CN218932439U

CN218932439U - Adjustable roller shaft structure of chenille spinning machine

Info

Publication number: CN218932439U
Application number: CN202222825563.7U
Authority: CN
Inventors: 石勇强; 曾宇; 丁小华; 潘嘉炜
Original assignee: Xinchang County Lanxiang Machinery Co ltd
Current assignee: Xinchang County Lanxiang Machinery Co ltd
Priority date: 2022-09-14
Filing date: 2022-10-26
Publication date: 2023-04-28
Anticipated expiration: 2032-10-26
Also published as: CN115573080A; CN218756272U; CN115573071A; CN218932440U; CN218932438U; CN218756273U; CN218932437U; CN218756271U

Abstract

The utility model discloses an adjustable roller shaft structure of a chenille spinning machine, which belongs to the technical field of spinning equipment and comprises a roller shaft and a roller disc, wherein the roller disc is arranged at the front end of the roller shaft, a roller gear is arranged in the middle of the roller shaft and can be meshed with a transmission gear to realize the rotation of the roller shaft and the roller disc, roller bearings are arranged on the roller shaft at the front side and the rear side of the roller gear, a distance fine adjustment part is arranged at the rear end of the roller shaft, the distance fine adjustment part comprises an adjustment screw sleeve, external threads are arranged on the outer wall of the adjustment screw sleeve, internal threads are arranged at the inner walls of shells of a left swing arm part and a right swing arm part, the external threads can be matched with the internal threads, the adjustment screw sleeve and the roller shaft are in a central alignment arrangement state, and a rotation connection state is formed between the two.

Description

Adjustable roller shaft structure of chenille spinning machine

Technical Field

The utility model relates to the technical field of chenille spinning machines, in particular to an adjustable roller shaft structure of a chenille spinning machine.

Background

Chenille textile machines are novel textile equipment for producing chenille yarns, and are widely used in the production of clothing fabrics, furniture materials, automobile interiors and other fields due to the characteristics of softness, comfort, soft touch, bright color and the like of chenille yarns.

When the chenille spinning machine works, firstly knitting wool is wound on an inverted triangle cutting distance piece through a high-speed rotary head, the length of a knitting wool yarn is determined by the width of the neck of the cutting distance piece, then a press roller is fed on a raw yarn creel, two core wires are fed, one of the core wires forms a surface layer core wire of the chenille yarn, the other core wire forms a bottom layer core wire of the chenille yarn, and knitting wool on the cutting distance piece is pushed to a blade by a roller piece and cut off by the blade. The cut knitting wool is clamped between the surface core wire and the bottom core wire respectively towards two sides, and then the sheet knitting wool between the two core wires is scattered into chenille yarn by utilizing the rotation of the winding spindle downwards.

The roller shaft and the roller wheel arranged on the roller shaft are core components of the chenille spinning machine, and are important components for realizing core wire feeding and final twisting into chenille yarns, so that the installation accuracy and the adjustment capability of the roller shaft determine one of important factors of the quality of the chenille yarn finished products, and the roller shaft of the chenille spinning machine in the prior art has the conditions of inconvenient installation and adjustment and poor use stability.

Disclosure of Invention

The utility model aims to provide an adjustable roller shaft structure of a chenille spinning machine, which improves the quality of chenille yarn manufacturing and reduces maintenance cost by improving the stability and the adjustability of roller shaft installation.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

the adjustable roller shaft structure of the chenille spinning machine comprises a roller shaft and a roller disc, wherein the roller disc is arranged at the front end of the roller shaft, a roller gear is arranged in the middle of the roller shaft and can be meshed with a transmission gear to realize rotation of the roller shaft and the roller disc, roller bearings are arranged on the roller shaft at the front side and the rear side of the roller gear, a distance fine adjustment part is arranged at the rear end of the roller shaft, the distance fine adjustment part comprises an adjustment screw sleeve, external threads are arranged on the outer wall of the adjustment screw sleeve, internal threads are arranged at the inner wall of a shell of the left swing arm part and the right swing arm part, the external threads can be matched with the internal threads, and the adjustment screw sleeve and the roller shaft are in a central alignment arrangement state and are in a rotation connection state.

Further, a roller chuck and a roller cover plate are respectively arranged on the front side and the rear side of the roller disc. The precision and the rotating stability of installation can be improved, and the disassembly and the replacement are convenient.

