CN102615321B

CN102615321B - Notching machine

Info

Publication number: CN102615321B
Application number: CN201210112368.8A
Authority: CN
Inventors: 郑建; 王仁浒; 郭智慧
Original assignee: JUDA MINING INDUSTRY Co Ltd
Current assignee: JUDA MINING INDUSTRY Co Ltd
Priority date: 2012-04-17
Filing date: 2012-04-17
Publication date: 2014-12-10
Anticipated expiration: 2032-04-17
Also published as: CN102615321A

Abstract

The invention discloses a notching machine. The notching machine comprises a guide rail mechanism, and a driving mechanism which is fixed on the guide rail mechanism and is provided with a driving shaft. The notching machine is characterized by also comprising a milling cutter which is fixed on the driving shaft, wherein the milling cutter comprises an annular base body provided with a shaft hole, and a plurality of milling teeth arranged at the periphery of the base body; a tooth socket is formed between two adjacent milling teeth; the peripheral outer wall of each milling tooth is an arc-shaped surface; the surface of each milling tooth, adjacent to the previous milling tooth, is a milling surface, and the milling surface is clamped with the arc-shaped surface of another adjacent milling tooth to form the tooth socket; and the milling surfaces comprise a rectangular base surface, an isosceles trapezoidal milling angle surface and a rectangular milling groove surface in the radial direction along a direction from inside to outside. By the notching machine, troughs and chamfer angles on side walls on two sides of the troughs can be machined and molded during one-step milling, and compared with a mode that the conventional cutter is adopted and secondary milling is needed, the notching machine obviously and effectively increases the machining efficiency and the cost rate.

Description

Groover

Technical field

The invention belongs to technology of Machine Tool field, be specifically related to a kind of groover.

Background technology

Engine commutator is one, by copper coin and insulation board (being generally mica sheet) interval, the ring forming is set, the outboard end of its insulation board will be lower than copper coin outboard end, thereby for engine commutator, each insulation board outboard end place will form an insulation tank arranging along motor shaft direction, during use, conduction carbon brush contact slide in commutator periphery, is electrically connected to it during through copper coin, during through insulation tank top, disconnects and being electrically connected to motor.

Copper coin outboard end in traditional engine commutator, its both sides are equipped with chamfering, are used for alleviating carbon brush through out-of-date frictional force, thereby extend carbon brush service life.Traditionally, the chamfering of these copper coin both sides and the processing mode of insulation tank are milling insulation boards first, make its outboard end lower than copper coin outboard end, form the consistent insulation tank of the degree of depth, then in the both sides of copper coin outboard end place's milling place chamfering; For engine commutator, general motor is larger, and the quantity of insulation tank is more, thereby causes this process to waste time and energy, and easily occurs waste product.

Summary of the invention

The object of this invention is to provide a kind of grooving tool that can effectively improve working (machining) efficiency and yield rate.

The technical scheme that realizes the object of the invention is: a kind of groover, comprises guide rail mechanism, is fixed on the driving mechanism with driving shaft on guide rail mechanism; It is characterized in that: also comprise a milling cutter being fixed on driving shaft; Described milling cutter comprises the ring-type matrix that is provided with axis hole and a plurality of milling teeth that are arranged on matrix periphery; Between two adjacent milling teeth, be provided with teeth groove; The peripheral outer wall of described each milling tooth is an arcwall face, and a face of each milling tooth and previous milling tooth adjacency is milling face, and the arcwall face clamping of this milling face and another milling tooth being adjacent forms teeth groove; Described milling face comprises the basal plane of rectangle, the milling angle face of isosceles trapezoid and the groove milling face of rectangle successively along direction from inside to outside diametrically.

In such scheme, the adjacent part of the arcwall face of described basal plane and another milling tooth of being adjacent forms teeth groove bottom land, and two hypotenuses of described milling angle portion exceed teeth groove bottom land.

In such scheme, described each milling tooth is provided with successively Head Section and transition region in the direction along milling rotation, each Head Section diametrically along direction be from outside to inside provided with successively groove milling portion for mill out groove on workpiece, for milling on the limit wall in these groove opening both sides, mold the milling angle portion of chamfering with for being connected the base portion of ring-type matrix and milling angle portion; Each transition region is provided with milling angle portion and base portion successively along direction from outside to inside diametrically; On same milling tooth, the peripheral outer wall of Head Section and the peripheral outer wall of transition region are combined to form described arcwall face; The both sides of the edge place of described each milling angle portion outboard end is equipped with hypotenuse, described groove milling portion be the peripheral outer wall wall body between milling angle portion outboard end two hypotenuses radially protrude form.

