CN214992210U

CN214992210U - Automatic compensation structure for gear clearance of large disc and large disc of circular knitting machine

Info

Publication number: CN214992210U
Application number: CN202121390495.5U
Authority: CN
Inventors: 张伟军; 吕永法
Original assignee: Zhejiang Rifa Textile Machinery Co Ltd
Current assignee: Zhejiang Rifa Textile Machinery Co Ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-03
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a circular knitting machine deep bid, deep bid gear clearance automatic compensation structure, including the deep bid with set up in the deep bid gear of deep bid inner circle, deep bid inboard and deep bid gear outside clearance fit, deep bid gear edge is equipped with the recess of stepping down of a plurality of inside concave yield along circumference, is equipped with the friction disc conjunction that can follow deep bid gear radial movement in the recess of stepping down, is equipped with the spring that acts on the friction disc conjunction with elasticity in the deep bid gear for the medial surface of friction disc conjunction contact deep bid. The utility model discloses a spring makes the friction disc contact the medial surface of deep bid all the time, and dynamic balance through the spring when the deep bid is rotatory relatively realizes automatic, the real-time compensation in deep bid and deep bid gear clearance to reduce the precision reduction after the error that the manufacturing exists and long-time the use.

Description

Automatic compensation structure for gear clearance of large disc and large disc of circular knitting machine

Technical Field

The utility model relates to a deep bid and deep bid gear technical field in the circular knitting machine, concretely relates to circular knitting machine deep bid, deep bid gear clearance automatic compensation structure.

Background

In a circular knitting machine, the requirement on the matching of a large disc and a large disc gear is very high, but certain errors always exist in the actual processing process, and the matching precision of the large disc and the large disc gear is influenced. In the actual use process, along with the long-time operation of big dish and big dish gear, even if there is lubricating oil to lubricate the circumstances, still can cause big dish and big dish gear fit precision to reduce, influence the accurate operation of equipment, and then influence production quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circular knitting machine deep bid, deep bid gear clearance automatic compensation structure aims at solving the problem among the prior art that above-mentioned background art provided.

The above technical problem of the present invention can be solved by the following technical solutions: the utility model provides a circular knitting machine deep bid, deep bid gear clearance automatic compensation structure, includes the deep bid and sets up in the deep bid gear of deep bid inner circle, deep bid inboard and deep bid gear outside clearance fit, deep bid gear edge is equipped with a plurality of recesses of stepping down of inside concave yield along circumference, it can follow the radial friction disc conjunction that removes of deep bid gear to set up in the recess of stepping down, be equipped with in the deep bid gear and act on elasticity the spring of friction disc conjunction makes the friction disc conjunction contact the medial surface of deep bid.

Preferably, a longitudinal guide post is arranged in the abdicating groove on the large disc gear, the friction plate connector is provided with a waist-shaped hole matched with the longitudinal guide post, and the friction plate connector penetrates through the longitudinal guide post and can move back and forth along the radial direction of the large disc gear.

Preferably, a longitudinal counter bore is formed in the bottom surface, located in the abdicating groove, of the large disc gear, and the longitudinal guide pillar is fixedly connected to the longitudinal counter bore.

Preferably, the longitudinal counter bore is provided with an internal thread, the bottom end of the longitudinal guide pillar is provided with an external thread, and the internal thread of the longitudinal counter bore is matched with the external thread at the bottom end of the longitudinal guide pillar.

Preferably, the top end of the longitudinal guide pillar is provided with a limiting cap, the distance from the bottom surface of the limiting cap to the bottom surface of the abdicating groove is slightly larger than the height of the friction plate combining piece, and the situation that the friction plate combining piece cannot normally realize micro motion due to the fact that the limiting cap is pressed to be dead is avoided.

Preferably, the large disc gear is provided with a transverse through hole corresponding to the abdicating groove, and the spring is arranged in the transverse through hole; and a plug is arranged at one end of the transverse through hole, which is far away from the friction plate combining piece, and two ends of the spring are respectively abutted against the plug and the friction plate combining piece.

Preferably, the plug is in threaded connection with the transverse through hole; be equipped with the seal groove on the end cap, be equipped with O shape sealing washer in the seal groove, prevent the oil leak.