Further, the outer ring of the roller disc is made of polyurethane material. The wear resistance of the yarn is improved, and the flexibility of the yarn during conveying is improved.

Furthermore, the center of the outer ring of the roller disc is provided with a circle of groove structure. The groove is used for accommodating yarns, so that the wiring is more accurate.

Further, the adjusting screw sleeve is connected with the roller shaft, an inner ring of the bearing is connected with the roller shaft, and an outer ring of the bearing is connected with the inner wall of the adjusting screw sleeve. The interference to the rotation of the roller shaft can be reduced, and the rotation of the roller shaft is more stable and accurate.

Furthermore, a limit nut is matched and arranged on the external thread of the adjusting screw sleeve. The limiting nut plays a role in locking and prevents the displacement of the roller shaft after the adjustment is completed.

Further, the front end of the adjusting screw sleeve is provided with a groove, a sealing ring is arranged on the groove, and the sealing ring is tightly attached to the groove and the inner wall of the shell.

Further, an oil seal is arranged on the roller shaft at the rear end of the roller chuck.

Adopt this scheme, compare prior art, have following benefit:

the adjustable roller shaft structure of the chenille spinning machine is characterized in that the roller shaft is arranged in the left swing arm part and the right swing arm part through the front roller bearing and the rear roller bearing, the adjustable roller shaft structure is arranged through the roller bearings arranged on the front side and the rear side of the roller gear, has excellent dynamic balance and stability, and can ensure long-term stable work of the roller shaft and the roller disc;

the fine adjustment part of the distance in the scheme realizes fine adjustment operation on the position of the roller shaft through the mode of the adjusting screw sleeve, and the fine adjustment part and the roller shaft are connected through the bearing, so that the adjusting screw sleeve can not interfere with the rotation of the roller shaft in the adjusting process, and the adjusting screw sleeve can not be influenced under the condition that the roller shaft normally works and rotates when the adjustment is finished, so that the condition that the roller shaft rotates and deviates in a traveling way is prevented, the stable work of the roller shaft can be ensured, and the quality of chenille yarns is ensured;

this scheme adopts multiple seal overall arrangement, and at the front end and the rear end equipartition oil blanket or the sealing washer of roller axle, can restrict inside lubricant in its inside, prevent that it from spilling over, more can prevent that the yarn from receiving the greasy dirt influence.

Drawings

Fig. 1 is a schematic structural view of a yarn guiding swing arm according to a preferred embodiment.

Fig. 2 is a schematic view of an installation structure of the yarn guiding swing arm.

Fig. 3 is a schematic exploded view of the left swing arm motor and the left swing arm assembly.

Fig. 4 is a schematic diagram of the internal transmission structure of the left swing arm assembly.

Fig. 5 is an exploded view of the front section of the roller shaft.

Fig. 6 is an exploded view of the rear section of the roller shaft.

Detailed Description

The original purpose of this scheme is to design a set of chenille loom that can carry out the free regulation configuration to the rotational speed, carries out independent motor control to chenille loom's core part gyration head subassembly, makes it can be fit for various yarn types and batches to produce the chenille yarn of high quality uniformity, and through the mode that improves rotational speed and stability, improve chenille yarn's production efficiency by a wide margin.

Referring to fig. 1, fig. 2 and fig. 3, an adjustable roller shaft structure of a chenille spinning machine is disclosed, a left swing arm motor 31 and a right swing arm motor are symmetrically arranged on a frame 1, the left swing arm motor 31 is connected with a left swing arm part 3, the right swing arm motor is connected with a right swing arm part, the left swing arm part 3 and the right swing arm part are symmetrically arranged (for simplifying the explanation, the scheme is further illustrated by taking the left swing arm motor 31 and the left swing arm part 3 as examples);

the roller motor 21 is installed in the central position of the top of the frame 1, the rotating shaft 22 of the roller motor 21 is in a state of extending towards two ends, the left end and the right end of the rotating shaft 22 are connected with the roller shaft 23, the roller shaft 23 is matched with the roller wheel 24, the roller wheel 24 is an iron core wheel so as to forcefully balance the weight, the rotating shafts at the two ends of the roller wheel 24 are limited in the U-shaped groove 25, the diameter of the roller wheel 24 (namely the weight of the balance weight of the adjusting iron core) is properly changed, the roller wheel 24 can be always attached to the roller shaft 23, the roller shaft 23 is driven to rotate by the roller motor 21 and drives the roller wheel 24 to correspondingly rotate, and a surface core wire and a bottom core wire of chenille which are conveyed from the front end are conveyed between the roller wheel 24 and the roller shaft 23 through the wire rings 26, so that the accurate control of the conveying speed and the conveying tension of the two core wires can be realized through the rotating speed control of the roller motor 21, and the core wires at the left side and the right side of the roller motor 21 are respectively conveyed to the left swing arm part 31 and the right swing arm part for realizing the manufacture of the chenille yarn.

