CN211135566U

CN211135566U - End face annular groove machining tool

Info

Publication number: CN211135566U
Application number: CN201922042003.2U
Authority: CN
Inventors: 彭学明; 彭学云; 张朝伟; 徐玉峰
Original assignee: Kunshan Quanta Machinery Co ltd; Kunshan Huaheng Welding Co Ltd
Current assignee: Kunshan Quanta Machinery Co ltd; Kunshan Huaheng Welding Co Ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-07-31
Anticipated expiration: 2029-11-22

Abstract

The utility model provides an end surface annular groove processing cutter, which comprises a cutter bar and a cutter body connected with the cutter bar, wherein the cutter body is provided with a cutting groove with a section in an annular shape, and a first notch extending along the axial direction of the cutting groove is arranged on the cutting groove in a penetrating way; the first end face, far away from the cutter bar, of the cutting groove is provided with a first end and a second end, the first end and the second end are located on two opposite sides of the first notch, the first end face extends from the first end to the second end and towards the cutter bar in an inclined mode, and a cutting edge is arranged at the first end; the integral strength of the cutter body can be enhanced, the cutter body is prevented from cracking in the turning process, the machining stability of the end face annular groove is enhanced, and the production efficiency is effectively improved; in addition, in the process of machining the end surface annular groove, the end surface annular groove can be accurately controlled according to the depth size of the end surface annular groove, and the machining accuracy of the end surface annular groove is improved.

Description

End face annular groove machining tool

Technical Field

The utility model relates to a numerical control lathe work field especially relates to an end face annular groove machining cutter.

Background

In the process of numerical control turning, various types of deep-hole groove processing, such as processing of an outer circular groove, an inner diameter groove, an end surface groove and the like, are frequently encountered.

With the high-speed development of the manufacturing industry, a plurality of machined parts have the characteristics of special structure, high machining difficulty and the like, for example, the end surface annular groove gradually has a change trend of deepening, but on one hand, the end surface annular groove is limited by the depth and the structure of the existing end surface annular groove machining tool, and the existing end surface annular groove machining tool cannot machine the end surface annular groove with deeper depth, namely, cannot reach the expected depth; on the other hand, the existing end face annular groove machining tool welds the blade for turning on the top end of the tool body, so that the problems of tool breakage and the like are easily caused in the turning process, and the high risk is caused, so that the machining of the end face deep groove presents the problems of difficult machining, instability, low efficiency and the like.

In view of the above, there is a need for an improved facing ring groove machining tool to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an end surface annular groove machining cutter.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: an end face annular groove machining cutter comprises a cutter bar and a cutter body connected with the cutter bar, wherein the cutter body is provided with a cutting groove with a circular section, and a first notch extending along the axial direction of the cutting groove is arranged on the cutting groove in a penetrating mode; the cutting groove is kept away from the first end face of cutter arbor has and is located the first end and the second end of the relative both sides of first breach, first end face is held and is moved towards from first end to the second the cutter arbor slope extends, first end is provided with the blade.

As a technical scheme of the utility model of further improvement, first terminal surface has locates the cutting plane of first end, the blade is including locating cutting plane with the first blade at the corresponding edge of first breach, locating two relative edges of cutting plane just are located two second blades at the relative both ends of first blade.

As a further improved technical solution of the present invention, the cutting groove has a second end surface extending from the first end along a length direction of the cutting groove, the second end surface corresponding to the first notch; the second end face is concavely provided with a chip guide groove at the position close to the first end.

As a further improved technical solution of the present invention, the cutter body further has a circular connecting groove connected to the cutter bar, the cutting groove is located at one end of the connecting groove away from the cutter bar, and the connecting groove and the cutting groove are coaxially arranged and integrally formed; the connecting groove is provided with a second notch extending along the axial direction of the connecting groove in a penetrating mode, the second notch is communicated with the first notch, and the width of the second notch is smaller than that of the first notch.

As a modified technical scheme of the utility model, the cutter arbor includes the cutter arbor body, the cutter arbor body has and is used for setting up the connection terminal surface of cutter body, certainly the periphery of connection terminal surface to deviating from the week wall that the direction of cutter body extends, locating be close to on the week wall connect the inlet of the position department of terminal surface, locate liquid outlet, intercommunication on the connection terminal surface the inlet with the liquid passage of liquid outlet.

As a further improved technical scheme of the utility model, the cutter bar further comprises a liquid guiding column which is convexly arranged on the connecting end surface, and the liquid guiding column is coaxially arranged with the cutter body; and a liquid guide hole communicated with the liquid outlet is arranged on the liquid guide column in a penetrating way along the axial direction of the liquid guide column.

