CN217412582U

CN217412582U - End milling cutter with shock-absorbing function

Info

Publication number: CN217412582U
Application number: CN202220917898.9U
Authority: CN
Inventors: 恽银平; 顾云星; 陈梅
Original assignee: Changzhou Keliyuan Tools Co ltd
Current assignee: Changzhou Keliyuan Tools Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-09-13
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses an end mill with shock-absorbing function, include dead lever, butt joint sleeve, lathe fixed disk, first shock attenuation gasket, connecting rod, mill set, water pipe connection post. The utility model has the advantages that: milling and being the indent formula on the dish and being provided with four chip grooves, be provided with the washing liquid orifice on the lateral wall of one side of chip groove, the bottom of connecting rod is provided with the water pipe spliced pole, spray the washing liquid through the washing liquid orifice, and then wash the sweeps in the chip groove fast, be provided with the milling blade on the opposite side lateral wall of chip groove, it has second shock-absorbing pad to mill the attached butt joint on the blade, make through second shock-absorbing pad mill the blade and mill and can carry out the shock attenuation of certain degree between the dish, the outside of second shock-absorbing pad is connected the locking through the locking screw and is had the lockplate, and the locking screw runs through and mills the blade and spiral with milling and twist the locking, make the staff can dismantle it and change with milling the dish fast through revolving wrong locking screw after milling the blade damages.

Description

End milling cutter with shock-absorbing function

Technical Field

The utility model relates to an end mill specifically is an end mill with shock-absorbing function, belongs to end mill technical field.

Background

In the numerical control machining, the selection of the cutter is directly related to the machining precision, the quality of the machined surface and the machining efficiency, the numerical control machining can achieve the best machining quality with the lowest machining cost and the shortest machining time by selecting a proper cutter and using reasonable cutting parameters, the end milling cutter is a milling cutter for machining the top surface, is disc-shaped and can only cut by a blade of an end face, and theoretical analysis and test results show that the end milling cutter has the greatest advantages of simple structure and convenience in manufacturing besides the obvious vibration and noise reduction function, so that the application range of the end milling cutter in the numerical control machining is the widest, and in order to meet the increasingly developed milling precision requirement, the end milling cutter with the vibration reduction function is needed.

However, most of the existing end mills have various problems:

1) most of connecting rods and fixing structures on the existing end milling cutter are locked by nuts, when the end milling cutter is used for milling, the end milling cutter and a workpiece can vibrate, and the nuts can loosen due to vibration, so that a certain gap is formed between the connecting rods and the fixing structures of the end milling cutter, and milling precision is influenced;

2) the milling blade and the end milling cutter of the existing end milling cutter mostly adopt an integrated connecting structure, so that after the milling blade is damaged, a worker can only integrally replace the end milling cutter, and unnecessary economic loss is caused.

Disclosure of Invention

An object of the utility model is to provide an end mill with shock-absorbing function just in order to solve the problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: an end mill with shock absorbing function, comprising:

the milling mechanism comprises a connecting rod and a milling disc, the milling disc of a disc-shaped structure for milling is fixedly connected to the top end of the connecting rod, and the side wall of the connecting rod for connection is provided with a screwing thread;

the fixing mechanism comprises a fixing rod and a butt joint sleeve, the milling mechanism is connected to the fixing mechanism, the butt joint sleeve is inclined at an angle of 45 degrees and fixed to the top end of the fixing rod, a cylindrical cavity is arranged inside the butt joint sleeve in a penetrating mode, and the connecting rod is connected and locked in the cavity of the butt joint sleeve.

As a further aspect of the present invention: four chip removing grooves are formed in the milling disc in an inwards concave mode, cleaning liquid spraying holes are formed in the side wall of one side of each chip removing groove, a water pipe connecting column is arranged at the bottom of each connecting rod, and the water pipe connecting columns are communicated with the cleaning liquid spraying holes.

As the utility model discloses further scheme again: and a milling blade is arranged on the side wall of the other side of the chip removing groove, a second damping gasket is attached and butted on the milling blade, and the shape and the size of the second damping gasket are identical to those of the milling blade.

As a further aspect of the present invention: and the outer side of the second damping gasket is connected and locked with a locking plate through a locking screw, and the locking screw penetrates through the milling blade and is screwed and locked with the milling disc.

