CN202388290U

CN202388290U - Code disc for electric cutter carrier of economical numeral control machine tool

Info

Publication number: CN202388290U
Application number: CN2011202352736U
Authority: CN
Inventors: 周发中
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-07-05
Filing date: 2011-07-05
Publication date: 2012-08-22
Anticipated expiration: 2021-07-05

Abstract

The utility model discloses a code disc for an electric cutter carrier of an economical numeral control machine tool, which is characterized in that: the code disc comprises a fixed disc, a rotating disc and a central shaft; the fixed disc and the rotating disc are provided with inner holes; the fixed disc is also provided with static contacts which are equipped in pairs; the rotating disc is provided with a pair of movable contacts which correspond with the static contacts; the central shaft passes through the inner hole of the fixed disc and the rotating disc and is fixedly connected with the fixed disc and the rotating disc so that the fixed disc and the rotating disc rotate relatively. The code disc for the electric cutter carrier of the economical numeral control machine tool realizes reliable contact of the code disc through a simple structure and ensures no damage after long-time use. Furthermore the code disc does not require exchange in the whole period of the machine tool. Through experiment, the code disc can rotate for 100W rings, and the service life can reach 10 years. Furthermore because of simple structure, not only is production facilitated, but also the cost is low. The code disc is suitable for wide popularization.

Description

The economical NC machine tool electric driving tool post is used code-disc

Technical field

The utility model relates to a kind of code-disc, relates in particular to a kind of economical NC machine tool electric driving tool post and uses code-disc.

Background technology

The code-disc type that electric driving tool post adopted in economical NC machine tool is divided into two kinds usually: a kind of electronics code-disc of being made up of electronic component, a kind of mechanical type code-disc of being made up of mechanical contact.

Though the electronics code-disc has the advantage of not having the machinery wearing and tearing, because the electronic components that self adopt in a large number are very fragile, damage very easily is short-circuited under the situation of voltage instability; Because a large amount of uses of the cooling fluid of economical lathe, it is moist to make that working environment all compares usually, very easily causes the generation of short trouble too.

As same a large amount of traditional mechanical formula code-discs that use; Exist very important defective especially: because tradition adopts the mode of sliding friction film, form the loop, because the out-of-flatness that each contact is laid; Hindered during the slip of metal preparation of friction wafer and each contact; Move not steadily, produce shake, reduced the reliability of whole system.

Summary of the invention

The utility model is to the proposition of above problem, and a kind of economical NC machine tool electric driving tool post of development is used code-disc, it is characterized in that having: fixed disk, rolling disc and central shaft; Said fixed disk and rolling disc have endoporus, and said fixed disk also has the stationary contact of paired setting;

Said rolling disc has the corresponding movable contact of a pair of and said stationary contact;

Said central shaft passes the endoporus of said fixed disk and rolling disc, is fixedly connected with rolling disc with said fixed disk, and said fixed disk and rolling disc are relatively rotated.

Said stationary contact comprises stationary contact A, stationary contact B and public stationary contact;

Said stationary contact A, stationary contact B and public stationary contact are conductor, are installed on fixed disk inside, and said stationary contact A, stationary contact B and public stationary contact are the contact in the said fixed disk one side relative with rolling disc;

Said stationary contact A and public stationary contact are binding post at said fixed disk and the opposing one side of rolling disc.

Stationary contact B is connected with public stationary contact through the conductor in the fixed disk.

Said movable contact is 2 protruding points on the conductor, and the stationary contact A of the spacing of said 2 projecting points and said paired setting is identical with the center distance of stationary contact B.

Said fixed disk endoporus has bearing, said central shaft and this bearing interference fit; The endoporus interference fit of central shaft and rolling disc.

Said stationary contact A, stationary contact B, public stationary contact and movable contact are copper conductor.

Because the economical NC machine tool electric driving tool post that has adopted technique scheme, the utility model to provide is used code-disc, has realized through a kind of simple structure; The code-disc contact is reliably contacted, guarantee that long-time use does not damage, can follow whole lathe life cycle and need not change; The results showed; Can reach the 100W circle service life of this code-disc, calculate with normal operating position, the life-span can be for 10 years.And because it is simple in structure, not only be convenient to produce, and cost is very cheap is suitable for extensive popularization.

Description of drawings

Fig. 1 is the cutaway view of the utility model assembled state

Fig. 2 is the front view of the utility model fixed disk contact-making surface

Fig. 2-1 is the C-C cross-sectional view of the utility model fixed disk

Fig. 3 is the cutaway view of the utility model fixed disk

Fig. 4 is the front view of the utility model rolling disc

Fig. 5 is the utility model rolling disc A-A face cutaway view

Fig. 6 is the utility model fixed disk binding post and interconnector sketch map.

Among the figure: 1. fixed disk, 101. stationary contact A, 102. stationary contact B, 103. public stationary contact .2. rolling discs, 201. movable contacts, 3. central shaft.

