CN214871716U

CN214871716U - Machining cutter and machine tool comprising same

Info

Publication number: CN214871716U
Application number: CN202120349737.XU
Authority: CN
Inventors: 张培亮; 卢军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-11-26
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses a machining cutter and a machine tool comprising the same, which comprises a cutter handle, a cutter and a connecting bolt; the cutter is a hollow mechanism, and the head of the cutter is provided with a cutter head for processing stone; the tool handle comprises a body, wherein a threaded hole section and a unthreaded hole section are arranged in the body along the axis direction of the body, the threaded hole section and the unthreaded hole section are coaxially arranged, and the threaded hole section is communicated with the unthreaded hole section; the unthreaded hole section is matched with the upper part of the cutter, and the connecting bolt penetrates through the upper part of the cutter to be matched with the thread section of the cutter handle, so that the connection and fixation of the cutter and the cutter handle are realized.

Description

Machining cutter and machine tool comprising same

Technical Field

The utility model relates to a machining tool, concretely relates to high accuracy machining cutter includes lathe of this cutter.

Background

The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.

With the continuous improvement of intelligent manufacturing, the requirements on workpiece processing are more and more strict, and the requirements on the cutter are specialized and standardized. For example, in the existing stone processing, due to the stability of stone structure molecules, a plurality of precise instruments adopt stones as core components, but the hardness and the degree of purity of the stone itself are determined by the physical properties of the stones, so that workpieces are difficult to process, the precision requirements of parts are higher and higher, and higher requirements are put on the stone processing, but the mechanical processing cutters in the current market have the following problems:

1. the cutter and the cutter handle are connected through an assembly part, the assembly part is connected with the cutter through threads, and due to the fact that the threads are used for machining the precision, the assembly part and the cutter are connected in a matched mode as precision guarantee, so that the machining cutter concentric precision is difficult to guarantee, the cutter is not concentric, multiple problems occur, such as programming problems, the workpiece precision cannot be guaranteed, and the like.

2. Since the tool is not specialized and the number of the connecting members, the number of positions of the wrench to be attached and detached, and the like are increased, unnecessary length of the tool and restriction of the diameter of the tool are increased, and the rigidity of the tool is lowered, which leads to reduction of machining cutting force, and the like.

3. The disassembly and assembly are inconvenient, the disassembly and assembly of the cutter are completed on a machine tool, the standby time is prolonged, the operation of an operator is inconvenient, and the processing efficiency is reduced.

Disclosure of Invention

The utility model aims at providing a machining cutter reaches lathe including this cutter to the not enough of prior art existence.

In order to achieve the above purpose, the present invention is realized by the following technical solution:

in a first aspect, the utility model discloses a stone machine tool processing tool, which comprises a tool handle, a tool and a connecting bolt;

the cutter is a hollow mechanism, and the head of the cutter is provided with a cutter head for processing stone;

the tool handle comprises a body, wherein a threaded hole section and a unthreaded hole section are arranged in the body along the axis direction of the body, the threaded hole section and the unthreaded hole section are coaxially arranged, and the threaded hole section is communicated with the unthreaded hole section; the unthreaded hole section is matched with the upper part of the cutter, and the connecting bolt penetrates through the upper part of the cutter to be matched with the thread section of the cutter handle, so that the connection between the cutter and the cutter handle is realized.

As a further technical scheme, the upper part of the cutter is conical, and the unthreaded hole section matched with the cutter is also conical.

As a further technical scheme, the cutter is prevented from rotating in the cutting process by an anti-rotation pin between the cutter handle and the cutter.

As a further technical scheme, a first positioning hole is formed in the bottom of the cutter handle, a second positioning hole is formed in the position, corresponding to the bottom of the cutter handle, of the cutter, and the anti-rotation pin is fixed in the first positioning hole or the second positioning hole.

As a further technical scheme, the side surface of the cutter handle is also provided with a plurality of cutter unloading grooves. When the cutter is detached, the cutter detaching groove is matched with the cutter detaching block, and the bottom of the cutter detaching block is pressed at the edge position of the top of the cutter.

As a further technical scheme, the cutter comprises a cylindrical part and a conical part which are integrally formed, the cylindrical part and the conical part are coaxially arranged, the cylindrical part and the conical part are of hollow structures, and a cutter groove for mounting a cutter head is formed in the bottom of the cylindrical part.

As a further technical scheme, the conical part is matched with the unthreaded hole section of the cutter handle.

