CN210937154U

CN210937154U - Mechanical direct-connection transmission main shaft

Info

Publication number: CN210937154U
Application number: CN201921867401.1U
Authority: CN
Inventors: 蒋小华
Original assignee: Liyang Hualei Forging Co ltd
Current assignee: Liyang Hualei Forging Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-07-07
Anticipated expiration: 2029-11-01

Abstract

The utility model belongs to the technical field of the machine-building, especially, be a transmission main shaft is directly ally oneself with to machinery, including linkage main shaft main part, linkage main shaft main part one side fixedly connected with connects the rotation groove, connects and rotates groove one side fixedly connected with main part go-between, main part go-between one side fixedly connected with main shaft connector, the inside fixedly connected with center countershaft of main shaft connector, main shaft connector one end surface fixed connection is connected protrudingly, main shaft connector surface one side fixedly connected with set screw hole, main shaft connector surface fixed is provided with the fixed connection hole. The utility model discloses a set up a novel direct connection transmission main shaft, through at the inside installation center countershaft that increases of main shaft, connect through the high accuracy of inside and outside main shaft, through the sealing connection design, increase the stability of main shaft, through the positioner at main shaft both ends, make things convenient for the location installation of main shaft, improved the life of main shaft, improved the precision of main shaft, made things convenient for user's operation and use.

Description

Mechanical direct-connection transmission main shaft

Technical Field

The utility model relates to a machine-building technical field specifically is a machinery direct-connected transmission main shaft.

Background

The main axis is also called as the optical axis, which is the abbreviation of the main optical axis: having a symmetrical diameter in the optical train. For example, the major axis of the sphere is a straight line passing through the center of the mirror surface and perpendicular to the mirror surface. The principal axis of a lens or optical axis optical train is the line connecting the centers of the lens faces. The electric spindle is a new technology which integrates a machine tool spindle and a spindle motor into a whole and appears in the field of numerical control machines in recent years, and the electric spindle, together with a linear motor technology and a high-speed cutter technology, can push high-speed machining to a new era. The electric spindle is a set of components, which includes the electric spindle itself and its accessories: the device comprises an electric spindle, a high-frequency conversion device, an oil mist lubricator, a cooling device, a built-in encoder and a tool changing device. The technology fused by the electric spindle: the high-speed bearing technology comprises the following steps: the electric main shaft is usually a composite ceramic bearing, is wear-resistant and heat-resistant, and has a service life several times longer than that of the traditional bearing; sometimes, an electromagnetic suspension bearing or a hydrostatic bearing is also adopted, the inner ring and the outer ring are not contacted, and the service life is theoretically unlimited; the high-speed motor technology comprises the following steps: the electric spindle is a product formed by fusing the motor and the spindle, a rotor of the motor is a rotating part of the spindle, and the electric spindle can be regarded as a high-speed motor theoretically. The key technology is dynamic balance at high speed; lubrication: the lubrication of the electric spindle generally adopts timing and quantitative oil-gas lubrication; grease lubrication may also be used, but the corresponding speed is compromised. The timing is to inject oil once at regular time intervals. The metering is to precisely control the amount of lubricating oil each time through a device called a metering valve. And the oil-air lubrication means that lubricating oil is blown into the ceramic bearing under the carrying of compressed air. The oil quantity control is very important and too little, so that the lubricating effect cannot be achieved; too much, heat is generated by the resistance of oil when the bearing rotates at high speed.

There are the following problems:

the main shaft is the key part in modern digit control machine tool, often needs the good steel of material to make, however current main shaft has the precision not high, and life is short, needs regularly change scheduling problem, and current main shaft can be along with the increase of live time, and the outside can produce wearing and tearing, causes the unable continuation work of main shaft.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a machinery direct connection transmission main shaft has solved the main shaft and has had the precision not high, and life is short, needs regularly change the scheduling problem, and current main shaft can be along with the increase of live time, and the outside can produce wearing and tearing, causes the problem of the unable continuation work of main shaft.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a machinery direct-coupled transmission main shaft, includes linkage main shaft main part, linkage main shaft main part one side fixedly connected with connects the rotation groove, connect and rotate groove one side fixedly connected with main part go-between, main part go-between one side fixedly connected with main shaft connector, the inside fixedly connected with center countershaft of main shaft connector, main shaft connector one end outer fixed surface is connected protrudingly, main shaft connector surface one side fixedly connected with fixed screw hole, main shaft connector surface fixed surface is provided with fixed connection hole, connect protruding one side fixedly connected with center connection arch, protruding middle part fixedly connected with fixed screw block is connected in the center, the protruding outer fixed surface of center connection is provided with the locating hole, center countershaft middle part fixed center spread groove has been seted up.

