CN213516982U

CN213516982U - Detection protection device of yarn traction roller

Info

Publication number: CN213516982U
Application number: CN202022572061.9U
Authority: CN
Inventors: 蔡杰; 倪龙成; 王剑峰; 黄建方; 钱海东
Original assignee: Suzhou Jielan Intelligent Equipment Co Ltd
Current assignee: Suzhou Jielan Intelligent Equipment Co Ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-06-22
Anticipated expiration: 2030-11-09

Abstract

The utility model relates to a detection protection device of yarn carry over pinch rolls relates to weaving technical field, including the support, rotate the roll body that sets up on the support, it is provided with the test bar still to rotate on the support, the axis of rotation of test bar is along its length direction, the axis of rotation of test bar is parallel with the axis of roll body, the test bar is close to the roll body, the outer wall of test bar is fixed with a plurality of plectrums along circumference, the plectrum deviates from the tip of test bar near the roll body outer wall, the test bar tip is equipped with the test piece, the axis of rotation of test piece skew test bar, be equipped with the sensor on the support, the sensor can detect the test piece and pass through when the test bar rotates. The length of the shifting piece extends along the length direction of the detection rod, and the length of the shifting piece is the same as that of the roller body. The device enables the yarn traction roller to have the function of detecting yarn caking, and the detection accuracy is high; after the installation angle of the bracket is changed, the device can still be used.

Description

Detection protection device of yarn traction roller

Technical Field

The application relates to the technical field of spinning, in particular to a detection protection device for a yarn traction roller.

Background

In textile, various types of textile machines use yarn pulling rollers for changing the direction of delivery of the yarn and for tensioning the yarn.

Referring to fig. 1, the yarn traction roller in the related art includes a support 1, and a plurality of roller bodies 2 rotatably disposed on the support 1. When the traction roller is used, personnel can wind the yarns around the required roller body 1 according to requirements, so that the conveying direction of the yarns can be changed.

In view of the above related technologies, the inventor believes that the yarns may have fuzzing phenomenon due to shaking, twisting, static electricity, excessive tension and other reasons during the transmission process, and when the fuzzing is excessive and is gathered at one place, the fuzzing forms lumps on the outer wall of the yarns, and the lumps may affect the normal use of the yarns, possibly damage subsequent equipment, and need to be avoided. The current yarn traction roller lacks the detection and protection function for yarn caking.

SUMMERY OF THE UTILITY MODEL

In order to make the yarn carry over pinch rolls possess the function that the yarn caking detected, this application provides a detection protection device of yarn carry over pinch rolls.

The application provides a detection protection device of yarn carry over pinch rolls adopts following technical scheme:

the utility model provides a detection protection device of yarn carry over pinch rolls, includes the support, rotates the roll body that sets up on the support, it is provided with the detection pole to still rotate on the support, its length direction is followed to the axis of rotation of detection pole, the axis of rotation of detection pole is parallel with the axis of roll body, the detection pole is close to the roll body, the outer wall of detection pole is fixed with a plurality of plectrums along circumference, the plectrum deviates from the tip of detection pole near the roll body outer wall, the detection pole tip is equipped with the detection piece, the axis of rotation of the skew detection pole of detection piece, be equipped with the sensor on the support, the sensor can detect the detection piece and pass through when the detection pole rotates.

Through adopting above-mentioned technical scheme, if the yarn does not have the caking outward, then the yarn can pass through smoothly between plectrum, the roll body, and the measuring lever can not rotate. If the yarn has the caking, then the caking can't directly pass through the clearance of plectrum, roll body, drives plectrum, detection lever rotation when the caking passes through, detects the piece and also produces the rotation after the detection lever rotates, and the sensor detects that the detection piece passes through, and sensor output signal to control system, and then control draw gear stop work, or control the alarm and report to the police. This device makes the yarn carry over pinch rolls have the function that the yarn caking detected.

Optionally, the length of the poking sheet extends along the length direction of the detection rod, and the length of the poking sheet is the same as that of the roller body.

Through adopting above-mentioned technical scheme, when the yarn passed through at roll body length direction's optional position, the bonding homoenergetic on the yarn drove the plectrum and rotates, and this protection device does not have the dead angle to the detection of yarn caking.

Optionally, the detection sheet is a metal sheet, and the sensor is a hall sensor.

