CN218283748U

CN218283748U - Motor and main shaft connecting mechanism

Info

Publication number: CN218283748U
Application number: CN202221868469.3U
Authority: CN
Inventors: 王俸林; 杨正顺; 韦庆山; 李生爽
Original assignee: Hanjingye Village Dalian Precision Machinery Co ltd
Current assignee: Hanjingye Village Dalian Precision Machinery Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2023-01-13
Anticipated expiration: 2032-07-20

Abstract

The utility model relates to a bore and mill processing technology field, and disclose a motor and main shaft coupling mechanism, including cavity spindle motor body, the output of cavity spindle motor body is provided with the connecting axle, and the connecting axle outer wall has cup jointed the shaft coupling, and the shaft coupling inner wall is provided with the connecting hole, and the connecting hole extends to connecting axle one side inner wall, and the connecting hole inner wall is provided with central water main shaft, central water main shaft top outer wall has cup jointed the spring, and the spring sets up in connecting axle bottom outer wall, the connecting axle outer wall is provided with the spread groove, and the spread groove inner wall is provided with O type sealing washer one. The utility model discloses in, through O type sealing washer two, O type sealing washer three and the spread groove that sets up, can ensure that the lathe does not produce when using high-pressure center play water function and reveal, stable continuous through the water under high pressure carry the central main shaft that goes out water in, avoid producing to reveal, and connecting axle department produces not hard up problem.

Description

Motor and main shaft connecting mechanism

Technical Field

The utility model relates to a bore and mill processing technology field, especially relate to a motor and main shaft coupling mechanism.

Background

According to the processing characteristics of a drilling and milling machine tool, the milling processing is mainly surface cutting feeding, large torque and high rotating speed are required, and a main shaft mainly bears radial load; the drilling process is a deep cutting feed, which not only needs a large torque, but also generates a large axial resistance, and a connecting mechanism is needed to be arranged between the motor and the main shaft to connect the motor and the main shaft.

The connecting shaft is directly connected with the motor shaft and the main shaft in a general connecting structure, an O-shaped ring is adopted for sealing, and a locking structure is not adopted.

To this end, we propose a motor to main shaft connection.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide a motor and spindle connecting mechanism.

In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, a motor and main shaft coupling mechanism, including cavity spindle motor body, the output of cavity spindle motor body is provided with the connecting axle, and the connecting axle outer wall has cup jointed the shaft coupling, and the shaft coupling inner wall is provided with the connecting hole, and the connecting hole extends to connecting axle one side inner wall, and the connecting hole inner wall is provided with central water main shaft, the spring has been cup jointed to central water main shaft top outer wall, and the spring sets up in connecting axle bottom outer wall, the connecting axle outer wall is provided with the spread groove, and the spread groove inner wall is provided with O type sealing washer one.

Furthermore, two fixing grooves are formed in the top of the central water outlet main shaft close to the outer wall of the connecting shaft, and the inner walls of the two fixing grooves are fixedly connected with a second O-shaped sealing ring and a third O-shaped sealing ring respectively.

Further, three outer walls of the O-shaped sealing ring are attached to the inner wall of the connecting shaft, a check ring is arranged on the two outer walls of the O-shaped sealing ring, and the check ring is attached to the inner wall of the connecting shaft.

Furthermore, the cross section of the connecting groove is isosceles trapezoid, and the upper bottom of the trapezoid is close to the inner side of the connecting shaft.

Furthermore, a plurality of extrusion grooves which are linearly arranged are formed in the inner wall of the connecting groove and are close to two waists of the connecting groove, the extrusion grooves are cylindrical, and the radius of one side, away from the connecting groove, of each extrusion groove is smaller than that of the outer wall of one side, close to the connecting groove.

Further, the extrusion groove is kept away from spread groove one side and has been seted up the spacing groove, and the spacing groove is cylindric, and a plurality of damping pieces that are linear arrangement of the equal fixedly connected with in spacing inslot wall both ends, and the damping piece is the arc, and the damping piece cambered surface gets into the direction along O type sealing washer one.

