CN114653977A - Numerical control cutter convenient to simple and easy installation - Google Patents

Abstract

The invention discloses a numerical control cutter convenient for simple installation, belonging to the field of numerical control cutters, wherein a plurality of rotatable elastic insertion sheets are additionally arranged in a cutter handle and a plurality of embedded plates which are in one-to-one correspondence with embedded cavities are annularly distributed on the inner wall of the cutter handle, when in installation, the cutter handle is only required to be embedded in the installation cavity of the cutter handle, at the moment, the plurality of embedded plates and the plurality of embedded cavities are embedded one by one for preliminary fixation, then a plurality of elastic insertion sheets which are initially accommodated in the cutter handle are rotated through a magnetic rotating shaft, an end part layer on each elastic insertion sheet is rotated out and embedded in an embedded groove of the embedded plate, after the end part layer and the embedded plates are tightly embedded, the fixed connection between the cutter handle and the embedded plates is realized, compared with the prior art, locking pieces such as screws are not required to be used for fixation, the connecting area of the elastic insertion sheets is increased, the connection stability is enhanced, when in disassembly, only the elastic insertion sheets are required to be reversely rotated, the separation between a plurality of elastic insertion pieces and the embedded plate can be realized, and the disassembly is completed.

Description

Numerical control cutter convenient to simple and easy installation

Technical Field

The invention relates to the field of numerical control cutters, in particular to a numerical control cutter convenient to install simply.

Background

The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool provided with a program control system. When the numerical control machine tool is used for processing, a blank material of a workpiece is ground and cut by adopting a numerical control processing cutter so as to realize processing.

The existing numerical control cutter is generally fixed to a cutter holder in a screw mode, the area of a connecting fixed point is small, the cutter can be subjected to grinding processing or vibration when moving due to contact parts during machining, certain gaps exist in screw threads of screw connection, looseness easily occurs when vibration is carried out during moving, the cutter is enabled to be wholly deviated at a certain angle, and due to the adoption of the screw thread connection mode, when disassembly and replacement are carried out, the screw needs to be loosened and screwed, the installation is difficult, and quick installation and use cannot be realized.

Therefore, the numerical control cutter convenient to install simply is provided to effectively solve the problems in the prior art.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a numerical control cutter convenient for simple installation, a plurality of rotatable elastic insertion sheets are additionally arranged in a cutter handle, a plurality of embedded plates which are in one-to-one correspondence with embedded cavities are annularly distributed on the inner wall of the cutter holder, when the numerical control cutter is installed, the cutter handle is only required to be embedded in the installation cavity of the cutter holder, the embedded plates and the embedded cavities are embedded one by one for preliminary fixation, a plurality of elastic insertion sheets which are accommodated in the cutter handle in an initial state are rotated through a magnetic rotating shaft, an end layer on each elastic insertion sheet is rotated out and embedded in an embedded groove of the embedded plate, after the end layers and the embedded plates are tightly embedded, the fixed connection between the cutter handle and the embedded plates is realized, compared with the prior art, the fixing is not required to adopt locking pieces such as screws and the like for fixation, the connection area between the cutter handle and the embedded plates is increased, the connection stability is increased, when the cutter is disassembled, only need the reversal rotation elasticity inserted sheet, can realize a plurality of elasticity inserted sheets and inlay the breaking away from between establishing the board, accomplish the dismantlement.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a numerical control cutter convenient to simple and easy installation, handle of a knife and tool bit and be used for the handle of a knife to inlay the blade holder of establishing the installation including interconnect, set up the installation cavity with handle of a knife top looks adaptation on the blade holder, the cavity recess that is used for tool bit and handle of a knife bottom portion to run through is seted up to the installation cavity bottom, the tool bit runs through the blade holder and extends downwards, the interior bottom of installation cavity distributes along its circumference and has a plurality of inlays to establish the board, handle of a knife top portion lateral wall annular is seted up a plurality of lower extremes and is had the open-ended and inlays and establish the chamber, and a plurality of inlays to establish the chamber and establish the board one-to-one setting, the rotation chamber has still been seted up to handle of a knife top portion, and the inside movable chamber that is linked together with the rotation chamber of seting up of handle of a knife, a plurality of and a plurality of elasticity that set up the board crisscross setting of inlaying are installed through rotating the fan annular to the inside of handle of a knife outside the edge side of a knife and still set up the arc wall, and the rotation chamber is linked together the setting of arc, it installs the magnetism axis of rotation, it inserts the elasticity that the magnetism axis of rotation to establish the board crisscross setting through rotating the fan to inlay on the end wall The elastic insertion piece is movably connected in the arc-shaped groove.