By adopting the technical scheme, after the detection piece made of the metal material passes through the detection end of the Hall sensor, the sensor can output signal changes. Because the Hall sensor reacts to the metal, the sensor can be prevented from generating signal change when the Hall sensor is covered by cloth and hands, and the detection accuracy is improved.

Optionally, the detection piece is fixed with a mounting block, a fixing bolt penetrates through the mounting block, a first threaded hole for the fixing bolt to be in threaded connection is formed in the end portion of the detection rod, and the central line of the first threaded hole coincides with the rotation axis of the detection rod.

Through adopting above-mentioned technical scheme, the sensor can not detect the detection piece under normal conditions, and personnel can rotate the installation piece after unscrewing fixing bolt to adjust the initial position of detecting the piece for the sensor, make the device accomplish the preparation before detecting.

Optionally, the number of the detection pieces is two along the circumferential direction of the rotating shaft of the detection rod, and the two detection pieces are symmetrical with respect to the circumferential center of the rotating shaft of the detection rod.

Through adopting above-mentioned technical scheme, through setting up two detection pieces, in the within range of the detection pole rotation half cycle, the signal of sensor output must produce the change, ensures the accuracy that detects.

Optionally, the detection rod rotates and is provided with an eccentric wheel, the eccentric wheel and the detection rod are rotatably connected through penetrating an adjusting bolt, a second threaded hole for the adjusting bolt to be in threaded connection is formed in the end portion of the detection rod, and the central line of the second threaded hole coincides with the rotating axis of the detection rod.

Through adopting above-mentioned technical scheme, if the mounted position of support is inclined to the horizontal plane, personnel can unscrew adjusting bolt, rotate the eccentric wheel for the measuring rod tip, the holistic focus of measuring rod changes after the eccentric wheel rotates, and personnel make one of them plectrum be located natural state through this mode, and the distance between this plectrum tip and roll body outer wall is the shortest, and this distance just can supply single yarn to pass through, screws up adjusting bolt after the regulation is accomplished.

Optionally, the eccentric wheel is made of a ferromagnetic material, and a magnet is fixed to the end of the detection rod and contacts with the eccentric wheel.

Through adopting above-mentioned technical scheme, after unscrewing adjusting bolt, through the magnetic force looks attraction effect of magnet, eccentric wheel, the eccentric wheel can not be with the spontaneous separation of test bar tip, for after the test bar rotates the eccentric wheel, the angle of eccentric wheel and test bar can not change voluntarily, makes things convenient for personnel to adjust the angle of eccentric wheel.

Optionally, the adjusting bolt is a butterfly bolt.

Through adopting above-mentioned technical scheme, the butterfly bolt makes things convenient for personnel to directly twist with the hand and moves.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the device enables the yarn traction roller to have the function of yarn caking detection;

2. after the mounting angle of the bracket is changed, the device can still be used;

3. the detection accuracy is high.

Drawings

Fig. 1 is a schematic view of a yarn pulling roll in the related art.

Fig. 2 is a perspective view of the inspection protector of the yarn pulling roll of the embodiment.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is a partial exploded view of the embodiment, mainly highlighting the two-end structure of the test rod.

Description of reference numerals: 1. a support; 2. a roller body; 3. a detection lever; 31. a shifting sheet; 11. perforating; 4. mounting blocks; 41. fixing the bolt; 32. a first threaded hole; 42. detecting a sheet; 12. a sensor; 5. an eccentric wheel; 51. adjusting the bolt; 33. a second threaded hole; 34. and a magnet.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses detection protection device of yarn carry over pinch rolls. Referring to fig. 2, the detection protection device of the yarn carry over pinch rolls comprises a support 1 and a plurality of roll bodies 2 which are rotatably arranged on the support 1, wherein the roll bodies 2 are parallel to each other, and the side walls of the roll bodies 2 are used for abutting against yarns. A detection rod 3 is arranged beside a roller body 2, the detection rod 3 is rotatably connected with a support 1 through two ends, the detection rod 3 is a round rod, the rotation axis of the detection rod 3 is parallel to the axis of the roller body 2 along the length direction of the detection rod and along the central axis of the detection rod, and the detection rod 3 is close to the roller body 2.

