CN219188647U

CN219188647U - Telescopic slotting cutter

Info

Publication number: CN219188647U
Application number: CN202223123728.2U
Authority: CN
Inventors: 俞国兵; 王方平; 徐邦敉; 汪东敏
Original assignee: Qijing Machinery Co Ltd
Current assignee: Qijing Machinery Co Ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-06-16
Anticipated expiration: 2032-11-23

Abstract

The utility model provides a telescopic slotting cutter, which belongs to the technical field of cutting tools and comprises the following components: the cutter comprises a cutter seat, a cutter head and a cutter head, wherein one end of the cutter seat is a cutting end capable of being pressed and moved, and the other end of the cutter seat is a rotating end; the cutter assembly comprises a slotting cutter and a cutter sleeve, wherein the slotting cutter is arranged in the cutter sleeve, a cutting part is arranged on the slotting cutter, the slotting cutter is connected with the cutting end in a linkage manner, the cutting part of the slotting cutter can extend out of the side face of the cutter sleeve when the cutting end is pressed, and the cutting part of the slotting cutter can retract from the side face of the cutter sleeve when the cutting end is not pressed. The utility model has the beneficial effects that: the telescopic slotting cutter can enable the hole wall of the deep hole to be processed into an annular groove structure, and the processing mode is simple and practical.

Description

Telescopic slotting cutter

Technical Field

The utility model belongs to the technical field of cutting tools, and particularly relates to a telescopic slotting cutter.

Background

In the actual cutting processing of parts, some parts need to form annular deep grooves on the wall of a deep hole, but the conventional cutting tool cannot cut the wall of the deep hole. Accordingly, there has been a continued provision of a tool capable of forming an annular recess in the wall of a deep hole.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a telescopic slotting cutter.

The aim of the utility model can be achieved by the following technical scheme:

the cutter comprises a cutter seat, a cutter head and a cutter head, wherein one end of the cutter seat is a cutting end capable of being pressed and moved, and the other end of the cutter seat is a rotating end;

the cutter assembly comprises a slotting cutter and a cutter sleeve, wherein the slotting cutter is arranged in the cutter sleeve, a cutting part is arranged on the slotting cutter, the slotting cutter is connected with the cutting end in a linkage manner, the cutting part of the slotting cutter can extend out of the side face of the cutter sleeve when the cutting end is pressed, and the cutting part of the slotting cutter can retract from the side face of the cutter sleeve when the cutting end is not pressed.

Preferably, the number of the cutting parts is at least two, and each of the cutting parts is disposed at intervals.

Preferably, the slot cutter is provided with an inclined guide protrusion, the cutter sleeve is provided with an inclined guide groove, the guide protrusion can move along the direction of the guide groove when the cutting end is pressed, so that the slot cutter extends out from the side surface of the cutter sleeve, and the guide protrusion is embedded in the guide groove when the cutting end is not pressed.

Preferably, a fixed limiting piece is arranged in the tool apron, the end part of the tool sleeve is in abutting connection with the limiting piece, and the limiting piece can prevent the tool sleeve from moving when the cutting end is pressed.

Preferably, a reset spring for resetting the cutting end and the slotting cutter is arranged in the cutter holder, and the cutting end is connected with the reset spring in a linkage way.

Preferably, the middle part of the knife sleeve is provided with an accommodating groove, and the slotting knife is movably arranged in the accommodating groove.

Preferably, the cutter assembly further comprises a connecting sleeve for preventing the slotting cutter from falling from the cutter sleeve, and the connecting sleeve is sleeved on the cutter sleeve and the slotting cutter.

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

1. the telescopic slotting cutter can enable the hole wall of the deep hole to be processed into an annular groove structure, and the processing mode is simple and practical.

2. The cutting part is arranged in a plurality of parts, so that a plurality of annular grooves can be formed at the same time by one-time processing, and the processing efficiency is greatly improved.

3. The slotting cutter body is arranged into a plurality of slotting cutter bodies, and the positions and the numbers of the cutting parts of each slotting cutter are different, so that different slotting cutters can be selected according to the number and the positions of grooves to be processed, and the practicability of the slotting cutter is greatly improved.