Further, the handle of a knife is including the bulge that is located the top and the portion of inserting of locating the bulge bottom, and the bulge external diameter is greater than the portion of inserting, and the bulge inlays to be established and installs in the installation intracavity, and a plurality of inlays to establish the chamber and excavate in bulge department.

Furthermore, inlay and establish the board and inlay and establish the chamber and all be half ellipse shape structure of mutual matching, inlay and establish the board and inlay the one side cladding that the chamber was laminated mutually and have the skid resistant course.

Furthermore, the elastic insertion piece comprises an elastic extrusion layer and end layers positioned on two sides of the elastic extrusion layer, the two end layers are respectively a fixing portion and an extending portion, the fixing portion is fixedly connected to the end portion of the arc-shaped groove, and the extending portion is movably connected in the arc-shaped groove.

Furthermore, the rotating fan is fixedly connected to the inner end wall of the extending portion, which is close to the elastic extrusion layer, the arc length of the extending portion is larger than the arc length of the inner diameter of the embedding groove, and after the extending portion rotates along with the rotating fan, the extending portion is connected between the embedding groove and the arc groove.

Furthermore, the elastic extrusion layer comprises an elastic bag positioned between the two end part layers, a plurality of compression springs are distributed on the inner side of the elastic bag, and the two ends of the plurality of compression springs are respectively connected to the opposite end walls of the two end part layers.

Furthermore, the outer end wall of the extension part is coated with a flexible pad, and the extension part and the inner wall of the embedding groove are arranged in a magnetic attraction manner.

Furthermore, the magnetic rotating shaft is made of magnetic materials, and an electromagnetic ring which is arranged in a magnetic mode with the magnetic rotating shaft is embedded in the top end of the protruding portion.

Furthermore, the top end of the magnetic rotating shaft is fixedly connected with a rotating disc which is rotatably connected with the inner wall of the top end of the mounting cavity, and the top end part of the rotating disc is provided with a rotating handle.

A method for installing a numerical control cutter convenient to install simply comprises the following steps: the method comprises the following steps:

s1, firstly, a technician sleeves the combined structure of the cutter handle and the cutter head in the installation cavity of the cutter holder, the cutter head and the lower end part of the cutter handle penetrate through the cutter holder and extend downwards, and a plurality of embedding cavities on the cutter handle are embedded and connected with a plurality of embedding plates in a one-to-one correspondence manner;

s2, secondly, rotating the magnetic rotating shaft, wherein the magnetic rotating shaft drives the elastic insertion pieces to rotate one by one into the embedding grooves of the embedding plates, so that the elastic insertion pieces are tightly embedded and connected with the embedding grooves, and the fixed connection between the knife handle and the knife holder is completed;

s3, when the tool is disassembled, the magnetic rotating shaft rotates reversely, the elastic insertion pieces are separated from the embedded plates one by one, and the tool holder can be disassembled by pulling the tool holder upwards.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the scheme is characterized in that a plurality of rotatable elastic insertion pieces are additionally arranged in the knife handle, a plurality of embedded plates which correspond to the embedded cavities one by one are annularly distributed on the inner wall of the knife holder, when the knife is installed, the knife handle is only required to be embedded in the installation cavity of the knife holder, at the moment, the embedded plates and the embedded cavities are embedded one by one to be preliminarily fixed, a plurality of elastic insertion pieces which are initially stored in the knife handle are rotated through the magnetic rotating shaft, the end part layers on the elastic insertion pieces are rotated out and embedded in the embedded grooves of the embedded plates, after the end part layers and the embedded plates are tightly embedded, the fixed connection between the knife handle and the embedded plates is realized, compared with the prior art, locking pieces such as screws are not required to be used for fixing, the connecting area between the elastic insertion pieces and the knife handle is increased, the connection stability is increased, when the knife is disassembled, only the elastic insertion pieces are required to be reversely rotated, the separation between the elastic insertion pieces and the embedded plates can be realized, the disassembly is completed, and the operation is simple and feasible.