The main body of the frame 1 is a bilateral symmetry structure, for the stability of the structure, the frame 1 can be integrally formed by an aluminum alloy casting piece or a milling piece, mounting holes 33 are symmetrically arranged on the left side and the right side of the frame 1, mounting bearings 34 are arranged on the left side swing arm part 3 and the right side swing arm part, the mounting bearings 34 can be arranged in the corresponding mounting holes 33, specifically, the outer ring outer wall of the mounting bearings 34 is tightly attached to the inner wall of the mounting holes 33, the rear end of the left side swing arm part 3 is provided with a hollow mounting seat 35, the outer wall of the mounting seat 35 is exactly attached to the inner ring inner wall of the mounting bearings 34, so that the left side swing arm part 3 can rotate by the central line of the mounting holes 33, the mounting bearings 34 or the mounting seat 35, and the left side swing arm part 3 is precisely mounted on the frame 1 through the mounting seat 35 and the mounting bearings 34 during actual mounting, the motor gear 32 is arranged at the front end of the left swing arm motor 31, the left swing arm motor 31 is installed from the rear end to the front end through a screw and a screw hole on the back of the frame 1, the motor gear 32 passes through the central hollow part of the installation seat 35 in the installation process, power is transmitted to the inside of the left swing arm part 3, the rotating shaft or the transmission shaft of the left swing arm motor 31 and the installation bearing 34 are in a coaxial structure arrangement state, so that the installation is more accurate, the power transmission is more stable, and even if the rotating speed of the left swing arm motor 31 is adjusted, the rotation of the left swing arm part 3 is not interfered, so that the rotation of the left swing arm part 3 is not influenced when the rotating speed of the left swing arm motor 31 is freely adjusted, the pressure of the left swing arm part 3 in the chenille spinning process is not influenced, and the consistency and quality of chenille yarns can be improved.

Referring to fig. 4, the left swing arm part 3 is hollow, two engaged transition wheels 36 are arranged, a roller shaft part 4 is longitudinally arranged at the inner side of the top of the left swing arm part 3, the roller shaft part 4 comprises a roller shaft 41, a roller shaft gear 42 is arranged at the middle position of the roller shaft 41, the roller shaft gear 42 and the transition wheels 36 are also engaged, and in terms of transmission, the left swing arm motor 31 realizes power transmission to the roller shaft gear 42 and the roller shaft 41 through the left swing arm motor gear 32 and the transition wheels 36; the traditional shaft coupling and other parts are not needed in the structure, namely, as long as the left swing arm motor 31 is installed in place, the efficient and accurate transmission function can be realized, the equipment installation operation and debugging process is greatly simplified, the transmission structure is simplified, and the motor and the overall transmission efficiency are improved.

The top at left swing arm part 3 is equipped with apron 37, and apron 37 passes through the screw to be installed at the top of left swing arm part 3, opens apron 37 and can be convenient for install and operation such as maintenance, when necessary, can also carry out the interpolation operation to the inside of left swing arm part 3 to can guarantee that inside gear drive structure obtains lubricating, improve its life and stability.

Referring to fig. 5 to 6, a roller shaft 41 is stably installed inside a left swing arm part 3 through two roller bearings 43, a roller chuck 46, a roller disc 47 and a roller cover disc 48 are respectively arranged at the front end of the roller shaft 41, wherein the outer ring of the roller disc 47 can be made of polyurethane materials, the surface core wire for manufacturing chenille yarns is conveyed around the roller disc 47, the roller chuck 46 and the roller cover disc 48 are used for fixing the roller disc 47 on the roller shaft 41, the front end of the roller cover disc 48 is provided with an installation straight groove, an inner hexagon installation screw 49 is installed inside the roller shaft 41 through threads, in the installation process, the rotation of the roller cover disc 48 can be limited by a wrench firstly, and then the installation screw 49 is installed through an inner hexagon wrench, so that the outer ring of the roller disc 47 needs to be regularly maintained and replaced, and the installation structure adopting the scheme has the characteristics of simple structure and convenient installation process, and can not influence the rotation of the roller shaft 41 on the transition wheel 36 and the swing arm 31 of the left motor due to installation is prevented; an oil seal 45 is provided on the roller shaft 41 between the roller bearing 43 and the roller chuck 46 to prevent the lubricant inside the left swing arm member 3 from overflowing or penetrating into the roller disc 47, thereby contaminating the yarn.