Preferably, a friction plate is arranged on one surface, close to the large plate, of the friction plate combining piece, and the friction plate is an arc surface matched with the inner side surface of the large plate.

Preferably, the material of the friction plate is nitrile rubber.

Preferably, the number of the groove and the friction plate combining piece is 6-8 groups, and the groove and the friction plate combining piece are respectively and uniformly arranged along the circumferential direction of the large-disc gear.

Compared with the prior art, the utility model, its beneficial effect lies in: the utility model discloses a spring makes the friction disc contact the medial surface of deep bid all the time, and dynamic balance through the spring when the deep bid is rotatory relatively realizes automatic, the real-time compensation in deep bid and deep bid gear clearance to reduce the precision reduction after the error that the manufacturing exists and long-time the use.

Drawings

Fig. 1 is a schematic sectional structure diagram of the present invention.

Fig. 2 is a schematic top view of the present invention.

In the figure: 1. a large plate; 2. a large disc gear; 3. a wire track assembly; 4. a yielding groove; 5. a friction plate binder; 6. a spring; 7. a longitudinal counter bore; 8. a longitudinal guide post; 9. a limiting cap; 10. a waist-shaped hole; 11. a transverse through hole; 12. a plug; 13. a sealing groove; 14. a friction plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further specifically described below by way of embodiments and with reference to the accompanying drawings.

Example (b): the utility model provides a circular knitting machine deep bid, deep bid gear clearance automatic compensation structure, as shown in fig. 1, fig. 2, including deep bid 1 with set up in the deep bid gear 2 of deep bid 1 inner circle, the deep bid 1 inboard and the deep bid gear 2 outside clearance fit, the bottom surface of deep bid 1 and the corresponding horizontal surface of deep bid gear 2 are equipped with the groove of inside recess respectively, have a set of steel wire course subassembly 3 in the groove for the deep bid gear 2 can rotate relatively deep bid 1.

In the structure, the edge of the large disc gear 2 is provided with a plurality of inwards concave yielding grooves 4 along the circumferential direction, friction plate binders 5 capable of moving along the radial direction of the large disc gear 2 are arranged in the yielding grooves 4, and springs 6 for applying elastic force to the friction plate binders 5 are arranged in the large disc gear 2, so that the friction plate binders 5 contact the inner side surface of the large disc 1 to form a gap automatic compensation structure. The automatic clearance compensation structures in the present embodiment are preferably 6 groups or 8 groups, and are respectively uniformly arranged along the circumferential direction of the large disk gear 2.

Particularly, be equipped with the vertical counter bore 7 that has the internal thread on the bottom surface platform of groove 4 of stepping down, vertical counter bore 7 female connection has a vertical guide pillar 8, and vertical guide pillar 8 from the top down divide into the three-section in proper order: the limiting cap 9, the middle section and the external thread section at the bottom, wherein the external thread section at the bottom is in threaded fit with the longitudinal counter bore 7; the friction plate combining piece 5 is longitudinally provided with a waist-shaped hole 10, the minimum inner diameter of the waist-shaped hole 10 is matched with the outer diameter of the middle section of the longitudinal guide post 8, and the longitudinal guide post 8 passes through the waist-shaped hole 10 of the friction plate combining piece and then is fixed in the longitudinal counter bore 7, so that the friction plate combining piece 5 can slightly move along the radial direction of the large-disc gear 2; the outer diameter of the limiting cap 9 is larger than that of the middle section, and is used for limiting the longitudinal freedom degree of the friction plate combining piece 5.

It is worth mentioning that the length of the middle section should be slightly larger than the height of the friction plate connector 5, so as to avoid the limitation cap 9 from pressing the friction plate connector 5 to cause the normal inching.

In this embodiment, a transverse through hole 11 is formed in the large disc gear 2 corresponding to the abdicating groove 4, the spring 6 is placed in the transverse through hole 11, a plug 12 is arranged at one end of the transverse through hole 11 away from the friction plate connector 5, the plug 12 is in threaded connection with the transverse through hole 11, an annular sealing groove 13 is formed in the inner side of the plug 12, and an O-shaped sealing ring is arranged in the sealing groove 13 to prevent oil leakage. Two ends of the spring 6 are respectively abutted against the plug 12 and the friction plate connector 5, the elasticity of the spring 6 pushes the friction plate connector 5 to slightly move towards the direction of the large disc 1, so that the friction plate 14 of the friction plate connector 5 is contacted with the joint surface of the inner side of the large disc 1, and when the large disc gear 2 rotates relative to the large disc 1, the automatic and real-time compensation of the gap between the large disc 1 and the large disc gear 2 is realized through the dynamic balance of the spring 6, so that the error in manufacturing and the precision reduction after long-time use are reduced.

