阅读说明：本技术 一种用于圆形纬编机大盘、大鼎的传动组件 (Transmission assembly for large disc and large tripod of circular weft knitting machine ) 是由 李森桂 杨世全 于 2021-07-15 设计创作，主要内容包括：本发明公开一种用于圆形纬编机大盘、大鼎的传动组件,涉及纺织机械智能化加工领域,包括自上而下依次排列的大鼎、大盘以及传动座,该大鼎外圈设置有大鼎齿轮,该大盘外圈设置有大盘齿轮,该传动座上设置有传动轴,该传动轴上设置有两分别与大鼎齿轮、大盘齿轮相啮合的第一传动齿轮,还包括连接机构,该连接结构用于大盘与传动轴之间的紧密连接；将大鼎齿轮、大盘齿轮与第一传动齿轮之间改为斜齿轮传动,有效的提高传动时的精度和稳定性,通过第一杆件、第二杆件以及连接杆件的连接配合,使得在连接结构的作用下,大鼎、大片与第一传动齿轮之间能够紧密接触,防止其晃动,进一步提高传动精度和稳定性。(The invention discloses a transmission assembly for a big disc and a big tripod of a circular weft knitting machine, which relates to the field of intelligent processing of textile machinery, and comprises the big tripod, the big disc and a transmission seat which are sequentially arranged from top to bottom, wherein the outer ring of the big tripod is provided with a big tripod gear, the outer ring of the big disc is provided with a big disc gear, the transmission seat is provided with a transmission shaft, the transmission shaft is provided with two first transmission gears which are respectively meshed with the big tripod gear and the big disc gear, and the transmission assembly also comprises a connecting mechanism, and the connecting mechanism is used for tightly connecting the big disc and the transmission shaft; the helical gear transmission is changed between the big tripod gear, the big disk gear and the first transmission gear, the precision and the stability during transmission are effectively improved, and the connection cooperation of the first rod piece, the second rod piece and the connecting rod piece enables the big tripod, the big plate and the first transmission gear to be in close contact with each other under the effect of the connecting structure, so that the shaking is prevented, and the transmission precision and the stability are further improved.)

1. The utility model provides a drive assembly that is used for circular weft knitting machine big dish, big pot, includes big pot, big dish and the transmission seat that top-down arranged in proper order, and this big pot outer lane is provided with big pot gear, and this big dish outer lane is provided with big dish gear, is provided with the transmission shaft on this transmission seat, is provided with two on this transmission shaft respectively with big pot gear, the first transmission gear of big dish gear engaged with, its characterized in that: the connecting mechanism is characterized by further comprising a connecting mechanism, one end of the connecting mechanism is movably connected with the surface of the large disc, the other end of the connecting mechanism is movably connected with the top end of the transmission shaft, and the connecting mechanism is used for tightly connecting the large disc and the transmission shaft.

2. The drive assembly of claim 1, wherein: the connecting mechanism comprises a first rod piece movably arranged on the surface of the large plate, a second rod piece movably arranged on the top end of the transmission shaft and a connecting rod piece arranged between the first rod piece and the second rod piece, wherein one end of the connecting rod piece is movably connected with the first rod piece, and the other end of the connecting rod piece is movably connected with the second rod piece.

3. The drive assembly of claim 2, wherein: the bottom end of the first rod piece is rotatably provided with a second transmission gear, the surface of the large plate is provided with an annular groove with a T-shaped section, the second transmission gear is positioned in the annular groove, the bottom of the first rod piece extends into the annular groove, the part of the inner wall of the annular groove, which is contacted with the second transmission gear, is of a gear ring structure, and the gear ring structure is meshed with the second transmission gear.

4. The drive assembly of claim 2, wherein: the top end of the transmission shaft is provided with a circular groove with a T-shaped section, the bottom of the circular groove is provided with a connecting bearing, and the bottom end of the second rod piece extends into the circular groove and is connected with the connecting bearing.

5. The drive assembly of claim 2, wherein: the first rod piece and the second rod piece respectively comprise a lower connecting pipe, an upper connecting rod with the bottom positioned in the lower connecting pipe and a first spring arranged in the lower connecting pipe, the top end of the first spring is in contact with the upper connecting rod, the bottom end of the first spring is in contact with the inner wall of the lower connecting pipe, and the upper connecting rod can slide in the lower connecting pipe.

6. The drive assembly of claim 2, wherein: the connecting rod piece is a threaded rod, one end of the connecting rod piece is in threaded connection with the first rod piece, and the other end of the connecting rod piece is connected with the second rod piece.

7. The drive assembly of claim 6, wherein: the connecting rod piece is sleeved with a second spring, one end of the second spring is abutted against the first rod piece, and the other end of the second spring is abutted against the second rod piece.

8. The drive assembly of claim 1, wherein: the transmission shaft is sleeved with an elastic assembly, the elastic assembly is located between the two first transmission gears, the transmission assembly comprises a third spring and two limiting wheels, the third spring and the two limiting wheels are sleeved on the transmission shaft, the third spring is located between the two limiting wheels, and the two limiting wheels can respectively extrude the two first transmission gears under the elastic action of the third elastic piece.

