CN112030284A

CN112030284A - Spindle mechanism with shock-absorbing function for textile machinery

Info

Publication number: CN112030284A
Application number: CN202010997713.5A
Authority: CN
Inventors: 王向东
Original assignee: Sichuan Hengchuang Special Fiber Co
Current assignee: Sichuan Hengchuang Special Fiber Co
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2020-12-04

Abstract

The invention relates to the technical field of damping of textile spindles, in particular to a spindle mechanism with a damping function for textile machinery, which is used for solving the problems that the spindle blade in the existing spindle mechanism vibrates to impact an end face bearing, so that the service life of the end face bearing is shortened, and the vibration of the whole textile machinery is caused. The spindle rod damping device comprises a spindle rod, an end face bearing, a rolling bearing, a radial damping mechanism, a first connecting ring and a fixing ring, wherein a radial damping groove is formed in the fixing ring, a radial spring which is in contact with the first connecting ring is installed in the radial damping groove, the first connecting ring can slide in the radial damping groove, a second connecting ring is installed on the rolling bearing, and the axial damping mechanism is installed between the second connecting ring and the fixing ring. The invention can respectively buffer the impact of the spindle on the end face bearing from the radial direction and the axial direction through the radial damping mechanism and the axial damping mechanism, thereby prolonging the service life of the end face bearing and reducing the vibration of the whole textile machinery.

Description

Spindle mechanism with shock-absorbing function for textile machinery

Technical Field

The invention relates to the technical field of damping of textile spindles, in particular to a spindle mechanism with a damping function for textile machinery.

Background

The textile machinery refers to various mechanical devices required for processing natural fibers or chemical fibers into textiles, a spindle is one of main components of twisting and winding in the textile machinery, and with the development of high efficiency of spinning production, the requirements on the textile machinery are higher and higher, and the requirements on the spindle are higher and higher.

Spindle mechanism of textile machinery among the prior art includes spindle blade, spindle disc and installation supporting mechanism, and the spindle disc includes friction disc and transmission shaft two parts as an organic whole that link, and the friction disc part is used for supporting the cheese cover and the friction yarn realization twisting of installation spindle, and the transmission shaft part pastes with the two-for-one twister tangential belt and leans on friction drive power, and the spindle disc is fixed the cover through its central through-hole and is adorned in spindle blade, characterized by: the installation support mechanism comprises an upper support bearing, a lower support bearing and a bearing sleeve, wherein the inner rings of the upper support bearing and the lower support bearing are fixedly sleeved on the part of the spindle blade below the transmission shaft, the upper support bearing and the lower support bearing are spaced at a certain distance, and the bearing sleeve is sleeved on the outer rings of the upper support bearing and the lower support bearing. The spindle mechanism forms a supporting mechanism by arranging the lower supporting bearing and the upper supporting bearing, and rolling friction replaces sliding friction between the spindle foot and the spindle bottom, so that friction heating is greatly reduced, and abrasion is reduced.

However, when the spindle blade rotates at a high speed, the spindle inevitably vibrates, and the vibration of the spindle blade inevitably impacts the end face bearing mounted on the spindle blade, thereby reducing the service life of the end face bearing and causing vibration of the entire textile machine. Therefore, there is a strong need for a spindle mechanism that reduces the impact of the spindle blade on the end bearing, and reduces the vibration of the textile machine.

Disclosure of Invention

Based on the above problems, the present invention aims to: the utility model provides a spindle mechanism for textile machinery with shock-absorbing function for solve the spindle blade vibration among the current spindle mechanism and cause the striking to the end face bearing, thereby reduced the life of end face bearing, and arouse the problem of whole textile machinery vibration. The invention can respectively buffer the impact of the spindle on the end face bearing from the radial direction and the axial direction through the radial damping mechanism and the axial damping mechanism, thereby prolonging the service life of the end face bearing and reducing the vibration of the whole textile machinery.

