CN209887103U

CN209887103U - Novel numerical control curve blanking machine milling cutter follow-up supporting and locking mechanism

Info

Publication number: CN209887103U
Application number: CN201920018577.3U
Authority: CN
Inventors: 姜新波; 张晓飞; 马岩; 杨春梅
Original assignee: Northeast Forestry University
Current assignee: Northeast Forestry University
Priority date: 2019-01-05
Filing date: 2019-01-05
Publication date: 2020-01-03
Anticipated expiration: 2029-01-05

Abstract

The utility model belongs to the technical field of the machining technique and specifically relates to a novel numerical control curve blanking machine milling cutter follow-up supports locking mechanism. The method is characterized in that: the cutter (2) is inserted into an inner hole of a cone (1-7) and is manually screwed up through a nut (1-8), so that the cone (1-7), the copper sleeve (1-6) and the cutter (2) are fixedly locked and rotate along with the cutter (2), and meanwhile, the cutter (2) drives the clamping mechanism (1) to do linear motion along the guide shaft (5), and the function of supporting and locking the milling cutter in a follow-up manner is achieved. To the problem that milling cutter produced great deformation at cutter holder port department rupture, milling cutter in the processing, the utility model discloses a locking mechanism is supported in the follow-up of bi-polar locking cutter, reduces the radial power of cutter in the course of working, improves cutter rigidity, satisfies extension cutter life, improves the requirement of lathe machining precision.

Description

Novel numerical control curve blanking machine milling cutter follow-up supporting and locking mechanism

Technical Field

The utility model belongs to the technical field of the machining technique and specifically relates to a novel numerical control curve blanking machine milling cutter follow-up supports locking mechanism.

Background

With the development of society and the progress of technology, the mechanization degree of enterprises in production is higher and higher, the use amount of equipment such as lathes and milling machines is very large, the existing milling machine cutters are clamped and rotated mostly in a spring-receiving jacket clamping mode, and the cutters are in a cantilever shape when the machining of turning, milling, drilling and the like is carried out on a workpiece. The single-end fixing and clamping mode easily solves the problems that the milling cutter is broken at the end opening of the cutter holder and generates large deformation in the machining process, so that the service life of the cutter is shortened, and the machining precision is not high. Therefore, it is necessary to design a novel numerical control curve blanking machine milling cutter follow-up supporting and locking mechanism, and the cutter can be fixed and locked at two ends, so that the service life of the cutter is prolonged, and the machining precision of a lathe is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel numerical control curve blanking machine milling cutter follow-up supports locking mechanism, it has realized supporting locking mechanism through the follow-up and has made the bi-polar locking of cutter to above-mentioned problem, makes the cutter radial force reduce in the course of working, and rigidity reinforcing, deformation reduce.

In order to achieve the above purpose, the utility model discloses a technical scheme is: a novel numerical control curve blanking machine milling cutter follow-up supporting and locking mechanism comprises a clamping mechanism (1), a cutter (2), a frame body (3), a connecting plate (4), a guide shaft (5) and a linear bearing (6) with a flange. The frame body (3) is fixedly arranged on a machine tool body, the linear bearing (6) with the flange is fixedly arranged on the frame body (3) through screw connection, the clamping mechanism (1) and the guide shaft (5) are fixedly arranged at the upper end of the guide shaft (5) through screw connection, the connecting plate (4) is fixedly arranged at the lower end of the guide shaft (5) through screw connection, and the guide shaft (5) is in sliding fit with the linear bearing (6) with the flange; wherein: the clamping mechanism (1) consists of a self-aligning ball bearing (1-1), a shaft sleeve (1-2), a base (1-3), a supporting plate (1-4), an end cover (1-5), a copper sleeve (1-6), a cone (1-7) and a nut (1-8), wherein the base (1-3) and the supporting plate (1-4) are detachably connected through a bolt, the shaft sleeve (1-2) is in interference fit with the base (1-3), the self-aligning ball bearing (1-1) is arranged between the shaft sleeve (1-2) and the copper sleeve (1-6), a groove at the bottom end of the copper sleeve (1-6) is matched with a boss at the bottom of the base (1-3), the upper end surface of a boss at the middle part of the copper sleeve (1-6) is matched with a groove on the end cover (1-5), the copper sleeve (1-6) is nested with the cone (1-, the end cover (1-5) is fixedly connected with the base (1-3) through a screw, and the nut (1-8) is connected with the upper end of the copper sleeve (1-6) through a thread. During operation, the cutter (2) is inserted into an inner hole of the cone (1-7) and is manually screwed down through the nut (1-8), so that the cone (1-7), the copper sleeve (1-6) and the cutter (2) are fixedly clamped and can rotate along with the cutter (2), and meanwhile, the cutter (2) drives the clamping mechanism (1) to do linear motion along the guide shaft (5), and the function of supporting and locking the mechanism in a follow-up mode of the milling cutter is achieved.

