CN1131211A

CN1131211A - Rapier device for double pile fabric weaving machine

Info

Publication number: CN1131211A
Application number: CN95119206A
Authority: CN
Inventors: 铃木吉正; 岩崎威
Original assignee: TOYOKATA INDUSTRY Co Ltd
Current assignee: TOYOKATA INDUSTRY Co Ltd; Howa Machinery Ltd
Priority date: 1994-11-09
Filing date: 1995-11-09
Publication date: 1996-09-18
Anticipated expiration: 2015-11-09
Also published as: KR0141647B1; KR960017979A; JPH08134744A; CN1041225C

Abstract

The invention relates to a rapier device used for a double-side pile nap weaving machine. The weaving machine is provided with an abb feeding part and an abb receiving part. Each part is provided with a pair of rod-shaped rapiers and the cross-sectional area of the rapiers is smaller than the area of a corresponding shuttle path. The rapiers are connected on a slide rod on a preset length, thereby leading the rapiers to extend along the weft insertion direction with a suspension mode. A slide plate is connected on a mechanism which leads the slide plate to generate reciprocation on the weft insertion direction.

Description

The rapier equipment of double pile loom

The present invention relates to be used to weave the loom of double pile.More particularly, the present invention relates to rapier equipment in the double pile loom.

The structural table of double pile rapier equipment of the prior art is shown among Fig. 4.As shown in the figure, rapier equipment 101 comprises a shaft-like arrow shaft 102, at its free end one gripper head 111 is arranged, and forms a section of rack 103 in the one side.Pinion 105 can around one vertical, promptly the axis 104 perpendicular to drawing rotates.Pinion 105 is meshed with section of rack 103, and therefore, the rotation of pinion 105 will cause the horizontal reciprocating movement of arrow shaft 102.A series of guide rollers arrange with that side opposite of arrow shaft with section of rack 103.Guider 108a and 108b are along the length of arrow shaft 102 layout spaced apart, and guider 108a and 108b are supporting the side and the bottom surface of arrow shaft 102.Be provided with two such rapier equipments (one only draws), make upper base organize weft yarn and going to the bottom to organize weft yarn can introduce separately race 25 simultaneously, race is that the warp thread by tissue of the upper and lower end forms.

Rapier equipment also has a weft yarn receiving unit, and its structure and above-mentioned weft yarn feeding part are basic identical, and difference is that arrow shaft has a free end of making the arrow shaft hook, and it is used for receiving weft yarn from arrow shaft 102 for part at the weftsupplying motion of rapier equipment.Also be provided with two such arrow shafts at the weft yarn receiving unit, be used to be received in the weft yarn that the wefting insertion part is introduced by relevant arrow shaft.

In the course of the work, the rotation of pinion 105 makes the arrow shaft 102 of wefting insertion part insert relevant race 25 with the wefting insertion direction shown in the arrow A.The rotation of pinion (drawing) makes the arrow shaft of weft yarn receiving unit be introduced into relevant race 25, and race 25 is received in the weft yarn of the arrow shaft introducing of wefting insertion part, thereby weft yarn extends on the whole width of race.When carrying out the operation of this wefting insertion, arrow shaft contacts with the warp thread that constitutes shed open 23, thereby guides the motion of arrow shaft.

Use the wefting insertion operation of this prior art of carrying out with the section of rack meshed gears transmission of arrow shaft, its shortcoming is, the inevitable pine oil that meshes between pinion and section of rack can make arrow shaft crooked, this makes arrow shaft and powerful contact of warp thread of bearing the operation of formation shed open, thereby one side produces plucking in yarn, yarn is fractureed, thereby reduce the quality of fabric.

The purpose of this invention is to provide a kind of rapier equipment that is used for the double pile loom, it can prevent that arrow shaft from contacting with warp thread or guided by warp thread.