The specific embodiment

Fig. 1 is the cutaway view of the utility model assembled state; Fig. 2 is the front view of the utility model fixed disk contact-making surface; Fig. 3 is the cutaway view of the utility model fixed disk; Like Fig. 1-shown in Figure 3: a kind of economical NC machine tool electric driving tool post is used code-disc; As a preferred implementation: have the fixed disk 1 of a plurality of stationary contacts of mounted in pairs, when concrete the use, 4 pairs of 8 stationary contacts of 4 stations can be installed as required, the same stationary contact that 6 stations, 8 stations and multistation also can be set according to actual needs.Endoporus at fixed disk 1 is installed with bearing.

Fig. 4 is the front view of the utility model rolling disc, and Fig. 5 is the utility model rolling disc A-A face cutaway view.By Fig. 4 and said rolling disc 2 shown in Figure 5; Have movable contact 201, this movable contact 201 is as a preferred implementation: be two protruding points on the metallic conductor, on the relative position of rolling disc 2, have the groove that is used to hold said metallic conductor; This groove inside has 2 fixed cylinder; In order to the fixed installation spring, spring supports said metallic conductor, makes this metallic conductor have scalability.

Fixed disk 1 is connected through central shaft 3 with rolling disc 2, and as a preferred implementation, central shaft 3 passes the endoporus of rolling disc 2, with the endoporus interference fit of rolling disc 2, central shaft 3 and rolling disc 2 constituted is fixedly connected, and can not produce relative to rotate; Central shaft 3 and the interference fit realization secure fit of fixed disk 1 through central shaft 3 and fixed disk 1 endoporus.So just guarantee that rolling disc 2 can center on central shaft 3 and do the rotation with respect to fixed disk 1.

Said stationary contact comprises stationary contact A101, stationary contact B102 and public stationary contact 103;

Said stationary contact A101, stationary contact B102 and public stationary contact 103 are copper metallic conductor as a preferred implementation; Be installed on fixed disk 1 inside, as a preferred implementation, stationary contact A101, stationary contact B102 and public stationary contact 103 are circular planar contacts in said fixed disk 1 and rolling disc 2 relative one sides; And this planar contacts smooth surface; Can slip over stably during with its surface of assurance movable contact 201 processes, stationary contact A101 and public stationary contact 103 are binding post at said fixed disk 1 with rolling disc 2 opposing one sides, work as turn disc; Driving movable contact 201 rotates; When slipping over stationary contact and shared stationary contact respectively, produce conducting and cut-off switch signal, be input to the digital control system interface through above-mentioned binding post.

Stationary contact B102 is connected with public stationary contact 103 through the conductor in the fixed disk 1.Can reduce the quantity of wiring, reduce the generation of fault.

The above; Be merely the preferable specific embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technical staff who is familiar with the present technique field is equal to replacement or changes according to the technical scheme of the utility model and inventive concept thereof in the technical scope that the utility model discloses, and all should be encompassed within the protection domain of the utility model.

Claims

1. an economical NC machine tool electric driving tool post is used code-disc, it is characterized in that having: fixed disk (1), rolling disc (2) and central shaft (3); Said fixed disk (1) and rolling disc (2) have endoporus, and said fixed disk (1) also has the stationary contact of paired setting;

Said rolling disc (2) has the corresponding movable contact (201) of a pair of and said stationary contact;

Said central shaft (3) passes the endoporus of said fixed disk (1) and rolling disc (2), is fixedly connected with rolling disc (2) with said fixed disk (1), and said fixed disk (1) and rolling disc (2) are relatively rotated.

2. economical NC machine tool electric driving tool post according to claim 1 is used code-disc, and its characteristic also is: said stationary contact comprises stationary contact A (101), stationary contact B (102) and public stationary contact (103);

Said stationary contact A (101), stationary contact B (102) and public stationary contact (103) are conductor; Be installed on fixed disk (1) inside, said stationary contact A (101), stationary contact B (102) and public stationary contact (103) are the contact in said fixed disk (1) one side relative with rolling disc (2);

Said stationary contact A (101) and public stationary contact (103) are binding post at said fixed disk (1) with the opposing one side of rolling disc (2);

Stationary contact B (102) is connected with public stationary contact (103) through the conductor in the fixed disk (1).

3. economical NC machine tool electric driving tool post according to claim 1 is used code-disc; Its characteristic also is: said movable contact (201) is 2 protruding points on the conductor, and the spacing of said 2 projecting points is identical with the center distance of stationary contact B (102) and public stationary contact (103) with the stationary contact A (101) of said paired setting.

4. economical NC machine tool electric driving tool post according to claim 1 is used code-disc, and its characteristic also is: said rolling disc (2) endoporus has bearing, said central shaft (3) and this bearing interference fit; The endoporus interference fit of central shaft (3) and fixed disk (1).

5. economical NC machine tool electric driving tool post according to claim 1 is used code-disc, and its characteristic also is: said stationary contact A (101), stationary contact B (102), public stationary contact (103) and movable contact (201) are copper conductor.