CN218224822U

CN218224822U - Multi-edge milling cutter

Info

Publication number: CN218224822U
Application number: CN202222312280.2U
Authority: CN
Inventors: 张建良; 李雪梅; 张喜喜; 陈晓忠; 马达
Original assignee: Shanghai Zuoren Precision Cutting Tool Co ltd
Current assignee: Shanghai Zuoren Precision Cutting Tool Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-01-06
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses a multi-edge milling cutter, which comprises a barrel and a cutter head fixed at the bottom end of the barrel, wherein cutter heads distributed radially around the barrel are arranged outside the cutter head, the inner side of the barrel is provided with a driving mechanism, and the inner side of the cutter head is provided with a transmission component used for adjusting the milling position of the cutter head under the driving of the driving mechanism; when the loss of tool bit grinding degree is great, accessible motor work, drive first gear by its output shaft and rotate, the second gear rotation is ordered about through the meshing relation of first gear and second gear, through the meshing relation of the inboard ring flank of tooth of second gear and ring gear, can make the ring gear rotate between last casing and lower casing, at this in-process, can drive the spacing splint rotation in outside, and then promote the driving lever of tool bit by spacing splint, make the fixed axis of tool bit rotate, and then change the grinding position of tool bit, the position that makes the tool bit unworn lasts the grinding to the work piece, and then improve the availability factor of tool bit.

Description

Multi-edge milling cutter

Technical Field

The utility model belongs to the technical field of milling process is relevant, concretely relates to multiple-edge milling cutter.

Background

A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine. However, the existing milling cutter is inevitably worn in the milling process, so that the milling cutter needs to be frequently ground, and the processing efficiency is influenced.

For this application number is CN202022895371.4, this milling cutter has the blade disc, set up arrangement groove and first spacing groove on the blade disc, the both sides of blade are provided with first spacing block, first spacing groove and first spacing block looks adaptation, first spacing groove, first spacing block, arrangement groove and blade are equilateral triangle, the blade sets up in arrangement groove, one side of blade is provided with three cutting edge, each cutting edge rotates 60 degrees after the passivation and changes a cutting edge, make one side of blade use three times, after three cutting edges of one of them side of blade are all passivated, overturn 180 degrees with the blade, change the opposite side, the same reason, make the blade continue to use three times again, after six cutting edges of blade both sides totally passivate safely, detach the blade from the blade disc this moment, polish six cutting edges on it, make it sharp so that next use.

However, the above-mentioned multi-edge milling cutter technique still has the following problems: the cutting edge of the multi-edge milling cutter needs to be detached and replaced when the edge of one side of the cutting edge is worn, and the multi-edge milling cutter still needs to be repeatedly replaced, detached and installed to influence the processing efficiency of the multi-edge milling cutter although the grinding times are reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multiple-cutting-edge milling cutter to the problem of dismantling the installation is changed many times repeatedly to the needs that provide in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multiple-cutting-edge milling cutter, includes the barrel and fixes the blade disc in the barrel bottom, the tool bit around the barrel radial distribution is installed to the outside of blade disc, the inboard of barrel is provided with actuating mechanism, the inboard of blade disc is provided with and is used for actuating mechanism to drive the drive assembly who adjusts the tool bit milling position down.

Preferably, the blade disc includes casing and lower casing, the bottom and the last casing fixed connection of barrel, the periphery of going up casing and lower casing all is provided with the salient angle that a plurality of annular distributes, go up through dead lever welded fastening between the salient angle of casing and lower casing, the upper and lower both sides of tool bit all are provided with spacing clamp splice, are located the top spacing clamp splice and last casing fixed connection are located the below spacing clamp splice and lower casing fixed connection, the tool bit passes through the locating pin and is spacing between the salient angle of last casing and lower casing, the tool bit rotates with the locating pin and sets up.

Preferably, the driving mechanism comprises a motor, the bottom of the barrel is provided with an accommodating cavity, the motor is fixedly installed in the accommodating cavity, an output shaft end of the motor is fixedly connected with a first gear, the inner sides of the upper shell and the lower shell are rotatably connected with a shaft rod, the outer side of the shaft rod is fixedly connected with a second gear, and the second gear is meshed with the first gear.

Preferably, the transmission assembly comprises a gear ring, a first rotating ring is fixedly connected to the top of the gear ring and rotatably connected with the upper shell, a second rotating ring is fixedly connected to the bottom of the gear ring and rotatably connected with the lower shell, a circle of annular tooth surface is arranged on the inner side surface of the gear ring, and the second gear is meshed with the annular tooth surface on the inner side of the gear ring.

Preferably, the outer side surface of the gear ring is fixedly connected with a plurality of pairs of limit clamping plates which are distributed annularly.

Preferably, one end of the cutter head is provided with a deflector rod, and the deflector rod of the cutter head extends between each pair of limiting splints.