Referring to fig. 2 and 3, a plurality of shifting pieces 31 are fixed on the outer wall of the detection rod 3 along the circumferential direction, the shifting pieces 31 are uniformly distributed along the circumferential direction of the detection rod 3, the piece surface of each shifting piece 31 extends outwards along the radial direction of the detection rod 3, the length of each shifting piece 31 extends along the length direction of the detection rod 3, and the length of each shifting piece 31 is the same as that of the roller body 2. The end part of the poking piece 31 departing from the detection rod 3 is abutted against the outer wall of the roller body 2, and when the detection rod 3 rotates around the axis of the detection rod, the outer end of each poking piece 31 firstly approaches the roller body 2 and then moves away from the roller body 2; when the end of the poking piece 31 is opposite to the center of the roller body 2, the distance between the end of the poking piece 31 and the outer wall of the roller body 2 is the shortest, and the distance can just allow a single yarn to pass through.

Referring to fig. 2 and 4, the bracket 1 is provided with a through hole 11 for the end of the detection rod 3 to pass through, and the bracket 1 is rotatably connected with the detection rod 3 through the through hole 11. One end of the detection rod 3 is provided with a cylindrical mounting block 4, and the mounting block 4 can be assembled with and disassembled from the detection rod 3. Fixing bolt 41 is arranged in the center of mounting block 4 in a penetrating mode, a first threaded hole 32 for fixing bolt 41 to be in threaded connection is formed in the center of the end portion of detection rod 3, fixing bolt 41 is screwed in first threaded hole 32, mounting block 4 abuts against the end portion of detection rod 3, and fixing is formed between mounting block 4 and detection rod 3. The mounting block 4 is integrally fixed with two detection sheets 42, the positions of the detection sheets 42 deviate from the rotation axis of the detection rod 3, the two detection sheets 42 are arranged along the circumferential direction of the rotation shaft of the detection rod 3, and the two detection sheets 42 are centrosymmetric about the rotation shaft of the detection rod 3. The center of gravity of the mounting block 4 and the detection piece 42 is on the rotation axis of the detection lever 3.

A sensor 12 is fixed on the bracket 1 beside the mounting block 4, the detection end of the sensor 12 is close to the detection sheet 42, and the sensor 12 is electrically connected with a control system. When the detecting piece 42 rotates along with the detecting rod 3, the detecting piece 42 can rotate to switch the state of facing the detecting end of the sensor 12 and being far away from the detecting end of the sensor 12. The sensing piece 42 of the present embodiment is a metal piece, the sensor 12 is a hall sensor, and in another embodiment, the sensor 12 may also be a proximity switch. When the detection piece 42 does not shield the detection end of the sensor 12, the sensor 12 does not output a signal; when the sensing tab 42 is facing the sensing end of the sensor 12, the sensor 12 generates a signal. By providing two detection pieces 42, the signal output from the sensor 12 is inevitably changed within a half rotation of the detection lever 3.

Referring to fig. 4, an eccentric wheel 5 is arranged at the end part of the detection rod 3 departing from the detection sheet 42, a rotary connection is established between the eccentric wheel 5 and the detection rod 3 by penetrating an adjusting bolt 51, the position of the adjusting bolt 51 penetrating through the eccentric wheel 5 deviates from the gravity center of the eccentric wheel 5, a second threaded hole 33 for the threaded connection of the adjusting bolt 51 is arranged at the end part of the detection rod 3, and the central line of the second threaded hole 33 is coincident with the rotary axis of the detection rod 3. The eccentric wheel 5 is made of ferromagnetic material, such as iron, and a magnet 34 is fixed at the end of the detection rod 3 facing the eccentric wheel 5, the magnet 34 is annular, and the magnet 34 surrounds the second threaded hole 33. By screwing the adjusting bolt 51 to the second threaded hole 33, the eccentric wheel 5 abuts against the magnet 34, and the eccentric wheel 5 and the detection rod 3 are fixed; after the adjusting bolt 51 is unscrewed, the magnet 34 and the magnetic force of the eccentric wheel 5 attract each other, so that the eccentric wheel 5 cannot be separated from the end part of the detection rod 3 spontaneously, and after the eccentric wheel 5 is rotated relative to the detection rod 3, the angle between the eccentric wheel 5 and the detection rod 3 cannot be changed spontaneously. The adjusting bolt 51 is a butterfly bolt, and is convenient for a person to directly screw by hand.

