CN213379500U

CN213379500U - High-precision hard alloy vertical milling cutter

Info

Publication number: CN213379500U
Application number: CN202022357568.2U
Authority: CN
Inventors: 杨旭鹏
Original assignee: Kunshan Fengyuxiang Precision Cutting Tool Co ltd
Current assignee: Kunshan Fengyuxiang Precision Cutting Tool Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-06-08
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a high accuracy carbide vertical milling cutter utensil, including the cutter body, the top layer of cutter body is cladding material, the inboard fixedly connected with alloy-layer of cladding material, cutter body top fixedly connected with handle of a knife, the cutter body runs through the cutter body from top to bottom inside second recess and the second recess of being provided with of cutter body, the handle of a knife bottom is provided with first recess, be provided with the metal strip in second recess and the first recess, metal strip surface bottom fixedly connected with metal pole. The utility model discloses in, the metal strip that sets up the aluminum alloy at the inside lower extreme of cutter body inside and handle of a knife increases milling cutter's alternation ability, makes milling cutter be difficult for the rupture, it is tight to set up bullet piece and spacing groove clamp in the anchor clamps, simultaneously through the fixed dual fixed of screw for milling cutter is difficult for the landing, guarantee milling cutter is difficult for rupture and landing in work, prolong milling cutter's life when improving the security, through cladding material and the compound cutting performance who promotes end milling cutter of alloy-layer, promote work efficiency, be worth wideling popularize.

Description

High-precision hard alloy vertical milling cutter

Technical Field

The utility model relates to an end mill field especially relates to a high accuracy carbide founds milling cutter utensil.

Background

The end milling cutter as one kind of milling cutter for numerically controlled machine tool has cutting function and may be used in cutting simultaneously or separately on its surface and bottom, so that the milling cutter plays a very important role in numerically controlled machine tool, and the milling cutter is shaped as flat end milling cutter, round nose milling cutter, forming milling cutter, chamfering cutter, T-shaped cutter, toothed cutter and rough skin cutter, and is made of high speed steel and hard alloy.

The traditional end milling cutter is easy to break under the condition that the cutting force is rapidly alternated, the breakage is easy to cause damage to people or machines under the condition of high rotating speed, and another problem which can occur after the end milling cutter is clamped is that the end milling cutter breaks at the end opening of a cutter holder in the machining process, the reason is generally that the cutter holder is too long in service time, the end opening part of the cutter holder is abraded and tapered, the danger is very high, and the hardness of some hard alloys is not high enough, the cutting force can be influenced, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-precision hard alloy vertical milling cutter.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-precision cemented carbide vertical milling cutter comprises a cutter body, wherein a coating is arranged on the surface layer of the cutter body, an alloy layer is fixedly connected on the inner side of the coating, a cutter handle is fixedly connected to the top of the cutter body, a second groove is formed in the cutter body, the second groove vertically penetrates through the cutter body, a first groove is formed in the bottom of the cutter handle, a round hole is formed in the cutter body, metal strips are arranged in the second groove and the first groove, a metal rod is fixedly connected to the bottom of the surface of the metal strip, four cutting edges are arranged on the outer side of the cutter body, chip removal grooves are formed between the adjacent cutting edges, the cutter handle is connected to the bottom of a clamp in a sliding manner, limiting grooves are formed in the left side and the right side of the cutter handle, first preset grooves are formed in the left side and the right side of the clamp, two springs are arranged, the equal sliding connection of second preset inslot has bullet piece, the equal fixed connection of spring inboard is on the outside of bullet piece lower extreme, the front and back end of handle of a knife and anchor clamps all is provided with the screw thread base, the front and back end of handle of a knife and anchor clamps all has the screw through screw thread base threaded connection.

As a further description of the above technical solution:

the coating is made of tungsten carbide alloy.

As a further description of the above technical solution:

the alloy layer is made of titanium alloy.

As a further description of the above technical solution:

the metal strip is made of aluminum alloy.

As a further description of the above technical solution:

the elastic blocks are in sliding connection in the second preset grooves.

As a further description of the above technical solution:

the round hole penetrates from the second groove to the surface of the cutter body.

As a further description of the above technical solution:

the bottom of the knife handle is provided with a sliding groove.

As a further description of the above technical solution:

the metal rod penetrates through the round hole.

The utility model discloses following beneficial effect has:

1. in the utility model, a second groove is arranged in the cutter body, the second groove vertically penetrates through the cutter body, a first groove is arranged at the bottom of the cutter handle, a round hole is arranged on the cutter body, metal strips are arranged in the second groove and the first groove, the metal strips are fixedly connected with the metal rods at the bottom of the surface of the metal strips, the alternating capability of the milling cutter is increased by arranging the metal strips of aluminum alloy in the cutter body and at the lower end of the inner part of the cutter handle, so that the milling cutter is not easy to break, limiting grooves are arranged at the left side and the right side of the cutter handle, first preset grooves are arranged at the left side and the right side of the inner part of the clamp, two springs are arranged at the outer side of the first preset grooves, a second preset groove is arranged at the inner side of the first preset groove, elastic blocks are slidably connected in the second preset grooves, the inner sides of the springs are fixedly connected at the upper, set up bullet piece and spacing groove through anchor clamps and press from both sides tightly, fix dual fixed through the screw simultaneously for milling cutter is difficult for the landing, has ensured milling cutter difficult rupture and landing in work, prolongs milling cutter's life when having improved the security.

