CN2408002Y

CN2408002Y - Central disc grinding knife for railway locomotive and vehicle

Info

Publication number: CN2408002Y
Application number: CN 00226127
Authority: CN
Inventors: 张维克; 韩春钰
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-02-12
Filing date: 2000-02-12
Publication date: 2000-11-29
Anticipated expiration: 2010-02-12

Abstract

The utility model discloses a special milling cutter for processing center plates of railway locomotives and vehicles, which is especially used on a milling machine for center plates of railway locomotives and vehicles. The milling cutter comprises a handle, a cutter body, a rotatable cutter blade and a screw. The milling cutter can process original top center plates and truck center plates of the railway locomotives and the vehicles in one time and can also be used for repairing welded top center plates and truck center plates of the railway locomotives and the vehicles. The utility model has the advantages of high efficiency, high processing precision and low cutter expenses.

Description

Railway locomotive, vehicle cartridge milling cutter

The utility model belongs to machining tool, and specifically it is a kind of special-purpose milling cutter that is applicable to railway locomotive, vehicle cartridge milling machine processing railway cartridge.

The upper and lower cartridge of railway locomotive, vehicle is the link between the car body partial sum running part of locomotive, vehicle, in use can cause very big wearing and tearing or rhegma, need often processing to repair, its course of processing is to rebuild with machining tool after the repair welding again.Existing job operation is to revolve with lathe to repair, cutter is a lathe tool, and its shortcoming is: thus since cartridge location difficulty on the lathe cause lathe tool on cartridge, look for the benchmark difficulty cause finish size be difficult to guarantee, because lathe tool is that hilted broadsword processing cartridge work efficiency is very long very low overhours.

The purpose of this utility model provides a kind of special-purpose milling cutter that is exclusively used in railway locomotive, vehicle cartridge Milling Process, to overcome the deficiencies in the prior art.

The utility model can be realized by following structure: the utility model is a kind of profile milling cutter that adopts indexable insert tip, throw away tip to constitute, it has cutter hub, handle of a knife, on cutter hub, be processed with cutter hole and row and cut groove, back at cutter hub is processed with keyway, blade is fastened on the cutter hole with screw, milling cutter has three cuttings face (in the milling cutter end away from the handle of a knife direction, the cutting face that is parallel to milling cutter tread rolling circle plane is called the following cutting face of milling cutter, the cutting face that is vertically to milling cutter tread rolling circle plane is the side cutting face of milling cutter, and the cutting face that close handle of a knife direction is parallel to milling cutter tread rolling circle plane is called the last cutting face of milling cutter).Main points of the present utility model are: following cutting face and side cutting face junction are that radius can cutting at one time goes out radius and accords with passenger train from goods train, the fillet of locomotive truck center plate load plane and diametric vertical plane junction, and the fillet of the fillet of diametric vertical plane of body center plate and junction, non-bearing plane, the molded lines that the fillet of following cutting face and side cutting face junction cuts is that radius accords with passenger train from goods train, the radius of rounding of locomotive truck center plate load plane and diametric vertical plane junction, and the fillet of the radius of rounding of diametric vertical plane of body center plate and junction, non-bearing plane; The side cutting face of milling cutter and last cutting face junction are that radius can cutting at one time goes out radius and accords with passenger train from goods train, the fillet of diametric vertical plane of locomotive truck center plate and junction, non-bearing plane, and the fillet of the fillet of diametric vertical plane of body center plate and load plane junction, the molded lines that the fillet of the side cutting face of milling cutter and last cutting face junction cuts is that radius accords with passenger train from goods train, the radius of rounding of diametric vertical plane of locomotive truck center plate and junction, non-bearing plane, and the fillet of the radius of rounding of diametric vertical plane of body center plate and load plane junction; Outward-dipping from the make progress side cutting face of milling cutter of the following cutting face of milling cutter, gradient is 1: 24; Be used to cut the side milling cutter of body center plate, the diameter of side cutting face and side cutting face and fillet junction, last cutting face junction begins to go up cutting face from beginning down-cutting face direction outside to inside for outside 25 millimeters, and gradient is 4 degree; The same cutting position of the circumferencial direction of milling cutter has a slice indexable insert tip, throw away tip at least.

