CN216575742U

CN216575742U - Tungsten steel coating round nose milling cutter

Info

Publication number: CN216575742U
Application number: CN202122505478.8U
Authority: CN
Inventors: 方高亮; 陈豪然; 严小军; 李毅
Original assignee: Dongguan Tuobangshuo Industrial Co ltd
Current assignee: Dongguan Tuobangshuo Industrial Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-05-24
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a tungsten steel coating round nose milling cutter, belonging to the technical field of milling cutters, the tungsten steel coating round nose milling cutter comprises a milling cutter handle part and a milling cutter blade part movably connected with the milling cutter handle part, the upper end of the milling cutter handle part is provided with a longitudinal sliding chute and a directional chute which are mutually communicated, the side wall of the milling cutter handle part is also provided with a pair of first threaded holes, the pair of first threaded holes are also communicated with the directional chute, the top end of the milling cutter blade part is fixedly connected with a milling cutter head, the left side wall and the right side wall of the milling cutter blade part, which are close to one end of the milling cutter handle part, are respectively and fixedly connected with a positioning block, the milling cutter blade part is in sliding connection with the longitudinal sliding chute, the pair of positioning blocks are respectively and slidably connected with the directional chute, the inner ends of the milling cutter blade part and the positioning blocks are respectively provided with a second threaded hole, so that personnel can rapidly replace the milling cutter head or the blade part of the round nose milling cutter after being worn, and effectively guarantee the precision and the size of a processed workpiece, the phase change improves the processing performance of the milling machine.

Description

Tungsten steel coating round nose milling cutter

Technical Field

The utility model relates to the technical field of milling cutters, in particular to a tungsten steel coating round nose milling cutter.

Background

Milling cutters, which are rotary cutters having one or more teeth for milling, are used for machining a flat surface, a step, a groove, a formed surface, cutting a workpiece, and the like, and are classified into various types such as end mills, ball mills, saw blade mills, and nose mills according to product types.

The American Bansha and Lagulan develop physical vapor deposition method, the surface of a hard alloy or high-speed steel cutter is coated with a titanium carbide or titanium nitride hard layer, the surface coating method combines the high strength and toughness of a base material with the high hardness and wear resistance of a surface layer, so that the composite material has better cutting performance, a round nose milling cutter is one of cutters made of the material, the round nose milling cutter is mainly used for milling relevant parts such as end surfaces, inclined surfaces or grooves of mechanical workpieces, and a cutting edge at the front end is used for cutting, the round nose milling cutter is widely used in the machining field of relevant mechanical workpieces, the cutter head and the edge of the existing round nose milling cutter are easy to wear, the worn cutter head and the worn edge are continuously used, so that the precision and the size of the machined workpieces are deviated, the machining performance of a milling machine is influenced, and in order to ensure the machining precision of the parts, therefore, the milling cutter needs to be frequently replaced, the existing round nose milling cutter is inconvenient for workers to replace, and time and labor are wasted when the operation is carried out.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a tungsten steel coating round nose milling cutter which can be quickly replaced by personnel after a cutter head or a blade part of the round nose milling cutter is worn, so that the precision and the size of a machined workpiece are effectively guaranteed, and the machining performance of a milling machine is improved in a phase-changing manner.

2. Technical scheme

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

The utility model provides a tungsten steel coating round nose milling cutter, includes milling cutter stalk portion and swing joint's milling cutter cutting part with it, the vertical spout and the oriented groove of mutual intercommunication are seted up to the upper end of milling cutter stalk portion, and a pair of oriented groove is located the left and right sides of vertical spout respectively, still seted up a pair of first screw hole on the lateral wall of milling cutter stalk portion, and a pair of first screw hole also communicates with oriented groove mutually, the top fixedly connected with milling cutter head of milling cutter cutting part, equal fixedly connected with locating piece on the wall of the left and right sides that milling cutter cutting part is close to milling cutter stalk portion one end, milling cutter cutting part and vertical spout sliding connection, a pair of the locating piece all with oriented groove sliding connection, the second screw hole has all been seted up to the inner of milling cutter cutting part and locating piece, and the equal spiro union in a pair of first screw hole and second screw hole has set screw, the interior bottom of vertical spout inlays and is equipped with first magnetism piece, the end of the cutting part of the milling cutter, which is close to the longitudinal sliding groove, is embedded with the second magnetic block, so that personnel can rapidly replace the tool bit or the cutting part of the round nose milling cutter after the tool bit or the cutting part is worn, the precision and the size of a processed workpiece are effectively guaranteed, and the processing performance of the milling machine is improved in a phase-changing manner.