2. The utility model discloses in, the top layer of cutter body is the cladding material, the material of cladding material is the tungsten carbide alloy, the tungsten carbide is doped a small amount of titanium, metals such as cobalt, just can reduce the fragility, be used as steel cutting means's tungsten carbide, titanium carbide is added often, carbonization button or their mixture, in order to improve antiknock ability, the chemical property of tungsten carbide is stable, the inboard fixedly connected with alloy-layer of cladding material, the material of alloy-layer is the titanium alloy, the titanium alloy has intensity high density little, cutting performance is good, the deformation coefficient is little, the cutting force on the unit area is big, the very suitable preparation cutter of advantage, through cladding material and the compound cutting performance who promotes end mill of alloy-layer, and the work efficiency is promoted, and is worth wid.

Drawings

Fig. 1 is an external view of a high-precision cemented carbide vertical milling cutter provided by the present invention;

fig. 2 is an exploded view of a cutter body of a high-precision cemented carbide vertical milling cutter provided by the present invention;

fig. 3 is a cross-sectional view of a fixture of a high-precision cemented carbide vertical milling cutter provided by the present invention;

fig. 4 is a sectional view of a cutter body of the high-precision cemented carbide vertical milling cutter provided by the utility model.

Illustration of the drawings:

1. a cutter body; 2. a blade; 3. a chip groove; 4. a circular hole; 5. a knife handle; 6. a chute; 7. a limiting groove; 8. a threaded base; 9. a first groove; 10. a second groove; 11. a metal strip; 12. a metal rod; 13. A clamp; 14. screws; 15. a first preset groove; 16. a spring; 17. a second pre-set groove; 18. a spring block; 19. plating; 20. an alloy layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a high-precision hard alloy vertical milling cutter comprises a cutter body 1, wherein the surface layer of the cutter body 1 is a plating layer 19, the inner side of the plating layer 19 is fixedly connected with an alloy layer 20, the cutting performance of the vertical milling cutter is improved by compounding the plating layer 19 and the alloy layer 20, the top of the cutter body 1 is fixedly connected with a cutter handle 5, a second groove 10 is arranged in the cutter body 1, the second groove 10 penetrates through the cutter body 1 from top to bottom, a first groove 9 is arranged at the bottom of the cutter handle 5, a round hole 4 is arranged on the cutter body 1, a metal strip 11 is arranged in the second groove 10 and the first groove 9, a metal rod 12 is fixedly connected at the bottom of the surface of the metal strip 11, the metal rod 12 penetrates through the round hole 4 and has a reinforcing effect on the cutter body 1, the alternating capability of the milling cutter is improved by arranging the metal strip 11 of aluminum alloy in the inner part of the cutter body 1 and the, the knife handle 5 is connected to the bottom of the clamp 13 in a sliding manner, the left side and the right side of the knife handle 5 are respectively provided with a limiting groove 7, the left side and the right side of the inside of the clamp 13 are respectively provided with a first preset groove 15, the outer side of each first preset groove 15 is respectively provided with two springs 16, the inner side of each first preset groove 15 is provided with a second preset groove 17, elastic blocks 18 are respectively connected in the second preset grooves 17 in a sliding manner, the inner sides of the springs 16 are respectively fixedly connected to the upper end and the lower end of the outer side of each elastic block 18, the front end and the rear end of the knife handle 5 and the clamp 13 are respectively provided with a threaded base 8, the front end and the rear end of the knife handle 5 and the, meanwhile, the milling cutter is fixed by the screws 14 in a double-fixing mode, so that the milling cutter is not prone to slipping off, the milling cutter is not prone to breaking off and slipping off in the working process, safety is improved, and the service life of the milling cutter is prolonged.

The plating layer 19 is made of tungsten carbide alloy, the tungsten carbide is doped with a small amount of metals such as titanium, cobalt and the like, the brittleness can be reduced, the tungsten carbide used as a steel cutting tool is usually added with titanium carbide, a carbide button or a mixture of titanium and cobalt to improve the anti-explosion capability, the chemical property of the tungsten carbide is stable, the alloy layer 20 is made of titanium alloy, the titanium alloy has the advantages of high strength, low density, good cutting performance, small deformation coefficient, large cutting force in unit area and the like, and is very suitable for manufacturing a cutter, the metal strip 11 is made of aluminum alloy, the density of the aluminum alloy is low, but the strength is higher, close to or exceeds high-quality steel, the plasticity is good, the elastic block 18 is in sliding connection in the second preset groove 17, when the cutter handle 5 is inserted into the clamp 13, the spring 16 pushes the elastic block 18 to clamp the limiting groove 7 on the cutter handle 5 to have a certain clamping effect, the circular hole 4 penetrates through the surface, the metal rod 12 penetrates the circular hole 4.