Advantageous effects

The utility model provides a motor and main shaft connecting mechanism. The method has the following beneficial effects:

(1) The connecting shaft is connected to the hollow spindle motor body, the central water outlet spindle is inserted into the connecting shaft and is simultaneously propped below the connecting shaft by the spring, the O-shaped sealing ring II, the O-shaped sealing ring III and the connecting groove are jointly sealed in the whole connecting structure, the spring plays a role in preventing looseness, high-pressure water flows from the hollow spindle motor body, the hollow spindle motor body flows through the connecting shaft and then flows to the central water outlet spindle, the high-pressure water can be ensured not to leak when the high-pressure central water outlet function is used by a machine tool, the machine tool is stably and continuously conveyed into the central water outlet spindle through the high-pressure water, the leakage is avoided, and the problem of looseness is caused at the connecting shaft.

(2) This motor and spindle coupling mechanism, through extrusion groove and the spacing groove that sets up, when O type sealing washer cup joints in the spread groove, because the spread groove is transversal personally submits trapezoidal, thereby inside O type sealing washer one can more portably get into the spread groove, and when O type sealing washer one gets into wherein, spread groove inner wall extrudees O type sealing washer one this moment, O type sealing washer one can produce deformation, get into the spacing inslot through extrusion groove through deformation, because the damping piece cambered surface of spacing inslot portion gets into the direction the same with O type sealing washer one, thereby O type sealing washer one can not receive the resistance when getting into the spacing inslot, and when O type sealing washer one is not hard up to leave the spacing groove, can receive the resistance of damping piece department, avoid O type sealing washer one to leave the spacing inslot, can avoid appearing rocking in the connecting axle, O type sealing washer one appears shaking, influence the sealed effect of O type sealing washer one.

Drawings

The structures, proportions, sizes, and other elements shown in the specification are for the understanding of the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the claims, but rather by the claims.

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

FIG. 2 is a cross-sectional view of the present invention at the connection axis;

fig. 3 is an enlarged view of a portion a of fig. 2.

Illustration of the drawings: 1. a hollow spindle motor body; 2. a connecting shaft; 3. a coupling; 4. a central water outlet main shaft; 5. a spring; 6. a first O-shaped sealing ring; 7. an O-shaped sealing ring II; 8. an O-shaped sealing ring III; 9. connecting grooves; 10. extruding a groove; 11. a limiting groove; 12. a damping block.

Detailed Description

The utility model provides a motor and main shaft coupling mechanism, as shown in fig. 1, including cavity main shaft motor body 1, the output of cavity main shaft motor body 1 is provided with connecting axle 2, coupling 3 has been cup jointed to connecting axle 2 outer wall, and coupling 3 inner wall is provided with the connecting hole, the connecting hole extends to connecting axle 2 one side inner wall, the connecting hole inner wall is provided with central play water main shaft 4, the outer wall of 4 tops of central play water main shaft has cup jointed spring 5, spring 5 sets up in connecting axle 2 bottom outer walls, connecting axle 2 outer walls are provided with spread groove 9, spread groove 9 inner wall is provided with O type sealing washer 6.

Two fixing grooves are formed in the top of the central water outlet main shaft 4 close to the outer wall of the connecting shaft 2, and the inner walls of the two fixing grooves are fixedly connected with an O-shaped sealing ring II 7 and an O-shaped sealing ring III 8 respectively.

The outer wall of the O-shaped sealing ring III 8 is attached to the inner wall of the connecting shaft 2, and the outer wall of the O-shaped sealing ring II 7 is provided with a retaining ring which is attached to the inner wall of the connecting shaft 2.

As shown in fig. 2-3, the connecting groove 9 has an isosceles trapezoid cross section, and the upper base of the trapezoid is close to the inner side of the connecting shaft 2.

A plurality of extrusion grooves 10 which are linearly arranged are formed in the inner wall of the connecting groove 9, which is close to two waists of the connecting groove 9, the extrusion grooves 10 are cylindrical, and the radius of one side, which is far away from the connecting groove 9, of each extrusion groove 10 is smaller than that of the outer wall of one side, which is close to the connecting groove 9.

The extrusion groove 10 is far away from spread groove 9 one side and has been seted up spacing groove 11, and spacing groove 11 is cylindric, and the equal fixedly connected with a plurality of damping piece 12 that are linear arrangement in 11 inner wall both ends of spacing groove, and damping piece 12 is the arc, and damping piece 12 cambered surface is along 6 entering directions of O type sealing washer.