Further, the oriented groove is the arc oriented groove, the shape of locating piece and its phase-match, and the height of locating piece is unanimous with the groove depth of oriented groove, when personnel change the milling cutter cutting part, conveniently aligns first screw hole and second screw hole through oriented groove and locating piece, the aperture size of first screw hole and second screw hole is unanimous, and the lower extreme of milling cutter cutting part is located the interior bottom of vertical spout back, first screw hole and second screw hole are in same water flat line, ensure that set screw can be connected with first screw hole and second screw hole simultaneously.

Further, the one end magnetic pole that first magnetism piece and second magnetism piece are close to each other is opposite, attracts mutually through the magnetic force between first magnetism piece and the second magnetism piece, makes the milling cutter cutting part put into vertical chute back, changes and is connected with vertical chute bottom end in, further ensures that first screw hole and second screw hole are located same water flat line, increases stability simultaneously.

Furthermore, the outer pot head that set screw screwed the portion is equipped with the rubber layer, be carved with anti-skidding line on the rubber layer, increase personnel's finger and set screw and screw the frictional force between the portion of moving, when milling cutter cutting part wearing and tearing need change, it is more laborsaving when screwing set screw.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) this scheme can realize personnel can change it rapidly after the tool bit or the cutting part of round nose milling cutter take place wearing and tearing, provides guarantee effectively to the precision and the size of processing work piece, the processing performance of the improvement milling machine of phase-changing.

(2) The directional groove is the arc directional groove, the shape of locating piece matches with it, and the height of locating piece is unanimous with the groove depth of directional groove, when personnel change the milling cutter cutting part, conveniently align first screw hole and second screw hole through directional groove and locating piece, the aperture size of first screw hole and second screw hole is unanimous, and the lower extreme of milling cutter cutting part is located the interior bottom end back of vertical spout, first screw hole is in same horizontal line with the second screw hole, ensure that set screw can be connected with first screw hole and second screw hole simultaneously.

(3) The one end magnetic pole that first magnetism piece and second magnetism piece are close to each other is opposite, attracts mutually through the magnetic force between first magnetism piece and the second magnetism piece, makes the milling cutter cutting part put into vertical chute back, changes and is connected with vertical chute bottom end in, further ensures that first screw hole and second screw hole are located same water flat line, increases stability simultaneously.

(4) The outer end cover that the set screw twisted the portion is equipped with the rubber layer, is carved with anti-skidding line on the rubber layer, increases personnel's finger and set screw and twists the frictional force between the portion, when milling cutter cutting edge wearing and tearing need change, it is more laborsaving when twisting set screw.

Drawings

FIG. 1 is a schematic structural view of the main body of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a cross-sectional view of the shank portion of the milling cutter in engagement with the cutting edge portion of the milling cutter;

FIG. 4 is a top cross-sectional view of the shank of the milling cutter;

fig. 5 is a bottom cross-sectional view of the cutting edge portion of the milling cutter.

The reference numbers in the figures illustrate:

1 milling cutter handle part, 11 longitudinal sliding grooves, 12 directional grooves, 13 first threaded holes, 14 first magnetic blocks, 2 milling cutter blade parts, 21 milling cutter heads, 22 positioning blocks, 23 second threaded holes, 24 second magnetic blocks and 3 fixing screws.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope 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:

referring to fig. 1-5, a tungsten steel coated round nose milling cutter comprises a milling cutter handle part 1 and a milling cutter blade part 2 movably connected with the milling cutter handle part, wherein the upper end of the milling cutter handle part 1 is provided with a longitudinal sliding groove 11 and a directional groove 12 which are mutually communicated, a pair of directional grooves 12 are respectively positioned at the left side and the right side of the longitudinal sliding groove 11, the side wall of the milling cutter handle part 1 is also provided with a pair of first threaded holes 13, the pair of first threaded holes 13 are also communicated with the directional grooves 12, the top end of the milling cutter blade part 2 is fixedly connected with a milling cutter head 21, the outer end of the milling cutter head 21 is coated with a tungsten steel coating, the left side wall and the right side wall of the milling cutter blade part 2 close to one end of the milling cutter handle part 1 are both fixedly connected with a positioning block 22, the milling cutter blade part 2 is slidably connected with the longitudinal sliding groove 11, the pair of positioning blocks 22 are both slidably connected with the directional groove 12, the inner ends of the milling cutter blade part 2 and the positioning block 22 are both provided with a second threaded hole 23, and the pair of the first threaded holes 13 and the second threaded holes 23 are both screwed with a fixing screw 3, the inner bottom end of the longitudinal sliding groove 11 is embedded with a first magnetic block 14, and one end of the milling cutter blade part 2 close to the longitudinal sliding groove 11 is embedded with a second magnetic block 24.