The utility model can also be realized by following structure: by the double knife-edge milling cutter that cutter hub, handle of a knife, blade, screw constitute, be that the fillet of cutting face and side cutting face and last cutting face junction prolongs the side cutting face and forms on removing on the basis of the cartridge milling cutter of three cuttings face

The utility model also has another version: no handle of a knife milling cutter is to remove handle of a knife on the cartridge milling cutter basis of two cuttings face or three cuttings face, processes the milling cutter mounting hole and form on cutter hub, by the milling cutter mounting hole milling cutter is installed during use.

The utility model is compared with prior art: owing to adopt the global formation milling cutter that working accuracy and finish size are guaranteed; Owing to be that the multitool sheet cuts simultaneously and improved work efficiency and shortened overhours, the crudy of cartridge and work efficiency are improved simultaneously.

Accompanying drawing has provided embodiment of the present utility model.Further specify concrete structure of the present utility model below in conjunction with accompanying drawing:

Fig. 1 is the front view of the utility model side milling cutter

Fig. 2 is the left view of the utility model side milling cutter

Fig. 3 is the right elevation of the utility model side milling cutter

Fig. 4 is the block diagram of the utility model side milling cutter

Fig. 5 is the block diagram of the utility model double knife-edge milling cutter

Fig. 6 is the front view that the utility model does not have the handle of a knife milling cutter

Fig. 7 is the right elevation that the utility model does not have the handle of a knife milling cutter

Fig. 8 is the block diagram that the utility model does not have the handle of a knife milling cutter

In conjunction with Fig. 1～4, one end of the cutter hub 1 of side milling cutter has handle of a knife 2, on cutter hub 1, be processed with cutter hole 3 and row and cut groove 4, blade 5 usefulness screws 6 are fastened on the cutter hole 3, be processed with keyway 7 at the back of cutter hub, milling cutter has three cuttings face promptly: following cutting face 8, side cutting face 9 and last cutting face 10, the following cutting face 8 of milling cutter and side cutting face 9 junctions are that radius can cutting at one time goes out radius and accords with passenger train from goods train, the fillet of locomotive truck center plate load plane and diametric vertical plane junction, and the fillet 11 of the fillet of diametric vertical plane of body center plate and junction, non-bearing plane; The side cutting face 9 of milling cutter and last cutting face 10 junctions are that radius can cutting at one time goes out the fillet 12 that radius accords with the fillet of the fillet of passenger train from goods train, the diametric vertical plane of locomotive truck center plate and junction, non-bearing plane and diametric vertical plane of body center plate and load plane junction; Upwards the side cutting face 9 of milling cutter is outward-dipping from the following cutting face 8 of milling cutter, and gradient is 1: 24; Side cutting face 9 and side cutting face 9 begin to go up cutting face 10 from beginning down-cutting face 8 directions outside to inside for outside 25 millimeters with the diameter of last cutting face 10 junction fillets 12 junctions, and gradient is 4 degree.

In conjunction with Fig. 5, by the double knife-edge milling cutter that cutter hub (1), handle of a knife (2), blade (5), screw (6) constitute, be that the fillet of cutting face and side cutting face and last cutting face junction prolongs the side cutting face and forms on removing on the basis of the cartridge milling cutter of three cuttings face.

In conjunction with Fig. 7～9, no handle of a knife milling cutter is cut groove 4, blade 5, screw 6, keyway 7, milling cutter mounting hole 11 by cutter hub 1, cutter hole 3, row and is constituted, and by the milling cutter mounting hole milling cutter is installed in use.

The utility model is the process tool for center bearing on processing railway locomotive, the vehicle, tool The high advantage of good processing accuracy working (machining) efficiency is arranged, have bigger promotion prospect.

