CN1189612C

CN1189612C - Weft stop motion

Info

Publication number: CN1189612C
Application number: CNB02115273XA
Authority: CN
Inventors: 丁开政; 叶炜
Original assignee: Guangdong Esquel Textiles Co Ltd
Current assignee: Guangdong Esquel Textiles Co Ltd
Priority date: 2002-05-24
Filing date: 2002-05-24
Publication date: 2005-02-16
Anticipated expiration: 2022-05-24
Also published as: CN1396326A

Abstract

The present invention provides an automatic stopping device in weft yarn breakage, which is used for a textile machine. The present invention is characterized in that a hollow supporting post of which the inner part is provided with a main controlling signal wire is arranged on a loom base between a weft yarn cylinder and a weft yarn storing device of a loom or the floor, wherein the supporting post is provided with one to N detecting switches of weft yarn breakage. An induction coil on the end part of a detecting rod of the detecting switch is in a concentric circle with a yarn hole tightly close to the center of a yarn guiding sheet of the supporting post. Practice proves that after the present invention is used, the loom efficiency is obviously increased, the quality is guaranteed, and the production cost is greatly reduced.

Description

Weft stop motion

Technical field

The present invention relates to a kind of device of weaving loom, particularly the Weft stop motion that in weaving of warp rib planted, uses.

Background technology

In the prior art, have warp rib to weave kind a kind of directly all be to weave on dobby machine, this veriety has following shortcoming when weaving: repeat to throw several weft yarns under same open state, just have two states during scram: a kind of is that heald frame opens, and warp tension is big; Another kind is the heald frame closure, and warp tension is little.Adjust the loom technological parameter and be difficult to the weft crackiness of avoiding this two states to produce.Several free weft yarns are arranged in the latitude stopping time fell in addition, easily normal weft yarn is extracted out during operation, cause the crapand defective cloth.Through throwing Double Weft Weaving warp rib kind through using instead, with weft yarn twisted lines not, though improved loom efficiency, improved the weft crackiness defective cloth, but still had following problem: 1. doubling will increase a manufacturing procedure, increases production time and production cost by the yarn dyeing winder; 2. the single thread phenomenon appears on the folding bobbin; 3. two inconsistent kink defective cloth that cause of yarn tension on the folding bobbin; 4. defective cloth such as staplings appear on the machine side.

Summary of the invention

Purpose of the present invention is intended to overcome the deficiencies in the prior art and provides a kind of to be made warp rib's kind directly carry out doubling on loom to weave, significantly improve loom efficiency, the Weft stop motion of ensuring the quality of products and reducing production costs.

The object of the present invention is achieved like this: a kind of Weft stop motion, the Hollow Pillar 1 of walking the master signal line in it is characterized in that is placed on the weft yarn tube of loom and the support between the weft-accumulator or on the floor, 1-N staplings sense switch 2 is set on the pillar 1, sense switch 2 the induction coil 4 of feeler 3 ends are concentric circles with yarn hole 6 near guide sheet 5 central authorities of pillar 1.

---described staplings sense switch can adopt contact switch or photoelectron inductive switch, and its feeler can swing up and down.

---described N is natural positive integer.

Hundred yards branches of the weft crackiness of the present invention through facts have proved warp rib's FIGURED CLOTH have obtained effective control, hundred yards branches of weft crackiness are reduced to 3.5 minutes/hundred yards by 11.3 minutes/hundred yards that begin, loom efficiency is brought up to about 90% by original 60-70%, have through the kind of heavy plain weave tissue all very high through filling density, after changing doubling and weaving, the number of times that beats up reduces to 2 times by original 4 times, and weft density reduces half, and output increases by 1 times.

Description of drawings

Fig. 1 is the utility model structural representation.

Fig. 2 is the enlarged drawing of the utility model staplings sense switch.

Fig. 3 is the utility model circuit interconnect pattern.

Fig. 4 is the electric control theory block diagram.

In Fig. 1-Fig. 2,1 is Hollow Pillar, and 2 is the staplings sense switch, and 3 is feeler, and 4 is the feeler induction coil, and 5 is the guide sheet, and 6 is the yarn hole, and 7 for removing the holding wire of main control.