Referring to fig. 3-5, the orientation groove 12 is an arc-shaped orientation groove, the positioning block 22 is matched in shape, and the height of the positioning block 22 is the same as the depth of the orientation groove 12, when a person replaces the milling cutter blade portion 2, the orientation groove 12 and the positioning block 22 are used for conveniently aligning the first threaded hole 13 with the second threaded hole 23, the diameters of the first threaded hole 13 and the second threaded hole 23 are the same, and the lower end of the milling cutter blade portion 2 is located at the inner bottom end of the longitudinal sliding groove 11, and the first threaded hole 13 and the second threaded hole 23 are located on the same horizontal line, so that the fixing screw 3 can be simultaneously connected with the first threaded hole 13 and the second threaded hole 23.

Referring to fig. 1, the magnetic poles of the ends of the first magnetic block 14 and the second magnetic block 24 close to each other are opposite, and the magnetic force between the first magnetic block 14 and the second magnetic block 24 attracts each other, so that the milling cutter blade portion 2 is more easily connected to the bottom end of the longitudinal sliding slot 11 after being placed in the longitudinal sliding slot 11, thereby further ensuring that the first threaded hole 13 and the second threaded hole 23 are located on the same horizontal line and increasing the stability.

Referring to fig. 1-2, the outer end of the screwing part of the fixing screw 3 is sleeved with a rubber layer, and the rubber layer is engraved with anti-skid lines, so that the friction between the fingers of a person and the screwing part of the fixing screw 3 is increased, and when the edge part 2 of the milling cutter is worn and needs to be replaced, the fixing screw 3 is screwed more labor-saving.

When the positioning device is used, when the positioning device is installed, the positioning block 22 is aligned with the orientation groove 12, the edge part 2 of the milling cutter is pressed downwards, the first threaded hole 13 and the second threaded hole 23 are ensured to be positioned on the same horizontal plane through the attraction of the magnetic force of the first magnetic block 14 and the second magnetic block 24, and then the first threaded hole 13 and the second threaded hole 23 are connected through the fixing screw 3 to complete installation; when the milling cutter blade part 2 or the milling cutter head 21 is worn in use, firstly, the fixing screw 3 is screwed out from the first threaded hole 13 and the second threaded hole 23, and then one end of the milling cutter blade part 2 close to the milling cutter handle part 1 is held to pull out the milling cutter blade part upwards.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a tungsten steel coating round nose milling cutter, includes milling cutter stalk portion (1) and swing joint's milling cutter cutting part (2) with it, its characterized in that: the upper end of the milling cutter handle part (1) is provided with a longitudinal sliding groove (11) and a directional groove (12) which are communicated with each other, the pair of directional grooves (12) are respectively positioned at the left side and the right side of the longitudinal sliding groove (11), the side wall of the milling cutter handle part (1) is also provided with a pair of first threaded holes (13), the pair of first threaded holes (13) are also communicated with the directional grooves (12), the top end of the milling cutter blade part (2) is fixedly connected with a milling cutter head (21), the left side wall and the right side wall of one end, close to the milling cutter handle part (1), of the milling cutter blade part (2) are fixedly connected with positioning blocks (22), the milling cutter blade part (2) is slidably connected with the longitudinal sliding groove (11), the pair of positioning blocks (22) are slidably connected with the directional groove (12), the inner ends of the milling cutter blade part (2) and the positioning blocks (22) are respectively provided with second threaded holes (23), and the pair of first threaded holes (13) and the second threaded holes (23) are respectively screwed with fixing screws (3), the inner bottom end of the longitudinal sliding groove (11) is embedded with a first magnetic block (14), and one end of the milling cutter blade part (2) close to the longitudinal sliding groove (11) is embedded with a second magnetic block (24).

2. The tungsten steel coated nose mill according to claim 1, wherein: the orientation groove (12) is an arc-shaped orientation groove, the shape of the positioning block (22) is matched with the orientation groove, and the height of the positioning block (22) is consistent with the depth of the orientation groove (12).

3. The tungsten steel coated nose mill according to claim 1, wherein: the first threaded hole (13) is consistent with the second threaded hole (23) in aperture size, the lower end of the milling cutter blade part (2) is located behind the inner bottom end of the longitudinal sliding groove (11), and the first threaded hole (13) and the second threaded hole (23) are located on the same horizontal line.

4. The tungsten steel coated nose mill according to claim 1, wherein: the magnetic poles of the ends of the first magnetic block (14) and the second magnetic block (24) close to each other are opposite.

5. The tungsten steel coated nose mill according to claim 1, wherein: the outer end of the screwing part of the fixing screw (3) is sleeved with a rubber layer, and anti-skid grains are carved on the rubber layer.