(2) Elastic insert piece includes elastic extrusion layer and the tip layer that is located elastic extrusion layer both sides, two tip layers are fixed part and extension respectively, fixed part fixed connection is in the tip of arc wall, the extension activity links up in the arc wall, it is close to on the inner end wall on elastic extrusion layer to rotate fan fixed connection in the extension, the arc length of extension is greater than inlays the internal diameter arc length who establishes the groove, after the extension rotates along with rotating the fan, the extension links up and establishes between groove and the arc wall in the embedding, and extension outer end wall cladding has flexible pad, and the extension is with inlay and establish the setting of inslot wall magnetism, link up the back mutually when extension and arc chamber, utilize the magnetism to inhale the effect, improve the inseparable effect that links up between the two.

(3) Elastic extrusion layer is including being located the elastic bag package between two tip layers, elastic bag package inboard distributes has a plurality of compression spring, and the both ends of a plurality of compression spring are connected respectively on two tip layer relative end wall, under initial condition, the extension is accomodate in the arc wall, be connected the back with the blade holder, a plurality of inlays and establishes the board and inlay one by one and locate a plurality of intracavity of establishing that inlay, this moment, through rotating the magnetism axis of rotation, the magnetism axis of rotation drives a plurality of elasticity inserts the rotation, make the extension inlay after rotatory inlay and establish the inlaying of board and establish the inslot, thereby realize elasticity insert the piece and inlay the fixed connection between establishing the board, and elastic extrusion layer plays the shore effect to the extension on tip layer under its elastic action, make the tip layer closely inlay and locate and establish the inslot.

(4) The magnetic rotating shaft is made of a magnetic material, the electromagnetic ring arranged with the magnetic rotating shaft in a magnetic mode is embedded inside the top end of the protruding portion, after the magnetic rotating shaft is rotated, the electromagnetic ring is started, the electromagnetic ring plays a magnetic-absorption positioning role for the magnetic rotating shaft, the improvement of the stability of the magnetic rotating shaft after rotation is facilitated, and therefore the position of the elastic insertion piece after rotation is convenient to limit.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic view of the tool holder of the present invention;

FIG. 3 is a schematic view of the present invention in disassembled form at the handle;

FIG. 4 is a partial cross-sectional view at the shank of the present invention;

FIG. 5 is a partial sectional view of the second embodiment of the present invention at the shank;

FIG. 6 is an internal top view of the present invention when installed;

FIG. 7 is a comparative schematic view of the inventive elastic insert before and after it has been rotated;

FIG. 8 is a top view of the interior of the present invention as it is installed with the resilient insert rotated into the nest plate;

fig. 9 is a schematic structural view of the present invention after installation.

The reference numbers in the figures illustrate:

the tool comprises a tool handle 1, a tool holder 101 embedding cavity, a movable cavity 102, a tool bit 2, a tool holder 3, an embedding plate 4, an embedding groove 401, a magnetic rotating shaft 5, an elastic insertion sheet 6, an end layer 601, an elastic extrusion layer 602, a rotating fan 7, a rotating disc 8 and an electromagnetic ring 9.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

please refer to fig. 1-2, a numerical control cutter convenient to simple and easy installation, knife holder 1 and tool bit 2 and be used for the knife holder 1 that interconnect inlays the blade holder 3 of establishing the installation, set up the installation cavity with 1 top looks adaptation of knife holder on the blade holder 3, the cavity slot that is used for tool bit 2 and 1 bottom of the handle of a knife portion to run through is seted up to the installation cavity bottom, tool bit 2 runs through blade holder 3 and extends downwards, knife holder 1 is including the bulge that is located the top and the portion of inserting of locating the bulge bottom, the bulge outer diameter is greater than the portion of inserting, the bulge inlays to establish and installs in the installation cavity, and a plurality ofly inlays establishes chamber 101 and cuts in bulge department, set up the bulge that the diameter enlarges, so that install knife holder 1 and blade holder 3, and the increase of installation sectional area is favorable to improving and is connected the steadiness.

