CN216663384U

CN216663384U - Broken weft detecting and removing device for loom

Info

Publication number: CN216663384U
Application number: CN202123443868.3U
Authority: CN
Inventors: 庄振旺
Original assignee: Qingdao Rifengjin Machinery Manufacturing Co ltd
Current assignee: Qingdao Rifengjin Machinery Manufacturing Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-03
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a broken weft detecting and removing device for a loom, which comprises a base, two groove blocks and two supporting plates, wherein a squeezing roller is fixedly connected between the two supporting plates, the surface of each supporting plate is slidably connected with a limiting block, one end of each limiting block is provided with a threaded column, the surface of each threaded column is in threaded connection with a nut, the surface of each limiting block is provided with a limiting hole for weft yarn to pass through, the upper surface of each supporting plate is fixedly connected with an installation plate, and the surface of each installation plate is respectively provided with a photoelectric sensor, a reflective mirror and a sleeve. This broken weft detects clearing device for loom, through setting up photoelectric sensor, reflector, adjusting spring, detection piece, sliding block and contact switch, the region between photoelectric sensor and the reflector is the danger area, when the woof breaks off, because the restriction that detects the piece and loses the woof, adjusting spring can drive and detect the piece rebound, in case detect the piece and get into danger area light path and will be sheltered from, photoelectric sensor can cut off the power at once.

Description

Broken weft detecting and removing device for loom

Technical Field

The utility model relates to the technical field of broken weft detection, in particular to a broken weft detection and removal device for a loom.

Background

The air jet loom is a shuttleless loom which adopts jet airflow to pull weft yarns to pass through a shed, has higher automation degree, simple mechanical structure, convenient maintenance and high production quality, but has large power consumption, difficult control of the tension of the weft yarns and frequent weft breakage.

The existing broken weft detection device is provided with a return spring, a detection roller and a pressure sensor, when the broken weft detection device is used, weft yarns are pressed on the detection roller, the detection roller and the pressure sensor are connected, the pressure sensor displays a certain numerical value, when the weft yarns are broken, the numerical value of the pressure sensor can be changed, a worker judges whether the weft yarns are broken through the change of the numerical value, but only through observing the change of the numerical value, the worker cannot obviously find whether the weft yarns are broken, the existing detection device cannot cut off a power supply at the first moment of breakage of the weft yarns, the damage can be caused to a loom, and therefore the broken weft detection clearing device for the loom is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a broken weft detecting and clearing device for a weaving machine, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a loom detects clearing device with disconnected latitude, including base, groove piece and backup pad, the quantity of backup pad is two, fixedly connected with squeeze roll between two backup pads, the surperficial sliding connection of backup pad has the restriction piece, the one end of restriction piece is provided with the screw thread post, the surperficial threaded connection of screw thread post has the nut, the restriction hole that supplies the woof to pass through is seted up on the surface of restriction piece, the last fixed surface of backup pad is connected with the mounting panel, the surface of mounting panel is provided with photoelectric sensor respectively, reflector and sleeve, telescopic inner wall sliding connection has the sliding block, the fixed surface of sliding block is connected with compression spring, telescopic inner wall fixedly connected with contact switch.

Preferably, the upper surface of base fixedly connected with fixed block, the slot has been seted up on the surface of fixed block, and the inner wall fixedly connected with regulating spring of slot, regulating spring's upper end fixedly connected with detects the piece.

Preferably, the surface of the base is in threaded connection with a locking bolt.

Preferably, a bobbin is inserted into the inner wall of the groove block, and weft yarns are wound on the surface of the bobbin.

Preferably, the number of the pressing rollers is two, and the material of the pressing rollers is stainless steel.

Preferably, a warning light is fixedly connected to the surface of the sleeve.

Advantageous effects

The utility model provides a broken weft detecting and removing device for a loom, which has the following beneficial effects:

1. this broken weft detects clearing device for loom, through setting up photoelectric sensor, the reflector, regulating spring, detect the piece, sliding block and contact switch, the region between photoelectric sensor and the reflector is the danger area, when the woof breaks off, because detect the piece and lose the restriction of woof, regulating spring can drive and detect the piece rebound, in case it will be sheltered from to detect the piece and get into danger area light path, photoelectric sensor can cut off the power at once, avoid causing the damage to the machine, and can collide contact switch when detecting the piece rebound, contact switch starts the warning light, make the warning light sound, can remind the staff in time to handle cracked woof.

2. This disconnected latitude detects clearing device for loom, through setting up restriction piece, screw post, nut and restriction hole, during the use, changes the height of restriction piece through reciprocating the cylinder, makes the staff can adjust the tensioning degree of woof according to the production demand, and the commodity yields of avoiding final production is low excessively, can improve the practicality of device.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2.

