CN216126607U

CN216126607U - Three-edge cutter head and blade thereof

Info

Publication number: CN216126607U
Application number: CN202122667794.5U
Authority: CN
Inventors: 项敏杰; 李朦特; 张小燕; 陈燕楠
Original assignee: Hangzhou Chai Tools Co ltd
Current assignee: Hangzhou Chai Tools Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-03-25
Anticipated expiration: 2031-11-02

Abstract

The utility model belongs to the technical field of cutting tool's technique and specifically relates to a trilateral sword dish and cutting edge thereof is related to, it includes blade disc body and fixed connection in the clamping part of blade disc one end terminal surface, the blade disc body is a disc structure, offer the knife slot of dress group that is used for installing the cutting edge on the blade disc, the knife slot of dress group contains a knife slot at least, the knife slot of dress is along radially encircleing and is seted up on the blade disc body, fixed punch combination has been seted up on the blade disc, include a fixed orifices in the fixed punch combination at least, the position one-to-one setting of fixed orifices and knife slot of dress. This application has the effect that improves the utilization ratio of trilateral sword.

Description

Three-edge cutter head and blade thereof

Technical Field

The application relates to the technical field of cutting tools, in particular to a three-edge cutter head and a blade thereof.

Background

The three-edge milling cutter is also called as a three-edge milling cutter, is used for milling the step surface and the groove surface of a metal material with medium hardness and strength, can also be used for processing a non-metal material, and is used for milling the step surface and the groove surface of a material difficult to cut.

The three-face edge in the related art comprises a cutter disc and a plurality of blades, wherein the blades are fixedly connected to the cutter disc, the blades and the cutter disc are connected in an integrated mode, and the cutter disc rotates at a high speed to drive the blades to process a workpiece. Trilateral sword is as an organic whole with the blade because of the blade is connected among the correlation technique, so when one of them blade takes place wearing and tearing or damage, need change whole cutter, and the trilateral sword of body coupling need frequently change the cutter of different models according to different operation situations for trilateral sword cutter's utilization ratio is lower.

SUMMERY OF THE UTILITY MODEL

In order to improve the utilization ratio of trilateral sword, this application provides a trilateral sword blade disc and blade thereof.

In a first aspect, the present application provides a three-edge cutter head with removable blades, which adopts the following technical scheme:

the utility model provides a trilateral sword blade disc, includes blade disc body and fixed connection in the clamping part of blade disc one end terminal surface, the blade disc body is a disc structure, set up the knife equipment groove group that is used for installing the blade on the blade disc, knife equipment groove group contains a knife equipment groove at least, knife equipment groove is along radially encircleing seting up on the blade disc body, fixed punch combination has been seted up on the blade disc, at least, include a fixed orifices in the fixed punch combination, the position one-to-one setting of fixed orifices and knife equipment groove.

Through adopting above-mentioned technical scheme, install the blade disc body on subsequent cutting machine through the clamping part, the dress sword groove is used for installing the blade, after follow-up blade is installed in the dress sword groove, installs the blade through mounting such as fixed orifices and corresponding bolt to this realization blade is removable, makes when a certain one of a plurality of blades takes place to damage and need to be changed, and operating personnel only need change the blade that damages, need not to change whole cutter, with this utilization ratio that improves trilateral sword.

Preferably, the cutter head body comprises a left-hand cutter head and a right-hand cutter head which are fixedly connected, the cutter groove assembling groups are arranged in two groups and are respectively arranged on the left-hand cutter head and the right-hand cutter head, the two groups of cutter groove assembling groups are arranged in a staggered and matched mode, and the cutter groove assembling groups on the left-hand cutter head and the right-hand cutter head face oppositely.

Through adopting above-mentioned technical scheme, set up the dress cutter groove group that the orientation is opposite on left hand blade disc and right hand blade disc respectively for can install two rows on the blade disc, and the opposite blade of orientation, with this work that realizes trilateral cutting of trilateral sword, two sets of dress cutter groove group are the cross-coordination, make when the blade disc is rotatory cuts, every section all has the blade to carry out just cutting work to the work piece, and the dispersed cutting power improves the cutting effect.

Preferably, the left-hand cutter disc and the right-hand cutter disc are both provided with chip removal grooves, and the chip removal grooves are communicated with the chip containing grooves.

Through adopting above-mentioned technical scheme, the piece that the blade was cuted down is discharged through the antidandruff groove, reduces the piece because of unable discharge and causes the possibility of jam.

Preferably, the left-hand cutter head and the right-hand cutter head are provided with guide ribs convenient for installation of the blades, and the guide ribs correspond to the cutter containing grooves in position.