9. The drive assembly of claim 8, wherein: one part of the transmission shaft is of a threaded structure, and the two limiting wheels are in threaded connection with the threaded structure of the transmission shaft.

10. The drive assembly of claim 1, wherein: the big tripod gear, the big disk gear and the two first transmission gears are all helical gears.

Technical Field

The invention relates to the field of intelligent processing of textile machinery, in particular to a transmission assembly for a large disc and a large tripod of a circular weft knitting machine.

Background

The big tripod and the big disc of the circular weft knitting machine are both driven by gears, the big disc gear, the big tripod gear and the transmission gear of the existing circular weft knitting machine are straight gears, and the big disc and the big tripod are easy to shake when rotating, so that the transmission precision is low, the transmission is unstable, and the processing precision of the whole circular weft knitting machine is influenced.

Disclosure of Invention

The invention aims to overcome the defects and provide a transmission assembly for a large disc and a large tripod of a circular weft knitting machine.

The utility model provides a drive assembly for circular weft knitting machine deep bid, include top-down arrange in proper order the deep bid, deep bid and transmission seat, this deep bid outer lane is provided with the deep bid gear, be provided with the transmission shaft on this transmission seat, be provided with two on this transmission shaft respectively with the deep bid gear, the first transmission gear of deep bid gear engaged with, still include coupling mechanism, this coupling mechanism one end and deep bid surface swing joint, the other end and transmission shaft top swing joint, this coupling structure is used for the zonulae occludens between deep bid and the transmission shaft.

Preferably, the connecting mechanism comprises a first rod piece movably arranged on the surface of the large plate, a second rod piece movably arranged at the top end of the transmission shaft and a connecting rod piece arranged between the first rod piece and the second rod piece, one end of the connecting rod piece is movably connected with the first rod piece, and the other end of the connecting rod piece is movably connected with the second rod piece.

Preferably, the bottom end of the first rod piece is rotatably provided with a second transmission gear, the surface of the large plate is provided with an annular groove with a T-shaped section, the second transmission gear is positioned in the annular groove, the bottom of the first rod piece extends into the annular groove, the part of the inner wall of the annular groove, which is in contact with the second transmission gear, is of a gear ring structure, and the gear ring structure is meshed with the second transmission gear.

Preferably, the top end of the transmission shaft is provided with a circular groove with a T-shaped cross section, the bottom of the circular groove is provided with a connecting bearing, and the bottom end of the second rod extends into the circular groove to be connected with the connecting bearing.

Preferably, the first rod piece and the second rod piece both comprise a lower connecting pipe, an upper connecting rod with the bottom positioned in the lower connecting pipe, and a first spring arranged in the lower connecting pipe, the top end of the first spring is in contact with the upper connecting rod, the bottom end of the first spring is in contact with the inner wall of the lower connecting pipe, and the upper connecting rod can slide in the lower connecting pipe.

Preferably, the connecting rod is a threaded rod, one end of the connecting rod is in threaded connection with the first rod, and the other end of the connecting rod is connected with the second rod.

Preferably, the connecting rod is sleeved with a second spring, one end of the second spring is abutted against the first rod, and the other end of the second spring is abutted against the second rod.

Preferably, the transmission shaft is sleeved with an elastic assembly, the elastic assembly is located between the two first transmission gears, the transmission assembly comprises a third spring and two limiting wheels, the third spring is arranged on the transmission shaft in a sleeved mode, the third spring is located between the two limiting wheels, and the two limiting wheels can respectively extrude the two first transmission gears under the elastic action of the third elastic piece.

Preferably, one part of the transmission shaft is in a threaded structure, and the two limiting wheels are in threaded connection with the threaded structure of the transmission shaft.

Preferably, the big tripod gear, the big disc gear and the two first transmission gears are all helical gears.

By adopting the technical scheme, the invention has the beneficial effects that:

1. the helical gear transmission is changed between the big tripod gear, the big disk gear and the first transmission gear, the precision and the stability during transmission are effectively improved, and the connection cooperation of the first rod piece, the second rod piece and the connecting rod piece enables the big tripod, the big plate and the first transmission gear to be in close contact with each other under the effect of the connecting structure, so that the shaking is prevented, and the transmission precision and the stability are further improved.

2. Under the elastic force effect of third spring, two spacing wheels extrude two first drive gears, effectually prevent that two first drive gears from sliding on the transmission shaft, influencing transmission precision and stability.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only one or several embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to such drawings without creative efforts.

FIG. 1 is a schematic view of a transmission assembly according to the present invention;

FIG. 2 is an enlarged view of the invention at A in FIG. 1.

Description of the main reference numerals: 1 big tripod, 2 big dishes, 3 transmission seats, 4 big tripod gears, 5 big dish gears, 6 transmission shafts, 7 first transmission gears, 8 coupling mechanisms, 81 first member, 82 second members, 83 connection members, 9 second transmission gears, 10 connection bearings, 11 lower connection pipes, 12 upper connection rods, 13 first springs, 14 second springs, 15 elastic components, 151 third springs, and 152 spacing wheels.