As a preferred technical scheme of the utility model, central countershaft cup joints with the linkage main shaft main part each other, central countershaft and the interior surface of linkage main shaft main part be laminated zonulae occludens each other.

As a preferred technical scheme of the utility model, the main part go-between is a whole with the linkage main shaft main part, the main part go-between encircles the surface of fixing at the linkage main shaft main part.

As an optimal technical scheme of the utility model, connect and rotate the groove and set up in linkage main shaft main part surface one side through cutting process, it is the cyclic annular transmission groove of multiunit to connect to rotate the groove.

As a preferred technical scheme of the utility model, the set screw piece passes through the transmission and connects and the inside fixed connection of center countershaft, the locating hole extends to the center and connects protruding inside, fixed connection hole extends to inside the main shaft connector.

As a preferred technical scheme of the utility model, the main shaft connector passes through the fixed screw hole and links the sealed fixed connection of main shaft main part, central spread groove and the inside intercommunication of main shaft main part that links.

As an optimized technical scheme of the utility model, the quantity of fixed bolt piece is two sets of, fixed bolt piece is axisymmetric about the bellied perpendicular center line of central connection, the locating hole is connected bellied outward appearance at the center and is personally submitted the annular array part.

Compared with the prior art, the utility model provides a machinery direct-connected transmission main shaft possesses following beneficial effect:

this mechanical direct-connection transmission main shaft through setting up a novel direct-connection transmission main shaft, through at main shaft inside increase installation center countershaft, connects through the high accuracy of inside and outside main shaft, through the sealing connection design, increases the stability of main shaft, through the positioner at main shaft both ends, makes things convenient for the location installation of main shaft, has improved the life of main shaft, has improved the precision of main shaft, has made things convenient for user's operation and use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of the auxiliary shaft structure of the present invention.

In the figure: 1. a main shaft body in linkage; 2. connecting the rotating groove; 3. a main body connecting ring; 4. a main shaft connector; 5. a central auxiliary shaft; 6. a connecting projection; 7. fixing screw holes; 8. fixing the connecting hole; 9. a central connecting bulge; 10. a fixed bolt block; 11. positioning holes; 12. a central connecting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-3, in this embodiment: a mechanical direct-connection transmission main shaft comprises a linkage main shaft main body 1, one side of the linkage main shaft main body 1 is fixedly connected with a connection rotating groove 2, one side of the connection rotating groove 2 is fixedly connected with a main body connecting ring 3, one side of the main body connecting ring 3 is fixedly connected with a main shaft connecting head 4, a central auxiliary shaft 5 is fixedly connected inside the main shaft connecting head 4, the outer surface of one end of the main shaft connecting head 4 is fixedly connected with a connecting bulge 6, one side of the outer surface of the main shaft connecting head 4 is fixedly connected with a fixed screw hole 7, the outer surface of the main shaft connecting head 4 is fixedly provided with a fixed connecting hole 8, one side of the connecting bulge 6 is fixedly connected with a central connecting bulge 9, the middle part of the central connecting bulge 9 is fixedly; the main body 1 of the linkage main shaft can be connected with an external device through a connecting rotating groove 2 which is fixedly arranged on the outer surface of the main body 1 of the linkage main shaft, the main body of the linkage main shaft is convenient to install and use, the central auxiliary shaft 5 is tightly connected with the main body 1 of the linkage main shaft through a fixed bolt block 10, the central auxiliary shaft 5 is guaranteed to be tightly attached to the inner surface and the outer surface of the main body 1 of the linkage main shaft, the precision of the main body 1 of the linkage main shaft is improved, the main body 1 of the linkage main shaft can be quickly connected with the external device through a fixed connecting hole 8 and a locating hole 11, the main body 1 of the linkage main shaft can be accurately connected with the external device, the outer surface of the main body 1 of the linkage.

In the embodiment, a central auxiliary shaft 5 is sleeved with a linkage main shaft main body 1, the inner surface and the outer surface of the central auxiliary shaft 5 are tightly connected with the inner surface and the outer surface of the linkage main shaft main body 1, a main body connecting ring 3 is integrated with the linkage main shaft main body 1, the main body connecting ring 3 is fixed on the outer surface of the linkage main shaft main body 1 in a surrounding way, a connecting rotating groove 2 is arranged on one side of the outer surface of the linkage main shaft main body 1 through cutting, the connecting rotating groove 2 is a plurality of groups of annular transmission grooves, a fixed bolt block 10 is fixedly connected with the inner part of the central auxiliary shaft 5 through transmission connection, a positioning hole 11 extends to the inner part of a central connecting bulge 9, a fixed connecting hole 8 extends to the inner part of a main shaft connector 4, the main shaft connector 4 is fixedly connected with the linkage main body 1 in, the fixed bolt blocks 10 are axially symmetrical about the vertical center line of the central connecting bulge 9, and the positioning holes 11 are in an annular array part on the outer surface of the central connecting bulge 9; the central auxiliary shaft 5 is tightly connected with the linkage main shaft main body 1 through the fixed bolt block 10, so that the central auxiliary shaft 5 is tightly attached to the inner surface and the outer surface of the linkage main shaft main body 1, the precision of the linkage main shaft main body 1 is improved, and the linkage main shaft main body 1 can be quickly connected with an external device through the fixed connecting hole 8 and the positioning hole 11.