According to the present invention, be used for the rapier equipment of double pile loom, upper and lower body warp and pile warp are set, rapier equipment comprises first group of upper and lower arrow shaft, it is used for holding the supply weft yarn within it; Second group of upper and lower arrow shaft, it is used for the weft yarn of termination receipts supply within it; And the first and second reciprocating motion assemblies that are connected to first group of arrow shaft and second group of arrow shaft, wherein, on, following body warp be configured for respectively receiving weft yarn on, following race, pile warp is configured for receiving the race of weft yarn, thereby on constituting respectively, the tissue of going to the bottom, and on, go to the bottom to organize then and interconnect by pile warp, be provided with shearing device, it is used for cutting off and connects, the pile warp of undertissue, thereby obtain to have pile on, following fabric separately, it is characterized in that: each reciprocating motion assembly comprises a slide bar that extends in parallel with the wefting insertion direction, one can be with respect to the sliding utmost point of slide bar slip, be used for the outer end of shaft-like arrow shaft is fixedly attached to described slide bar, make the cantilevered fashion of arrow shaft be parallel to the extension of wefting insertion direction, prevent that simultaneously the interior end in contact of first and second arrow shafts from forming the warp thread of race, and being used to produce the reciprocating device of slide plate along slide bar, the cantilever support of the outer end of first and second arrow shafts is provided at the predetermined bearing length on the wefting insertion direction.

According to the rapier equipment that is used for the double pile loom of the present invention, in weft yarn feeding part and receiving unit, two shaft-like arrow shafts are connected in a slide plate along predetermined length, itself and cantilevered fashion are extended, and do not contact with the warp thread that bears the opening operation.Therefore, the motion of weft-insertion of shaft-like arrow shaft can not cause the disconnection of the fiber of plucking, thereby prevents to reduce the quality of fabric.In addition, the cantilevered of arrow shaft arranges and can save complicated structure, as being used to support the point wheel and the rackwork of arrow shaft in the prior art, thereby reduces cost.

The following accompanying drawing of contrast is described embodiments of the invention now.

Fig. 1 is the schematic front view that has according to the double pile loom of rapier equipment of the present invention;

Fig. 2 is the zoomed-in view of the rapier equipment among Fig. 1;

Fig. 3 is illustrated in the cross-sectional figure of signal at the fell place in the weaving device among Fig. 1;

Fig. 4 represents rapier equipment of the prior art.

In Fig. 1, label 1 is represented the double pile loom, and loom 1 comprises the arrow shaft assembly 1-1 that is used to feed weft yarn and is used to receive the arrow shaft assembly 1-2 of the weft yarn of introducing.Loom 1 also comprises being arranged on weaves assembly 1-3 between arrow shaft assembly 1-1 and 1-2.

As shown in Figure 3, in weaving assembly 1-3, be provided with the warp thread 23 of tissue of the upper and lower end 21 and 22.The reed 30 that the harness cord 28 and being used to that is used to obtain the opening operation of warp thread 23 obtains beating operation is provided with in known manner.Article one, weft yarn 24 is sent into race 25 from arrow shaft assembly 1-1, and is received by arrow shaft assembly 1-2, and therefore, weft yarn moves on the total length of race 25.The beating motion of reed 30 forms fell, thereby forms upper and lower tissue 21 and 22.In addition, also be provided with the warp thread 27 that is used to form pile, warp thread 27 also bears the opening operation, makes warp thread 27 inweave upper and lower tissue 21 and 22 respectively, thereby forms pile.One cutting knife 29 is arranged between upper and lower tissue 21 and 22, is used to cut off pile warp 27, thereby separately has the upper and lower fabric of pile.

Arrow shaft assembly 1-1 and 1-2 is basic identical, and difference is that an end of the shaft-like arrow shaft of arrow shaft assembly 1-1 constitutes a gripper head 20, and an end of the shaft-like arrow shaft of arrow shaft assembly 1-2 constitutes an arrow shaft hook 19.Therefore, will the arrow shaft assembly 1-1 of feeding weft yarn be described in detail, and omit detailed description the arrow shaft assembly 1-2 that receives weft yarn.

