Summary of the invention
For the problems referred to above, The embodiment provides a kind of drive mechanism, open device and weaving loom, with letterSingly, it is effectively realized at three positions driving integrated box movements, and the most also can be with existing open device and weavingMachine is mutually compatible, the advantage with low cost.
A kind of drive mechanism for weaving loom heald frame of offer is provided, including: the first toggle mechanism；FirstConnecting rod, its first end is connected with the first end pivoting of described first toggle mechanism；Second connecting rod, its first end and described theSecond end pivoting of one toggle mechanism connects；First heald frame connection member, its first end and the 3rd of described first toggle mechanismEnd pivoting connects, and its second end is for being connected with described heald frame；First swing arm, with the second end pivoting of described head rodConnect；Second swing arm, is connected with the second end pivoting of described second connecting rod；First drive link, its first end and described theOne swing arm is pivotally connected, and its second end is for being connected with a take-off lever of lifter；And second drive link, its first endPivotally connected with described second swing arm, its second end is for being connected with another take-off lever of described lifter.
Such as, in the drive mechanism that disclosure embodiment provides, described first toggle mechanism include being arranged on its firstFirst swivel joint of end, the first end of described head rod is connected with described first swivel joint；Described first toggle machineStructure includes the second swivel joint being arranged on its second end, and the first end of described second connecting rod is with described second swivel joint evenConnect；Described first toggle mechanism includes the 3rd swivel joint being arranged on its 3rd end, the of described first heald frame connection memberOne end is connected with described 3rd swivel joint.
Such as, in the drive mechanism that disclosure embodiment provides, the first end of described head rod and described firstSwivel joint is connected by double cone system；First end of described second connecting rod and described second swivel joint pass through double coneSystem connects；First end of described first heald frame connection member is connected by double cone system with described 3rd swivel joint.
Such as, in the drive mechanism that disclosure embodiment provides, the axle of described first swivel joint and one virtual etc.First base angle of lumbar triangle shape overlaps；The axle of described second swivel joint is heavy with the second base angle of described virtual isosceles triangleClose；The axle of described 3rd swivel joint overlaps with the drift angle of described virtual isosceles triangle.
Such as, in the drive mechanism that disclosure embodiment provides, described head rod includes the first length adjustment machineStructure, described head rod can be split as two sections at described first length adjustment mechanism；And/or described second connecting rod includesSecond length adjustment mechanism, described second connecting rod can be split as two sections at described second length adjustment mechanism.
Such as, in the drive mechanism that disclosure embodiment provides, the length of described head rod is less than described secondThe length of connecting rod.
Such as, in the drive mechanism that disclosure embodiment provides, described first swing arm and described second swing arm toolThere is identical swinging axle.
Such as, in the drive mechanism that disclosure embodiment provides, described first heald frame connection member includes that heald frame connectsBar and heald frame adapter, the first end of described heald frame connecting rod is connected with the 3rd end pivoting of described first toggle mechanism, describedSecond end of heald frame connecting rod is releasably secured together with described heald frame adapter, and described heald frame adapter is for describedHeald frame connects.
Such as, disclosure embodiment provide drive mechanism in, described first toggle mechanism include the first flange, secondFlange and connect described first flange and the center reinforcement feature of described second flange, the first end of described head rod,First end of described second connecting rod and the first end of described first heald frame connection member may be contained within described first flange andBetween two flanges.
Such as, disclosure embodiment provide drive mechanism in, described first flange, described second flange and described inHeart reinforcement feature is fixed together.
Such as, in the drive mechanism that disclosure embodiment provides, described head rod includes the first kink, describedSecond connecting rod includes the second kink, the overbending direction of described first kink and the overbending direction phase of described second kinkInstead.
Such as, in the drive mechanism that disclosure embodiment provides, the size and described the of described first kink bendingThe size of two kink bendings is equal to the spacing in described first sway bar center face and described second sway bar center faceHalf.
Such as, disclosure embodiment provide drive mechanism in, described first toggle mechanism include the first face-flange,Second face-flange, the first center support, the first collateral support part, the second center support and the second collateral support part, describedOne center support and described second center support may be contained within described first face-flange and described second face-flange itBetween, described first collateral support part is arranged at side contrary with described first center support on described first face-flange, instituteState the second collateral support part and be arranged at side contrary with described second center support on described second face-flange, described firstFirst end of connecting rod is pivotally connected with described first center support and described first collateral support part, described second connecting rodFirst end is pivotally connected with described second center support and described second collateral support part, described first face-flange, describedTwo face-flanges, described first center support, described first collateral support part, described second center support and described secondCollateral support part is fixed together.