Compared with the prior multi-blade milling cutter technology, the utility model provides a multi-blade milling cutter possesses following beneficial effect:

1. the utility model can select the cutter head with different types of cutting edge styles according to the processing requirements and install the cutter head between the convex angles of the upper shell and the lower shell so as to realize various processing means to the workpiece, and the cutter head is clamped and limited by the limiting clamping blocks in the upper and lower directions and the limiting clamping plates in the left and right directions in the processing process so as to avoid looseness in the milling process and ensure the processing quality;

2. the utility model discloses when the great time of tool bit grinding degree loss, accessible motor work, drive first gear revolve by its output shaft, the second gear revolve is ordered about through the meshing relation of first gear and second gear, through the inboard ring flank of tooth meshing relation of second gear and ring gear, can make the ring gear rotate between last casing and lower casing, at this in-process, can drive the spacing splint rotation in the outside, and then promote the driving lever of tool bit by spacing splint, make the tool bit dead axle rotate, and then change the grinding position of tool bit, the position that makes the tool bit unworn and torn lasts the grinding to the work piece, and then improve the availability factor of tool bit, and need not to install repeatedly many times, can realize the adjustment of tool bit grinding position.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a three-dimensional schematic view of a multi-edge milling cutter provided by the present invention;

fig. 2 is a schematic three-dimensional structure diagram of a multi-edge milling cutter provided by the present invention at another viewing angle;

fig. 3 is a schematic front view of a multi-edge milling cutter according to the present invention;

fig. 4 is a schematic view of a three-dimensional structure of the lower housing according to the present invention;

fig. 5 is a schematic view of the front view structure of the lower housing of the present invention;

in the figure: 1. a cylinder body; 2. a cutter head; 21. an upper housing; 22. a lower housing; 23. a lobe; 24. fixing the rod; 25. positioning pins; 26. a limiting clamping block; 3. a cutter head; 4. a transmission assembly; 41. a toothed ring; 42. a first rotating ring; 43. a second rotating ring; 44. a limiting clamp plate; 5. a drive mechanism; 51. a motor; 52. a first gear; 53. a shaft lever; 54. a second gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a multi-edge milling cutter, including barrel 1 and the blade disc 2 of fixing in barrel 1 bottom, the counterpoint groove has been seted up on the top of barrel 1, can install barrel 1 adjustment position on milling equipment, and then change blade disc 2 direction, blade disc 2 includes upper housing 21 and lower housing 22, the bottom and the upper housing 21 fixed connection of barrel 1, the periphery of upper housing 21 and lower housing 22 all is provided with a plurality of annular distribution's salient 23, pass through dead lever 24 welded fastening between the salient 23 of upper housing 21 and lower housing 22, the upper and lower both sides of blade disc 3 all are provided with spacing clamp splice 26, the spacing clamp splice 26 that is located the top and upper housing 21 fixed connection, the spacing clamp splice 26 that is located the below and lower housing 22 fixed connection, blade disc 3 is spacing between the salient 23 of upper housing 21 and lower housing 22 through locating pin 25, the outside of blade disc 2 is installed around the radial blade disc 3 of barrel 1, this embodiment is not only limited to the blade disc 3 that shows in the figure, blade disc 3 optional use the cutting edge of different grade type of type in every salient 23, in order to realize the multiple processing mode to the work piece, and then set up with the blade disc 3 and the adjustable power of blade disc 3, make the milling equipment receive the rotational position as the rotational force when the locating pin 25.

It should be noted that the inside of barrel 1 is provided with actuating mechanism 5, actuating mechanism 5 includes motor 51, the chamber has been seted up to the bottom of barrel 1, motor 51 fixed mounting holds in the chamber, motor 51's output shaft end fixedly connected with first gear 52, the inboard of going up casing 21 and lower casing 22 is rotated and is connected with axostylus axostyle 53, the outside fixedly connected with second gear 54 of axostylus axostyle 53, second gear 54 meshes with first gear 52 mutually, through motor 51 work, drive first gear 52 by its output shaft and rotate, impel second gear 54 through the meshing relation of first gear 52 and second gear 54 and rotate.

In order to realize the milling position switching of the cutter head 3, a transmission assembly 4 for adjusting the milling position of the cutter head 3 under the driving of a driving mechanism 5 is arranged on the inner side of the cutter head 2, the transmission assembly 4 comprises a gear ring 41, a first rotating ring 42 is fixedly connected to the top of the gear ring 41, the first rotating ring 42 is rotatably connected with the upper shell 21, a second rotating ring 43 is fixedly connected to the bottom of the gear ring 41, the second rotating ring 43 is rotatably connected with the lower shell 22, a circle of annular tooth surface is arranged on the inner side surface of the gear ring 41, the second gear 54 is meshed with the annular tooth surface on the inner side of the gear ring 41, and when the second gear 54 rotates, the gear ring 41 can rotate between the upper shell 21 and the lower shell 22 through the meshing relationship between the second gear 54 and the annular tooth surface on the inner side of the gear ring 41.