Detailed Description

The following detailed description of the embodiments of the present invention will be provided with reference to the drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention.

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details or with other methods described herein.

The invention discloses a transmission assembly for a big disc 2 and a big tripod 1 of a circular weft knitting machine, which comprises the big tripod 1, the big disc 2 and a transmission seat 3 which are sequentially arranged from top to bottom, wherein the outer ring of the big tripod 1 is provided with a big tripod gear, the outer ring of the big disc 2 is provided with a big disc gear 5, the transmission seat 3 is provided with a transmission shaft 6, the transmission shaft 6 is provided with two first transmission gears 7 which are respectively meshed with the big tripod gear and the big disc gear 5, the big tripod gear, the big disc gear 5 and the two first transmission gears 7 are all helical gears, the helical gears have high transmission precision and more stable transmission, the transmission assembly also comprises a connecting mechanism 8, one end of the connecting mechanism 8 is movably connected with the surface of the big disc 2, the other end of the connecting mechanism is movably connected with the top end of the transmission shaft 6, and the connecting mechanism is used for the tight connection between the big disc 2 and the transmission shaft 6; referring to fig. 2, the connecting mechanism 8 includes a first rod 81 movably disposed on the surface of the large plate 2, a second rod 82 movably disposed on the top end of the transmission shaft 6, and a connecting rod 83 disposed between the first rod 81 and the second rod 82, one end of the connecting rod 83 is movably connected to the first rod 81, the other end is movably connected to the second rod 82, the top ends of the first rod 81 and the second rod 82 are connected to an upper housing (not shown) of the circular weft knitting machine, a second transmission gear 9 is rotatably disposed at the bottom end of the first rod 81, an annular groove with a T-shaped cross section is disposed on the surface of the large plate 2, the second transmission gear 9 is disposed in the annular groove, the bottom of the first rod 81 extends into the annular groove, a portion of the inner wall of the annular groove, which contacts with the second transmission gear 9, is in a ring gear structure, which is engaged with the second transmission gear 9, a circular groove with a T-shaped cross section is disposed at the top end of the transmission shaft 6, the bottom of the circular groove is provided with a connecting bearing 10, the bottom end of the second rod 82 extends into the circular groove and is connected with the connecting bearing 10, when the transmission shaft 6 drives the vessel 1 and the large disc 2 to rotate through the first transmission gear 7, the second transmission gear 9 at the bottom end of the first rod 81 rotates in the gear ring of the vessel 1, and the second rod 82 is rotatably connected with the transmission shaft 6 through the connecting bearing 10, under the connecting action of the connecting rod 83, the vessel 1, the large plate and the first transmission gear 7 can be in tight contact with each other, so that the shaking is prevented, the transmission precision and stability are further improved, the connecting rod 83 can adopt but is not limited to a threaded rod, and the threaded rod is connected with the first rod 81 and the second rod 82, so that the tightness of the first rod 81 and the second rod 82 can be finely adjusted, and the connecting mechanism 8 can be conveniently disassembled and assembled; the connecting rod 83 is sleeved with a second spring 14, one end of the second spring 14 is abutted against the first rod 81, and the other end of the second spring 14 is abutted against the second rod 82, so that the matching tightness of the connecting mechanism 8 can be improved under the action of the second spring 14.

Referring to fig. 2, the first rod 81 and the second rod 82 each include a lower connecting pipe 11, the bottom of the upper connecting rod 12 is located in the lower connecting pipe 11, and the first spring 13 is disposed in the lower connecting pipe 11, the top end of the first spring 13 contacts with the upper connecting rod 12, the bottom end of the first spring contacts with the inner wall of the lower connecting pipe 11, and the upper connecting rod 12 can slide in the lower connecting pipe 11, under the action of the first spring 13, the elastic expansion of the upper connecting rod 12 and the lower connecting pipe 11 is realized, the effects of shock absorption and noise reduction are achieved, and the noise influence during transmission of the transmission assembly is effectively reduced. The transmission shaft 6 is sleeved with an elastic assembly 15, the elastic assembly 15 is located between the two first transmission gears 7, the transmission assembly comprises a third spring 151 and two limiting wheels 152, the third spring 151 and the two limiting wheels 152 are sleeved on the transmission shaft 6, the third spring 151 is located between the two limiting wheels 152, and the two limiting wheels 152 can respectively extrude the two first transmission gears 7 under the elastic action of the third elastic member. This transmission shaft 6's partly is helicitic texture, the helicitic texture threaded connection of two spacing wheels 152 and transmission shaft 6, under the elastic force effect of third spring 151, two spacing wheels 152 extrude two first transmission gears 7, effectually prevent that two first transmission gears 7 from sliding on transmission shaft 6, influence transmission precision and stability, be provided with helicitic texture at the middle part of transmission shaft 6 simultaneously, two spacing wheels 152 accessible helicitic texture are with the fixed compression of third spring 151 on transmission shaft 6, be convenient for two first transmission gears 7 and the installation of two spacing wheels 152.

It should be noted that in the foregoing description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed above.