CN216279285U

CN216279285U - Anti-vibration bending main shaft protection device

Info

Publication number: CN216279285U
Application number: CN202122136502.5U
Authority: CN
Inventors: 张永奇; 杨素梅; 张亚洲; 杨安生
Original assignee: Shenzhen Qifeida Precision Technology Co ltd
Current assignee: Shenzhen Qifeida Precision Technology Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-04-12
Anticipated expiration: 2031-09-06

Abstract

The utility model relates to the technical field of spindles, in particular to a vibration-proof bent spindle protection device, which comprises a protective shell, wherein a first fixing ring is fixedly connected inside the protective shell, a second fixing ring is arranged inside the first fixing ring, a damping component is arranged between the first fixing ring and the second fixing ring, a spindle body is fixedly connected inside a first bearing, a fixed seat is fixedly connected outside a spindle body at one end, a first annular fixed block is fixedly connected to the outer surface of the protective shell at one end close to a protective cover, a plurality of reinforcing rods are fixedly arranged between the first annular fixed block and the second annular fixed block, a second annular fixed block and a fixed seat are arranged outside a bearing sleeve, and the reinforcing rods are fixedly connected with the first annular fixed block outside the protective shell, so that the stability of the joint during rotation can be improved, the strength of the output end of the main shaft body can be increased, and the whole device can run more stably.

Description

Anti-vibration bending main shaft protection device

Technical Field

The utility model relates to the technical field of spindles, in particular to a vibration-proof bending spindle protection device.

Background

The main shaft is mainly used for supporting transmission parts such as gears and belt wheels in a machine and transmitting motion and torque, except for machine tools with rectilinear motion of main motion such as planers and broaches, most machine tools are provided with a main shaft part, the motion precision and the structural rigidity of the main shaft part are important factors determining the processing quality and the cutting efficiency, and the motor usually drives the main shaft to vibrate when in operation, so that a connecting piece is driven to vibrate, and the processing position of a workpiece is influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a vibration-proof bending main shaft protection device which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a vibration-proof bending main shaft protection device comprises a protective shell, wherein a first fixing ring is fixedly connected inside the protective shell, a second fixing ring is arranged inside the first fixing ring, a damping component is arranged between the first fixing ring and the second fixing ring, a first bearing is fixedly connected inside the second fixing ring, baffles are respectively arranged on two sides of the first bearing, a main shaft body is fixedly connected inside the first bearing, a protective cover is fixedly arranged at one end of the protective shell close to the output end of the main shaft body, a second bearing is fixedly connected outside a shaft body at one end of the main shaft body, a bearing sleeve is fixedly connected outside the second bearing, a second annular fixed block is fixedly connected to the middle part of the outer surface of the bearing sleeve, a fixed seat is fixedly connected below the bearing sleeve, and a first annular fixed block is fixedly connected to the outer surface of one end of the protective shell close to the protective cover, and a plurality of reinforcing rods are fixedly arranged between the first annular fixing block and the second annular fixing block.

Preferably, one end of the main shaft body is fixedly connected with a connecting piece, and the connecting piece is sleeved inside the bearing sleeve on one side and is fixedly connected with the main shaft body.

Preferably, the baffle is fixedly connected to one end of the second fixing ring on one side, the baffle is fixedly connected to the inner portion of the second fixing ring on the other side, and the inner rings of the two baffles are respectively located in the middle of outer bearings at two ends of the first bearing.

Preferably, a plurality of mounting grooves have all been seted up in the solid fixed ring inboard of first fixed ring and the solid fixed ring outside of second, the mounting groove is inside all to be provided with damper.

Preferably, the shock-absorbing component comprises a connecting cylinder, arc-shaped fixing plates, connecting columns, guide blocks, conical springs, buffer rubber rings, movable blocks, annular connecting grooves and guide grooves, wherein the connecting cylinder is fixedly connected inside the mounting groove through the arc-shaped fixing plates on two sides.