In the embodiment, a friction plate 14 is arranged on one surface of the friction plate connector 5 close to the large plate 1, the friction plate 14 is an arc surface matched with the inner side surface of the large plate 1, namely the radius of the friction plate 14 is equivalent to that of the inner side surface of the large plate 1; the material of friction plate 14 has a high requirement on wear resistance, and the preferred material is nitrile rubber.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. All changes and modifications that may be made by the technical spirit of the present invention to the above embodiments by simple modification are considered to fall within the scope of the present invention.

Claims

1. The utility model provides a circular knitting machine deep bid, deep bid gear clearance automatic compensation structure, includes the deep bid and sets up in the deep bid gear of deep bid inner circle, deep bid inboard and deep bid gear outside clearance fit, its characterized in that, deep bid gear edge is equipped with a plurality of recesses of stepping down of inside concave yield along circumference, it can follow the friction disc conjunction of deep bid gear radial movement to be equipped with in the recess of stepping down, be equipped with in the deep bid gear and act on elasticity the spring of friction disc conjunction, make the friction disc conjunction contact the medial surface of deep bid.

2. The automatic compensation structure for the clearance between the large disc gear and the large disc gear of the circular knitting machine according to claim 1, wherein a longitudinal guide post is arranged in the abdicating groove on the large disc gear, the friction plate connector is provided with a waist-shaped hole matched with the longitudinal guide post, and the friction plate connector is inserted through the longitudinal guide post and can move back and forth along the radial direction of the large disc gear.

3. The automatic compensation structure for the clearance between the large disc and the large disc gear of the circular knitting machine according to claim 2, wherein a longitudinal counter bore is formed in the bottom surface of the abdicating groove of the large disc gear, and the longitudinal guide pillar is fixedly connected to the longitudinal counter bore.

4. The automatic compensation structure for the gear clearance between the large disc and the large disc of the circular knitting machine as claimed in claim 3, wherein the longitudinal counter bore is provided with an internal thread, the bottom end of the longitudinal guide pillar is provided with an external thread, and the internal thread of the longitudinal counter bore is matched with the external thread at the bottom end of the longitudinal guide pillar.

5. The automatic compensation structure for the clearance between the big disc and the big disc gear of the circular knitting machine according to claim 4, wherein the top end of the longitudinal guide post is provided with a limiting cap, and the distance from the bottom surface of the limiting cap to the bottom surface of the abdicating groove is slightly larger than the height of the friction plate binder.

6. The automatic compensation structure for the clearance between the large disc and the large disc gear of the circular knitting machine according to claim 1, wherein the large disc gear is provided with a transverse through hole corresponding to the abdicating groove, and the spring is arranged in the transverse through hole; and a plug is arranged at one end of the transverse through hole, which is far away from the friction plate combining piece, and two ends of the spring are respectively abutted against the plug and the friction plate combining piece.

7. The circular knitting machine large disc and large disc gear clearance automatic compensation structure according to claim 6, characterized in that the plug is in threaded connection with the transverse through hole; the plug is provided with a sealing groove, and an O-shaped sealing ring is arranged in the sealing groove.

8. The automatic compensation structure for the gear clearance between the large disc and the large disc of the circular knitting machine according to claim 1, wherein a friction plate is arranged on one surface of the friction plate connector close to the large disc, and the friction plate is a circular arc surface matched with the inner side surface of the large disc.

9. The circular knitting machine large disc and large disc gear gap automatic compensation structure according to claim 8, characterized in that the material of the friction plate is nitrile rubber.

10. The automatic large disc and large disc gear clearance compensation structure of the circular knitting machine according to claim 1, wherein the number of the groove and the friction plate combining piece is 6-8 groups, and the groove and the friction plate combining piece are respectively and uniformly arranged along the circumferential direction of the large disc gear.