The interior bottom of installation cavity has a plurality of to inlay and establishes board 4 along its circumference distribution, and 1 top portion of handle of a knife outside wall annular is seted up a plurality of lower extremes and has the open-ended and inlay and establish chamber 101, and a plurality of chamber 101 and a plurality of 4 one-to-one settings of establishing of inlaying of establishing, inlays to establish board 4 and inlays to establish chamber 101 and all be half oval structure of mutual matching, inlays to establish board 4 and inlays the one side cladding of establishing chamber 101 and laminating mutually and have the skid resistant course.

Referring to fig. 3-6, the top end of the handle 1 is further provided with a rotating cavity, the handle 1 is provided with a movable cavity 102 inside, the movable cavity is communicated with the rotating cavity, the inner portion of the outer edge of the handle 1 is further provided with a plurality of arc-shaped grooves communicated with the embedding grooves 401, the inner ends of the arc-shaped grooves are communicated with the movable cavity 102, the rotating cavity is rotatably provided with a magnetic rotating shaft 5, the outer end wall of the magnetic rotating shaft 5 is annularly provided with a plurality of elastic insertion pieces 6 which are staggered with the plurality of embedding plates 4 through rotating fans 7, and the elastic insertion pieces 6 are movably connected in the arc-shaped grooves.

Specifically, the elastic insert 6 includes an elastic extrusion layer 602 and end layers 601 located on both sides of the elastic extrusion layer 602, the two end layers 601 are respectively a fixing portion and an extending portion, the fixing portion is fixedly connected to the end portion of the arc-shaped groove, the extending portion is movably connected to the arc-shaped groove, the rotating fan 7 is fixedly connected to the inner end wall of the extending portion close to the elastic extrusion layer 602, the arc-shaped length of the extending portion is larger than the inner diameter arc-shaped length of the embedding groove 401, after the extending portion rotates along with the rotating fan 7, please refer to fig. 7-8, the extending portion is connected between the embedding groove 401 and the arc-shaped groove, and the fixed connection between the tool apron 2 and the tool holder 1 can be completed, as shown in fig. 9.

Referring to fig. 7-8, wherein the elastic extrusion layer 602 includes an elastic bag located between two end layers 601, a plurality of compression springs are distributed inside the elastic bag, and two ends of the compression springs are respectively connected to the opposite end walls of the two end layers 601, in an initial state, the extension portions are received in the arc-shaped grooves, after the knife handle 1 is connected to the knife holder 3, the plurality of embedding plates 4 are embedded in the plurality of embedding cavities 101 one by one, at this time, the magnetic rotation shaft 5 is rotated to drive the plurality of elastic insertion pieces 6 to rotate, so that the extension portions are embedded in the embedding grooves 401 of the embedding plates 4 after rotating, thereby realizing the fixed connection between the elastic insertion pieces 6 and the embedding plates 4, and the elastic extrusion layer 602 supports the extension portions of the end layers 601 under the elastic action thereof, so that the end layers 601 are tightly embedded in the embedding grooves 401, the outer end walls of the extension portions of the end layers 601 are wrapped with flexible pads, and the extension part is magnetically attracted with the inner wall of the embedding groove 401.