In such scheme, described each milling tooth is provided with successively Head Section, transition region and tail region in the direction along milling rotation; Each tail region is only provided with base portion successively along direction from outside to inside diametrically; On same milling tooth, the peripheral outer wall of the peripheral outer wall of Head Section, the peripheral outer wall of transition region and tail region is combined to form described arcwall face.

In such scheme, described driving mechanism is a motor, and described driving shaft is the output shaft of this motor, and described milling cutter is arranged on output shaft by its axis hole.

The present invention has positive effect: (1) the present invention is by changing the planform of milling cutter, the machine-shaping of insulation tank and copper coin chamfering in can completing engine commutator in a milling process, compare with the mode that adopts conventional tool to need secondary milling just can complete, obviously and effectively improve working (machining) efficiency and cost rate.

Accompanying drawing explanation

Fig. 1 is a kind of structural representation of the present invention;

Fig. 2 is that the A of groover shown in Fig. 1 is to view;

Fig. 3 is a kind of perspective view of the first milling cutter in groover shown in Fig. 1;

Fig. 4 is a kind of perspective view of the second milling cutter in groover shown in Fig. 1;

Fig. 5 is a kind of structural representation of facing of milling cutter shown in Fig. 4.

Shown in accompanying drawing, be labeled as: guide rail mechanism 1, driving mechanism 2, driving shaft 21, milling cutter 3, ring-type matrix 31, axis hole 311, milling tooth 32, teeth groove 33, teeth groove bottom land 331, Head Section 34, transition region 35, tail region 36, groove milling portion 4, milling angle portion 5, hypotenuse 51, base portion 6, arcwall face 7, milling face 8, basal plane 81, milling angle face 82, groove milling face 83.

The specific embodiment

(embodiment 1)

Fig. 1 to Fig. 3 has shown a kind of specific embodiment of the present invention, and wherein Fig. 1 is a kind of structural representation of the present invention; Fig. 2 is that the A of groover shown in Fig. 1 is to view; Fig. 3 is a kind of perspective view of the first milling cutter in groover shown in Fig. 1.

The present embodiment is a kind of groover, sees Fig. 1 to Fig. 3, comprises guide rail mechanism 1, is fixed on the driving mechanism with driving shaft 21 2 on guide rail mechanism 1 and is fixed on the milling cutter 3 on driving shaft 21; Described milling cutter 3 comprises the ring-type matrix 31 that is provided with axis hole 311 and a plurality of milling teeth 32 that are arranged on matrix periphery; Between two adjacent milling teeth 32, be provided with teeth groove 33; The peripheral outer wall of described each milling tooth 32 is arcwall faces 7, and each milling tooth 32 is milling faces 8 with a face of previous milling tooth 32 adjacency, and arcwall face 7 clampings of this milling face 8 and another milling tooth 32 being adjacent form teeth groove 33; Described milling face 8 comprises the groove milling face 83 of the basal plane 81 of rectangle, the milling angle face 82 of isosceles trapezoid and rectangle diametrically successively along direction from inside to outside.

The adjacent part of the arcwall face 7 of described basal plane 81 and another milling tooth 32 of being adjacent forms teeth groove bottom land 331, and two hypotenuses 51 of described milling angle portion 5 exceed teeth groove bottom land 331.

As shown in Figure 3, described each milling tooth 32 is provided with successively Head Section 34 and transition region 35 in the direction along milling rotation, each Head Section 34 diametrically along direction be from outside to inside provided with successively groove milling portion 4 for mill out groove on workpiece, the milling angle portion 5 that molds chamfering for milling on the limit wall in these groove opening both sides with for being connected the base portion 6 of ring-type matrix 31 and milling angle portion 5; Each transition region 35 is provided with milling angle portion 5 and base portion 6 successively along direction from outside to inside diametrically; On same milling tooth 32, the peripheral outer wall of the peripheral outer wall of Head Section 34 and transition region 35 is combined to form described arcwall face 7; The both sides of the edge place of described each milling angle portion 5 outboard ends is equipped with hypotenuse 51, described groove milling portion 4 be the peripheral outer wall wall body between milling angle portion 5 outboard end two hypotenuses 51 radially protrude form.