As a further aspect of the present invention: the connecting rod is positioned in the inner cavity of the butt joint sleeve, the connecting rod is connected with a nut in a screwed mode, the connecting rod is connected with a spring in a nested mode, and the spring is locked between two adjacent nuts through the extrusion of the nuts.

As a further aspect of the present invention: the bottom of dead lever level welded fastening has the lathe fixed disk, and the bottom of lathe fixed disk is cemented there is first shock attenuation gasket to be symmetrical formula all around and run through and be provided with four fixed through-holes on the lathe fixed disk.

The utility model has the advantages that:

1) four chip-removing grooves are concavely arranged on the milling disc, a cleaning liquid spraying hole is formed in the side wall of one side of each chip-removing groove, a water pipe connecting column is arranged at the bottom of each connecting rod and communicated with the cleaning liquid spraying holes, and cleaning liquid is sprayed through the cleaning liquid spraying holes to quickly wash waste chips in the chip-removing grooves;

2) a milling blade is arranged on the side wall of the other side of the chip removing groove, a second damping gasket is attached and butted on the milling blade, the shape and the size of the second damping gasket are completely the same as those of the milling blade, and the second damping gasket can damp the space between the milling blade and the milling disc to a certain degree;

3) the outer side of the second damping gasket is connected and locked with a locking plate through a locking screw, and the locking screw penetrates through the milling blade and is screwed and locked with the milling disc, so that a worker can quickly detach the milling blade from the milling disc and replace the milling blade by screwing the locking screw after the milling blade is damaged;

4) the connecting rod is positioned in the inner cavity of the butt joint sleeve, the connecting rod is connected with the nuts in a screwed mode, the connecting rod is connected with the springs in an embedded mode, the springs are locked between two adjacent nuts through the extrusion of the nuts, the nuts are extruded through the springs, and therefore the nuts are prevented from being loosened due to vibration during milling;

5) the bottom level welded fastening of dead lever has the lathe fixed disk, and the bottom of lathe fixed disk is cemented there is first shock attenuation gasket to be the symmetry formula all around on the lathe fixed disk and run through and be provided with four fixing hole, make the shock attenuation that can carry out certain degree between lathe fixed disk and the lathe through first shock attenuation gasket.

Drawings

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

FIG. 2 is a schematic view of the connecting rod and its overall connecting structure;

FIG. 3 is a schematic view of the whole structure of the fixing rod of the present invention;

fig. 4 is the structure diagram of the milling insert and the milling disc of the present invention.

In the figure: 1. the device comprises a fixing rod, 2, a butt joint sleeve, 3, a machine tool fixing disc, 4, a first damping gasket, 5, a connecting rod, 6, a milling disc, 7, a water pipe connecting column, 8, a nut, 9, a spring, 10, a chip removing groove, 11, a cleaning liquid spraying hole, 12, a milling blade, 13, a second damping gasket, 14, a locking plate, 15 and a locking screw.

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.

Example one

Referring to fig. 1 to 4, an end mill with a damping function includes:

the milling mechanism comprises a connecting rod 5 and a milling disc 6, the milling disc 6 of a disc-shaped structure for milling is fixedly connected to the top end of the connecting rod 5, and the side wall of the connecting rod 5 for connection is provided with a screwing thread;

fixing mechanism, it includes dead lever 1, butt joint sleeve 2, milling mechanism connects on fixing mechanism, the top at dead lever 1 is fixed at the angle of 2 slope 45 degrees of butt joint sleeve, and the inside of butt joint sleeve 2 runs through and is provided with cylindrical cavity, connecting rod 5 connection locking is in butt joint sleeve 2's cavity.

The embodiment of the utility model provides an in, it is provided with four chip-removing grooves 10 to mill the indent formula on the dish 6, is provided with washing liquid orifice 11 on one side lateral wall of chip-removing groove 10, and the bottom of connecting rod 5 is provided with water piping connection post 7, and water piping connection post 7 link up with washing liquid orifice 11, sprays the washing liquid through washing liquid orifice 11, and then washes the sweeps in the chip-removing groove 10 fast.

The embodiment of the utility model provides an in, be provided with milling blade 12 on the opposite side lateral wall of chip groove 10, milling blade 12 is last attached to have second shock-absorbing gasket 13, and second shock-absorbing gasket 13 is all the same with the shape size of milling blade 12, makes milling blade 12 and mill and can carry out the shock attenuation of certain degree between the dish 6 through second shock-absorbing gasket 13.