Preferably, the connecting cylinder is fixedly connected with a connecting column, one end of the connecting column, which is far away from the connecting cylinder, is fixedly connected with a guide block, and the guide block is movably connected in a guide groove formed in the buffering rubber ring.

Preferably, the outer surface of the buffer rubber ring is fixedly connected with a movable block, and two ends of the movable block are respectively provided with an annular connecting groove.

Preferably, the connecting cylinder is internally and fixedly connected with a conical spring outside the connecting column, and one end of the conical spring, which is far away from the connecting cylinder, is fixedly connected to the inner wall of the annular connecting groove.

Compared with the prior art, the utility model has the following beneficial effects:

through set up second annular fixed block and fixing base outside the bearing housing, and with a plurality of stiffeners and the outer first annular fixed block fixed connection of protective housing, stability when not only can improving the junction rotation, can also increase the intensity of main shaft body output, make whole device operation more steady, through set up first solid fixed ring and the solid fixed ring of second in protective housing inside, and set up damper between the two, can cut down the vibrations that main shaft body output brought greatly, avoid protective housing internals resonance, thereby cause to connect not hard up, the condition that the machining precision reduces.

Drawings

FIG. 1 is a schematic view of the overall structure of an anti-vibration bending spindle protector according to the present invention;

FIG. 2 is a front view of the anti-vibration bending spindle protector;

FIG. 3 is a schematic sectional view taken along line A-A in FIG. 2 of an anti-vibration bending spindle protector according to the present invention;

fig. 4 is an exploded view of a shock absorbing assembly in the anti-vibration bending main shaft protection device according to the present invention.

In the figure: 1. a protective housing; 2. a first annular fixed block; 3. a reinforcing bar; 4. a second annular fixed block; 5. a bearing housing; 6. a connecting member; 7. a fixed seat; 8. a protective cover; 9. a shock absorbing assembly; 901. a connecting cylinder; 902. an arc-shaped fixing plate; 903. connecting columns; 904. a guide block; 905. a conical spring; 906. a buffer rubber ring; 907. a movable block; 908. an annular connecting groove; 909. a guide groove; 10. a main shaft body; 11. a first retaining ring; 12. a baffle plate; 13. a second retaining ring; 14. mounting grooves; 15. a first bearing; 16. a second bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1-4, a shock-proof bending spindle protection device comprises a protective casing 1, a first fixing ring 11 is fixedly connected inside the protective casing 1, a second fixing ring 13 is arranged inside the first fixing ring 11, a damping assembly 9 is arranged between the first fixing ring 11 and the second fixing ring 13, a first bearing 15 is fixedly connected inside the second fixing ring 13, two sides of the first bearing 15 are respectively provided with a baffle 12, a spindle body 10 is fixedly connected inside the first bearing 15, a protective cover 8 is fixedly arranged at one end of the protective casing 1 close to the output end of the spindle body 10, a second bearing 16 is fixedly connected outside the spindle body at one end of the spindle body 10, a bearing sleeve 5 is fixedly connected outside the second bearing 16, a second annular fixing block 4 is fixedly connected at the middle part of the outer surface of the bearing sleeve 5, a fixing seat 7 is fixedly connected below the bearing sleeve 5, a first annular fixing block 2 is fixedly connected at one end of the protective casing 1 close to the protective cover 8, a plurality of reinforcing rods 3 are fixedly arranged between the first annular fixing block 2 and the second annular fixing block 4.

Through the technical scheme, junction through main shaft body 10 and connecting piece 6 sets up bearing housing 5, can avoid dust or impurity to get into the connection position, influence the leakproofness of kneck, through set up second annular fixed block 4 and fixing base 7 outside bearing housing 5, and with a plurality of stiffeners 3 and the outer 2 fixed connection of first annular fixed block of protective housing 1, stability when not only can improving the junction rotation, can also increase the intensity of main shaft body 10 output, make whole device operation more steady, through set up first solid fixed ring 11 and the solid fixed ring 13 of second in protective housing 1 inside, and set up damper 9 in the middle of the two, can cut down the vibrations that main shaft body 10 output brought greatly, avoid protective housing 1 internals to take place resonance, thereby cause to connect not hard up, the condition that the machining precision reduces.