By adopting the technical scheme, the guide convex ribs play a role in guiding and positioning, so that the subsequent blades can be conveniently installed.

Preferably, the left-hand cutter disc and the right-hand cutter disc are provided with blade protecting grooves for protecting blades.

By adopting the technical scheme, the blade with three edges is generally designed to be capable of cutting on each side, so that the edge protection groove is arranged, the edges on the blade are protected, and the possibility of damage to the blade is reduced.

In a second aspect, the present application provides a blade, which adopts the following technical solution:

preferably, the blade is installed in the knife loading groove, the blade includes radial cutting part and axial cutting part, radial cutting part is located the blade respectively and follows the four limits of direction of height, axial cutting part sets up on a blade terminal surface, and sets up along blade length direction, radial cutting part and axial cutting part mutually perpendicular set up, the blade on left hand blade dish and the right hand blade dish sets up opposite direction.

By adopting the technical scheme, the blade comprises the radial edge part and the axial edge part, when the cutter head rotates at a high speed to perform cutting work, the radial edge part performs cutting along the radial direction of the workpiece, and the axial edge part performs cutting along the axial direction of the workpiece, so that three sides of the workpiece are cut.

Preferably, the blade is provided with corresponding holes corresponding to the fixing holes along the direction of the thick bottom.

Through adopting above-mentioned technical scheme, will correspond the fixed orifices of pore pair, insert into fixed orifices and correspond the hole with mounting such as bolt again and install fixedly to install the blade on the blade disc body, realize the dismouting of blade.

Preferably, the bottom end of the blade is provided with a guide groove in matched connection with the guide rib, and a gap exists between the bottom end of the guide groove and the top end of the guide rib.

Through adopting above-mentioned technical scheme, the direction bead plays the guide effect, and through the quick accurate location installation of realization blade of direction bead and direction recess, and there is the clearance in direction recess bottom and direction bead and make when cutting work, can have certain radiating effect.

Preferably, the cross section of the blade in the horizontal direction is a parallelogram.

By adopting the technical scheme, the parallel tetrahedral blade has better processing strength and precision.

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

1. the cutter head body is arranged on a subsequent cutting machine through the clamping part, the cutter containing groove is used for installing the blades, after the subsequent blades are arranged in the cutter containing groove, the blades are installed through fixing pieces such as fixing holes and corresponding bolts, so that the blades can be detached, when one of the blades is damaged and needs to be replaced, an operator only needs to replace the damaged blade without replacing the whole cutter, and the utilization rate of three edges is improved;

2. the cutter head is provided with a cutter groove group with opposite directions, and the cutter head is provided with two rows of blades with opposite directions, so that three-edge and three-face cutting is realized;

3. the blade includes radial cutting part and axial cutting part, radial cutting part is located the blade respectively and follows the four limits of direction of height, axial cutting part sets up on a blade terminal surface, and sets up along blade length direction, radial cutting part and axial cutting part mutually perpendicular set up, the blade on left hand blade dish and the right-hand blade dish sets up opposite direction.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present application;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 3 is a plan view of embodiment 1 of the present application;

FIG. 4 is a schematic view of the overall structure of embodiment 2 of the present application;

FIG. 5 is a top view of example 2 of the present application;

FIG. 6 is an overall installation view of the present application;

fig. 7 is a plan view of embodiment 3 of the present application.

Description of reference numerals: 1. a cutter head body; 2. a clamping portion; 3. assembling a cutter groove group; 31. a cutter installing groove; 4. fixing the hole group; 41. a fixing hole; 5. a left-hand cutter head; 6. a right-hand cutter head; 7. a chip groove is removed; 8. a guide rib; 9. a blade protecting groove; 10. a blade; 101. a radial blade portion; 102. an axial blade portion; 11. a corresponding hole; 12. and a guide groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

Example 1:

the embodiment of the application discloses three-edge cutter disc with detachable blades.

As shown in fig. 1 and 2, a three-edge cutter head with a detachable blade 10 includes a cutter head body 1, a holder 2, a set of cutter grooves 3, and a set of fixed holes 4.

Cutter head body 1 is the disc, and 2 body coupling of clamping part are at the terminal surface of 1 one end of cutter head body, offer the trompil that is used for with follow-up machine installation on the clamping part 2, and the trompil runs through clamping part 2 and cutter head body 1 along 2 direction of height of clamping part, and the trompil is established at centre gripping handle central part.