The detection protection device of the yarn traction roller of the embodiment of the application has the following implementation principle: after the support 1 is installed on the equipment, the angle of the support 1 relative to the horizontal plane may incline according to different installation positions, at the moment, a person can unscrew the adjusting bolt 51, the eccentric wheel 5 rotates relative to the end part of the detection rod 3, the gravity center of the whole detection rod 3 changes after the eccentric wheel 5 rotates, and when the person enables one of the plectrums 31 to be located in a natural state through the mode, the distance between the end part of the plectrum 31 and the outer wall of the roller body 2 is the shortest, and the distance can be just used for a single yarn to pass through. The adjusting bolt 51 is tightened after the adjustment is completed.

Then, whether the sensor 12 is shielded by the detection piece 42 is checked, and if the sensor 12 is shielded by the detection piece 42, the fixing bolt 41 is loosened, the mounting block 4 is rotated so that the detection end of the sensor 12 is not shielded by the detection piece 42, and then the fixing bolt 41 is tightened. The center of gravity of the detection lever 3 is not changed by rotating the mounting block 4 and fixing the bolt 41.

When this device specifically uses, the yarn passes between plectrum 31, the roll body 2, and the yarn is drawn by external draw gear and is continuously removed along its length direction, if the yarn does not have the caking outward, then the yarn can pass through between plectrum 31, the roll body 2 smoothly, and the measuring arm 3 can not rotate. If the yarns have the caking, the caking can not directly pass through the gap between the poking piece 31 and the roller body 2, the poking piece 31 and the detection rod 3 are driven to rotate when the caking passes through, the detection rod 3 rotates and then continuously rotates due to inertia, the sensor 12 detects that the detection piece 42 passes through, and the sensor 12 outputs a signal to a control system so as to control the traction device to stop working or control the alarm to give an alarm.

To sum up, this device makes the yarn carry over pinch rolls have the function that the yarn caking detected, provides protection and alarming function for equipment through output signal's mode, can promote the reliability of equipment operation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a detection protection device of yarn carry over pinch rolls, includes support (1), rotates roll body (2) that set up on support (1), its characterized in that: still rotate on support (1) and be provided with detection pole (3), the axis of rotation of detection pole (3) is along its length direction, the axis of rotation of detection pole (3) is parallel with the axis of roll body (2), detection pole (3) are close to roll body (2), the outer wall of detection pole (3) is fixed with a plurality of plectrums (31) along circumference, the tip that plectrum (31) deviate from detection pole (3) is near roll body (2) outer wall, detection pole (3) tip is equipped with detects piece (42), detect the axis of rotation that piece (42) deviate from detection pole (3), be equipped with sensor (12) on support (1), sensor (12) can detect when detecting pole (3) and detect detection piece (42) and pass through.

2. The inspection and protection device of a yarn pulling roll according to claim 1, characterized in that: the length of the poking piece (31) extends along the length direction of the detection rod (3), and the length of the poking piece (31) is the same as that of the roller body (2).

3. The inspection and protection device of a yarn pulling roll according to claim 1, characterized in that: the detection sheet (42) is a metal sheet, and the sensor (12) is a Hall sensor.

4. The inspection and protection device of a yarn pulling roll according to claim 1, characterized in that: the detection piece (42) is fixed with an installation block (4), a fixing bolt (41) penetrates through the installation block (4), a first threaded hole (32) for the fixing bolt (41) to be in threaded connection is formed in the end portion of the detection rod (3), and the center line of the first threaded hole (32) coincides with the rotation axis of the detection rod (3).

5. The inspection and protection device of a yarn pulling roll according to claim 1, characterized in that: the detection piece (42) is provided with two along the rotating shaft circumference of the detection rod (3), and the two detection pieces (42) are symmetrical with respect to the rotating shaft circumference center of the detection rod (3).

6. The inspection and protection device of a yarn pulling roll according to claim 1, characterized in that: the detection rod (3) rotates and is provided with eccentric wheel (5), establish through wearing to establish adjusting bolt (51) between eccentric wheel (5), detection rod (3) and rotate and connect, detection rod (3) tip is equipped with two (33) of screw hole that supply adjusting bolt (51) threaded connection, the central line of two (33) of screw hole coincides with the axis of rotation of detection rod (3).

7. The yarn pull roll inspection and protection device of claim 6, wherein: the eccentric wheel (5) is made of ferromagnetic materials, a magnet (34) is fixed at the end part of the detection rod (3), and the magnet (34) is in contact with the eccentric wheel (5).

8. The yarn pull roll inspection and protection device of claim 6, wherein: the adjusting bolt (51) is a butterfly bolt.