A kind of sword head assembly that is applicable to flexible rapier loom
Technical field
The present invention relates to field of textile machinery, particularly a kind of sword head assembly that is applicable to flexible rapier loom.
Background technology
The weft yarn handing-over of flexible rapier loom is to lean on the sword head to send completion; Yet flexible rapier loom of the prior art often only adopts a wefting insertion sword head to realize the handing-over of weft yarn, and this mode production efficiency is low.
Summary of the invention
The purpose of this invention is to provide a kind of sword head assembly that is applicable to flexible rapier loom, this kind sword head assembly can effectively improve the production efficiency of flexible rapier loom.
Above-mentioned technical purpose of the present invention is achieved through following technical scheme: a kind of sword head assembly that is applicable to flexible rapier loom, it comprises weft-sending sword head and the weft-recepting sword head that sets up the flexible rapier loom both sides separately.
During wefting insertion; The weft yarn of weft-sending sword head clamping unwinding from the weft yarn bobbin from a lateral movement of flexible rapier loom to the middle part; And with weft yarn join to move to simultaneously from the flexible rapier loom opposite side middle part weft-recepting sword head; Return back to the section start of weft-recepting sword head again from the middle part of flexible rapier loom by the weft-recepting sword head clipped weft yarn, to accomplish wefting insertion one time; Obviously this kind filling insertion way is greatly enhanced production efficiency than background technology.
As of the present invention preferred, said weft-sending sword head comprise first time part, with first time part hinged first on the part and first elastic component; First lateral plate that first time part comprises first egative film and set up the first egative film both sides separately and all be fixedly connected with first egative film; On first part comprise first intermediate plate hinged with first lateral plate, be fixedly connected with first intermediate plate upper end and with orthogonal first compressing tablet of first intermediate plate; First elastic component is positioned at first compressing tablet afterbody below and is fixed on first egative film.
Form the first folder mouth of clipped weft yarn between the head of the head of first intermediate plate and first egative film; The middle part of flexible rapier loom is provided with three arcuation smooth bumps, and wherein two act on weft-sending sword head respectively, and another acts on weft-recepting sword head; When weft-sending sword head clips weft yarn from a lateral movement to the middle part of flexible rapier loom; One of them convexity produces a downward pressure to the afterbody of first compressing tablet, thereby the head of first intermediate plate is upwards lifted, and promptly the first folder mouth opens; Thereby be convenient to weft-recepting sword head and get weft yarn; Avoid weft-sending sword head and weft-recepting sword head when the handing-over weft yarn, weft-sending sword head produces weft yarn and pulls power, and pulls apart weft yarn; After the weft yarn handing-over finished, the weft-sending sword head homing was to treat wefting insertion next time; When first compressing tablet leaves this convexity,, and make first folder mouthful closed then because the effect of first elastic component.
As of the present invention preferred, said weft-sending sword head also comprises the yarn introduction member and second elastic component; Yarn introduction member comprises the guide sheet hinged with first lateral plate, be fixedly connected with guide sheet upper end and with orthogonal second compressing tablet of guide sheet; Second elastic component is positioned at second compressing tablet afterbody below and is fixed on first egative film; The lower head of guide sheet has groove.
Weft-sending sword head send in the process of weft yarn, and weft yarn one end is sandwiched in the first folder mouth, and falls within the groove of guide sheet head near a position at this end place of weft yarn, thereby, be convenient to weft-recepting sword head to get weft yarn; When weft-sending sword head moved to the flexible rapier loom middle part, a convexity produced a downward pressure to the afterbody of second compressing tablet, thereby the head of guide sheet upwards lifts, thereby, be convenient to weft yarn and from groove, deviate from; When second compressing tablet leaves this convexity,, and make the head return of guide sheet then because the effect of second elastic component.
As of the present invention preferred, the oblique guide sheet of the opening of said groove head end.
Slot opening towards setting, then further make weft yarn more be prone to break away from groove in when handing-over.