The position and the rotational speed of the roller wheel 47 are important parameters for guaranteeing the quality of chenille yarns, in order to achieve accurate adjustment of the front and rear positions of the roller wheel 47, a distance fine adjustment component 400 is arranged at the rear end of the roller shaft 41, the distance fine adjustment component 400 comprises an adjustment screw sleeve 401, the adjustment screw sleeve 401 is of a hollow structure, the hollow interior can correspondingly accommodate the roller shaft 41, an external thread is arranged on the outer wall of the adjustment screw sleeve 401, an internal thread is arranged at the inner wall of a shell of the left swing arm component 3, the external thread can be matched with the internal thread, the adjustment screw sleeve 401 and the roller shaft 41 are in a central alignment arrangement state, a bearing cavity 402 is arranged at the rear end of the adjustment screw sleeve 401, namely the outer wall of the outer ring of the fine adjustment bearing 403 is attached to the bearing cavity 402, the inner wall of the inner ring of the fine adjustment bearing 403 is attached to the outer wall of the rear end of the roller shaft 41, a shaft end 404 is arranged at the outer end of the fine adjustment bearing 403, the shaft end for fine adjustment of the outer edge of the bearing 403 is installed at the outer end of the roller shaft 41 through a retaining screw 405, and accordingly the adjustment screw sleeve 401 is connected with the roller shaft 41 in a longitudinal displacement, the roller shaft 401 is achieved, the roller shaft and the roller shaft 41 is in a position of the inner thread can be adjusted by the fact that the screw sleeve is not interfered with the roller shaft 401 in a rotating position, and the position of the roller shaft is adjusted by the screw sleeve in the actual rotation, and the position of the screw sleeve is adjusted.

The yarn is actually clamped between the roller wheel 47 and the lower roller wheel 38 for conveying, wherein the two sides of the lower roller wheel 38 are provided with side structures, the roller wheel 47 can be clamped between the side structures, the lower roller wheel 38 is sleeved on the lower roller wheel shaft 39 with a smooth outer wall through a bearing, so when the roller wheel 47 is displaced forwards and backwards through the roller shaft 41, the lower roller wheel 38 is synchronously displaced with the roller wheel 47, a circle of grooves are formed in the centers of the outer walls of the roller wheel 47 and the lower roller wheel 38, the two grooves are in an aligned state, the yarn is clamped in the two grooves for conveying, the conveying is more accurate, and the quality of the finished chenille yarn is also more controllable.

In order to make the adjusting position relatively stable, the condition that the adjusting screw sleeve 401 rotates in the working process of the left swing arm part 3 is prevented, a limit nut 408 is matched and arranged on the external thread of the adjusting screw sleeve 401, the side wall of the limit nut 408 can be attached to the shell of the left swing arm part 3, the locking effect is achieved, and the condition that the adjusting screw sleeve 401 and the roller shaft 41 displace after the adjustment is completed is prevented.

In order to play a role in sealing, a sealing groove 406 is arranged at the outer wall of the front end of the adjusting screw sleeve 401, and an O-shaped sealing ring is correspondingly arranged at the sealing groove 406 to play a role in oil sealing; in order to reduce the influence on the gear transmission when the roller shaft 41 is subjected to position fine adjustment, the roller gear 42 has a width larger than that of the transmission wheel 36, so that the tolerance of fine adjustment displacement of the roller shaft 41 can be used.