It should be noted that, the outer side surface of the gear ring 41 is fixedly connected with a plurality of pairs of annularly distributed limit splints 44, one end of the cutter head 3 is provided with a shift lever, the shift lever of the cutter head 3 extends between each pair of limit splints 44, and in the process that the gear ring 41 rotates between the upper shell 21 and the lower shell 22, the limit splints 44 on the outer side can be driven to rotate, and then the shift lever of the cutter head 3 is pushed by the limit splints 44, so that the cutter head 3 rotates in a fixed axis manner, and the grinding position of the cutter head 3 is changed, thereby realizing continuous grinding of the workpiece.

The utility model discloses a theory of operation and use flow: when the milling cutter is used, the cutter heads 3 with different types of cutting edge styles can be selected and installed between the convex angles 23 of the upper shell 21 and the lower shell 22 according to the processing requirements so as to realize various processing means for workpieces, and in the processing process, the cutter heads 3 are clamped and limited through the limiting clamping blocks 26 in the vertical direction and the limiting clamping plates 44 in the left and right directions so as to avoid looseness in the milling process and ensure the processing quality;

when the tool bit 3 has a large grinding loss, the motor 51 can work, the output shaft of the motor drives the first gear 52 to rotate, the second gear 54 is driven to rotate through the meshing relationship between the first gear 52 and the second gear 54, the toothed ring 41 can rotate between the upper shell 21 and the lower shell 22 through the meshing relationship between the second gear 54 and the annular tooth surface on the inner side of the toothed ring 41, in the process, the limiting clamp plate 44 on the outer side can be driven to rotate, the deflector rod of the tool bit 3 is further pushed by the limiting clamp plate 44, the tool bit 3 is driven to rotate in a fixed axis manner, the grinding position of the tool bit 3 is further changed, the unworn part of the tool bit 3 continuously grinds a workpiece, and the use efficiency of the tool bit 3 is further improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multiple-cutting-edge milling cutter, includes barrel (1) and fixes blade disc (2) in barrel (1) bottom, its characterized in that: the outer edge of the cutter head (2) is provided with cutter heads (3) which are distributed around the barrel body (1) in the radial direction, the inner side of the barrel body (1) is provided with a driving mechanism (5), and the inner side of the cutter head (2) is provided with a transmission assembly (4) which is used for driving the driving mechanism (5) to adjust the milling position of the cutter heads (3) in a downward driving mode.

2. A multi-edge milling cutter as claimed in claim 1, wherein: blade disc (2) include casing (21) and lower casing (22), the bottom and last casing (21) fixed connection of barrel (1), go up casing (21) and the periphery of casing (22) down and all be provided with salient angle (23) that a plurality of annular distributes, go up casing (21) and the salient angle (23) of casing (22) down between through dead lever (24) welded fastening, the upper and lower both sides of tool bit (3) all are provided with spacing clamp splice (26), are located the top spacing clamp splice (26) and last casing (21) fixed connection are located the below spacing clamp splice (26) and casing (22) fixed connection down, tool bit (3) are spacing between salient angle (23) of last casing (21) and lower casing (22) through locating pin (25), tool bit (3) rotate with locating pin (25) and set up.

3. A multi-edge milling cutter as claimed in claim 2, wherein: the driving mechanism (5) comprises a motor (51), an accommodating cavity is formed in the bottom of the barrel body (1), the motor (51) is fixedly installed in the accommodating cavity, a first gear (52) is fixedly connected to an output shaft of the motor (51), a shaft lever (53) is rotatably connected to the inner sides of the upper shell (21) and the lower shell (22), a second gear (54) is fixedly connected to the outer side of the shaft lever (53), and the second gear (54) is meshed with the first gear (52).

4. A multi-edge milling cutter as claimed in claim 3, wherein: drive assembly (4) are including ring gear (41), the first rotating ring (42) of top fixedly connected with of ring gear (41), first rotating ring (42) rotate with last casing (21) and are connected, the bottom fixedly connected with second rotating ring (43) of ring gear (41), second rotating ring (43) rotate with lower casing (22) and are connected, the medial surface of ring gear (41) is equipped with round annular flank of tooth, second gear (54) mesh with the annular flank of tooth of ring gear (41) inboard mutually.

5. A multi-edge milling cutter according to claim 4, wherein: the outer side surface of the gear ring (41) is fixedly connected with a plurality of pairs of limit splints (44) which are distributed annularly.

6. A multi-edge milling cutter according to claim 5, wherein: one end of the cutter head (3) is provided with a deflector rod, and the deflector rod of the cutter head (3) extends between each pair of limiting splints (44).