As a further improved technical scheme of the present invention, the cutter body further has a circular connecting groove connected to the cutter bar, and the cutting groove is located at one end of the connecting groove away from the cutter bar; the inner diameter of the connecting groove is the same as the outer diameter of the liquid guide column.

As a modified technical scheme of the utility model, the cutter arbor includes the cutter arbor body, the cutter arbor body has and is used for setting up the connection terminal surface of cutter body, connect the terminal surface go up the concave recess that is equipped with the cross-sectional shape looks adaptation of cutter body.

As a further improved technical scheme of the utility model, the material of the cutter bar is steel, and the material of the cutter body is hard alloy; the cutter body is connected to the cutter bar through welding.

The utility model has the advantages that: the end surface annular groove machining cutter in the utility model directly sets the cutting edge at the first end of the cutting groove, compared with the prior art that a blade for turning is additionally welded at the first end, the overall strength of the cutter body can be enhanced, the cutter body is prevented from cracking in the turning process, the stability of end surface annular groove machining is enhanced, and the production efficiency is effectively improved; in addition, in the process of machining the end surface annular groove, the end surface annular groove can be accurately controlled according to the depth size of the end surface annular groove, and the machining accuracy of the end surface annular groove is improved.

Drawings

Fig. 1 is a schematic structural view of the end surface annular groove machining tool of the present invention.

Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

Fig. 3 is an exploded view of the face annular groove machining tool shown in fig. 1.

Fig. 4 is a schematic structural view of a part to be machined according to the present invention.

Fig. 5 is a schematic view of another angular configuration of the part to be machined shown in fig. 4.

Fig. 6 is a sectional view taken along line B-B in fig. 5.

Detailed Description

The present invention will be described in detail with reference to the embodiments shown in the drawings, and reference is made to fig. 1 to 6, which are preferred embodiments of the present invention. It should be noted that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the equivalent transformation or substitution of the function, method, or structure based on these embodiments is within the protection scope of the present invention.

In this specification, it is to be noted that, unless otherwise explicitly stated or limited, the term "connected" or the like is to be interpreted broadly, and for example, the connection may be a direct connection or an indirect connection via an intermediate, and may be a fixed connection or a detachable connection or an integral connection. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Please refer to fig. 1 to 6, the utility model provides an end face annular groove machining tool 100, including cutter arbor 1, with cutter body 2 that cutter arbor 1 is connected, at the in-process of numerical control turning, fixed cutter arbor 1 and the part 200 of waiting to process make the terminal surface of the part 200 of waiting to process with cutter body 2 keeps away from the one end of cutter arbor 1 contacts, then drives the part 200 of waiting to process feeds towards the direction that cutter arbor 1 was located when rotatory around its axle center to, turn out required end face annular groove 201 on the part 200 of waiting to process through cutter body 2.

The utility model discloses in, with terminal surface ring channel 201 on the terminal surface ring channel processing cutter 100 is used for processing plasma nozzle 200 specifically explains as an example, plasma nozzle 200's material is chromium zirconium copper, certainly, does not use this as the limit. It should be noted that the technical spirit involved in the embodiments described below may alternatively be applied to turning other similar facing annular grooves.

Specifically, the cutter body 2 is provided with a cutting groove 21 with a circular ring-shaped cross section, a first notch 211 extending along the axial direction of the cutting groove 21 is arranged on the cutting groove 21 in a penetrating manner, a first end face 212 of the cutting groove 21, which is far away from the cutter bar 1, is provided with a first end and a second end which are positioned at two opposite sides of the first notch 211, the first end face 212 extends from the first end to the second end in an inclined manner and faces the cutter bar 1, and the first end is provided with a cutting edge 22, compared with the prior art that the first end is additionally welded for turning a cutter blade, the utility model discloses a cutting edge 22 is directly and integrally formed at the first end of the cutting groove 21, so that the overall strength of the cutter body 2 can be enhanced, the cutter body 2 is prevented from being cracked in the turning process, the stability of the end face annular groove processing is enhanced, and; in addition, in the process of machining the end surface annular groove, the end surface annular groove can be accurately controlled according to the depth size of the end surface annular groove, and the machining accuracy of the end surface annular groove is improved.

It is understood that the cross-section of the cutting groove 21 provided with the first notch 211 is in a non-closed circular shape, such as a semicircular shape.

By providing the first notch 211, on one hand, the cutting edge 22 is conveniently formed integrally at the first end, and interference between the cutting groove 21 and the plasma nozzle 200 is prevented during turning; on the other hand, in the turning process, the turning machine is favorable for timely chip removal.

Meanwhile, by providing the first end surface 212 in an inclined shape, interference between the cutting groove 21 and the plasma nozzle 200 during turning can be prevented.