The utility model has the advantages that: the novel numerical control curve blanking machine milling cutter follow-up supporting and locking mechanism can enable two ends of a cutter to be fixed and clamped, solves the problems that the cutter is easy to break and generates large deformation when a cutter cantilever is arranged, achieves the requirements of improving the rigidity of the cutter, reducing the deformation of the cutter and prolonging the service life of the cutter, and effectively saves the production cost.

Description of the drawings:

FIG. 1 is a shaft side view of a novel numerical control curve blanking machine milling cutter follow-up supporting and locking mechanism;

in the figure, 1 is a clamping mechanism 2, a cutter 3, a frame body 4, a connecting plate 5, a guide shaft 6 and a linear bearing with a flange.

FIG. 2 is a cross-sectional view of the clamping mechanism;

in the figure, 1-1 parts of self-aligning ball bearings, 1-2 parts of shaft sleeves, 1-3 parts of bases, 1-4 parts of supporting plates, 1-5 parts of end covers, 1-6 parts of copper sleeves, 1-7 parts of cones and 1-8 parts of nuts.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings:

the novel numerical control curve blanking machine milling cutter follow-up supporting and locking mechanism comprises a clamping mechanism 1, a cutter 2, a frame body 3, a connecting plate 4, a guide shaft 5, a linear bearing 6 with a flange, a self-aligning ball bearing 1-1, a shaft sleeve 1-2, a base 1-3, a supporting plate 1-4, an end cover 1-5, a copper sleeve 1-6, a cone 1-7 and a nut 1-8.

The following describes the components and functions of each part of the device:

the frame body 3 is fixedly arranged on a machine tool body, the linear bearing 6 with the flange is fixedly arranged on the frame body through a screw, the supporting plates 1-4 and the guide shaft 5 are fixedly arranged at the upper end of the guide shaft 5 through screw connection, the connecting plate 4 is fixedly arranged at the lower end of the guide shaft 5 through screw connection, and the guide shaft 5 and the linear bearing 6 with the flange are in sliding fit. The base 1-3 and the supporting plate 1-4 are detachably connected through bolts, the shaft sleeve 1-2 is in interference fit with the base 1-3, the self-aligning ball bearing 1-1 is arranged between the shaft sleeve 1-2 and the copper sleeve 1-6, the self-aligning ball bearing 1-1 is positioned through the shaft shoulder of the shaft sleeve 1-2 and the lower end face of the boss in the middle of the copper sleeve 1-6, the groove at the bottom end of the copper sleeve 1-6 is matched with the boss at the bottom of the base 1-3 to realize mechanical sealing, the upper end face of the boss in the middle of the copper sleeve 1-6 is matched with the groove on the end cover 1-5 to realize mechanical sealing, the copper sleeve 1-6 and the cone 1-7 are nested, the end cover 1-5 is fixedly connected with the base 1-3 through screws, and the nut 1-8 is connected with the upper end of the copper sleeve 1-6 through threads.

During operation, the cutter handle of the cutter 2 is inserted into the inner hole of the cone 1-7 and is manually screwed down through the nut 1-8, so that the cone 1-7, the copper sleeve 1-6 and the cutter 2 are fixedly clamped and rotate along with the cutter 2. The base 1-3 is connected with the supporting plate 1-4 through a bolt, the supporting plate 1-4 is fixedly installed with the guide shaft 5 through a screw, and the cutter 2 drives the clamping mechanism 1 to do linear motion along the direction of the guide shaft 5 when moving up and down, so that the follow-up supporting and locking function of the whole mechanism is realized.

Claims

1. The utility model provides a novel numerical control curve blanking machine milling cutter follow-up supports locking mechanism which characterized in that: by clamping mechanism (1), cutter (2), support body (3), connecting plate (4), guiding axle (5), flanged linear bearing (6) are constituteed, support body (3) are adorned admittedly on the lathe bed, flanged linear bearing (6) are adorned admittedly on support body (3) through the screw connection, clamping mechanism (1) is adorned admittedly in the upper end of guiding axle (5) through the screw connection with guiding axle (5), connecting plate (4) are adorned admittedly in the lower extreme of guiding axle (5) through the screw connection, guiding axle (5) and flanged linear bearing (6) sliding fit, wherein: the clamping mechanism (1) consists of a self-aligning ball bearing (1-1), a shaft sleeve (1-2), a base (1-3), a supporting plate (1-4), an end cover (1-5), a copper sleeve (1-6), a cone (1-7) and a nut (1-8), wherein the base (1-3) and the supporting plate (1-4) are detachably connected through a bolt, the shaft sleeve (1-2) is in interference fit with the base (1-3), the self-aligning ball bearing (1-1) is arranged between the shaft sleeve (1-2) and the copper sleeve (1-6), a groove at the bottom end of the copper sleeve (1-6) is matched with a boss at the bottom of the base (1-3), the upper end surface of a boss at the middle part of the copper sleeve (1-6) is matched with a groove on the end cover (1-5), the copper sleeve (1-6) is nested with the cone (1-, the end cover (1-5) is fixedly connected with the base (1-3) through a screw, and the nut (1-8) is connected with the upper end of the copper sleeve (1-6) through a thread.