CN213356541U

CN213356541U - Double-roller tension control device for preventing yarn from being broken and wound

Info

Publication number: CN213356541U
Application number: CN202022089066.6U
Authority: CN
Inventors: 徐秀国
Original assignee: Qingdao Qizheng Machinery Manufacturing Co ltd
Current assignee: Qingdao Qizheng Machinery Manufacturing Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-06-04
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a prevent two roller tension control devices of yarn broken string winding, including setting up at the last roller subassembly on frame upper portion and setting up the lower roller subassembly in the frame lower part, go up the roller subassembly and include last roller and set up the epaxial a plurality of last roller and go up the roller, every top of going up the roller all is equipped with one rather than the matched with and goes up the compression roller. The lower roller assembly comprises lower roller shafts, the lower roller shafts are provided with lower rollers which are equal to the upper rollers in number and correspond to the upper rollers one by one, and a lower press roller matched with each lower roller shaft is arranged above each lower roller shaft. And the rear side of each upper roller is provided with a wire detector. And an anti-winding mechanism is arranged above the front part of each lower roller. The utility model discloses a two roller control, yarn tension is stable, can whole car adjustment tension, realizes a key tension control. The anti-winding mechanism realizes rapid yarn breakage feedback, avoids yarn winding, waste and worker yarn cleaning work, and improves yarn quality and working efficiency.

Description

Double-roller tension control device for preventing yarn from being broken and wound

Technical Field

The utility model relates to a textile machinery technical field, concretely relates to prevent two roller tension control devices of yarn broken string winding.

Background

The mode that current napping machine adopted single roller to grip is processed the yarn, single roller is overfeed roller, and overfeed roller is little to the resistance of gripping of yarn, easily causes the yarn to skid on overfeed roller, and tension control is unstable, and the tension of each yarn is inhomogeneous, and the spindle is poor serious, in addition, can not put in order car adjustment yarn tension, need carry out manual regulation to every overfeed roller and tensioner, and it is hard to take trouble, and degree of automation is low, influences production efficiency. Therefore, further improvements are needed in the art.

SUMMERY OF THE UTILITY MODEL

Not enough to above-mentioned prior art, the utility model aims to provide a prevent two roller tension control devices of yarn broken string winding solves prior art and adopts single roller to grip, and single roller is overfeed roller, and the resistance of gripping is little, and the yarn easily skids, and tension control is unstable, and the spindle is poor serious, can not put in order the tensile problem of car adjustment.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the double-roller tension control device comprises an upper roller assembly arranged on the upper portion of a rack and a lower roller assembly arranged on the lower portion of the rack, wherein the upper roller assembly comprises an upper roller shaft and a plurality of upper rollers arranged on the upper roller shaft, and an upper press roller matched with the upper roller is arranged above each upper roller.

The lower roller assembly comprises lower roller shafts, the lower roller shafts are provided with lower rollers which are equal to the upper rollers in number and correspond to the upper rollers one by one, and a lower press roller matched with each lower roller shaft is arranged above each lower roller shaft.

And the rear side of each upper roller is provided with a wire detector.

And an anti-winding mechanism is arranged above the front part of each lower roller.

Furthermore, the upper roller shaft is transversely arranged at the upper part of the rack and is in running fit with the upper roller shaft, and the lower roller shaft and the upper roller shaft are arranged in parallel relatively and are in running fit with the rack.

Furthermore, all the upper rollers are sequentially arranged at equal intervals along the length direction of the upper roller shaft and are coaxially and fixedly connected with the upper roller shaft, and the upper roller shaft drives all the upper rollers to synchronously rotate.

All the lower rollers are sequentially arranged at equal intervals along the length direction of the lower roller shaft and are coaxially and fixedly connected with the lower roller shaft, and the lower roller shaft drives all the lower rollers to synchronously rotate.

Furthermore, each upper compression roller is installed on the rack through an upper compression roller support, and each upper compression roller is in running fit with the corresponding upper compression roller support.

Each lower pressing roller is installed on the frame through a lower pressing roller support, and each lower pressing roller is in running fit with the corresponding lower pressing roller support.

Furthermore, the anti-winding mechanism comprises shredding devices which are equal in number to the lower compression rollers and correspond to the lower compression rollers one by one, and the shredding devices are linearly arranged above the front portions of the lower compression rollers and are fixedly connected with the rack through shredding device supports.

The front side of each filament cutter is provided with a tensioner, all the tensioners are fixedly arranged on a tensioner bracket, and the tensioner bracket is fixedly connected with the rack.

Further, a spindle is arranged between each upper roller and the corresponding lower roller, and all the spindles are arranged on the spindle supports.

The two ends of the spindle support are fixedly connected with the rack, and the spindle is in running fit with the spindle support.

Furthermore, a grooved drum is arranged above the rear portion of each upper pressing roller, each grooved drum is arranged on the rack through a grooved drum rotating shaft, and the grooved drum rotating shafts drive the grooved drums to rotate synchronously.