Further, the first end face 212 has a cutting plane 2121 disposed at the first end, the cutting edge 22 includes a first cutting edge 221 disposed at an edge of the cutting plane 2121 corresponding to the first notch 211, and two second cutting edges 222 disposed at two opposite edges of the cutting plane 2121 and located at two opposite ends of the first cutting edge 221, in the process that the plasma nozzle 200 rotates and feeds toward the cutter bar 1, the two second cutting edges 222 are used to form two opposite groove walls 2011 on the end face annular groove 201, and the first cutting edge 221 is used to turn the end face of the plasma nozzle 200 facing the end face annular groove processing tool 100 to form a connecting wall 2012 on the end face annular groove 201 for connecting the two groove walls 2011.

Of course, it is understood that the specific structural design of the cutting edge 22 may be designed according to the specific structural design of the cross-section annular groove to be formed, and thus, the detailed description thereof is omitted.

Further, the cutting groove 21 has a second end surface 213 extending from the first end in a length direction of the cutting groove 21, the second end surface 213 corresponding to the first notch 211; a chip guide groove 2131 is concavely arranged on the second end surface 213 close to the first end, the chip guide groove 2131 is connected with the first cutting edge 221, and in the turning process of the cutting groove 21, the chip guide groove 2131 can guide generated chips to move towards the outer periphery of the cutting groove 21, so that the chips can be discharged from a gap between the cutting groove 21 and the formed end surface annular groove 201, the chip removal effect is enhanced, and the processing risks of cutter breaking, cutter squeezing and the like of the cutter body 2 are reduced.

Further, the cutter body 2 still has connect in the annular spread groove 23 of the ring on the cutter arbor 1, cutting groove 21 is located spread groove 23 keeps away from the one end of cutter arbor 1, spread groove 23 with the coaxial setting of cutting groove 21 and integrated into one piece have guaranteed the use strength of cutter body 2 reduces risks such as disconnected sword in the turning process.

Further, a second notch 231 extending along the axial direction of the connecting groove 23 is arranged on the connecting groove 23 in a penetrating manner, the second notch 231 is communicated with the first notch 211, the width of the second notch 231 is smaller than that of the first notch 211, the connecting area of the cutter body 2 connected to the cutter bar 1 is increased, the connecting strength between the cutter body 2 and the cutter bar 1 is enhanced, the integral rigidity and strength of the end face annular groove machining cutter 100 are enhanced, and the stability in the machining process is enhanced.

Specifically, the holder 1 includes a holder body 11, and the holder body 11 has a connecting end surface 111 on which the cutter body 2 is disposed, and a peripheral wall surface 112 extending from a peripheral edge of the connecting end surface 111 in a direction away from the cutter body 2.

In one embodiment, the tool bar 1 is cylindrical, but not limited thereto.

Further, a groove 1111 matched with the cross-sectional shape of the cutter body 2 is concavely arranged on the connecting end surface 111 to fix and limit the cutter body 2.

It is understood that, in the present embodiment, the shape of the groove 1111 is adapted to the sectional shape of the coupling groove 23.

Further, the cutter bar body 11 further includes a liquid inlet 113 disposed on the peripheral wall surface 112 and close to the connecting end surface 111, a liquid outlet (not shown) disposed on the connecting end surface 111, and a liquid channel (not shown) communicating the liquid inlet 113 with the liquid outlet, so as to be able to convey an external cooling liquid to the machining surfaces of the cutter body 2 and the end surface annular groove 201, on one hand, it is ensured that the cutting edge 22 can be sufficiently cooled in the machining process, the abrasion of the cutting edge 22 is reduced, and it is ensured that other parts of the cutter body 2 can be sufficiently cooled in the machining process, so as to avoid the chromium zirconium copper from adhering to the cutter body 2 due to heat generated in the machining process, which leads to the cutter body 2 being cracked, that is, the cutter body 2 can be prevented from being cracked; on the other hand, because of the inlet 113 is close to the connecting end face 111 sets up, has shortened the delivery path of coolant liquid, has increased the coolant liquid reachs water pressure when the position department at cutter body 2 place can promote the chip removal, has promoted the chip removal efficiency in the course of working, reduces stifled bits condition by a wide margin, reduces the risk of disconnected sword, crowded sword.

Further, cutter arbor 1 still includes protruding locating the drain post 12 on the land surface 111, drain post 12 with the cutter body 2 is coaxial to be set up, just run through along its axial on the drain post 12 be equipped with the drain hole 121 that the liquid outlet is linked together to shorten coolant liquid jet outlet apart from blade 22 and the distance of cutting groove 21 further strengthens cooling effect and chip removal effect.