The working principle is as follows: because the traditional end milling cutter needs to be frequently alternated when cutting metal parts, at the moment, the cutter is easy to break or fall off due to the change of stress points and stress directions of the cutter, a second groove 10 is arranged in the cutter body 1, the second groove 10 penetrates through the cutter body 1 up and down, a first groove 9 is arranged at the bottom of the cutter handle 5, metal strips 11 are arranged in the second groove 10 and the first groove 9, the metal strips 11 are made of aluminum alloy, the density of the aluminum alloy is low, but the strength is higher, the metal strips are close to or exceed high-quality steel, the plasticity is good, the alternation capacity of the milling cutter is improved by arranging the metal strips 11 of the aluminum alloy in the cutter body 1 and at the lower end of the interior of the cutter handle 5, so that the milling cutter is difficult to break, the cutter handle 5 only needs to be inserted into the bottom of the clamp 13 from bottom to top when being inserted upwards, the elastic blocks 18, when the knife handle 5 is placed at a proper position, the elastic block 18 is inwards propped against the limiting grooves 7 at the left side and the right side of the knife handle 5 under the action of the spring 16, at the moment, the end mill cannot slide off, then the screw 14 is screwed and fixed by the screw thread base 8 at the front end and the rear end of the knife handle 5 and the clamp 13, so that the milling cutter is not easy to slide off, the milling cutter is not easy to break off and slide off when working, the safety is improved, and the service life of the milling cutter is prolonged at the same time, because the plating layer 19 is made of tungsten carbide alloy, and the tungsten carbide is doped with a small amount of metals such as titanium, cobalt and the like, the brittleness can be reduced, the tungsten carbide used as a steel cutting tool is often added with titanium carbide, carbide buttons or a mixture thereof, so as to improve the anti-explosion capability, the chemical property of the tungsten carbide is stable, the alloy layer 20 is made of titanium alloy, and because the titanium, therefore, the method is very suitable for manufacturing cutters, and the cutting performance of the end mill is improved through the combination of the plating layer 19 and the alloy layer 20, so that the working efficiency is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a high accuracy carbide vertical milling cutter utensil, includes cutter body (1), its characterized in that: the surface layer of the cutter body (1) is a plating layer (19), an alloy layer (20) is fixedly connected to the inner side of the plating layer (19), a cutter handle (5) is fixedly connected to the top of the cutter body (1), a second groove (10) is formed in the cutter body (1), the second groove (10) penetrates through the cutter body (1) from top to bottom, a first groove (9) is formed in the bottom of the cutter handle (5), a round hole (4) is formed in the cutter body (1), metal strips (11) are arranged in the second groove (10) and the first groove (9), a metal rod (12) is fixedly connected to the bottom of the surface of each metal strip (11), four cutting edges (2) are arranged on the outer side of the cutter body (1), chip removal grooves (3) are formed between every two adjacent cutting edges (2), the cutter handle (5) is connected to the bottom of a clamp (13) in a sliding mode, and limiting, the utility model discloses a clamp for the drilling machine, including anchor clamps (13), anchor clamps (13) inside left and right sides all is provided with first groove (15) of predetermineeing, first groove (15) outside of predetermineeing all through two springs (16), first groove (15) inboard of predetermineeing is provided with second groove (17) of predetermineeing, equal sliding connection has bullet piece (18) in second groove (17) of predetermineeing, the equal fixed connection in the outside of bullet piece (18) of spring (16) inboard lower extreme, the front and back end of handle of a knife (5) and anchor clamps (13) all is provided with screw base (8), the front and back end of handle of a knife (5) and anchor clamps (13) all has screw (14) through screw base (8) threaded connection.

2. A high precision cemented carbide vertical milling cutter according to claim 1, characterized in that: the material of the coating (19) is tungsten carbide alloy.

3. A high precision cemented carbide vertical milling cutter according to claim 1, characterized in that: the alloy layer (20) is made of titanium alloy.

4. A high precision cemented carbide vertical milling cutter according to claim 1, characterized in that: the metal strip (11) is made of aluminum alloy.

5. A high precision cemented carbide vertical milling cutter according to claim 1, characterized in that: the elastic block (18) is connected in a sliding mode in the second preset groove (17).

6. A high precision cemented carbide vertical milling cutter according to claim 1, characterized in that: the round hole (4) penetrates from the second groove (10) to the surface of the cutter body (1).

7. A high precision cemented carbide vertical milling cutter according to claim 1, characterized in that: the bottom of the knife handle (5) is provided with a sliding groove (6).

8. A high precision cemented carbide vertical milling cutter according to claim 1, characterized in that: the metal rod (12) penetrates through the round hole (4).