The cutter groove group 3 is arranged on the cutter head body 1, and the cutter groove group 3 is positioned on the end face of the cutter head body 1 and close to the circumferential side. The tool loading groove group 3 at least comprises one tool loading groove 31, in this embodiment, five tool loading grooves 31 are provided, and the five tool loading grooves 31 are uniformly wound along the circumferential direction of the cutter head body 1.

The fixed hole group 4 is arranged on the cutter head body 1 and is arranged corresponding to the positions of the tool containing grooves 31 one by one, and the fixed holes 41 penetrate through the cutter head body 1. The fixing hole group 4 at least includes one fixing hole 41, in this embodiment, there are five fixing holes 41, and five fixing holes 41 correspond to five tool receiving grooves 31 one by one.

As shown in fig. 1 and 2, the cutter head body 1 includes a left-hand cutter head 5 and a right-hand cutter head 6, and the left-hand cutter head 5 and the right-hand cutter head 6 are integrally connected. The left-hand cutter head 5 and the right-hand cutter head 6 are identical in shape, size and thickness.

The tool holding grooves 31 are arranged in two groups 3, one group is arranged on the left-hand cutter head 5, the other group is arranged on the right-hand cutter head 6, and each of the two groups of tool holding grooves 31 has five tool holding grooves 31. The two groups of cutter slots 3 are arranged in a staggered mode, and the directions of the two groups of cutter slots 3 are opposite. In this embodiment, the cutter groove groups 3 on the left-hand cutter head 5 and the right-hand cutter head 6 are arranged oppositely.

As shown in fig. 1 and 3, the left-hand cutter head 5 and the right-hand cutter head 6 are both provided with chip removing grooves 7, and the chip removing grooves 7 are communicated with the cutter accommodating grooves 31. One end of the chip removing groove 7 extends to the outer side of the cutter head, so that the chips are conveniently discharged. The chip groove 7 is also provided with an arc-shaped structure which plays a guiding role, so that the chips are discharged along the side edge of the chip groove 7.

The left-hand cutter head 5 and the right-hand cutter head 6 are integrally provided with guide ribs 8, and the guide ribs 8 are arranged on the end face of the cutter accommodating groove 31 in a protruding mode. Each knife containing groove 31 is provided with a guiding convex rib 8, and the position of the guiding convex rib 8 corresponds to the knife containing groove 31.

As shown in fig. 2 and 3, the left-hand cutter head 5 and the right-hand cutter head 6 are provided with edge protection grooves 9, and the edge protection grooves 9 are used for protecting the blades 10. The blade protecting groove 9 is a circular arc-shaped groove corresponding to the blade 10.

The implementation principle is as follows:

install blade disc body 1 on subsequent cutting machine through clamping part 2, dress sword groove 31 is used for installing blade 10, install behind dress sword groove 31 when follow-up blade 10, install blade 10 through mounting such as fixed orifices 41 and corresponding bolt, with this detachability that realizes blade 10, make when a certain one of a plurality of blades 10 takes place to damage and need to be changed, operating personnel only need change the blade 10 that damages, need not to change whole cutter, with this utilization ratio that improves three edges.

Example 2:

the embodiment of the application discloses a blade, blade 10 uses with the cooperation of the three-edge blade disc in embodiment 1, installs blade 10 on blade disc body 1 in order to carry out cutting work.

As shown in fig. 4 and 5, the insert 10 includes a radial blade portion 101 and an axial blade portion 102. The radial blade 101 is four sides of the insert 10 in the height direction, and the axial blade 102 is two sides of one end surface of the insert 10 in the longitudinal direction of the insert 10. The radial blade 101 and the axial blade 102 are perpendicular to each other. The blades 10 on the left-hand cutter disc 5 and the right-hand cutter disc 6 are arranged in opposite directions, and the radial blade parts 101 on the two cutter discs are arranged away from each other.

The radial blade 10 is used for cutting the workpiece in the radial direction, and the axial blade 10 is used for cutting the workpiece in the axial direction. For example, when the insert 10 performs a grooving work on a workpiece, the radial insert 10 is used for machining the groove depth of the workpiece, and the axial insert 10 is used for machining both sides in the groove.

In the present embodiment, each tool accommodating slot 31 is provided with one blade 10, so that a total of ten blades 10 are provided, and five blades are provided on each of the left-hand tool holder and the right-hand tool holder. The blade 10 is a rectangular parallelepiped blade.

As shown in fig. 4 and 5, the blade 10 is provided with a corresponding hole 11, and the corresponding hole 11 is disposed corresponding to the fixing hole 41. The fixing holes 41 and the corresponding holes 11 are aligned and mounted using corresponding fixing members. The fixing piece can be selected from bolts, expansion screws, fixing pin shafts and the like, and the installation effect in the embodiment is met.

