CN214142688U

CN214142688U - Yarn detecting mechanism of two-for-one twister for PET (polyethylene terephthalate) leno cloth

Info

Publication number: CN214142688U
Application number: CN202023129682.6U
Authority: CN
Inventors: 肖雅香; 金涛
Original assignee: Changzhou Dongshan Carpet Material Co ltd
Current assignee: Changzhou Dongshan Carpet Material Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-09-07
Anticipated expiration: 2030-12-23

Abstract

The utility model relates to the technical field of processing equipment of PET leno cloth, in particular to a yarn detecting mechanism of a two-for-one twister of the PET leno cloth, which comprises a yarn detecting frame, a yarn twisting cylinder, a groove cylinder, a yarn guide, a yarn detecting rod and a yarn storage device, wherein the front end of the yarn detecting frame is provided with the yarn twisting cylinder, the groove cylinder is arranged below the yarn twisting cylinder, a plurality of supporting plates are welded on the side wall of the front end of the yarn detecting frame, and the side wall of one end of each supporting plate is correspondingly connected with the yarn guide, a first overfeeding roller, a second overfeeding roller, the yarn detecting rod and a frame; the yarn detecting rod is sleeved and matched with a yarn detecting barrel, and the yarn detecting barrel is arranged between the retaining ring and the nut; and a yarn detecting sensor is fixed on the side wall of one end of the frame through a bolt. The utility model discloses, the control yarn contact is on visiting a yarn section of thick bamboo, and after the nut rotated from visiting the yarn pole, carries out convenient change to visiting a yarn section of thick bamboo to it is rotatory around visiting the yarn pole that same visiting a yarn section of thick bamboo can also, changes visiting a yarn section of thick bamboo and yarn contact surface, prolongs the life cycle of visiting a yarn section of thick bamboo.

Description

Yarn detecting mechanism of two-for-one twister for PET (polyethylene terephthalate) leno cloth

Technical Field

The utility model relates to a processing equipment technical field of PET leno cloth especially relates to yarn mechanism is visited to two-for-one twister of PET leno cloth.

Background

Polyethylene terephthalate is the most important variety of thermoplastic polyesters, abbreviated as PET. Leno cloth, also called eyelet fabric, is an open-hole fabric woven by leno weave. It features that two groups of warp and weft are interwoven, usually with fine yarn and in relatively low density. The two-for-one twister is twisting equipment, can realize one-for-two twisting, improves twisting efficiency by times compared with the traditional twisting equipment, increases package capacity, has no joint for ten thousand meters, greatly improves twisting quality, enhances the performance of raw yarn, and meets the requirements of customers.

The yarn detecting rod of the existing two-for-one twister is an integral metal bent rod, heat generated by friction is not easy to dissipate in the high-speed yarn guiding process, the quality of fiber yarns (cotton, polyester yarns and the like) is influenced, the metal bent rod does not rotate, a groove can be ground out in months after the yarn guiding section of the metal bent rod is provided with rusty spots, yarn hanging and cotton yarn generation hairiness are often caused, the cotton yarn is scrapped, each twister is provided with hundreds of yarn breaking detecting rods, and a large amount of manpower and material resources are consumed for rod replacement.

And the two-for-one twister can appear the condition of broken yarn when working, through carrying on the broken yarn feeler lever on the yarn of operation among the prior art, the yarn fracture, the feeler lever loses the motion tension of yarn and supports, receives the influence of gravity and falls down, and the process of falling touches the mechanism and lifts the cradle. However, after the yarn of the existing two-for-one twister is broken, the yarn can be wound on the spindle, and the more the yarn on the spindle is accumulated in time, the normal rotation of the spindle is greatly hindered, and the running stability of the two-for-one twister is seriously influenced.

Therefore, the yarn detecting mechanism of the two-for-one twister for the PET leno cloth is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a yarn detecting mechanism of a two-for-one twister for PET leno cloth.

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

a yarn detecting mechanism of a two-for-one twister for PET (polyethylene terephthalate) leno cloth comprises a yarn detecting rack, a yarn twisting barrel, a groove barrel, a yarn guide, a yarn detecting rod and a yarn storage device, wherein the yarn twisting barrel is arranged at the front end of the yarn detecting rack, the groove barrel is arranged below the yarn twisting barrel, a plurality of supporting plates are welded on the side wall of the front end of the yarn detecting rack, and the yarn guide, a first overfeeding roller, a second overfeeding roller, the yarn detecting rod and the yarn storage device are correspondingly connected to the side wall of one end of each supporting plate;

the yarn detecting rod is sleeved and matched with a yarn detecting barrel, and the yarn detecting barrel is arranged between the retaining ring and the nut;

and a yarn detecting sensor is fixed on the side wall of one end of the frame through a bolt.