4. Because one end of the accommodating groove is of an opening structure, if the connecting sleeve is not arranged, the slotting cutter can fall off from the accommodating groove of the cutter sleeve in the rotating process of the cutter assembly.

Drawings

Fig. 1 is a schematic structural view of the telescopic slotting cutter of the present utility model.

Fig. 2 is an exploded view of the knife assembly of the telescopic slotting knife of the present utility model.

Fig. 3 is an isometric view of the seat of the telescopic slotting cutter of the present utility model.

In the figure, 100, the tool holder; 110. cutting the end; 120. a rotating end; 200. a knife assembly; 210. a slotting cutter; 211. a cutting section; 212. a guide protrusion; 220. a knife sleeve; 221. a guide groove; 222. an accommodating groove; 223. a fixed end; 300. a limiting piece; 400. a return spring; 500. and (5) connecting the sleeve.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1-3, a telescopic slotting cutter, comprising: the tool holder 100 and the tool assembly 200, wherein the tool holder 100 is a main body structure of the slotting cutter, other parts can be carried on the tool holder 100, and the tool assembly 200 is used for forming a groove structure.

Specifically, one end of the tool holder 100 is a cutting end 110 capable of being pressed and moved, and the other end of the tool holder 100 is a rotating end 120; the cutter assembly 200 includes a slotting cutter 210 and a cutter sleeve 220, the slotting cutter 210 is disposed in the cutter sleeve 220, a cutting portion 211 is disposed on the slotting cutter 210, the slotting cutter 210 is connected with the cutting end 110 in a linkage manner, the cutting portion 211 of the slotting cutter 210 can extend from the side of the cutter sleeve 220 when the cutting end 110 is pressed, and the cutting portion 211 of the slotting cutter 210 can retract from the side of the cutter sleeve 220 when the cutting end 110 is not pressed.

It should be noted that, the cutting end 110 of the tool holder 100 is used to connect with the tool assembly 200 to process a part, the rotating end 120 of the tool holder 100 is connected with a rotation driving element such as an external machine tool, and the rotation driving element drives the cutting portion 211 of the slotting tool to rotate through the rotating end 120, so as to complete the processing of the groove on the wall of the deep hole.

In practical use, the connecting end of the tool holder 100 is connected with the external rotating element, then the slotting cutter 210 and the cutter sleeve 220 extend into a deep hole to be machined, when the end surface of the deep hole is in abutting connection with the cutting end 110 of the tool holder 100, the tool holder 100 continues to move towards the deep hole, the end surface of the deep hole moves the cutting end 110 towards the rotating end 120, the slotting cutter 210 is driven to move by the movement of the cutting end 110 due to the linkage connection of the slotting cutter 210 and the cutting end 110, and the cutting part 211 of the slotting cutter 210 extends out from the side surface of the cutter sleeve 220 until the slotting cutter is in abutting connection with the hole wall, and at the moment, the rotary driving element drives the tool holder 100 to rotate so that the slotting cutter 211 performs slotting machining on the hole wall.

It should be noted that, the telescopic slotting cutter 210 can make the hole wall of the deep hole to be processed into an annular groove structure, and the processing mode is simple and practical.

Preferably, the number of the cutting parts 211 is set to at least two, and the respective cutting parts 211 are spaced apart.

It should be noted that the number of the cutting portions 211 is plural, so that a plurality of annular grooves can be simultaneously formed by one process, which greatly increases the processing efficiency.

It should be noted that the number of the slotting cutter 210 is specifically set to be plural, and the positions and the number of the cutting portions 211 of each slotting cutter 210 are different, so that different slotting cutters 210 can be selected according to the number and the positions of the grooves to be processed, and the practicability of the slotting cutter is greatly increased.

As shown in fig. 1 to 3, on the basis of the above embodiment, the slotting cutter 210 is provided with an inclined guide protrusion 212, the cutter housing 220 is provided with an inclined guide groove 221, the guide protrusion 212 is movable in the direction of the guide groove 221 when the cutting end 110 is pressed so that the slotting cutter 210 protrudes from the side of the cutter housing 220, and the guide protrusion 212 is embedded in the guide groove 221 when the cutting end 110 is not pressed.