In the figure: the device comprises a base 1, a groove block 2, a support plate 3, a squeezing roller 4, a limiting block 5, a mounting plate 6, a photoelectric sensor 7, a reflector 8, a sleeve 9, a sliding block 10, a compression spring 11, a contact switch 12, a fixed block 13, an adjusting spring 14, a detection block 15, a winding reel 16 and an alarm lamp 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a loom detects clearing device with disconnected latitude, the on-line screen storage device comprises a base 1, recess piece 2 and backup pad 3, base 1's last fixed surface is connected with fixed block 13, the slot has been seted up on the surface of fixed block 13, the inner wall fixedly connected with adjusting spring 14 of slot, adjusting spring 14's upper end fixedly connected with detects piece 15, base 1's surperficial threaded connection has locking bolt, recess piece 2's inner wall is inserted and is equipped with bobbin 16, bobbin 16's surface is around being equipped with the woof, the quantity of backup pad 3 is two, fixedly connected with squeeze roll 4 between two backup pads 3, the quantity of squeeze roll 4 is two, the material of squeeze roll 4 is the stainless steel, backup pad 3's surperficial sliding connection has restriction piece 5, the one end of restriction piece 5 is provided with the screw thread post, the surperficial threaded connection of screw post has the nut, the restriction hole that supplies the woof to pass through is seted up on restriction piece 5's surface.

Through setting up restriction piece 5, the screw thread post, nut and restriction hole, during the use, change restriction piece 5's height through reciprocating the cylinder, make the staff adjust the tensioning degree of woof according to the production demand, the commodity yields of avoiding final production is low excessively, can improve device's practicality, the last fixed surface of backup pad 3 is connected with mounting panel 6, mounting panel 6's surface is provided with photoelectric sensor 7 respectively, reflector 8 and sleeve 9, sleeve 9's fixed surface is connected with warning light 17, sleeve 9's inner wall sliding connection has sliding block 10, sliding block 10's fixed surface is connected with compression spring 11, sleeve 9's inner wall fixedly connected with contact switch 12.

Through setting up photoelectric sensor 7, the reflector 8, regulating spring 14, detect piece 15, sliding block 10 and contact switch 12, the region between photoelectric sensor 7 and the reflector 8 is the danger area, when the woof breaks, because detect the restriction that piece 15 loses the woof, regulating spring 14 can drive and detect piece 15 rebound, in case detect piece 15 gets into danger area light path and will be sheltered from, photoelectric sensor 7 can cut off the power at once, avoid causing the damage to the machine, and can collide contact switch 12 when detecting piece 15 rebound, contact switch 12 starts warning light 17, make warning light 17 sound, can remind the staff in time to handle cracked woof.

The working principle is as follows: before the broken weft detecting and removing device for the loom is used, a base 1 is fixed on an air jet loom through a locking bolt, a bobbin 16 is inserted into a groove block 2, weft yarns on the bobbin 16 sequentially pass through a limiting hole on a limiting block 5, a squeezing roller 4 and a detecting block 15, finally the weft yarns are fixed on the air jet loom, the area between a photoelectric sensor 7 and a reflector 8 is a dangerous area, when the weft yarns are broken, the detecting block 15 loses the limitation of the weft yarns, an adjusting spring 14 can drive the detecting block 15 to move upwards, once the detecting block 15 enters the dangerous area, a light path is shielded, the photoelectric sensor 7 can immediately cut off a power supply to avoid damaging the machine, the detecting block 15 collides with a contact switch 12 when moving upwards, the contact switch 12 starts an alarm lamp 17, the alarm lamp 17 makes a sound to remind workers of processing the broken weft yarns in time, the yield of the loom can be improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a broken weft detects clearing device for loom, includes base (1), recess piece (2) and backup pad (3), its characterized in that: the quantity of backup pad (3) is two, fixedly connected with squeeze roll (4) between two backup pad (3), the surperficial sliding connection of backup pad (3) has restriction piece (5), the one end of restriction piece (5) is provided with the screw thread post, the surperficial threaded connection of screw thread post has the nut, the restriction hole that supplies the woof to pass through is seted up on the surface of restriction piece (5), the last fixed surface of backup pad (3) is connected with mounting panel (6), the surface of mounting panel (6) is provided with photoelectric sensor (7) respectively, reflector (8) and sleeve (9), the inner wall sliding connection of sleeve (9) has sliding block (10), the fixed surface of sliding block (10) is connected with compression spring (11), the inner wall fixedly connected with contact switch (12) of sleeve (9).

2. The weft breakage detecting and removing device for a loom according to claim 1, characterized in that: the upper surface fixed connection of base (1) has fixed block (13), and the slot has been seted up on the surface of fixed block (13), and the inner wall fixedly connected with regulating spring (14) of slot, the upper end fixedly connected with of regulating spring (14) detect piece (15).

3. The weft breakage detecting and removing device for a loom according to claim 1, characterized in that: the surface of the base (1) is in threaded connection with a locking bolt.

4. The weft breakage detecting and removing device for a loom according to claim 1, characterized in that: a bobbin (16) is inserted into the inner wall of the groove block (2), and weft yarns are wound on the surface of the bobbin (16).

5. The weft breakage detecting and removing device for a loom according to claim 1, characterized in that: the number of the squeezing rollers (4) is two, and the squeezing rollers (4) are made of stainless steel.

6. The weft breakage detecting and removing device for a loom according to claim 1, characterized in that: and an alarm lamp (17) is fixedly connected to the surface of the sleeve (9).