The invention specifically adopts the following technical scheme for realizing the purpose:

the spindle mechanism with the damping function for the textile machinery comprises a spindle blade, wherein an end face bearing and a rolling bearing are sequentially mounted on the spindle blade, a radial damping mechanism is mounted on the circumferential face of the end face bearing and comprises a first connecting ring mounted on the end face bearing, a fixing ring is mounted on the first connecting ring, a radial damping groove is formed in the fixing ring, a radial spring in contact with the first connecting ring is mounted in the radial damping groove, the first connecting ring can slide in the radial damping groove, a second connecting ring is mounted on the circumferential face of the rolling bearing, and an axial damping mechanism is mounted between the second connecting ring and the fixing ring.

The specific structure of the axial damping mechanism is as follows: the axial damping mechanism comprises an axial damping groove formed in the second connecting ring, a sliding block capable of sliding along the length direction of the sliding block is installed in the axial damping groove, a ball socket is formed in one end of the sliding block, a ball head in contact with the fixed ring is installed in the ball socket, and an axial spring in contact with the other end of the sliding block is installed in the axial damping groove.

The axial shock-absorbing groove is internally provided with a guide cylinder, the sliding block penetrates through the guide cylinder, the guide cylinder is radially provided with a plurality of connecting holes along the guide cylinder, and the guide cylinder is connected with the second connecting ring through a connecting rod positioned in the connecting holes.

The sliding block includes from left to right shaping left guide post, sliding body and right guide post as an organic whole in proper order, the terminal surface at right guide post is opened to the bulb, the sliding body contacts with the inner wall of axial shock attenuation groove, axial spring is passed to left side guide post.

And the second connecting ring is provided with an inner oil inlet hole which is communicated with the axial damping groove and the rolling bearing in sequence.

The first connecting ring is further integrally formed with an upper guide post, and the upper guide post penetrates through the radial spring.

And the second connecting ring is provided with an outer oil inlet hole which is communicated with the radial damping groove and the end face bearing in sequence.

The radial shock absorption grooves comprise a large groove and a small groove which are communicated with each other, the second connecting ring is positioned in the large groove, and the upper guide column is positioned in the small groove.

The invention has the following beneficial effects:

(1) the invention can respectively buffer the impact of the spindle on the end face bearing from the radial direction and the axial direction through the radial damping mechanism and the axial damping mechanism, thereby prolonging the service life of the end face bearing and reducing the vibration of the whole textile machinery.

(2) According to the invention, the sliding block can slide in the axial damping groove more conveniently through the left guide column, and the first connecting ring can slide in the radial damping groove more conveniently through the upper guide column, so that the mechanism can reduce the vibration of the whole textile machine from the axial direction and the radial direction more favorably.

(3) According to the invention, the lubricating oil is injected from the inner oil inlet hole, so that the axial spring and the rolling bearing can be lubricated, and the service lives of the axial spring and the rolling bearing can be prolonged; lubricating oil is injected from the outer oil inlet hole, so that the radial spring and the end face bearing can be lubricated, and the service life of the radial spring and the service life of the end face bearing can be prolonged.

Drawings

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

FIG. 2 is a schematic front cross-sectional view of the present invention with the axial and radial springs removed;

FIG. 3 is a schematic front sectional view of the slider of the present invention;

FIG. 4 is a schematic front sectional view of a first link ring of the present invention;

FIG. 5 is a schematic front sectional view of a retaining ring of the present invention;

FIG. 6 is a schematic elevational cross-sectional view of a connector barrel of the present invention;

reference numerals: 1 spindle blade, 2 rolling bearings, 3 second connecting rings, 31 axial damping grooves, 32 inner oil inlets, 4 axial springs, 5 sliding blocks, 51 left guide posts, 52 sliding bodies, 53 right guide posts, 531 ball sockets, 6 connecting rods, 7 ball heads, 8 radial springs, 9 first connecting rings, 91 upper guide posts, 10 fixing rings, 101 radial damping grooves, 1011 large grooves, 1012 small grooves, 102 outer oil inlets, 11 end face bearings, 12 guide cylinders and 121 connecting holes.

Detailed Description

For a better understanding of the present invention by those skilled in the art, the present invention will be described in further detail below with reference to the accompanying drawings and the following examples.