As of the present invention preferred, said weft-recepting sword head comprise second time part, with second time part hinged second on part, the 3rd elastic component; Second time part comprises second egative film and second lateral plate that all is fixedly connected with the second egative film both sides; Part comprises second intermediate plate hinged with second lateral plate, is fixedly connected and orthogonal the 3rd compressing tablet with second intermediate plate upper end on second; The 3rd elastic component is positioned at the 3rd compressing tablet afterbody below and is fixed on second egative film.
The head of the head of second intermediate plate and second egative film forms the second folder mouth of a clipped weft yarn; When weft-recepting sword head moved to the flexible rapier loom middle part, a convexity produced a downward pressure to the afterbody of the 3rd compressing tablet, thereby the head of second intermediate plate is upwards lifted, and got in the second folder mouth thereby be convenient to weft yarn; When the weft-recepting sword head homing, the afterbody of the 3rd compressing tablet leaves this convexity, owing to the effect of the 3rd elastic component makes second folder mouthful closed, thereby clamps weft yarn.
As of the present invention preferred, be provided with limited block in said second intermediate plate and two second lateral plates and between one second lateral plate of the second intermediate plate apart from each other.
The setting of limited block is to rock in order to prevent that second intermediate plate from producing in moving process and in the reciprocating motion fast, and influences the wefting insertion action; Aforesaid second elastic component also has and prevents that first intermediate plate from producing the effect rock in moving process and in the reciprocating motion fast.
As of the present invention preferred, said weft-sending sword head comprise first time part, with first time part hinged first on part, first elastic component, yarn introduction member and second elastic component; First lateral plate that first time part comprises first egative film and set up the first egative film both sides separately and all be fixedly connected with first egative film; On first part comprise first intermediate plate hinged with first lateral plate, be fixedly connected with first intermediate plate upper end and with orthogonal first compressing tablet of first intermediate plate; First elastic component is positioned at first compressing tablet afterbody below and is fixed on first egative film; Yarn introduction member comprises the guide sheet hinged with first lateral plate, be fixedly connected with guide sheet upper end and with orthogonal second compressing tablet of guide sheet; Second elastic component is positioned at second compressing tablet afterbody below and is fixed on first egative film; The lower head of guide sheet has the groove of the oblique guide sheet of opening head end; The lower end surface of the first intermediate plate head end end face and first intermediate plate forms the obtuse angle; The head end end face of guide sheet and the lower end surface of guide sheet form the obtuse angle; Said weft-recepting sword head comprise second time part, with second time part hinged second on part, the 3rd elastic component; Second time part comprises second egative film and second lateral plate that all is fixedly connected with the second egative film both sides; Part comprises second intermediate plate hinged with second lateral plate, is fixedly connected and orthogonal the 3rd compressing tablet with second intermediate plate upper end on second; The 3rd elastic component is positioned at the 3rd compressing tablet afterbody below and is fixed on second egative film; Be provided with limited block in said second intermediate plate and two second lateral plates and between one second lateral plate of the second intermediate plate apart from each other; The head end end face of second intermediate plate and the lower end surface of second intermediate plate form the obtuse angle; Beeline on first between part and the yarn introduction member is greater than the width of weft-recepting sword head head; The side of said first time part and second time part also is installed with the stator that has screw hole.
The lower end surface of the first intermediate plate head end end face and first intermediate plate forms the obtuse angle, the setting at this obtuse angle be for weft-sending sword head when getting weft yarn, make weft yarn more be prone to fall within first folder mouthful.
The head end end face of guide sheet and the lower end surface of guide sheet form the obtuse angle, and the setting at this obtuse angle is in order to make weft yarn more be prone to fall within the groove.
The head end end face of second intermediate plate and the lower end surface of second intermediate plate form the obtuse angle, and the setting at this obtuse angle is in order to make parallel more be prone to fall within the second folder mouth.