In one embodiment, the inner diameter of the connecting groove 23 is the same as the outer diameter of the liquid guiding column 12, and after the cutter body 2 is connected to the cutter bar 1, the inner wall of the connecting groove 23 is supported on the outer circumferential wall of the liquid guiding column 12, so as to enhance the stability of the cutter body 2 during the machining process, and prevent the cutter body 2 from shaking and affecting the turning effect.

Meanwhile, the height of the connecting groove 23 in the axial direction thereof is the same as the height of the liquid guide column 12 in the axial direction thereof, so as to further enhance the stability of the cutter body 2 during the machining process.

In a specific embodiment, the material of the cutter bar 1 is steel, the material of the cutter body 2 is hard alloy, and the cutter body 2 is connected to the cutter bar 1 by welding, so as to enhance the connection strength between the cutter body 2 and the cutter bar 1, enhance the rigidity and strength of the whole end surface annular groove machining cutter 100, and enhance the stability of the end surface annular groove machining cutter 100 in the process of machining the end surface annular groove 201; of course, this is not a limitation.

To sum up, the end surface annular groove machining tool 100 of the present invention directly sets the cutting edge 22 at the first end of the cutting groove 21, and compared with the prior art in which a blade for turning is additionally welded at the first end, the overall strength of the tool body 2 can be enhanced, the situation that the tool body 2 is cracked during the turning process is prevented, the stability of the end surface annular groove machining tool 100 in machining the end surface annular groove 201 is enhanced, and the production efficiency is effectively improved; in addition, in the process of machining the end surface annular groove 201, the end surface annular groove 201 can be accurately controlled according to the depth of the end surface annular groove 201, and the machining accuracy of the end surface annular groove is improved.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides an end face annular groove processing cutter, include the cutter arbor, with the cutter body that the cutter arbor is connected, its characterized in that: the cutter body is provided with a cutting groove with a circular section, and a first notch extending along the axial direction of the cutting groove is arranged on the cutting groove in a penetrating way; the cutting groove is kept away from the first end face of cutter arbor has and is located the first end and the second end of the relative both sides of first breach, first end face is held and is moved towards from first end to the second the cutter arbor slope extends, first end is provided with the blade.

2. The end face annular groove machining tool according to claim 1, wherein: first terminal surface has locates the cutting plane of first end, the blade is including locating the cutting plane with the first blade of the corresponding edge of first breach, locate two edges that the cutting plane is relative just are located two second blades at the relative both ends of first blade.

3. The end face annular groove machining tool according to claim 1, wherein: the cutting groove is provided with a second end face extending from the first end along the length direction of the cutting groove, and the second end face corresponds to the first notch; the second end face is concavely provided with a chip guide groove at the position close to the first end.

4. The end face annular groove machining tool according to claim 1, wherein: the cutter body is also provided with a circular connecting groove connected to the cutter bar, the cutting groove is positioned at one end of the connecting groove far away from the cutter bar, and the connecting groove and the cutting groove are coaxially arranged and are integrally formed; the connecting groove is provided with a second notch extending along the axial direction of the connecting groove in a penetrating mode, the second notch is communicated with the first notch, and the width of the second notch is smaller than that of the first notch.

5. The end face annular groove machining tool according to any one of claims 1 to 4, wherein: the cutter arbor includes the cutter arbor body, the cutter arbor body has and is used for setting up the connection terminal surface of cutter body, certainly the periphery of connection terminal surface is to deviating from the week wall that the direction of cutter body extends, locate be close to on the week wall the inlet of the position department of connection terminal surface, locate liquid outlet on the connection terminal surface, intercommunication the inlet with the liquid passage of liquid outlet.

6. The end face annular groove machining tool according to claim 5, wherein: the cutter bar further comprises a liquid guide column which is convexly arranged on the connecting end face, and the liquid guide column and the cutter body are coaxially arranged; and a liquid guide hole communicated with the liquid outlet is arranged on the liquid guide column in a penetrating way along the axial direction of the liquid guide column.

7. The end face annular groove machining tool according to claim 6, wherein: the cutter body is also provided with a circular connecting groove connected to the cutter bar, and the cutting groove is positioned at one end of the connecting groove far away from the cutter bar; the inner diameter of the connecting groove is the same as the outer diameter of the liquid guide column.

8. The end face annular groove machining tool according to any one of claims 1 to 4, wherein: the cutter arbor includes the cutter arbor body, the cutter arbor body has the connection terminal surface that is used for setting up the cutter body, connect the terminal surface go up the concave recess that is equipped with the cross-sectional shape looks adaptation of cutter body.

9. The end face annular groove machining tool according to claim 1, wherein: the cutter bar is made of steel, and the cutter body is made of hard alloy; the cutter body is connected to the cutter bar through welding.