Please refer to fig. 4-5, the magnetic rotation shaft 5 is made of magnetic material, the top end of the protruding portion is embedded with an electromagnetic ring 9 magnetically attracting the magnetic rotation shaft 5, after the magnetic rotation shaft 5 is rotated, the electromagnetic ring 9 is started, the electromagnetic ring 9 plays a role in magnetically attracting and positioning the magnetic rotation shaft 5, which is beneficial to improving the stability of the magnetic rotation shaft 5 after rotation, thereby facilitating the position of the elastic insertion piece 6 after rotation to be limited, the top end of the magnetic rotation shaft 5 is fixedly connected with a rotating disc 8 rotatably connected with the inner wall of the top end of the installation cavity, as shown in fig. 9, the top end of the rotating disc 8 is provided with a rotating handle, so that a technician can rotate the rotation shaft 5.

A method for installing a numerical control cutter convenient to install simply comprises the following steps: the method comprises the following steps:

s1, firstly, a technician sleeves the combined structure of the cutter handle 1 and the cutter head 2 in the installation cavity of the cutter holder 3, the lower end parts of the cutter head 2 and the cutter handle 1 penetrate through the cutter holder 3 and extend downwards, and the multiple embedding cavities 101 in the cutter handle 1 are correspondingly embedded and connected with the multiple embedding plates 4 one by one;

s2, secondly, rotating the magnetic rotating shaft 5, wherein the magnetic rotating shaft 5 drives the elastic insertion pieces 6 to rotate one by one into the embedding grooves 401 of the embedding plates 4, so that the elastic insertion pieces 6 are tightly embedded and connected with the embedding grooves 401, and the fixed connection between the knife handle 1 and the knife holder 3 is completed;

s3, when the tool is disassembled, the magnetic rotating shaft 5 is rotated reversely, the elastic insertion pieces 6 are separated from the embedded plates 4 one by one, and the tool holder 1 is pulled out upwards to complete the disassembly of the tool holder 3.

In the scheme, a plurality of rotatable elastic insertion pieces 6 are additionally arranged in a tool handle 1, and a plurality of embedded plates 4 which are in one-to-one correspondence with the embedded cavities 101 are annularly distributed on the inner wall of the tool holder 3, when the tool handle is installed, only the tool handle 1 needs to be embedded in the installation cavity of the tool holder 3, at the moment, the embedded plates 4 and the embedded cavities 101 are embedded one by one for preliminary fixation, then a plurality of elastic insertion pieces 6 which are initially stored in the tool handle 1 are rotated through a magnetic rotating shaft 5, an end layer 601 on each elastic insertion piece 6 is rotated out and embedded in an embedded groove 401 of the embedded plate 4, after the end layer 601 is tightly embedded with the embedded plate 4, the fixed connection between the tool handle 1 and the embedded plate 4 is realized, compared with the prior art, the fixing by adopting locking pieces such as screws and the like is not needed, the connecting areas of the tool handle and the embedded plates are increased, the connecting stability is increased, when the tool handle is disassembled, only the elastic insertion pieces 6 need to be reversely rotated, the separation between the elastic insertion pieces 6 and the embedded plate 4 can be realized, and the disassembly is completed.

The components used in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.

The above; are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims (10)

1. The utility model provides a numerical control cutter convenient to simple and easy installation, includes interconnect's handle of a knife (1) and tool bit (2) and is used for handle of a knife (1) to inlay blade holder (3) of establishing the installation, its characterized in that: the tool apron is characterized in that a mounting cavity matched with the top end of the tool shank (1) is formed in the tool apron (3), hollow grooves for penetrating through the tool bit (2) and the bottom end of the tool shank (1) are formed in the bottom end of the mounting cavity, the tool bit (2) penetrates through the tool apron (3) and extends downwards, a plurality of embedding plates (4) are distributed on the inner bottom of the mounting cavity along the circumferential direction of the mounting cavity, a plurality of embedding cavities (101) with openings at the lower ends are annularly formed in the outer side wall of the top end of the tool shank (1), the embedding cavities (101) and the embedding plates (4) are arranged in a one-to-one correspondence mode, a rotating cavity is further formed in the top end of the tool shank (1), a movable cavity (102) communicated with the rotating cavity is formed in the tool shank (1), a plurality of arc-shaped grooves communicated with the embedding grooves (401) are further formed in the outer edge side of the tool shank (1), and the inner ends of the arc-shaped grooves are communicated with the movable cavity (102), rotate chamber department and rotate and install magnetism axis of rotation (5), install a plurality ofly and a plurality of elasticity that set up that interlock of establishing board (4) inserts piece (6) through rotating fan (7) annular on magnetism axis of rotation (5) outer end wall, elasticity inserts piece (6) activity and links up in the arc wall.