Beeline on first between part and the yarn introduction member is greater than the width of weft-recepting sword head head, and so being provided with is for when the handing-over weft yarn, and the head of weft-recepting sword head is got on first between the part and yarn introduction member; And this moment; The first folder mouth opens, and guide sheet head upwards lifts, and the second folder mouth opens; Thereby weft yarn is got in the second folder mouth, so that the second folder mouth clamps weft yarn.
In sum, the present invention has following beneficial effect:
1, the present invention has improved the production efficiency of flexible rapier loom greatly than background technology;
2, in the prior art, wefting insertion sword head and connecing between the latitude parts when the handing-over weft yarn, because wefting insertion sword head still is in the state of clipped weft yarn, therefore, during the handing-over weft yarn, weft yarn is connect the latitude parts and is pulled wefting insertion sword head firmly, thereby the staplings phenomenon often takes place; Among the present invention, weft-sending sword head and weft-recepting sword head are when the handing-over weft yarn, and the first folder mouth opens owing to flexible rapier loom epirelief role automatically; The second folder mouth also opens owing to another protruding effect on the flexible rapier loom automatically; And weft-recepting sword head gets into part and yarn introduction member on first, thereby makes weft yarn get into the second folder mouth automatically, when the 3rd compressing tablet leaves be applied to it protruding; The second folder mouth is the auto-closing owing to the effect of the 3rd elastic component then, thereby clamps weft yarn; When weft yarn was left weft-sending sword head by the weft-recepting sword head band, first pressed from both sides mouth then because first compressing tablet leaves the protruding also closure owing to the effect of first elastic component that is applied to it; Therefore, use flexible rapier loom of the present invention when the handing-over weft yarn, weft-sending sword head can unclamp weft yarn automatically; Thereby avoided weft-sending sword head and weft-recepting sword head when the handing-over weft yarn; Weft-sending sword head produces weft yarn and pulls power, and pulls apart weft yarn, has remedied the deficiency of prior art.
Description of drawings
Fig. 1 is structural representation when weft-sending sword head first folder mouth opens among the embodiment;
Fig. 2 is structural representation when weft-recepting sword head second folder mouth opens among the embodiment;
Fig. 3 is in the wefting insertion process, the view of weft-sending sword head and weft-recepting sword head before the handing-over weft yarn;
Fig. 4 is in the wefting insertion process, the view of weft-sending sword head and weft-recepting sword head during the handing-over weft yarn.
Among the figure, 1, weft-sending sword head, 11, first time part, 111, first egative film, 112, first lateral plate, part on 12, first; 121, first intermediate plate, 122, first compressing tablet, 13, first elastic component, 14, yarn introduction member, 141, the guide sheet, 1411, groove; 142, second compressing tablet, 15, second elastic component, 16, first hinge, 2, weft-recepting sword head, 21, second time part, 211, second egative film; 212, second lateral plate, part on 22, second, 221, second intermediate plate, the 222, the 3rd compressing tablet, the 23, the 3rd elastic component, 24, limited block; 25, second hinge, 3, stator, 31, screw hole, 4, first folder mouthful, 5, second folder mouthful, 6, weft yarn.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further explain.
This specific embodiment only is to explanation of the present invention; It is not a limitation of the present invention; Those skilled in the art can make the modification that does not have creative contribution to present embodiment as required after reading this specification, but as long as in claim scope of the present invention, all receive the protection of Patent Law.
Shown in Fig. 1 to 4, a kind of sword head assembly that is applicable to flexible rapier loom, it comprises weft-sending sword head 1 and the weft-recepting sword head 2 that sets up the flexible rapier loom both sides separately, flexible rapier loom is not shown in the drawings.