As a further technical scheme, the upper part of a screw rod of the connecting bolt is a threaded section, the lower part of the screw rod is a polished rod section, a cutter detaching avoiding groove is arranged on the polished rod section, and a circle of cutter detaching avoiding groove is arranged along the circumferential direction of the screw rod.

In a second aspect, the utility model also discloses a machine tool, install on it the machining cutter.

Above-mentioned the utility model discloses an embodiment's beneficial effect as follows:

1. the utility model reduces the number of accessories and further reduces the cumulative error of matching; the clamping precision of the cutter is improved, and the self precision of the cutter is improved;

2. because the middle connecting fittings for connecting the cutter and the cutter handle are removed, the cutter is directly matched with the unthreaded hole section of the cutter handle, so that the length of the cutter is shortened, the rigidity strength of the cutter is improved, and the cutting capacity of the cutter is improved.

3. The tool is convenient to disassemble and assemble, and when the tool is disassembled and assembled, only the disassembling and assembling block needs to be inserted, and the bolt is loosened, so that the problem that the tool is difficult to disassemble under the action of cutting force is solved. The machine operation personnel are convenient, the problem that the machine tool is stopped to assemble and disassemble the cutter is solved, and the effective processing time of the machine tool is prolonged.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

FIG. 1 is an assembly diagram of the present invention;

FIG. 2 is a schematic view of a two-dimensional structure of the tool of the present invention combined with a ripper block;

FIG. 3 is a schematic three-dimensional structure of the tool of the present invention combined with a ripper block;

FIG. 4 is a schematic structural view of the knife handle of the present invention;

FIG. 5 is a schematic structural view of the knife handle of the present invention in combination with the anti-rotation pin;

FIG. 6 is a schematic view of the structure of the cutting tool of the present invention;

fig. 7 is a schematic structural view of the bolt of the present invention;

FIG. 8 and FIG. 9 are schematic structural views of the utility model when the tool holder and the tool are pre-installed;

in the figure: the spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only.

1, a knife handle, 2, a knife detaching block, 3, 4 knife heads, 5 connecting bolts and 6 anti-rotation pins; 1-1 body, 1-2 thread hole sections, 1-3 cutter removing grooves, 1-4 through hole sections and 1-5 positioning holes; 3-1 of a nut positioning table, 3-2 of a conical part, 3-3 of a positioning hole and 3-4 of a cylindrical part; 5-1 thread section and 5-2 cutter removal avoidance groove.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;

for convenience of description, the words "up" and "down" in the present application, if any, are used only to indicate correspondence with the up and down directions of the drawings themselves, and not to limit the structure, but merely to facilitate the description of the present invention and simplify the description, and do not indicate or imply that the equipment or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As the background art introduces, the deficiencies in the prior art, in order to solve the above technical problems, the present invention provides a machining tool and a machine tool including the same.

In a typical embodiment of the present invention, as shown in fig. 1, a machining tool includes a tool shank 1 and a tool 2; the tool handle 1 is used for connecting the tool 2 with a machine tool; the head of the cutter 2 is provided with a cutter head 4 for stone processing; and the knife handle 1 is connected with the cutter 2 through the connecting bolt 5, and the knife handle 1 is connected with the cutter 2 through the anti-rotation pin, so that the relative rotation between the knife handle 1 and the cutter 2 is prevented.

The specific structure of each part is as follows:

as shown in fig. 4, the tool shank 1 comprises a body 1-1, a section of threaded hole section 1-2 and a section of smooth hole section 1-4 are arranged in the body along the axis direction of the body 1-1, the threaded hole section 1-2 and the smooth hole section 1-4 are coaxially arranged, the threaded hole section 1-2 is communicated with the smooth hole section 1-4, the upper section of the threaded hole section 1-2 is used for connecting a machine tool, and the lower section of the threaded hole section 1-2 is used for matching with a rod body of a connecting bolt 5 to connect the tool shank and a tool; the unthreaded hole sections 1-4 are matched with the upper part of the cutter, and the unthreaded hole sections 1-4 are conical.

Further, a knife detaching groove 1-3 is arranged on the side surface of the knife handle, and the knife detaching groove is matched with the knife detaching block 2 at the later stage and used for detaching and replacing the knife handle and the knife; specifically, a plurality of knife detaching grooves 1-3 are provided, and a plurality of knife detaching blocks are also provided correspondingly. The arrangement position of the tool removing grooves 1-3 requires that: when the knife is detached, when the knife detaching block is inserted into the knife detaching groove, the bottom of the knife detaching block is pressed at the edge position of the top of the knife.