All be provided with a rabbit head between each groove section of thick bamboo and the last compression roller that corresponds, the one end of each rabbit head is all installed on transverse arrangement's actuating lever, the actuating lever passes through guide pin bushing and frame along its axial sliding fit, drives each rabbit head transverse reciprocating motion.

Furthermore, each bobbin creel is arranged above the grooved drum, bobbins can be mounted on the bobbin creels, and yarns wind around the grooved drum and then are wound on the bobbins.

By adopting the technical scheme, the utility model discloses a beneficial technological effect is: the utility model discloses a two roller control, every roller all have the compression roller to grip, guarantee that yarn tension is stable, can whole car adjustment tension, realize a key tension control. And meanwhile, an anti-winding mechanism is arranged, after the yarn is broken at the position of the upper roller, the yarn detector feeds back a signal, the yarn cutter cuts off the yarn and holds the thread end, the yarn winding of the lower roller is prevented, the yarn waste and the extra yarn cleaning work of workers are avoided, and the yarn quality and the working efficiency are improved.

Drawings

Fig. 1 is a schematic view of the structural principle of the double-roller tension control device for preventing yarn from being broken and wound.

Fig. 2 is an isometric view of the double-roller tension control device of the present invention for preventing yarn breakage and winding.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

with reference to fig. 1 and 2, a double-roller tension control device for preventing yarn breakage and winding comprises an upper roller assembly 1 arranged on the upper portion of a frame 9 and a lower roller assembly 2 arranged on the lower portion of the frame 9, wherein the upper roller assembly 1 comprises an upper roller shaft 11 and a plurality of upper rollers 12 arranged on the upper roller shaft 11, the upper roller shaft 11 is transversely arranged on the upper portion of the frame 9 and is in running fit with the upper roller shaft, one end of the upper roller shaft 11 is connected with a power mechanism of a raising machine, and the power mechanism drives the upper roller shaft 11 to rotate at a constant speed.

All the upper rollers 12 are sequentially arranged at equal intervals along the length direction of the upper roller shaft 11 and are coaxially and fixedly connected with the upper roller shaft 11, and the upper roller shaft 11 drives all the upper rollers 12 to synchronously rotate. An upper compression roller 13 matched with the upper roller is arranged above each upper roller 12, each upper compression roller 13 is installed on the machine frame 9 through an upper compression roller support 14, and each upper compression roller 13 is in running fit with the corresponding upper compression roller support 14. The upper compression roller 13 is pressed on the surface of the corresponding upper roller 12, the yarns 8 pass through the space between the upper compression roller 13 and the corresponding upper roller 12, and the upper roller 12 drives the corresponding upper compression roller 13 to rotate, so that the yarns 8 are conveyed.

The lower roller assembly 2 comprises a lower roller shaft 21, the lower roller shaft 21 and the upper roller shaft 11 are arranged in parallel relatively and are in running fit with the frame 9, one end of the lower roller shaft 21 is also connected with a power mechanism of the napping machine, and the power mechanism drives the lower roller shaft 21 to rotate at a constant speed. The lower roller shafts 21 are provided with lower rollers 22 which are equal in number and correspond to the upper rollers 12 one by one, all the lower rollers 22 are sequentially arranged at equal intervals along the length direction of the lower roller shafts 21 and are coaxially and fixedly connected with the lower roller shafts 21, and the lower roller shafts 21 drive all the lower rollers 22 to synchronously rotate.

Each lower roller shaft 21 is provided with a lower press roller 23 above, each lower press roller 23 is mounted on the frame 9 through a lower press roller bracket 24, and each lower press roller 23 is rotatably matched with the corresponding lower press roller bracket 24. The lower pressing roller 23 is pressed on the surface of the corresponding lower roller 22, the yarns 8 pass through the space between the lower pressing roller 23 and the corresponding lower roller 22, and the lower roller 22 drives the corresponding lower pressing roller 23 to rotate, so that the yarns 8 are conveyed.

The rear side of each upper roller 12 is provided with a yarn detector 3, the yarn detectors 3 are mounted on the frame 9, the signal output ends of the yarn detectors are in communication connection with an electric control system of the napping machine, and the yarn detectors 3 send signals to the electric control system when yarn breakage occurs. Spindles 4 are arranged between each upper roller 12 and one corresponding lower roller 22, and all the spindles 4 are arranged on spindle supports 41. Two ends of the spindle support 41 are fixedly connected with the rack 9, the spindle 4 is in running fit with the spindle support 41, and a tangential belt is arranged above the spindle support 41 and drives the spindle to rotate.

The ratio of the rotating speed of the upper roller shaft 11 to the rotating speed of the lower roller shaft 21 is constant, and the draft ratio and the tension of the yarn 8 between the upper roller 12 and the lower roller 22 are kept constant. During operation, the yarn 8 passes between the lower roller 22 and the lower pressure roller 23, passes through the spindle 4 upwards, then bypasses the rear side of the yarn detector 3, and passes out between the upper roller 12 and the upper pressure roller 13. All the yarns 8 passing through the upper roller 12 and the lower roller 22 have consistent and constant tension, the spindle 4 drives the yarns 8 to do circular swing motion to be contacted with the inner side wall of the grindstone, the yarns are twisted locally near the contact position of the yarns and the grindstone, and the yarns are ground uniformly.