As shown in Figure 2, arrow shaft assembly 1-1 comprises a framework 2, fixing one arm 3 integrally on framework 2.One carriage 4a-1 is fixedly attached on the arm 3, and a carriage 4a-2 then is fixedly attached on the framework 2.The slide bar 5 of a rectangular cross section flatly extends along the direction of the introducing weft yarn shown in the arrow A.Two opposite ends of slide bar 5 are connected on carriage 4a-1 and the 4a-2.One slide plate 6 forms the opening of a rectangular cross section along its length, and slide plate 6 is enclosed within on the slide bar 5 slidably by opening.Label 7 is represented a driven unit, and it is used to realize the slip of slide plate 6 along slide bar 5.

Driven unit 7 comprises a connecting rod 8, its first end is connected on the slide plate by pivot 8-1, second end is connected by pivot 8-2 on first end of montant 9, and second end of bar 9 is fixedly attached on the rocker 10, and rocker 10 is rotatably connected on the framework 2 by the bearing arrangement (not shown).Therefore, the rotation of rocker 10 makes montant 9 shake around the axis of axle 10.Montant 9 integrally is formed with a part 13, is provided with regulating tank 12 in the part 13, and it is used to regulate the amount of exercise of arrow shaft 11 on the wefting insertion direction shown in the arrow A.Label 14 is represented a crank mechanism, it comprises a crank 14-1, its bottom is connected on the part 13 by a jockey, above-mentioned jockey comprises 15, one pivot pin 14-2 and locational locking pieces 14-3 of needs that are used for pivot pin 14-2 is fixed on regulating tank 12 that insert in the regulating tank 12 of a ball bearing.The top of crank 14-1 forms a ball-and-socket 14-4, one ball bearing pin 16 and is inserted in the ball-and-socket 14-4.Pin 16 inserts in the hole of a rotating disk 18 regularly.Rotating disk 18 is fixedly attached on the driving shaft 17, and axle 17 is rotatably supported on the framework 2 by the bearing arrangement (not shown).

A pair of shelf 4b is fixedly attached on the slide plate 6, and two arrow shafts 11 are fixedly attached on the shelf 4b.Two vertical ground of shelf 4b parallel interval come, and the spacing of two shelf 4b is supported arrow shaft 11 on the part of distance its rear end L length, and therefore, remainder flatly abreast, with the form of cantilever, extends on the wefting insertion direction shown in the arrow A.The predetermined length L that is used to support arrow shaft 11 should make the part of the arrow shaft 11 of extending with cantilevered fashion can be introduced into race 25 and not deflection, that is, do not join with the warp thread 23 that bears the opening operation.In the illustrated embodiment, bearing length L is 1/3rd of arrow shaft 11 total lengths.

The arrow shaft assembly 1-2 that is used to receive weft yarn has and arrow shaft assembly 1-1 essentially identical structure that is used to feed weft yarn, and difference is to have arrow shaft hook 19 in the inner of arrow shaft 11 to substitute gripper head 20.In order to carry out the wefting insertion operation, in arrow shaft assembly 1-1, have the arrow shaft 11 of gripper head 20, its cross-sectional area is less than the area of the race 25 of warp thread 23 formation.Equally, the arrow shaft that has arrow shaft hook 19 11 in arrow shaft assembly 1-2, its cross-sectional area is less than the area of warp thread race 25.In addition, owing to be provided with carriage 4b, thereby in the operation of the race 25 of the warp thread of two arrow shafts 11 being introduced the race 25 of organizing 21 warp thread 28 and undertissue respectively, race 25 is separately passed in the basic centre position of arrow shaft 11 between reed 30 and fell 26.It should be noted that arrow shaft being used the rigidity height, light material is made, and as carbon beam, this makes arrow shaft 11 flexible little.This prevents that effectively arrow shaft from significant deflection taking place, thereby prevents that the arrow shaft contact from constituting the warp thread 23 of race 25, thereby prevents the damage of yarn.