Claims

1. railway locomotive, vehicle cartridge milling cutter, by cutter hub, blade, the cutter hole, row cuts groove, screw, keyway constitutes, on cutter hub (1), be processed with cutter hole (3) and row and cut groove (4), blade (5) is fixed on the cutter hole (3) with screw (6), be processed with keyway (7) at the back of cutter hub, it is characterized in that: the cartridge milling cutter that three cuttings face are arranged, one end of cutter hub (1) is and cutter hub (1) connects into holistic handle of a knife (2), following cutting face (8) is arranged on the cutter hub (1), (10) three cuttings face of side cutting face (9) and last cutting face, the following cutting face (8) of milling cutter and side cutting face (9) junction are fillet (11), the side cutting face (9) of milling cutter and last cutting face (10) junction are fillet (12), the side cutting face (9) of milling cutter is outward-dipping, and the last cutting face (10) of body center plate milling cutter is downward-sloping; The cartridge milling cutter that two cuttings face are arranged, be that the fillet (12) of cutting face (10) and side cutting face (9) and last cutting face (10) junction on removing on the basis of three cutting face cartridge milling cutters prolongs side cutting face (9) and forms: the milling cutter of no handle of a knife is to remove handle of a knife to process milling cutter mounting hole (13) form on cutter hub (1) on the basis of two cuttings face or three cutting face cartridge milling cutters.

2. cartridge milling cutter according to claim 1, it is characterized in that: the following cutting face (8) of milling cutter and side cutting face (9) junction are that radius can cutting at one time goes out radius and accords with passenger train from goods train, the fillet of locomotive truck center plate load plane and diametric vertical plane junction, and the fillet (11) of the fillet of diametric vertical plane of body center plate and junction, non-bearing plane, the molded lines that the fillet (11) of following cutting face (8) and side cutting face (9) junction cuts is that radius accords with passenger train from goods train, the radius of rounding of locomotive truck center plate load plane and diametric vertical plane junction, and the fillet of the radius of rounding of diametric vertical plane of body center plate and junction, non-bearing plane.

3. cartridge milling cutter according to claim 1, it is characterized in that: the side cutting face (9) of milling cutter and last cutting face (10) junction are that radius can cutting at one time goes out radius and accords with passenger train from goods train, the fillet of diametric vertical plane of locomotive truck center plate and junction, non-bearing plane, and the fillet (12) of the fillet of diametric vertical plane of body center plate and load plane junction, the molded lines that the fillet (12) of the side cutting face (9) of milling cutter and last cutting face (10) junction cuts is that radius accords with passenger train from goods train, the radius of rounding of diametric vertical plane of locomotive truck center plate and junction, non-bearing plane, and the fillet of the radius of rounding of diametric vertical plane of body center plate and load plane junction.

4. cartridge milling cutter according to claim 1 is characterized in that: the following cutting face (8) from milling cutter makes progress, and the side cutting face (9) of milling cutter is outward-dipping, and gradient is 1: 24.

5. cartridge milling cutter according to claim 1, it is characterized in that: the side cutting face (9) and the side cutting face (9) that are used for the side milling cutter of milling body center plate begin to go up cutting face (10) from beginning down-cutting face (8) direction outside to inside for outside 25 millimeters with the diameter of last cutting face (10) junction fillet (12) junction, and gradient is 4 degree.

6. cartridge milling cutter according to claim 1, it is characterized in that: no handle of a knife milling cutter is to remove handle of a knife (2) on the cartridge milling cutter basis of two cuttings face or three cuttings face, on cutter hub (1), process milling cutter mounting hole (13), by milling cutter mounting hole (13) milling cutter is installed during use.

7. cartridge milling cutter according to claim 1 is characterized in that: each is equipped with a slice indexable insert tip, throw away tip at least respectively the same cutting position of the circumferencial direction of milling cutter.