An anti-winding mechanism 5 is arranged above the front part of each lower roller 22. The anti-winding mechanism 5 comprises shredding devices 51 which are equal to the number of the lower pressing rollers 23 and correspond to each other one by one, and each shredding device 51 is linearly arranged in front of and above the lower pressing rollers 23 and is fixedly connected with the rack 9 through a shredding device support 52. The signal end of the filament cutter 51 is connected with an electric control system of the napping machine, and in a working state, when the filament detector 3 detects a broken yarn, a signal is sent to the electric control system, the electric control system sends the signal to the filament cutter 51, and the filament cutter 51 cuts off the yarn and keeps the yarn end on the filament cutter 51. The front side of each filament cutter 51 is provided with a tensioner 53, all the tensioners 53 are fixedly arranged on a tensioner bracket 54, and the tensioner bracket 54 is fixedly connected with the frame 9. The yarn 8 is wound on the anti-wind mechanism 5 in the following manner: the yarn 8 passes first around the tensioner 53, then through the cutter 51, passes around the bottom of the lower roller 22, passes between the lower roller 22 and the lower pressure roller 23, and passes upward through the spindle 4.

The rear upper part of each upper press roll 13 is provided with a grooved drum 6, each grooved drum 6 is arranged on the frame 9 through a grooved drum rotating shaft 61, one end of each grooved drum rotating shaft 61 is connected with a power mechanism of the napping machine, and each grooved drum 6 is driven by the grooved drum rotating shaft 61 to synchronously rotate. A rabbit head 62 is arranged between each grooved drum 6 and the corresponding upper compression roller 13, one end of each rabbit head 62 is mounted on a driving rod 63 which is transversely arranged, and the driving rod 63 is in sliding fit with the machine frame 9 along the axial direction of the driving rod 63 through a guide sleeve to drive each rabbit head 62 to transversely reciprocate.

Every the top of grooved drum 6 all is equipped with a bobbin cradle 7, mountable spool on the bobbin cradle 7, yarn 8 twines on the spool after bypassing grooved drum 6. The winding of the yarn 8 after passing through the upper roller 13 is performed in a manner known in the art.

The parts not mentioned in the utility model can be realized by adopting or using the prior art for reference.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims

1. A double-roller tension control device for preventing yarn breakage and winding comprises an upper roller assembly arranged at the upper part of a frame and a lower roller assembly arranged at the lower part of the frame, and is characterized in that the upper roller assembly comprises an upper roller shaft and a plurality of upper rollers arranged on the upper roller shaft, and an upper compression roller matched with each upper roller is arranged above each upper roller;

the lower roller assembly comprises lower roller shafts, the lower roller shafts are provided with lower rollers which are equal to the upper rollers in number and correspond to the upper rollers one by one, and a lower press roller matched with each lower roller shaft is arranged above each lower roller shaft;

a thread detector is arranged at the rear side of each upper roller;

2. The double-roller tension control device for preventing the yarn from being broken and wound as claimed in claim 1, wherein the upper roller shaft is transversely arranged at the upper part of the frame and is in rotating fit with the upper roller shaft, and the lower roller shaft is arranged in parallel with the upper roller shaft and is in rotating fit with the frame.

3. The double-roller tension control device for preventing yarn from being broken and wound according to claim 1, wherein all the upper rollers are sequentially arranged at equal intervals along the length direction of the upper roller shaft and are coaxially and fixedly connected with the upper roller shaft, and the upper roller shaft drives all the upper rollers to synchronously rotate;

4. The double-roller tension control device for preventing yarn from being broken and wound according to claim 1, wherein each upper press roller is arranged on the frame through an upper press roller bracket, and each upper press roller is in rotating fit with the corresponding upper press roller bracket;

5. The double-roller tension control device for preventing the yarn from being broken and wound is characterized in that the anti-winding mechanism comprises slitters which are equal in number and correspond to the lower pressing rollers one by one, and all the slitters are linearly arranged above and in front of the lower pressing rollers and are fixedly connected with the machine frame through a shredder bracket;

6. The double-roller tension control device for preventing yarn breakage and winding as claimed in claim 1, wherein a spindle is arranged between each upper roller and a corresponding lower roller, and all spindles are arranged on a spindle bracket;

7. The double-roller tension control device for preventing yarn from being broken and wound is characterized in that a grooved drum is arranged above and behind each upper pressing roller, each grooved drum is arranged on the rack through a grooved drum rotating shaft, and the grooved drum rotating shafts drive the grooved drums to rotate synchronously;

8. The double-roller tension control device for preventing yarn breakage and winding according to claim 7, wherein a bobbin creel is arranged above each grooved drum, a bobbin can be mounted on each bobbin creel, and yarn is wound on the bobbin after bypassing the grooved drum.