The utility model discloses a theory of operation and use flow: one side of the main body 1 of the linkage main shaft is fixedly connected with a connecting rotating groove 2, one side of the connecting rotating groove 2 is fixedly connected with a main body connecting ring 3, the main body 1 of the linkage main shaft can be connected with external devices through the connecting rotating groove 2 fixedly arranged on the outer surface of the main body 1 of the linkage main shaft, the main body of the linkage main shaft is convenient to install and use, the central auxiliary shaft 5 is tightly connected with the main body 1 of the linkage main shaft through a fixed bolt block 10, the central auxiliary shaft 5 is tightly attached to the inner surface and the outer surface of the main body 1 of the linkage main shaft, the precision of the main body 1 of the linkage main shaft is improved, the main body 1 of the linkage main shaft can be quickly connected with the external devices through a fixed connecting hole 8 and a positioning hole 11, the main body 1 of the linkage main shaft can be precisely connected with the external devices, through setting up a novel direct connection transmission main shaft, through at the inside installation center countershaft that increases of main shaft, connect through the high accuracy of inside and outside main shaft, through the sealing connection design, increase the stability of main shaft, through the positioner at main shaft both ends, make things convenient for the location installation of main shaft, improved the life of main shaft, improved the precision of main shaft, made things convenient for user's operation and use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a machinery directly allies oneself with transmission main shaft, includes linkage main shaft main part (1), its characterized in that: the linkage main shaft comprises a linkage main shaft body (1), a main shaft connecting ring (3), a main shaft connecting head (4), a central auxiliary shaft (5) fixedly connected with the inside of the main shaft connecting head (4), a connecting bulge (6) fixedly connected with the outer surface of one end of the main shaft connecting head (4), a fixing screw hole (7) fixedly connected with one side of the outer surface of the main shaft connecting head (4), a fixing connecting hole (8) fixedly arranged on the outer surface of the main shaft connecting head (4), a central connecting bulge (9) fixedly connected with one side of the connecting bulge (6), a fixing screw block (10) fixedly connected with the middle part of the central connecting bulge (9), and a positioning hole (11) fixedly arranged on the outer surface of the central connecting bulge (9), the middle part of the central auxiliary shaft (5) is fixedly provided with a central connecting groove (12).

2. The mechanical direct-coupled transmission main shaft according to claim 1, wherein: the central auxiliary shaft (5) is sleeved with the linkage main shaft body (1), and the inner surface and the outer surface of the central auxiliary shaft (5) are tightly attached to and connected with the inner surface and the outer surface of the linkage main shaft body (1).

3. The mechanical direct-coupled transmission main shaft according to claim 1, wherein: the main body connecting ring (3) and the linkage main shaft main body (1) are integrated, and the main body connecting ring (3) is fixed on the outer surface of the linkage main shaft main body (1) in a surrounding mode.

4. The mechanical direct-coupled transmission main shaft according to claim 1, wherein: the connecting and rotating groove (2) is arranged on one side of the outer surface of the linkage main shaft body (1) through cutting processing, and the connecting and rotating groove (2) is a plurality of groups of annular transmission grooves.

5. The mechanical direct-coupled transmission main shaft according to claim 1, wherein: the fixing bolt block (10) is connected with the inner part of the central auxiliary shaft (5) in a transmission mode and fixedly connected with the inner part of the central auxiliary shaft, the positioning hole (11) extends to the inner part of the central connecting bulge (9), and the fixing connecting hole (8) extends to the inner part of the main shaft connector (4).

6. The mechanical direct-coupled transmission main shaft according to claim 1, wherein: the main shaft connector (4) is fixedly connected with the linkage main shaft body (1) in a sealing mode through a fixed screw hole (7), and the center connecting groove (12) is communicated with the interior of the linkage main shaft body (1).

7. The mechanical direct-coupled transmission main shaft according to claim 1, wherein: the number of the fixing bolt blocks (10) is two, the fixing bolt blocks (10) are axially symmetrical relative to the vertical center line of the central connecting bulge (9), and the positioning holes (11) are arranged on the outer surface of the central connecting bulge (9) to form an annular array part.