It should be noted that, the guiding groove 221 and the guiding protrusion 212 may change the moving path of the slotting cutter 210, and although the slotting cutter 210 moves along with the cutting end 110 toward the rotating end 120, the guiding groove 221 and the guiding protrusion 212 may enable the slotting cutter 210 to extend or retract from the side of the cutter case 220.

As shown in fig. 1 to 3, on the basis of the above embodiment, a fixed limiting member 300 is provided in the tool holder 100, and the end of the tool sleeve 220 is in abutting connection with the limiting member 300, and the limiting member 300 can prevent the tool sleeve 220 from moving when the cutting end 110 is pressed.

It should be noted that, one end portion of the cutter sleeve 220 is provided with a fixed end 223 (as shown in fig. 2), after the assembly is completed, the fixed end 223 of the cutter sleeve 220 is in abutting connection with the limiting member 300, and since the limiting member 300 is fixed in the cutter holder 100, the cutter sleeve 220 will not move when the cutting end 110 moves, and the slotting cutter 210 will move along with the cutting end 110, so that the cutting portion 211 of the slotting cutter 210 can extend out from the side surface of the cutter sleeve 220.

As shown in fig. 1 to 3, in the above embodiment, a return spring 400 for returning the cutting end 110 and the slotting cutter 210 is provided in the tool holder 100, and the cutting end 110 is connected to the return spring 400 in a linked manner.

It should be noted that, one end of the return spring 400 is in abutting connection with the cutting end 110, when the cutting end 110 moves toward the rotating end 120 under the action of the end surface of the machined part, the cutting end 110 compresses the return spring 400, and when no external force is applied, the cutting end 110 and the slotting cutter 210 can return to the original positions under the action of the elastic force of the return spring 400, so that the slotting cutter 210 is retracted into the cutter sleeve 220 from the side.

As shown in fig. 1 to 3, in the above embodiment, in a preferred embodiment, the middle portion of the cutter sleeve 220 is provided with a receiving groove 222, and the slotting cutter 210 is movably disposed in the receiving groove 222.

As shown in fig. 1 to 3, the cutter assembly 200 further includes a connecting sleeve 500 for preventing the slotting cutter 210 from falling from the cutter sleeve 220, and the connecting sleeve 500 is sleeved on the cutter sleeve 220 and the slotting cutter 210.

It should be noted that, since one end of the receiving groove 222 is of an open structure, the slotting cutter 210 may be removed from the receiving groove 222 of the cutter case 220 during rotation of the cutter assembly 200 without the connecting sleeve 500.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Claims

1. A telescopic slotting cutter, comprising:

2. A telescopic slotting cutter according to claim 1 wherein: the number of the cutting parts is at least two, and the cutting parts are arranged at intervals.

3. A telescopic slotting cutter according to claim 1 wherein: the cutting groove knife is provided with an inclined guide protrusion, the knife sleeve is provided with an inclined guide groove, the guide protrusion can move along the direction of the guide groove when the cutting end is pressed, so that the cutting groove knife extends out of the side face of the knife sleeve, and the guide protrusion is embedded in the guide groove when the cutting end is not pressed.

4. A telescopic slotting cutter as claimed in claim 3 wherein: the cutter holder is internally provided with a fixed limiting piece, the end part of the cutter sleeve is in abutting connection with the limiting piece, and the limiting piece can prevent the cutter sleeve from moving when the cutting end is pressed.

5. A telescopic slotting cutter according to claim 1 wherein: the cutter seat is internally provided with a reset spring for resetting the cutting end and the slotting cutter, and the cutting end is connected with the reset spring in a linkage way.

6. A telescopic slotting cutter according to claim 1 wherein: the middle part of the knife sleeve is provided with an accommodating groove, and the slotting cutter is movably arranged in the accommodating groove.

7. A telescopic slotting cutter as claimed in claim 6 wherein: the cutter assembly further comprises a connecting sleeve used for preventing the slotting cutter from falling from the cutter sleeve, and the connecting sleeve is sleeved on the cutter sleeve and the slotting cutter.