cutter 3 is provided with a split groove 31 along the axis, the split groove 31 is a cylindrical groove body through which the whole hard drill 2 can pass, when in installation, the whole hard drill 2 is firstly inserted into the connecting groove 131, and then the facing cutter 3 is sleeved on the whole hard drill 2 through the split groove 31, so that the axis of the facing cutter 3 is collinear with the axis of the whole hard drill 2.

The connecting end 13 of the tool shank 1 has a first abutment surface 132, the first abutment surface 132 is a circular ring surface, and when the countersink 3 is mounted, one end of the countersink 3, which is far away from the drill 21, abuts against the first abutment surface 132.

The countersink 3 is connected to the shank 1 by means of a first connecting piece 34, the first connecting piece 34 having two, the first connecting piece 34 being a socket head cap screw, the thread of which is not shown in the figure.

When the countersink is attached to the shank 1, the drill 21 of the entire hard drill 2 is exposed to the split groove 31.

The countersink cutter 3 is provided with a mounting groove 33, the mounting groove 33 is provided with a cutter blade 32 through a second connecting piece 35, the second connecting piece 35 is also an inner hexagon bolt, and the threads of the inner hexagon bolt are not shown in the figure; the blade 32 is triangular, one side of the triangular blade 32 is a blade, the blade of the blade 32 exposes the mounting groove 33, and the direction of the blade is away from the side of the handle 1, and in this embodiment, the blade 32 has two blades.

The drill 21 of the whole hard drill 2 is far away from the tool shank 1 than the cutting edge of the blade 32, and when the boring tool is clamped separately to start working, the drill 21 of the whole hard drill 2 is firstly contacted with a workpiece.

The whole hard drill 2 is provided with the abdication groove 23, the cutting edge of the blade 32 and one end close to the axis are positioned in the abdication groove 23, so that the split clamping boring cutter can cut the outer edge of an inner hole of a workpiece when in operation, and the generation of burrs is reduced, and as the blade 32 is provided with two blades, the abdication groove 23 is also provided with two blades, and the abdication groove 23 is also provided with a function of removing chips cut by the blade 32.

The countersink 3 is provided with second chip grooves 36, when the countersink 3 is used for machining the outer circle of the end face of the workpiece, chips cut by the blade 32 can come out of the second chip grooves 36, and in the embodiment, the two second chip grooves 36 are arranged on the countersink 3 along the axial circumference of the whole hard drill 2.

The countersink cutter 3 is also provided with liquid spraying ports 37, the openings of the liquid spraying ports 37 are arranged towards the edge direction of the blade 32, the liquid spraying ports 37 are connected with cooling liquid, and the workpiece to be cut can be cooled, and the two liquid spraying ports 37 are also arranged because the blade 32 is provided with two liquid spraying ports.

Referring to fig. 4, in general, the cooling liquid sprayed from the boring tool in the market is discharged from the central hole, that is, the connecting groove 131 in the present embodiment, or discharged from the end surface of the positioning post, that is, the first abutting surface 133 of the connecting end 13 in the present embodiment, and the liquid spraying port 37 is disposed in the present embodiment, so that the situation that the waterway cannot be led to the countersink 3 due to the central water discharge is avoided, and the integrity of the connecting end 13 is improved, thereby increasing the rigidity of the whole hard drill 2 and the countersink 3. The countersink 3 is further provided with a water outlet path 371, and the cooling liquid can pass through the countersink 3 and then come out from the liquid spraying port 37 through the water outlet path 371.

The output shaft of the whole hard drill 2 is a drill bit 21, the output shaft of the countersink 3 is the distance between the outer edges of the two blades 32, and since the cutting surfaces of the whole hard drill 2 and the countersink 3 are round when rotating, the ratio of the diameter of the output shaft of the whole hard drill 2 to the diameter of the output shaft of the countersink 3 is 1:1.8-1:2.2, in the embodiment, the ratio of the diameter of the output shaft of the whole hard drill 2 is 18cm, and the diameter of the output shaft of the countersink 3 is 36cm.

The implementation principle of the first embodiment is as follows: holding the tool holder 1, inserting the whole hard drill 2 into the connecting groove 131 of the tool holder 1, sleeving the countersink 3 on the whole hard drill 2, enabling one end of the countersink 3 to be abutted on the first abutting surface 132, and fixedly connecting the countersink 3 with the tool holder 1 through the first connecting piece 34.

Embodiment two:

referring to fig. 2 and 3, the difference between the present embodiment and the first embodiment is that the hard drill 2 is further provided with a connecting ring 24, the shank 1 is further provided with a second abutment surface 133, one side of the connecting ring 24 abuts against the second abutment surface 133 of the shank 1, and the other side is abutted against the circumferential surface of the split groove 31 of the countersink 3. After the countersink 3 is fixed to the shank 1 by the first connecting member 34, the countersink 3 also fixes the entire hard drill 2.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application; therefore, according to the technical scheme of the utility model, a person skilled in the art can propose various alternative structural modes and implementation modes without changing the true spirit of the utility model. Accordingly, the foregoing detailed description and drawings are merely exemplary of the utility model and are not intended to be exhaustive or to limit the utility model to the precise form disclosed. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a components of a whole that can function independently centre gripping boring cutter which characterized in that: including handle of a knife (1) and fixed connection in countersink face sword (3) of handle of a knife (1), countersink face sword (3) have seted up components of a whole that can function independently groove (31) along axis position, whole hard drill (2) are still installed to handle of a knife (1), whole hard drill (2) penetrate components of a whole that can function independently groove (31) just drill bit (21) of whole hard drill (2) expose in components of a whole that can function independently groove (31), countersink face sword's (3) axis with the axis collineation of whole hard drill (2).

2. The split clamping boring tool of claim 1, wherein: the countersink cutter (3) is further provided with a blade (32), the cutting edge of the blade (32) is arranged towards one side far away from the cutter handle (1), and the drill bit (21) of the whole hard drill (2) is far away from the cutter handle (1) than the cutting edge of the blade (32).

3. The split clamping boring tool of claim 2, wherein: the countersink knife (3) is connected with the knife handle (1) through a first connecting piece (34).

4. The split clamping boring tool of claim 2, wherein: the countersink cutter (3) is provided with a mounting groove (33), the blade (32) is positioned in the mounting groove (33) and is connected to the groove wall of the mounting groove (33) through a second connecting piece (35), and the cutting edge of the blade (32) is exposed out of the mounting groove (33).

5. The split clamping boring tool of claim 4, wherein: the hard drill (2) is provided with a yielding groove (23), and one end of the cutting edge of the blade (32) is positioned in the yielding groove (23).

6. A split clamping boring tool according to any one of claims 1 to 5, wherein: the hard drill (2) is provided with a first chip removal groove (22).

7. A split clamping boring tool according to any one of claims 1 to 5, wherein: the countersink cutter (3) is provided with a second chip removing groove (36).

8. A split clamping boring tool according to any one of claims 2 to 5, wherein: the countersink cutter (3) is also provided with a liquid spraying opening (37), and the opening of the liquid spraying opening (37) is arranged towards the cutting edge direction of the blade (32).

9. A split clamping boring tool according to any one of claims 1 to 5, wherein: the ratio of the diameter of the output shaft of the whole hard drill (2) to the diameter of the output shaft of the countersink cutter (3) is 1:1.8-1:2.2.

10. A split clamping boring tool according to any one of claims 1 to 5, wherein: the hard drill (2) is further provided with a connecting ring (24), one side of the connecting ring (24) is abutted to the tool handle (1), and the other side of the connecting ring (24) is abutted to the circumferential surface of the split groove (31).