In order to detect whether the yarn is normally conveyed, a yarn breakage alarm part 11 is arranged on the frame 1, the yarn breakage alarm part 11 comprises an alarm porcelain wheel 12 and a yarn breakage sensor 13, wherein the alarm porcelain wheel 12 is arranged at a position between a compression roller shaft 23 and a roller wheel 47 in a core wire conveying path, specifically, the yarn breakage sensor 13 can be of a Hall sensor structure, when the yarn passes through the alarm porcelain wheel 12, the alarm porcelain wheel 12 is driven to continuously rotate, a voltage value with a corresponding frequency is obtained at the yarn breakage sensor 13, and when the yarn breakage occurs, the yarn breakage sensor 13 cannot obtain the corresponding voltage value, so that the system can judge that the yarn breakage occurs, and if necessary, the system can implement shutdown operation; furthermore, by analysis of the voltage value variation of the broken yarn sensor 13, the system can be used to obtain the current yarn feeding speed, and the data acquisition is more accurate due to the stable tension of the yarn fed during the pressing roller shaft 23 and the roller wheel 47.

In summary, according to the adjustable roller shaft structure of the chenille textile machine, the press roller motor 21, the left swing arm motor 31 and the right swing arm motor are independently installed and arranged, wherein the press roller motor 21 is used for conveying the core wires in a tension maintaining manner, the rotation speed difference of the press roller motor 21 can be adjusted through the left swing arm motor 31 or the right swing arm motor, and the draw ratio between the two can be accurately and efficiently adjusted, so that the device can adapt to various types of yarns and process requirements, and the moisture regain of yarns in different batches can be correspondingly adjusted, so that the quality of finished chenille yarns is higher, and the consistency of products can be ensured; the traditional equipment adopts a single-motor transfer case structure, so that the mechanical structure is complex, the use and maintenance cost is high, and the pull ratio adjustment (usually, the fixed pull ratio is 1:1.07) is difficult, so that the traditional equipment cannot meet the production requirement of high-speed high-quality chenille yarns;

in the installation of the left swing arm motor 31 or the right swing arm motor, the motor rotating shaft and the corresponding installation bearing are installed in a coaxial arrangement mode, the rotation flexibility and the power input stability of the left swing arm part 3 and the right swing arm part can be greatly improved, and the installation structure is greatly reduced, so that the left swing arm motor 31 or the right swing arm motor does not need a complicated mechanical transmission part, has optimal transmission efficiency, can stably and efficiently operate the roller wheel 47 at the terminal, and simultaneously, the roller wheel 47 can be worn in the high-speed generation process, so that the service life of the roller can be prolonged and the replacement period of the roller can be reduced through the rotation speed compensation control of the left swing arm motor 31 or the right swing arm motor.

Claims

1. Adjustable roller axle construction of chenille weaving machine, its characterized in that: the novel roller comprises a roller shaft and a roller disc, wherein the roller disc is arranged at the front end of the roller shaft, a roller gear is arranged in the middle of the roller shaft and can be meshed with a transmission gear to realize rotation of the roller shaft and the roller disc, roller bearings are arranged on the roller shaft at the front side and the rear side of the roller gear, a distance fine adjustment component is arranged at the rear end of the roller shaft, the distance fine adjustment component comprises an adjustment screw sleeve, external threads are arranged on the outer wall of the adjustment screw sleeve, internal threads are arranged at the inner wall of a shell of the left swing arm component and the right swing arm component, the external threads can be matched with the internal threads, the adjustment screw sleeve and the roller shaft are in a central alignment arrangement state, and a rotation connection state is formed between the adjustment screw sleeve and the roller shaft.

2. The adjustable roller axle construction of a chenille machine according to claim 1, wherein: the front side and the rear side of the roller disc are respectively provided with a roller chuck and a roller cover plate.

3. The adjustable roller axle construction of a chenille machine according to claim 1, wherein: the outer ring of the roller disc is made of polyurethane material.

4. The adjustable roller axle construction of a chenille machine according to claim 1, wherein: the center of the outer ring of the roller disc is provided with a circle of groove structure.

5. The adjustable roller axle construction of a chenille machine according to claim 1, wherein: the adjusting screw sleeve is connected with the roller shaft, the inner ring of the bearing is connected with the roller shaft, and the outer ring of the bearing is connected with the inner wall of the adjusting screw sleeve.

6. The adjustable roller axle construction of a chenille machine according to claim 5, wherein: and a limit nut is matched and arranged on the external thread of the adjusting screw sleeve.

7. The adjustable roller axle construction of a chenille machine according to claim 5, wherein: the front end of the adjusting screw sleeve is provided with a groove, a sealing ring is arranged on the groove, and the sealing ring is tightly attached to the groove and the inner wall of the shell.

8. The adjustable roller axle construction of chenille machine according to claim 2, wherein: an oil seal is arranged on a roller shaft at the rear end of the roller chuck.