Such as, in the drive mechanism that disclosure embodiment provides, described first face-flange median plane and described secondDistance between face-flange median plane is equal between described first sway bar center face and described second sway bar center faceDistance.
Such as, the drive mechanism that disclosure embodiment provides, also include: the second toggle mechanism；3rd connecting rod, it is first years oldEnd is connected with the first end pivoting of described second toggle mechanism；4th connecting rod, its first end and described second toggle mechanismSecond end pivoting connects；Second heald frame connection member, its first end is connected with the 3rd end pivoting of described second toggle mechanism, itsSecond end is for being connected with described heald frame；3rd swing arm, is connected with the second end pivoting of described 3rd connecting rod；4th swingsBar, is connected with the second end pivoting of described 4th connecting rod；3rd drive link, respectively with described first swing arm and the described 3rdSwing arm is pivotally connected；And the 4th drive link, pivotally connected with described second swing arm and described 4th swing arm respectively.
Embodiment of the disclosure and also provide for a kind of open device, including: described at least one disclosure any embodimentDrive mechanism；At least one lifter, it includes the first take-off lever and the second take-off lever；And heald frame, with described first heald frameConnection member connects, and wherein, the second end of described first drive link is pivotally connected with described first take-off lever；Described second transmissionSecond end of bar is pivotally connected with described second take-off lever.
Such as, in the open device that disclosure embodiment provides, described first take-off lever and described second take-off lever areThe take-off lever that described lifter is adjacent.
Such as, in the open device that disclosure embodiment provides, the median plane of described heald frame and described first swing armMedian plane between distance equal to described heald frame median plane and the median plane of described second swing arm between distance.
Such as, in the open device that disclosure embodiment provides, described lifter is configured to drive multiple heald frame, extremelyEach in few two described heald frames is connected with two take-off levers of described lifter by described drive mechanism, and at leastEach in two other described heald frame is only connected with a take-off lever of described lifter.
Such as, in the open device that disclosure embodiment provides, described lifter includes rotary lifter.
Embodiment of the disclosure and also provide for a kind of weaving loom, including the open device described in disclosure any embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical scheme in disclosure embodiment is clearly and completely described with reference to attachedThe non-limiting example embodiment shown in figure and described in detail in the following description, the example being more fully described below the disclosure is implementedExample and their various features and Advantageous details.It should be noted that the feature shown in figure is not necessary to be drawn to scale.ThisThe open description eliminating known materials, assembly and Technology, thus do not make the example embodiment of the disclosure obscure.GivenExample be only intended to beneficially understand the enforcement of disclosure example embodiment, and enable those skilled in the art real furtherExecute example embodiment.Thus, these examples are understood not to the restriction of the scope of embodiment of this disclosure.
Unless otherwise specifically defined, the disclosure uses technical term or scientific terminology should be disclosure artInside there is the ordinary meaning that the personage of general technical ability is understood." first ", " second " and the similar word used in the disclosureLanguage is not offered as any order, quantity or importance, and is used only to distinguish different ingredients.Additionally, in the disclosureIn each embodiment, same or similar reference number represents same or similar component.
One embodiment of the disclosure provides a kind of drive mechanism for weaving loom heald frame, open device and weavingMachine, it is possible to achieve heald frame moves back and forth between three positions, and cost is relatively low.
Such as, Fig. 1 is the structural representation of a kind of open device that disclosure embodiment provides.Embodiment of the disclosure and carryFor a kind of open device 10, this open device 10 includes drive mechanism 100, heald frame 200 and lifter 300.
For the ease of describing, the first direction D1 in Fig. 1 refers to that vertical direction, second direction D2 refer to be perpendicular to paperDirection (warp direction), third direction D3 refers to horizontal direction (weft direction).
Such as, a kind of drive mechanism 100 for weaving loom heald frame of offer is provided.As it is shown in figure 1, this biographyDynamic structure 100 includes: the first toggle mechanism 111；Head rod 121, its first end and the first end of the first toggle mechanism 111Pivotally connected；Second end pivoting of the second connecting rod 122, its first end and the first toggle mechanism 111 connects；First heald frame connects3rd end pivoting of parts 131, its first end and the first toggle mechanism 111 connects, and its second end is for being connected with heald frame 200；First swing arm 141, is connected with the second end pivoting of head rod 121；Second swing arm 142, with the second connecting rod 122Second end pivoting connects；First drive link 151, its first end and the first swing arm 141 are pivotally connected, and its second end is used for and carriesThe take-off lever (the such as first take-off lever 311) combining machine 300 connects；And second drive link 152, its first end and the second pendulumLever 142 is pivotally connected, and its second end is for being connected with another take-off lever (the such as second take-off lever 312) of lifter 300.