The bottom end of the blade 10 is provided with a guide groove 12 which is connected with the guide convex rib 8 in a matching way, the shape of the guide convex rib 8 is the same as that of the guide groove 12, and a gap exists between the bottom end of the guide groove 12 and the top end of the guide convex rib 8, so that heat dissipation is facilitated.

The implementation principle is as follows:

as shown in fig. 6, the guide groove 12 of the blade 10 is aligned with the mounting rib of the cutter head, the guide groove 12 is in abutting fit with the mounting rib, the fixing hole 41 is aligned with the counter-rotating hole, and a fixing member such as a bolt is inserted into the fixing hole 41 and the abutting hole to mount the blade 10 on the cutter head; the blades 10 on the left-hand cutter head 5 and the right-hand cutter head 6 perform cutting work on three sides of the workpiece.

Example 3:

unlike the blade 10 in embodiment 2, the blade 10 in this embodiment has a parallelogram-shaped interface in the horizontal direction.

As shown in fig. 7, one side surface of the insert 10 is a reference surface, the side surface adjacent to the reference surface is a flank surface, and an intersection line between the reference surface and the flank surface is a radial edge portion 101. The included angle between the reference surface and the rear cutter surface is 80 degrees +/-15 degrees, the larger the included angle between the reference surface and the rear cutter surface is, the higher the strength of the cutter tip is, the better the heat dissipation is, and the cutter tip is more suitable for heavy cutting; the smaller the included angle between the reference surface and the rear cutter surface is, the smaller the cutting stress is, and the higher the machining precision is.

And the operator selects the blades with different included angles for cutting according to different processing objects.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a trilateral sword blade disc of dismantled and assembled blade, includes blade disc body (1) and fixed connection in clamping part (2) of blade disc one end terminal surface, blade disc body (1) is a disc structure, its characterized in that: offer dress knife groove group (3) that are used for installing blade (10) on the blade disc, dress knife groove group (3) contain one dress knife groove (31) at least, dress knife groove (31) are along radially encircleing and are seted up on blade disc body (1), fixed punch combination (4) have been seted up on the blade disc, at least, include one fixed orifices (41) in fixed punch combination (4), the position one-to-one setting of fixed orifices (41) and dress knife groove (31).

2. The removable bladed three sided cutterhead of claim 1, wherein: blade disc body (1) includes left hand blade disc (5) and right hand blade disc (6), left hand blade disc (5) and right hand blade disc (6) fixed connection, dress banks (3) are equipped with two sets ofly, set up respectively on left hand blade disc (5) and right hand blade disc (6), and two sets of dress banks (3) crisscross cooperation setting, dress banks (3) on left hand blade disc (5) and right hand blade disc (6) orientation is opposite.

3. The removable bladed three sided knife deck of claim 2, wherein: the left-hand cutter head (5) and the right-hand cutter head (6) are both provided with chip removing grooves (7), and the chip removing grooves (7) are communicated with the chip containing grooves (31).

4. The removable bladed three sided knife deck of claim 2, wherein: the left-hand cutter head (5) and the right-hand cutter head (6) are provided with guide ribs (8) convenient for installation of the blades (10), and the positions of the guide ribs (8) correspond to the positions of the cutter accommodating grooves (31).

5. The removable bladed three sided knife deck of claim 2, wherein: the left-hand cutter head (5) and the right-hand cutter head (6) are provided with edge protection grooves (9) for protecting the blades (10).

6. A blade, characterized by: the blade (10) is installed in the knife loading groove (31) on the three-edge cutter head of any one of claims 2 to 5, the blade (10) comprises a radial edge part (101) and an axial edge part (102), the radial edge part (101) is respectively located on four sides of the blade (10) along the height direction, the axial edge part (102) is arranged on one end face of the blade (10) and is arranged along the length direction of the blade (10), the radial edge part (101) and the axial edge part (102) are mutually vertically arranged, and the blades (10) on the left-hand cutter head (5) and the right-hand cutter head (6) are arranged in opposite directions.

7. A blade according to claim 6, wherein: the blade (10) is provided with a corresponding hole (11) corresponding to the fixing hole (41) along the thick bottom direction.

8. A blade according to claim 6, wherein: the bottom end of the blade (10) is provided with a guide groove (12) which is connected with the guide convex rib (8) in a matched mode, and a gap exists between the bottom end of the guide groove (12) and the top end of the guide convex rib (8).

9. A blade according to claim 6, wherein: the section of the blade (10) in the horizontal direction is a parallelogram.