Work according to loom of the present invention is described below.Drive motors (not drawing) rotates, thereby makes driving shaft 17 together with rotating with its whole rotating disk that links to each other 18.Being connected axis on the rotating disk 18 and that be contained in ball bearing 16 drums 18 in the spherical nest seat 14-4 prejudicially rotates.The rotation of ball bearing 16 makes crank-motion, thus the 15 vertical reciprocating motions of spherical connector.The vertical reciprocating motion of connector 15 make montant 9 around the axis of rocker 10 shake, shaking of montant 9 make connecting rod 8 shake around the axis of pivot 8-1, connecting rod 8 is made horizontal reciprocating movement simultaneously.The horizontal reciprocating movement of connecting rod 8 makes slide plate 6 make horizontal reciprocating movement, and slide plate 6 is subjected to guide rod 5 guiding simultaneously, and this makes arrow shaft 11 horizontal reciprocating movement on the wefting insertion direction shown in the arrow A.As mentioned above, arrow shaft 11 is with respect to slide plate 6, connects by the cantilever of a pair of supporting 6a of distance L, arrow shaft 11 do not contacted bear the warp thread 23 of opening operation.Therefore, on wefting insertion direction A, the reciprocating motion of arrow shaft 11 can not cause the disconnection of plucking and fiber, thereby prevents that fabric is impaired, makes fabric reach the quality of expection.

In known manner, simultaneously weft yarn 24 is introduced the race 25 that upper and lower warp thread forms respectively wefting insertion direction A arrow shaft, reed 30 is made beating operation simultaneously, therefore, upper and lower tissue 21 and 22 forms simultaneously, and upper and lower tissue 21 and 22 is interconnective by pile warp 27.Then, when organizing when mobile, cutting knife 29 cuts off pile warps, makes upper and lower tissue 21 and opens in 22 minutes, thereby obtain to have the upper and lower fabric of pile.

Claims

1. a rapier equipment that is used for the double pile loom wherein is provided with upper and lower body warp and pile warp, and rapier equipment comprises: first group of upper and lower shaft-like arrow shaft of holding the supply weft yarn within it; On second group of the weft yarn of termination receipts institute supply within it, following shaft-like arrow shaft, and be connected to the first and second reciprocating motion assemblies on first group and the second group of arrow shaft, wherein, on, following body warp form respectively receive weft yarn on, following race, pile warp constitutes a race that receives weft yarn, thereby on forming respectively, the tissue of going to the bottom, and on, the tissue of going to the bottom is interconnective by pile warp, be provided with one and cut off device, it is used for cutting off and connects, the go to the bottom pile warp of tissue, thereby obtain separately have pile on, following fabric is characterized in that each described reciprocating motion assembly comprises that is parallel to the slide bar that the wefting insertion direction is extended; One can be with respect to the slide plate of described slide bar slip; Be used for described arrow shaft outer end is fixedly attached to described slide bar, arrow shaft is extended abreast with cantilevered fashion and wefting insertion direction, prevent the device that first and second arrow shafts contact with the warp thread that forms race simultaneously, and be used to produce the reciprocating device of described slide plate along described slide bar.The cantilever support of the described first and second arrow shaft outer ends provides a predetermined bearing length on the wefting insertion direction.

2. rapier equipment as claimed in claim 1, it is characterized in that: described jockey comprises a pair of carriage, this to carriage in spaced apart described length on the wefting insertion direction and be fixedly attached on the described slide plate, arrow shaft in each group is fixedly attached on the described carriage, extends on the wefting insertion direction simultaneously.

3. rapier equipment as claimed in claim 1, it is characterized in that: described drive unit comprise one can be around a bar that rotates perpendicular to the horizontal axis of wefting insertion direction, a connecting rod that has first end on the free end that is rotatably connected to described bar and be rotatably connected to second end on the described slide plate, a ROTATING SOURCE, and be used to connect described ROTATING SOURCE and described bar, make described bar make the crank device that back and forth shakes.

4. rapier equipment as claimed in claim 3, it is characterized in that: described crank device comprises a rotating disk that is connected on the described ROTATING SOURCE, crank with first and second ends, one is used for first end of described crank even is connected on the described bar near the position of pivot center, has the first spherical connector perpendicular to the axis of wefting insertion direction, and one be used for second end of described bent plate is connected on the described rotating disk, has the second spherical connector of the axis that is parallel to the wefting insertion direction.

5. rapier equipment as claimed in claim 4, it is characterized in that: also comprise a device of realizing position adjustments, it is used to regulate the described first spherical connector and is connected position on the described bar, thereby regulates the amount of exercise of described arrow shaft on described wefting insertion direction.