The utility model discloses a theory of operation: through the O-shaped sealing ring II 7, the O-shaped sealing ring III 8 and the connecting groove 9 which are arranged, when the connecting shaft 2 is connected to the hollow spindle motor body 1, the central water outlet spindle 4 is inserted into the connecting shaft 2, meanwhile, the spring 5 is used for pushing against the lower surface of the connecting shaft 2, the O-shaped sealing ring II 7 and the O-shaped sealing ring III 8 and the connecting groove 9 are jointly sealed in the whole connecting structure, the spring 5 plays a role in preventing looseness, high-pressure water flows through the connecting shaft 2 and then flows to the central water outlet spindle 4, the high-pressure water outlet function of the machine tool can be ensured, leakage does not occur when the machine tool uses the high-pressure central water outlet function, the machine tool is stably and continuously conveyed into the central water outlet spindle 4 through the high-pressure water, leakage is avoided, and the problem of looseness is caused at the position of the connecting shaft 2.

Through the extrusion groove 10 and the spacing groove 11 that set up, when O type sealing washer 6 cup joints in spread groove 9, because spread groove 9 is transversal personally submitting trapezoidal, thereby O type sealing washer 6 can more portably get into inside spread groove 9, and when O type sealing washer 6 got into wherein, spread groove 9 inner wall extrudees O type sealing washer 6 this moment, O type sealing washer 6 can produce deformation, get into inside spacing groove 11 through extrusion groove 10 through deformation, because the inside damping piece 12 cambered surface of spacing groove 11 is the same with O type sealing washer 6 entering direction, thereby O type sealing washer 6 can not receive the resistance when getting into inside spacing groove 11, and when O type sealing washer 6 is not hard up and leaves spacing groove 11, can receive the resistance of damping piece 12 department, avoid O type sealing washer 6 to leave inside spacing groove 11, can avoid appearing rocking when connecting axle 2, O type sealing washer 6 appears shaking, influence the sealed effect of O type sealing washer 6.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a motor and main shaft coupling mechanism, includes cavity spindle motor body (1), its characterized in that: the output of cavity spindle motor body (1) is provided with connecting axle (2), and connecting axle (2) outer wall has cup jointed shaft coupling (3), and shaft coupling (3) inner wall is provided with the connecting hole, and the connecting hole extends to connecting axle (2) one side inner wall, and the connecting hole inner wall is provided with central play water main shaft (4), spring (5) have been cup jointed to central play water main shaft (4) top outer wall, and spring (5) set up in connecting axle (2) bottom outer wall, connecting axle (2) outer wall is provided with spread groove (9), and spread groove (9) inner wall is provided with O type sealing washer (6).

2. A motor and spindle connection according to claim 1, wherein: two fixing grooves are formed in the top of the central water outlet main shaft (4) close to the outer wall of the connecting shaft (2), and the inner walls of the two fixing grooves are fixedly connected with an O-shaped sealing ring II (7) and an O-shaped sealing ring III (8) respectively.

3. A motor and spindle connection according to claim 2, wherein: the outer wall of the O-shaped sealing ring III (8) is attached to the inner wall of the connecting shaft (2), the outer wall of the O-shaped sealing ring II (7) is provided with a check ring, and the check ring is attached to the inner wall of the connecting shaft (2).

4. A motor and spindle connection according to claim 1, wherein: the cross section of the connecting groove (9) is isosceles trapezoid, and the upper bottom of the trapezoid is close to the inner side of the connecting shaft (2).

5. A motor and spindle connection according to claim 4, wherein: connecting groove (9) inner wall is close to and has seted up a plurality of extrusion grooves (10) that are linear arrangement on two waists of connecting groove (9), and extrusion groove (10) are cylindric, and extrusion groove (10) keep away from connecting groove (9) one side radius and are less than and be close to connecting groove (9) one side outer wall.

6. A motor and spindle connection according to claim 5, wherein: extrusion groove (10) are kept away from spread groove (9) one side and have been seted up spacing groove (11), and spacing groove (11) are cylindric, and a plurality of damping piece (12) that are linear arrangement of equal fixedly connected with in spacing groove (11) inner wall both ends, and damping piece (12) are the arc, and damping piece (12) cambered surface gets into the direction along O type sealing washer (6).