Example 1:

as shown in fig. 1 to 6, a spindle mechanism for textile machinery having a damping function includes a spindle blade 1, an end face bearing 11 and a rolling bearing 2 are sequentially installed on the spindle blade 1, a radial damping mechanism is installed on a circumferential surface of the end face bearing 11, the radial damping mechanism includes a first connecting ring 9 installed on the end face bearing 11, a fixing ring 10 is installed on the first connecting ring 9, a radial damping groove 101 is opened on the fixing ring 10, a radial spring 8 contacting with the first connecting ring 9 is installed in the radial damping groove 101, the first connecting ring 9 can slide in the radial damping groove 101, a second connecting ring 3 is installed on the circumferential surface of the rolling bearing 2, and an axial damping mechanism is installed between the second connecting ring 3 and the fixing ring 10.

The specific structure of the axial damping mechanism is as follows: the axial damping mechanism comprises an axial damping groove 31 formed in the second connecting ring 3, a sliding block 5 capable of sliding along the length direction of the axial damping groove 31 is installed in the axial damping groove 31, a ball socket 531 is formed in one end of the sliding block 5, a ball head 7 in contact with the fixed ring 10 is installed in the ball socket 531, and an axial spring 4 in contact with the other end of the sliding block 5 is installed in the axial damping groove 31.

The working principle is as follows: a radial damping mechanism can be designed at the rolling bearing 2, when the spindle rod 1 rotates to generate radial vibration, the spindle rod 1 generates a radial impact force on the end face bearing 11, the impact force finally pushes the first connecting ring 9 to slide in the radial damping groove 101, the first connecting ring 9 recompresses the radial spring 8, when the impact force disappears, the radial spring 8 restores to the original shape, so that the force applied to the end face bearing 11 in the radial direction can be buffered, when the spindle rod 1 rotates to generate axial vibration, the spindle rod 1 generates an axial pushing force on the end face bearing 11, the pushing force finally pushes the first connecting ring 9 to move towards the direction of the second connecting ring 3, so that the sliding block 10 extrudes the ball head 7, finally the sliding block 5 slides in the axial damping groove 31 and extrudes the axial spring 4, the axial spring 4 is compressed, and when the axial pushing force disappears, the axial spring 4 restores to the original shape, in the process, the ball 7 can rotate in the ball socket 531, so that the flexibility of the movement of the first connecting ring 9 can be increased. The mechanism is mainly characterized in that the radial damping mechanism and the axial damping mechanism can respectively buffer the impact of the spindle on the end face bearing 11 from the radial direction and the axial direction, so that the service life of the end face bearing 11 can be prolonged, and the vibration of the whole textile machine can be reduced.

Preferably, a guide cylinder 12 is further installed in the axial damping groove 31, the sliding block 5 penetrates through the guide cylinder 12, a plurality of connecting holes 121 are formed in the guide cylinder 12 along the radial direction of the guide cylinder, and the guide cylinder 12 is connected with the second connecting ring 3 through connecting rods 6 located in the connecting holes 121; the sliding block 5 comprises a left guide post 51, a sliding body 52 and a right guide post 53 which are sequentially formed into a whole from left to right, the ball head 7 is arranged on the end surface of the right guide post 53, the sliding body 52 is contacted with the inner wall of the axial damping groove 31, and the left guide post 51 penetrates through the axial spring 4. The right guide post 53 can slide in the guide cylinder 12 and the left guide post 51 contributes to the compression of the axial spring 4, so that the sliding block 5 can slide in the axial slot more sensitively.

The second connecting ring 3 is provided with an inner oil inlet hole 32 which is communicated with the axial damping groove 31 and the rolling bearing 2 in sequence. By injecting the lubricating oil from the internal oil inlet hole 32, the axial spring 4 and the rolling bearing 2 can be lubricated, so that the service lives of the axial spring 4 and the rolling bearing 2 can be improved.

The first connecting ring 9 is also integrally formed with an upper guide post 91, and the upper guide post 91 penetrates through the radial spring 8. Go up guide post 91 and can play the guide effect when carrying out spring compression or reconversion to can make first connecting ring 9 can be more accurate slide in carrying out the shock attenuation inslot.