In the embodiment of the present invention, the outside of the second vibration-damping washer 13 is connected and locked with the locking plate 14 through the locking screw 15, and the locking screw 15 runs through the milling blade 12 and is screwed and locked with the milling disc 6, so that the worker can rapidly detach the milling blade 12 from the milling disc 6 and replace the milling blade by screwing the locking screw 15 after the milling blade is damaged.

Example two

Referring to fig. 1 to 4, an end mill with a damping function includes:

The embodiment of the utility model provides an in, connecting rod 5 is arranged in the inside cavity at butt joint sleeve 2 to it is connected with nut 8 to twist on connecting rod 5, and nested connection has spring 9, and spring 9 passes through 8 extrusion locks of nut between two adjacent nuts 8, through 9 extrusion nuts 8 of spring, avoids causing nut 8 not hard up owing to vibrations when milling.

The embodiment of the utility model provides an in, the bottom horizontal welded fastening of dead lever 1 has lathe fixed disk 3, and the bottom of lathe fixed disk 3 is cemented there is first shock attenuation gasket 4 to be symmetrical formula all around on lathe fixed disk 3 and run through and be provided with four fixed through holes, make through first shock attenuation gasket 4 can carry out the shock attenuation of certain degree between lathe fixed disk 3 and the lathe.

The working principle is as follows: when using this end mill, be connected fixedly with the lathe through lathe fixed disk 3 with dead lever 1 earlier, then insert connecting rod 5 in the inside cavity of butt joint sleeve 2, then be connected the locking with connecting rod 5 through nut 8 and butt joint sleeve 2, and with the extrusion locking of spring 9 between two adjacent nuts 8, then be connected the butt joint of external water pipe with water piping connection post 7, when milling, washing liquid orifice 11 sprays the washing liquid and washes the sweeps in chip removal groove 10, and through first shock attenuation gasket 4, second shock attenuation gasket 13 carries out the shock attenuation of certain degree to the vibrations that produce when milling can.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An end mill with shock-absorbing function, comprising:

the milling mechanism comprises a connecting rod (5) and a milling disc (6), the milling disc (6) of a disc-shaped structure for milling is fixedly connected to the top end of the connecting rod (5), and the side wall of the connecting rod (5) for connecting is provided with a screwing thread;

the fixing mechanism comprises a fixing rod (1) and a butt joint sleeve (2), the milling mechanism is connected to the fixing mechanism, the butt joint sleeve (2) is inclined by 45 degrees and fixed to the top end of the fixing rod (1), a cylindrical cavity is arranged inside the butt joint sleeve (2) in a penetrating mode, and the connecting rod (5) is connected and locked in the cavity of the butt joint sleeve (2).

2. The end mill with a shock absorbing function as set forth in claim 1, wherein: four chip removing grooves (10) are arranged on the milling disc (6) in an inwards concave mode, cleaning liquid spray holes (11) are formed in the side wall of one side of each chip removing groove (10), a water pipe connecting column (7) is arranged at the bottom of each connecting rod (5), and the water pipe connecting columns (7) are communicated with the cleaning liquid spray holes (11).

3. The end mill with a shock absorbing function as set forth in claim 2, wherein: and a milling blade (12) is arranged on the side wall of the other side of the chip removing groove (10), a second damping gasket (13) is attached and butted on the milling blade (12), and the shape and the size of the second damping gasket (13) are completely the same as those of the milling blade (12).

4. The end mill with a shock absorbing function as set forth in claim 3, wherein: the outer side of the second damping gasket (13) is connected and locked with a locking plate (14) through a locking screw (15), and the locking screw (15) penetrates through the milling blade (12) and is screwed and locked with the milling disc (6).

5. The end mill with a shock absorbing function as set forth in claim 1, wherein: the connecting rod (5) is positioned in an inner cavity of the butt joint sleeve (2), a nut (8) is screwed on the connecting rod (5), a spring (9) is connected in a nested mode, and the spring (9) is locked between every two adjacent nuts (8) through extrusion of the nut (8).

6. The end mill with a shock absorbing function as set forth in claim 1, wherein: the bottom level welded fastening of dead lever (1) has lathe fixed disk (3), and the bottom cementing of lathe fixed disk (3) has first shock attenuation gasket (4) to it runs through and is provided with four fixed through holes to be symmetrical formula all around on lathe fixed disk (3).