As shown in Figure 1, weft-sending sword head 1 comprise first time part 11, with first time part 11 hinged first on part 12, first elastic component 13, yarn introduction member 14 and second elastic component 15; First time part 11 comprises that the both sides of first egative film, 111, the first egative films 111 are fixedly connected with a slice first lateral plate 112 respectively; Part 12 comprises with first lateral plate, 112 first hinges, 16 hinged first intermediate plate, 121, the first intermediate plates, 121 upper ends and being fixedly connected with and first intermediate plate, 121 orthogonal first compressing tablets 122 on first; First elastic component 13 is positioned at first compressing tablet, 122 afterbodys below and is fixed on first egative film 111; Form the first folder mouth 4 of clipped weft yarn 6 between the head of the head of first intermediate plate 121 and first egative film 111; Being provided with of yarn introduction member 14 mainly is for the ease of weft-recepting sword head 2 clipped weft yarns 6; Yarn introduction member 14 comprises the guide sheet 141 hinged with first lateral plate 112; Guide sheet 141 upper ends are fixedly connected with and guide sheet 141 orthogonal second compressing tablets 142; The lower head of guide sheet 141 has groove 1411, for further being convenient to weft-recepting sword head 2 gripping weft yarns 6, oblique guide sheet 141 head ends of the opening of groove 1411; Second elastic component 15 is positioned at second compressing tablet, 142 afterbodys belows and is fixed on first egative film 111, and second elastic component 15 also has and prevents that first intermediate plate 122 from producing the effect of rocking in moving process and in the reciprocating motion fast; The lower end surface of first intermediate plate, the 121 head end end faces and first intermediate plate 121 forms the obtuse angle, the setting at this obtuse angle be for weft-sending sword head 1 when getting weft yarn 6, make weft yarn 6 more be prone to fall within first folder mouthful; The head end end face of guide sheet 141 and the lower end surface of guide sheet 141 form the obtuse angle, and the setting at this obtuse angle is in order to make weft yarn 6 more be prone to fall within the groove; First time part 11 sides are installed with the stator 3 that has screw hole 31 so that weft-sending sword head 1 is fixed on the flexible rapier loom.
As shown in Figure 2, weft-recepting sword head 2 comprise second time part 21, with second time part 21 hinged second on part 22, the 3rd elastic component 23; Second time part 21 comprises that second egative film, 211, the second egative films, 211 both sides are fixedly connected with a slice second lateral plate 212 respectively; Part 22 comprises that passing through second hinge, 25 hinged second intermediate plate, 221, the second intermediate plates, 221 upper ends with second lateral plate 212 is fixedly connected with and second intermediate plate, 221 orthogonal the 3rd compressing tablets 222 on second; The 3rd elastic component 23 is positioned at the 3rd compressing tablet 222 afterbodys below and is fixed on second egative film 211; The head of the head of second intermediate plate 221 and second egative film 211 forms the second folder mouth 5 of a clipped weft yarn 6; Rock for prevent that second intermediate plate 221 from producing in moving process and in the reciprocating motion fast, and influence the wefting insertion action, be provided with limited block 24 in second intermediate plate 221 and two second lateral plates 212 and between one second lateral plate 212 of second intermediate plate, 221 apart from each others; The lower end surface of the head end end face of second intermediate plate 221 and second intermediate plate 221 forms the obtuse angle, and the setting at this obtuse angle is in order to make weft yarn 6 more be prone to fall within the second folder mouth 5; The side of second time part 21 also is installed with the stator 3 that has screw hole 31 so that weft-recepting sword head 2 is fixed on the flexible rapier loom.
As shown in Figure 3, at this moment, the side direction middle part motion of weft yarn 6 from flexible rapier loom in weft-sending sword head 1 clamping, and weft-recepting sword head 2 moves to the middle part from the opposite side of flexible rapier loom simultaneously, and the second folder mouth 5 of weft-recepting sword head 2 also is in closure state.
Beeline on first between part 12 and the yarn introduction member 14 is greater than the width of weft-recepting sword head 2 heads; As shown in Figure 4, first folder mouthfuls 4 of weft-sending sword head 1 is opened, and second folder of weft-recepting sword head 2 mouthfuls 5 is also opened, and the head of weft-recepting sword head 2 gets on first between the part 12 and yarn introduction member 14, and this moment, weft yarn 6 fell into the second folder mouth 5.