Preferably, the yarn detecting sensor is a BTSR photoelectric sensor yarn detector, the yarn passes through the yarn detecting sensor, and the yarn detecting sensor is used for detecting the breakage of the yarn.

Preferably, one end of the yarn detecting rod is fixed on the supporting plate through a bolt, and the supporting plate plays a role in fixing the yarn detecting rod.

Preferably, visit the yarn pole including integrated into one piece's horizontal pole and montant, and the outside of horizontal pole is provided with screw thread portion, and the outside fixed mounting of screw thread portion has the fender ring, and visit a yarn section of thick bamboo setting and be in the fender ring of fixed state and between the nut that can the activity was handled, play limiting displacement to the installation of visiting a yarn section of thick bamboo.

Preferably, a nut is further screwed to the outside of the threaded portion.

Preferably, the first overfeed roller and the second overfeed roller are positioned on two vertical surfaces, and the two overfeed rollers are arranged to ensure the tension of the yarn.

The utility model has the advantages that:

1. the utility model discloses, when the yarn fracture, when visiting the yarn sensor and not detecting the yarn, with signal transmission to control module to the cooperation filament cutter in time cuts off disconnected silk, in order to prevent the fibre winding machine part.

2. The utility model discloses, utilize mutually supporting of visiting yarn pole and visiting yarn sensor, in time detect the broken string condition of yarn, ensure the normal operating of two-for-one twister.

3. The utility model discloses, the control yarn contact is on visiting a yarn section of thick bamboo, and after the nut rotated from visiting the yarn pole, carries out convenient change to visiting a yarn section of thick bamboo to it is rotatory around visiting the yarn pole that same visiting a yarn section of thick bamboo can also, changes visiting a yarn section of thick bamboo and yarn contact surface, prolongs the life cycle of visiting a yarn section of thick bamboo.

Drawings

Fig. 1 is a schematic front view structural diagram of a yarn detecting mechanism of a two-for-one twister for PET leno cloth provided by the utility model;

fig. 2 is a right view structure diagram of the yarn detecting mechanism of the two-for-one twister for PET leno cloth provided by the utility model;

fig. 3 is a schematic view of a partially enlarged structure a in fig. 1 of a yarn detecting mechanism of a two-for-one twister for PET leno cloth according to the present invention;

fig. 4 is a schematic axial structure diagram of a yarn detecting drum of a yarn detecting mechanism of a two-for-one twister for PET leno cloth provided by the utility model;

fig. 5 is a schematic block diagram of the yarn detecting mechanism of the two-for-one twister for PET leno cloth according to the present invention.

In the figure: the yarn detecting device comprises a yarn detecting rack 1, a yarn twisting barrel 2, a groove barrel 3, a first overfeed roller 4, a second overfeed roller 5, a yarn detecting rod 6, a yarn storage device 7, a supporting plate 8, a yarn guide device 9, a yarn guide device 10 rack, a yarn detecting sensor 11, a yarn detecting barrel 12, a retaining ring 13 and a nut 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example (b): referring to fig. 1-5, the yarn detecting mechanism of the PET leno two-for-one twister comprises a yarn detecting frame 1, a twisting drum 2, a groove drum 3, a yarn guide 9, a yarn detecting rod 6 and a yarn storage 7, wherein the front end of the yarn detecting frame 1 is provided with the twisting drum 2, the groove drum 3 is arranged below the twisting drum 2, the side wall of the front end of the yarn detecting frame 1 is welded with a plurality of supporting plates 8, the side wall of one end of each supporting plate 8 is correspondingly connected with the yarn guide 9, a first overfeed roller 4, a second overfeed roller 5, the yarn detecting rod 6 and a frame 10, and the first overfeed roller 4 and the second overfeed roller 5 are positioned on two vertical surfaces;

the yarn storage device 7 comprises a spindle tank and a yarn storage barrel, the yarn storage barrel is arranged in the spindle tank, a spindle motor is arranged at the bottom of the spindle tank, and the spindle motor drives the yarn storage barrel in the spindle tank to rotate.

Further, each unit of the two-for-one twister is designed to be 8 spindles, and the front side and the rear side of the two-for-one twister are 16 spindles in total. The working principle of each spindle is shown in figure 1 of the attached drawing of the specification, when a spindle motor drives the spindle to rotate, a groove drum 3 and a twisting drum are driven by a linear speed motor to synchronously rotate, so that the yarn passes through a yarn guide hook from a yarn storage drum and then vertically enters a yarn detecting sensor 11, then passes through a second overfeed roller 5 and a first overfeed roller 4, then passes through a yarn guide 9 to extend onto the groove drum 3, and then is wound on the twisting drum 2.