In the present embodiment, described driving mechanism 2 is motor, and described driving shaft 21 is output shafts of this motor, and described milling cutter 3 is arranged on output shaft by its axis hole 311.

(embodiment 2)

Fig. 4 and Fig. 5 have shown the another kind of specific embodiment of the present embodiment, and wherein Fig. 4 is a kind of perspective view of the second milling cutter in groover shown in Fig. 1; Fig. 5 is a kind of structural representation of facing of milling cutter shown in Fig. 4.

The present embodiment is substantially the same manner as Example 1, and difference is: described each milling tooth 32 is provided with successively Head Section 34, transition region 35 and tail region 36 in the direction along milling rotation; The structure of each Head Section 34 and transition region 35 is substantially the same manner as Example 1, and each tail region 36 is only provided with base portion 6 successively along direction from outside to inside diametrically; On same milling tooth 32, the peripheral outer wall of the peripheral outer wall of Head Section 34, transition region 35 and the peripheral outer wall of tail region 36 are combined to form described arcwall face 7.

Above-described embodiment 1 and embodiment 2 are when processing and manufacturing, each milling tooth can in a milling process, complete engine commutator in the machine-shaping of insulation tank and copper coin chamfering, compare with the mode that adopts conventional tool to need secondary milling just can complete, obviously and effectively improve working (machining) efficiency and cost rate.

Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation or the change that connotation of the present invention extends out and still belong to protection scope of the present invention.

Claims

1. a groover, comprises guide rail mechanism (1), is fixed on the driving mechanism with driving shaft (21) (2) on guide rail mechanism (1); It is characterized in that: also comprise a milling cutter (3) being fixed on driving shaft (21); Described milling cutter (3) comprises the ring-type matrix (31) that is provided with axis hole (311) and a plurality of milling teeth (32) that are arranged on matrix periphery; Between adjacent two milling teeth (32), be provided with teeth groove (33); The peripheral outer wall of described each milling tooth (32) is an arcwall face (7), a face of each milling tooth (32) and previous milling tooth (32) adjacency is milling face (8), arcwall face (7) the clamping formation teeth groove (33) of this milling face (8) and another milling tooth (32) of being adjacent; Described milling face (8) comprises the groove milling face (83) of the basal plane (81) of rectangle, the milling angle face (82) of isosceles trapezoid and rectangle diametrically successively along direction from inside to outside; The adjacent part of the arcwall face (7) of described basal plane (81) and another milling tooth (32) of being adjacent forms teeth groove bottom land (331); Described each milling tooth (32) is provided with successively Head Section (34) and transition region (35) in the direction along milling rotation, each Head Section (34) diametrically along direction be from outside to inside provided with successively groove milling portion (4) for mill out groove on workpiece, for milling on the limit wall in these groove opening both sides, mold the milling angle portion (5) of chamfering with for being connected the base portion (6) of ring-type matrix (31) and milling angle portion (5); Each transition region (35) is provided with milling angle portion (5) and base portion (6) successively along direction from outside to inside diametrically; Same milling tooth (32) is upper, and the peripheral outer wall of the peripheral outer wall of Head Section (34) and transition region (35) is combined to form described arcwall face (7); The both sides of the edge place of described each milling angle portion (5) outboard end is equipped with hypotenuse (51), described groove milling portion (4) be the peripheral outer wall wall body between milling angle portion (5) outboard end two hypotenuses (51) radially protrude form; Two hypotenuses (51) of described milling angle portion (5) exceed teeth groove bottom land (331).

2. groover according to claim 1, is characterized in that: described each milling tooth (32) is provided with successively Head Section (34), transition region (35) and tail region (36) in the direction along milling rotation; Each tail region (36) is only provided with base portion (6) successively along direction from outside to inside diametrically; Same milling tooth (32) is upper, and the peripheral outer wall of the peripheral outer wall of Head Section (34), transition region (35) and the peripheral outer wall of tail region (36) are combined to form described arcwall face (7).

3. groover according to claim 1, it is characterized in that: described driving mechanism (2) is a motor, described driving shaft (21) is the output shaft of this motor, and described milling cutter (3) is arranged on output shaft by its axis hole (311).