The specific embodiment

Weft stop motion is a kind of when the doubling of N root weft yarn becomes one or several weft yarn to weave on loom, and if any a weft yarn broken yarn, this device promptly detects the broken yarn signal, and sends the broken yarn signal to loom, makes caused by loom stop; This device also can be applied to weave the kind of weaving that weft yarn can not have tieing by detecting the wall scroll weft yarn, when weft yarn breaks or weft yarn tube when using up, this device sends to loom with filling broken signal, makes caused by loom stop, start again after the weft yarn of knotting part is disposed.

The latitude automatic stop arrangement that continues on every loom can be installed a plurality of staplings sense switches, when the staplings sense switch that do not need to use, can be placed on idle shelves, and can not influence the detection of other staplings switches.The staplings sense switch can adopt the contact switch, the yarn inductive switch of photoelectron inductive switch or other type, when any one staplings sense switch detects the weft yarn filling broken signal, detection is sent to the master controller of loom for main number, master controller is handled the back to signal and is sent parking order to the I/O of loom port, pass through contactor, relay, transistor, executive components such as display screen control loom motor, clutch makes caused by loom stop, and the demonstration parking information, rotary encoder detects the parking spot status signal of loom and the I/O port by loom and feeds back to master controller and confirm.

So that 8 staplings sense switches to be set is example:

1, material: diameter phi is that 15mm, length are 1 meter one in hollow iron pipe; 8 of guide sheets (diameter phi be 80mm, thick be 1.2 round iron sheet, the center is opened the circular hole of a M6 and is stained with a porcelain eye as thread guide eyelet), the stand-by screw of circular hole of also opening a M6 on the limit of guide sheet is fixed on the iron plate; 8 of yarn sense switches (adopt contact yarn sense switch herein, the fixing hole that a M4 is arranged), the fixing hole of corresponding yarn sense switch is opened the hole of a M4 on the guide sheet, screw and nut with a M4 is fixed on the yarn sense switch on the guide sheet, attention will make the induction coil of sense switch feeler align with thread guide eyelet on the guide sheet, overlaps from the horizontal line center of circle; 1mm ²Soft copper heart yearn black, each 5m of white; Long for 60mm, wide be 8 of the iron plate bars of 20mm, the thick 1.2mm of being.

2, the fixing hole of the two ends corresponding lead sheet of 2 iron plates is respectively bored the screw of Kong Bingyong two cover M6 of two M6 and nut 2 yarn sense switches of 2 guide sheets is clipped in the both sides of hollow iron pipe respectively, from top to bottom according to said method with 8 guide sheets and 8 yarn sense switches totally 4 groups of both sides that clip respectively at hollow iron pipe.

3, bore the hole of a M6 at the iron pipe place of each yarn sense switch that fixes, black, two soft copper heart yearns of white are penetrated iron pipe and from the hole, wear out, the yarn sense switch is together in parallel with two flexible cords according to circuit interconnect pattern, the mouth of pipe from the iron pipe lower end extracts again, inserts the master controller of loom as holding wire.

4, ready-made weft protector is fixed on promptly accuse on the weft yarn tube of loom and the brandreth between the weft accumulator (this brandreth can be drawn materials because of ground and also can be made a brandreth by oneself and fix) and finishes.

The staplings sense switch need be strengthened the cleaning maintenance under the more environment of flyings, to note the cleaning of contact and carry out the isolated encapsulation process of flyings for the contact switch, to note cleaned at regular intervals detection electric eye and carry out flyings completely cutting off for the photoelectron inductive switch, preferably adopt the switch of isolated sealing, in order to avoid, cause faults such as crapand owing to the adhesion of flyings influences the sensitivity of Weft stop motion.

Claims

1, a kind of Weft stop motion, the Hollow Pillar (1) of walking the master signal line in it is characterized in that is placed on the weft yarn tube of loom and the support between the weft-accumulator or on the floor, 1-N staplings sense switch (2) is set on the pillar (1), and the induction coil (4) of feeler (3) end of sense switch (2) is a concentric circles with yarn hole (6) near the guide sheet (5) of pillar (1) central authorities.

2, Weft stop motion according to claim 1 is characterized in that the staplings sense switch can adopt contact switch or photoelectron inductive switch, and its feeler can swing up and down.

3, Weft stop motion according to claim 1 is characterized in that N is natural positive integer.