Furthermore, a plurality of first positioning holes 1-5 are formed in the outer ring of the bottom of the cutter handle, and the axes of the first positioning holes 1-5 are parallel to the axis of the cutter handle.

As shown in figure 5, the cutter comprises a cylindrical part 3-4 and a conical part 3-2 which are integrally formed, the cylindrical part 3-4 and the conical part 3-2 are coaxially arranged, the cylindrical part 3-4 and the conical part 3-2 are of hollow structures, a cutter groove for mounting a cutter head 4 is formed in the bottom of the cylindrical part 3-4, a second positioning hole 3-3 is formed in the outer ring of the top of the cylindrical part 3-4, the conical part 3-2 is matched with a smooth hole section 1-4 of a cutter handle, and a nut positioning platform 3-1 of a connecting bolt 5 is arranged on the conical part 3-2.

The second positioning holes 3-3 are provided with a plurality of holes, the second positioning holes 3-3 correspond to the first positioning holes 1-5 in position, and anti-rotation pins 6 are fixed in the first positioning holes 1-5 or the second positioning holes to realize the positioning of the tool holder and the tool bar.

Furthermore, the cutter head part is provided with a cutter block mounting groove, and the cutter block is detachably mounted in the cutter block mounting groove.

As shown in fig. 6, the upper portion of the screw of the connecting bolt is a threaded section 5-1, which is matched with the lower portion of the threaded hole section 1-2, the lower portion of the screw is a polished rod section, the polished rod section is provided with a cutter removal avoiding groove 5-2, and the cutter removal avoiding groove 5-2 is provided with a circle of grooves along the circumferential direction of the screw.

The utility model discloses when tearing open the sword, concrete operating method is as follows:

when the cutter needs to be replaced, after the cutter detaching block is inserted into the cutter detaching groove, the cutter detaching block applies downward force to the cutter, and then the connecting bolt 5 is rotated anticlockwise, so that the cutter and the cutter handle are detached.

The embodiment also discloses a processing machine tool, and the mechanical processing tool is mounted on the processing machine tool.

Finally, it is also noted that 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.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A machining tool is characterized by comprising a tool handle, a tool and a connecting bolt;

the tool handle comprises a body, wherein a threaded hole section and a unthreaded hole section are arranged in the body along the axis direction of the body, the threaded hole section and the unthreaded hole section are coaxially arranged, and the threaded hole section is communicated with the unthreaded hole section; the unthreaded hole section is matched with the upper part of the cutter, and the connecting bolt penetrates through the upper part of the cutter to be matched with the thread section of the cutter handle, so that the connection and fixation of the cutter and the cutter handle are realized.

2. The machining tool of claim 1, wherein the upper portion of the tool is tapered and the mating smooth bore section is also tapered.

3. The machining tool of claim 1, wherein the shank and the tool are further secured against rotation by an anti-rotation pin during cutting.

4. The machining tool of claim 3, wherein a first positioning hole is formed in the bottom of the shank, a second positioning hole is formed in a position of the tool corresponding to the bottom of the shank, and the anti-rotation pin is fixed in the first positioning hole or the second positioning hole.

5. The machining tool of claim 1, wherein the shank side is further provided with a relief groove.

6. The machining tool of claim 5, wherein a plurality of the relief grooves are provided.

7. The machining tool of claim 5 wherein the tool relief pocket engages the tool relief block when the tool is removed, the bottom of the block pressing against the top edge of the tool.

8. The machining tool according to claim 5, wherein the tool comprises a cylindrical portion and a conical portion which are integrally formed, the cylindrical portion and the conical portion are coaxially arranged, the cylindrical portion and the conical portion are hollow structures, and a tool slot for mounting the tool bit is formed in the bottom of the cylindrical portion; the conical part is matched with the unthreaded hole section of the knife handle.

9. The machining tool according to claim 1, wherein the screw upper portion of the connecting bolt is a threaded portion, the screw lower portion is a polished rod portion, and a cutter removal avoiding groove is provided in the polished rod portion, the cutter removal avoiding groove being provided with a circle in a circumferential direction of the screw.

10. A machine tool having mounted thereon a machining tool according to any one of claims 1 to 9.