2. The numerical control cutter convenient for simple installation according to claim 1, characterized in that: handle of a knife (1) is including the bulge that is located the top and the portion of inserting of locating the bulge bottom, the bulge external diameter is greater than the portion of inserting, the bulge inlays to be established and installs in the installation intracavity, and a plurality of inlays to establish chamber (101) and excavate in bulge department.

3. The numerical control cutter convenient to install simply according to claim 1, characterized in that: inlay and establish board (4) and inlay and establish chamber (101) and all be half ellipse shape structure of mutual matching, inlay and establish board (4) and inlay the one side cladding of establishing chamber (101) and laminating mutually and have the skid resistant course.

4. The numerical control cutter convenient to install simply according to claim 1, characterized in that: elasticity inserted sheet (6) are including elasticity extrusion layer (602) and tip layer (601) that are located elasticity extrusion layer (602) both sides, two tip layer (601) are fixed part and extension respectively, fixed part fixed connection is in the tip of arc wall, the extension activity links up in the arc wall.

5. The numerical control tool convenient for easy installation according to claim 4, characterized in that: the rotating fan (7) is fixedly connected to the inner end wall of the extension part close to the elastic extrusion layer (602), and the arc length of the extension part is larger than the arc length of the inner diameter of the embedded groove (401).

6. The numerical control tool convenient for easy installation according to claim 5, characterized in that: the elastic extrusion layer (602) comprises an elastic bag positioned between two end layer (601), a plurality of compression springs are distributed on the inner side of the elastic bag, and the two ends of the compression springs are respectively connected to the opposite end walls of the two end layer (601).

7. The numerical control tool convenient for easy installation according to claim 4, characterized in that: the outer end wall of the extension part is wrapped with a flexible pad, and the extension part and the inner wall of the embedding groove (401) are arranged in a magnetic attraction mode.

8. The numerical control cutter convenient to install simply according to claim 1, characterized in that: the magnetic rotating shaft (5) is made of a magnetic material, and an electromagnetic ring (9) magnetically attracted with the magnetic rotating shaft (5) is embedded in the top end of the protruding portion.

9. The numerical control cutter convenient to install simply according to claim 1, characterized in that: the top end of the magnetic rotating shaft (5) is fixedly connected with a rotating disc (8) which is rotatably connected with the inner wall of the top end of the mounting cavity, and a rotating handle is arranged at the top end of the rotating disc (8).

10. The method for installing the numerical control cutter convenient to simply install according to claim 1, is characterized in that: the method comprises the following steps:

s1, firstly, a technician sleeves the combined structure of the cutter handle (1) and the cutter head (2) in the installation cavity of the cutter holder (3), the cutter head (2) and the lower end part of the cutter handle (1) penetrate through the cutter holder (3) and extend downwards, and a plurality of embedding cavities (101) in the cutter handle (1) are embedded and connected with a plurality of embedding plates (4) in a one-to-one corresponding mode;

s2, secondly, rotating the magnetic rotating shaft (5), wherein the magnetic rotating shaft (5) drives the elastic insertion pieces (6) to rotate one by one into the embedding grooves (401) of the embedding plates (4), so that the elastic insertion pieces (6) are tightly embedded and connected with the embedding grooves (401), and the fixed connection between the cutter handle (1) and the cutter holder (3) is completed;

s3, when the tool is disassembled, the magnetic rotating shaft (5) is rotated reversely, the elastic inserting pieces (6) are separated from the embedding plates (4) one by one, and the tool holder (1) is pulled out upwards to complete the disassembly of the tool holder (3).

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