The second connecting ring 3 is provided with an outer oil inlet hole 102 which is communicated with the radial damping groove 101 and the end face bearing 11 in sequence. By injecting the lubricating oil from the outer oil inlet hole 102, the radial spring 8 and the end face bearing 11 can be lubricated, so that the service life of the radial spring 8 and the end face bearing 11 can be improved.

The radial shock absorbing groove 101 comprises a large groove 1011 and a small groove 1012 which are communicated with each other, the second connecting ring 3 is positioned in the large groove 1011, and the upper guide post 91 is positioned in the small groove 1012. The diameter of the large groove 1011 is larger than that of the small groove 1012, the first connecting ring 9 can move in the large groove 1011 after being subjected to radial force, and the joint of the large groove 1011 and the small groove 1012 can also play a limiting role in the first connecting ring 9.

The above is an embodiment of the present invention. The embodiments and specific parameters in the embodiments are only for the purpose of clearly illustrating the verification process of the invention and are not intended to limit the scope of the invention, which is defined by the claims, and all equivalent structural changes made by using the contents of the specification and the drawings of the present invention should be covered by the scope of the present invention.

Claims

1. Spindle mechanism for textile machinery with shock-absorbing function, including spindle blade (1), install end face bearing (11) and antifriction bearing (2), its characterized in that on spindle blade (1) in proper order: install radial damper on the periphery of end face bearing (11), radial damper is including installing first link (9) on end face bearing (11), install solid fixed ring (10) on first link (9), it has radial shock attenuation groove (101) to open on solid fixed ring (10), install radial spring (8) with first link (9) contact in radial shock attenuation groove (101), first link (9) can slide in radial shock attenuation groove (101), install second link (3) on the periphery of antifriction bearing (2), install axial damper between second link (3) and solid fixed ring (10).

2. The spindle mechanism for textile machinery having a shock-absorbing function as claimed in claim 1, wherein: axial damper is including opening axial damping groove (31) on second go-between (3), install in axial damping groove (31) and follow its length direction gliding sliding block (5), the one end of sliding block (5) is opened has ball socket (531), install bulb (7) with solid fixed ring (10) contact in ball socket (531), install axial spring (4) with sliding block (5) other end contact in axial damping groove (31).

3. The spindle mechanism with damping function for textile machine according to claim 2, wherein: the axial damping groove (31) is internally provided with a guide cylinder (12), the sliding block (5) penetrates through the guide cylinder (12), the guide cylinder (12) is provided with a plurality of connecting holes (121) along the radial direction, and the guide cylinder (12) is connected with the second connecting ring (3) through a connecting rod (6) positioned in the connecting holes (121).

4. The spindle mechanism with damping function for textile machine according to claim 3, wherein: slider (5) are including left guide post (51), sliding body (52) and right guide post (53) that from left to right the shaping is as an organic whole in proper order, the terminal surface at right guide post (53) is opened in bulb (7), the inner wall contact of sliding body (52) and axial damping slot (31), axial spring (4) are passed in left side guide post (51).

5. The spindle mechanism for textile machinery having a shock-absorbing function as set forth in any one of claims 2 to 4, wherein: and the second connecting ring (3) is provided with an inner oil inlet hole (32) which is communicated with the axial damping groove (31) and the rolling bearing (2) in sequence.

6. The spindle mechanism for textile machinery having a shock-absorbing function as claimed in claim 1, wherein: the first connecting ring (9) is further integrally formed with an upper guide post (91), and the upper guide post (91) penetrates through the radial spring (8).

7. The spindle mechanism with damping function for textile machine according to claim 6, wherein: and the second connecting ring (3) is provided with an outer oil inlet hole (102) which is communicated with the radial damping groove (101) and the end face bearing (11) in sequence.

8. The spindle mechanism for textile machinery having a shock-absorbing function as claimed in claim 6 or 7, wherein: the radial shock absorption groove (101) comprises a large groove (1011) and a small groove (1012) which are communicated with each other, the second connecting ring (3) is positioned in the large groove (1011), and the upper guide column (91) is positioned in the small groove (1012).