The yarn detecting device comprises a frame 10, a yarn detecting sensor 11 is fixed on the side wall of one end of the frame 10 through a bolt, the yarn detecting sensor 11 selects a BTSR photoelectric sensor yarn detector, an operation panel is arranged on a yarn detecting frame 1, a control module is arranged in the operation panel, the control module is electrically connected with a driving module and an indicator, the driving module is connected with a power supply module, and the indicator is connected with the yarn detecting sensor 11.

Specifically, when the yarn is broken and the yarn detecting sensor 11 does not detect the yarn, the signal is transmitted to the control module, so that the filament cutter is matched to cut off the broken filament in time, and the filament is prevented from winding the machine part.

One end of the yarn detecting rod 6 is fixed on the supporting plate 8 through a bolt, a yarn detecting barrel 12 is sleeved and matched on the yarn detecting rod 6, and the yarn detecting barrel 12 is arranged between the retaining ring 13 and the nut 14;

the yarn detecting rod 6 comprises a cross rod and a vertical rod which are integrally formed, a thread part is arranged outside the cross rod, a baffle ring 13 is fixedly arranged outside the thread part, and a nut 14 is further connected outside the thread part in a threaded manner.

Specifically, when the yarn passes through the yarn detecting sensor 11, the yarn also passes through the yarn detecting rod 6, so that the yarn breakage condition of the yarn is detected in time by utilizing the mutual matching of the yarn detecting rod 6 and the yarn detecting sensor 11, and the normal operation of the two-for-one twister is ensured;

present select for use metal system to visit yarn pole 6, the yarn contacts on visiting yarn pole 6 for a long time, cause wearing and tearing and inconvenient change to visiting yarn pole 6 surface, cup joint installation in this application on traditional visit yarn pole 6's basis and visit a yarn section of thick bamboo 12, can control the yarn contact on visiting yarn section of thick bamboo 12, after 14 rotations get off from visiting yarn pole 6 on the nut, carry out convenient change to visiting yarn section of thick bamboo 12, and same visiting yarn section of thick bamboo 12 can also be rotatory around visiting yarn pole 6, change visiting yarn section of thick bamboo 12 and yarn contact surface, the life cycle of visiting yarn section of thick bamboo 12 is prolonged.

Those not described in detail in this specification are within the skill of the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A yarn detecting mechanism of a two-for-one twister for PET leno cloth comprises a yarn detecting rack (1), a yarn twisting barrel (2), a groove barrel (3), a yarn guide (9), a yarn detecting rod (6) and a yarn storage device (7), wherein the yarn twisting barrel (2) is arranged at the front end of the yarn detecting rack (1), and the groove barrel (3) is arranged below the yarn twisting barrel (2), and the yarn detecting mechanism is characterized in that a plurality of supporting plates (8) are welded on the side wall of the front end of the yarn detecting rack (1), and the yarn guide (9), a first overfeeding roller (4), a second overfeeding roller (5), the yarn detecting rod (6) and a yarn storage device frame (10) are correspondingly connected to the side wall of one end of each supporting plate (8);

a yarn detecting barrel (12) is sleeved and matched on the yarn detecting rod (6), and the yarn detecting barrel (12) is arranged between the retaining ring (13) and the nut (14);

and a yarn detecting sensor (11) is fixed on the side wall of one end of the frame (10) through a bolt.

2. The yarn detecting mechanism of the two-for-one twister for PET leno cloth according to claim 1, wherein the yarn detecting sensor (11) is selected from a BTSR photoelectric sensor yarn detector.

3. The yarn detecting mechanism of the PET leno cloth two-for-one twister according to claim 1, wherein one end of the yarn detecting rod (6) is fixed on the supporting plate (8) through a bolt.

4. The PET leno cloth two-for-one twister yarn detecting mechanism according to claim 3, wherein the yarn detecting rod (6) comprises a cross rod and a vertical rod which are integrally formed, a threaded part is arranged outside the cross rod, and a baffle ring (13) is fixedly arranged outside the threaded part.

5. The PET leno cloth two-for-one twister yarn-detecting mechanism according to claim 4, wherein a nut (14) is further screwed on the outside of the threaded portion.

6. The PET leno cloth two-for-one twister yarn detecting mechanism according to claim 1, wherein said first overfeed roller (4) and second overfeed roller (5) are on two vertical planes.