In this embodiment, one end of the main shaft body 10 is fixedly connected with the connecting member 6, and the connecting member 6 is sleeved inside the bearing sleeve 5 on one side and is fixedly connected with the main shaft body 10.

In this embodiment, one side baffle 12 is fixedly connected to one end of the second fixing ring 13, the other side baffle 12 is fixedly connected to the inside of the second fixing ring 13, and the inner rings of the two baffles 12 are respectively located in the middle of the outer bearings at the two ends of the first bearing 15, it should be noted that the two baffles 12 have the same shape and inner diameter, the outer diameter of the baffle 12 located in the inside of the second fixing ring 13 is smaller than that of the baffle 12 at the other side, and the baffles 12 are arranged at the two ends of the first bearing 15, so that the inner diameter of the baffle 12 can be blocked in the middle of the outer bearing of the first bearing 15, and the first bearing 15 is prevented from shifting.

In this embodiment, a plurality of mounting grooves 14 are respectively opened on the inner side of the first fixing ring 11 and the outer side of the second fixing ring 13, and the inside of the mounting groove 14 is provided with the damping component 9.

In this embodiment, the shock absorbing assembly 9 includes a connecting cylinder 901, an arc fixing plate 902, a connecting column 903, a guide block 904, a conical spring 905, a cushion rubber ring 906, a movable block 907, an annular connecting groove 908 and a guide groove 909, wherein the connecting cylinder 901 is fixedly connected inside the mounting groove 14 through the arc fixing plates 902 on both sides.

In this embodiment, a connection column 903 is fixedly connected inside the connection cylinder 901, a guide block 904 is fixedly connected to one end of the connection column 903 far away from the connection cylinder 901, and the guide block 904 is movably connected inside a guide groove 909 formed inside the cushion rubber ring 906.

In this embodiment, a movable block 907 is fixedly connected to the outer surface of the cushion rubber ring 906, and two ends of the movable block 907 are respectively provided with a circular connecting groove 908.

In this embodiment, a conical spring 905 is fixedly connected inside the connecting cylinder 901 and outside the connecting column 903, and one end of the conical spring 905, which is far away from the connecting cylinder 901, is fixedly connected to the inner wall of the annular connecting groove 908.

When the equipment generates vibration during operation, the main shaft body 10 transmits the vibration to the second fixing ring 13, the vibration is transmitted to the damping assembly 9 through the second fixing ring 13, and then the damping assembly 9 performs damping, so as to reduce or eliminate the influence of the vibration on the first fixing ring 11, specifically, the vibration is transmitted from the second fixing ring 13 to the connecting cylinder 901 and the conical spring 905, then the conical spring 905 drives the movable block 907 and the conical spring 905 at the other end to generate elastic deformation, and the vibration is reduced through the opposite impact between the two conical springs 905, wherein the movable block 907 and the internal buffer rubber ring 906 are displaced under the driving of the two conical springs 905, the guide block 904 inside the buffer rubber ring 906 moves along the guide groove 909, so as to prevent the buffer rubber ring 906 and the movable block 907 from rotating during movement, and the vibration generated during high-speed rotation of the main shaft body 10 can be reduced by arranging the damping assembly 9, the conditions of internal part looseness and abrasion at the joint are avoided, and the running stability of the equipment is improved.

The working principle of the anti-vibration bending main shaft protection device is as follows:

during the use, at first install each accessory fixedly, then it is fixed with processing work piece with connecting piece 6, then start equipment, main shaft body 10 takes place to rotate, stiffener 3 and the fixing base 7 of 5 external connections of bearing housing play fine fixed action to the junction of main shaft body 10 and connecting piece 6, when equipment long-term operation, when inside produces tiny vibrations, main shaft body 10 will shake and transmit for the solid fixed ring 13 of second, transmit for connecting cylinder 901 and conical spring 905 through the solid fixed ring 13 of second, then conical spring 905 drives movable block 907 and the conical spring 905 of the other end and takes place elastic deformation, two conical spring 905 take place to dash with the movable block 907 as the medium, thereby reduce or eliminate vibrations.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a crooked main shaft protection device of anti-vibration, includes protective housing (1), its characterized in that: the inner fixing ring is characterized in that a first fixing ring (11) is fixedly connected to the inner part of the protective shell (1), a second fixing ring (13) is arranged inside the first fixing ring (11), a damping component (9) is arranged between the first fixing ring (11) and the second fixing ring (13), a first bearing (15) is fixedly connected to the inner part of the second fixing ring (13), two sides of the first bearing (15) are respectively provided with a baffle (12), a main shaft body (10) is fixedly connected to the inner part of the first bearing (15), a protective cover (8) is fixedly installed at one end, close to the output end of the main shaft body (10), of the protective shell (1), a second bearing (16) is fixedly connected to the outer shaft body at one end of the main shaft body (10), a bearing sleeve (5) is fixedly connected to the outer surface of the bearing sleeve (5), and a second annular fixing block (4) is fixedly connected to the outer surface of the bearing sleeve (5), bearing housing (5) below fixedly connected with fixing base (7), one end outer fixed surface that protective housing (1) is close to protective cover (8) is connected with first annular fixed block (2), fixed mounting has a plurality of stiffeners (3) between first annular fixed block (2) and second annular fixed block (4).

2. The anti-vibration bending spindle protector according to claim 1, wherein: the spindle is characterized in that one end of the spindle body (10) is fixedly connected with a connecting piece (6), the connecting piece (6) is sleeved inside the bearing sleeve (5) on one side and is fixedly connected with the spindle body (10).

3. The anti-vibration bending spindle protector according to claim 1, wherein: one side baffle (12) fixed connection is in the solid fixed ring of second (13) one end, the opposite side baffle (12) fixed connection is inside the solid fixed ring of second (13), two baffle (12) inner circle is located first bearing (15) both ends outer bearing middle part respectively.

4. The anti-vibration bending spindle protector according to claim 1, wherein: a plurality of mounting grooves (14) have all been seted up in first solid fixed ring (11) inboard and the solid fixed ring of second (13) outside, mounting groove (14) inside all is provided with damper assembly (9).

5. The anti-vibration bending spindle protector according to claim 1, wherein: the shock absorption assembly (9) comprises a connecting cylinder (901), an arc-shaped fixing plate (902), a connecting column (903), a guide block (904), a conical spring (905), a buffering rubber ring (906), a movable block (907), an annular connecting groove (908) and a guide groove (909), wherein the connecting cylinder (901) is fixedly connected inside the mounting groove (14) through the arc-shaped fixing plates (902) on two sides.

6. The anti-vibration bending spindle protector according to claim 5, wherein: a connecting column (903) is fixedly connected inside the connecting cylinder (901), one end, far away from the connecting cylinder (901), of the connecting column (903) is fixedly connected with a guide block (904), and the guide block (904) is movably connected into a guide groove (909) formed inside the buffer rubber ring (906).

7. The anti-vibration bending spindle protector according to claim 6, wherein: the outer surface of the buffer rubber ring (906) is fixedly connected with a movable block (907), and two ends of the movable block (907) are respectively provided with an annular connecting groove (908).

8. The anti-vibration bending spindle protector according to claim 5, wherein: the connecting cylinder (901) is internally and fixedly connected with a conical spring (905) outside the connecting column (903), and one end, far away from the connecting cylinder (901), of the conical spring (905) is fixedly connected to the inner wall of the annular connecting groove (908).