Such as, in the drive mechanism 100 that disclosure embodiment provides, as it is shown in figure 1, the first toggle mechanism 111 includesBeing arranged on the first swivel joint 111A of its first end, the first end of head rod 121 and the first swivel joint 111A connect；First toggle mechanism 111 includes the second swivel joint 111B being arranged on its second end, the first end of the second connecting rod 122 andTwo swivel joint 111B connect；First toggle mechanism 111 includes the 3rd swivel joint 111C being arranged on its 3rd end, and first combinesFirst end of frame connection member 131 and the 3rd swivel joint 111C connect.
Such as, Fig. 2 be a kind of drive mechanism that disclosure embodiment provides example in one of the schematic diagram of section components.In the example of the drive mechanism 100 of disclosure embodiment offer, as in figure 2 it is shown, first end and second of the second connecting rod 122Swivel joint 111B is connected by double cone system 160；First end and the first swivel joint 111A of head rod 121 pass throughMutually isostructural double cone system connects；First end and the 3rd swivel joint 111C of the first heald frame connection member 131 pass through phaseIsostructural double cone system connects.
Such as, pivotally connected may each be described in disclosure embodiment is connected by double cone system.For example, it is possible toPivotally connected parts arrange ball bearing, to reduce friction, to reduce abrasion.
Such as, in the drive mechanism 100 that disclosure embodiment provides, the axle of the first swivel joint 111A (such as rotatesThe rotary shaft of joint 111A) overlap with the first base angle 171 of a virtual isosceles triangle 170；Second swivel joint 111B'sAxle overlaps with the second base angle 172 of virtual isosceles triangle 170；The axle of the 3rd swivel joint 111C and virtual isosceles triangleThe drift angle 173 of 170 overlaps.
Such as, in the drive mechanism 100 that disclosure embodiment provides, as in figure 2 it is shown, head rod 121 can wrapIncluding the first length adjustment mechanism 1211, described head rod can be split as two sections at described first length adjustment mechanism；TheTwo connecting rods 122 can include the second length adjustment mechanism 1221, and described second connecting rod can be from described second length adjustment machineTwo sections it are split as at structure.
In length adjustment mechanism as depicted, such as, head rod and/or the second connecting rod include two sections, itsIn one section be inserted in another section, to be adjusted after appropriate length, two sections are fixed by available screw.
Such as, head rod and/or the length of the second connecting rod, and then regulation can be regulated by length adjustment mechanismDistance between height and heald frame three height and positions P1, P2 and P3 of heald frame, three position such as Fig. 4 A-4C institutes of heald frameShow, concrete detailed description afterwards.
Such as, in the drive mechanism 100 that disclosure embodiment provides, length L1 of head rod 121 is less than secondLength L2 of connecting rod 122.Such as, due to the first swing arm 141 and rotary oscillation of the second swing arm 142, the first connection is madeD1 the most in a first direction (vertical direction) motion of the second end of bar 121 and the second end of the second connecting rod 122, and theThree direction D3 (horizontal direction) motions, so, it is necessary to length L1 of head rod 121 is less than the length of the second connecting rod 122Degree L2, with ensure head rod be in higher position and the second connecting rod be under lower position state with head rod atBeing under the state of higher position in lower position and the second connecting rod, heald frame can have identical centre position P2.
Such as, in the drive mechanism 100 that disclosure embodiment provides, the first swing arm 141 and the second swing arm 142 haveThere is identical swinging axle 190.It is to say, the first swing arm 141 and the second swing arm 142 can be put around same swinging axle 190Dynamic.
Such as, in the drive mechanism 100 that disclosure embodiment provides, the first heald frame connection member 131 includes that heald frame is evenExtension bar 1311 and heald frame adapter 1312, the first end of heald frame connecting rod 1311 and the 3rd end pivoting of the first toggle mechanism 111Connecting, the second end of heald frame connecting rod 1311 is releasably secured together with heald frame adapter 1312, heald frame adapter 1312For being connected with heald frame 200.Such as, the second end of heald frame connecting rod 1311 is with heald frame adapter 1312 by screw removablyIt is fixed together.
Such as, as in figure 2 it is shown, in the example of the drive mechanism 100 of disclosure embodiment offer, the first toggle mechanism111 include first flange the 1111, second flange 1112 and connect the center reinforcing of the first flange 1111 and the second flange 1112Parts 1113, the of the first end of head rod 121, the first end of the second connecting rod 122 and the first heald frame connection member 131One end may be contained between the first flange 1111 and the second flange 1112, and is connected by double cone system.
Such as, in the drive mechanism 100 that disclosure embodiment provides, the first toggle mechanism 111 can have center pairClaiming structure, first flange the 1111, second flange 1112 and center reinforcement feature 1113 are fixed together.Such as, the first flange1111, the second flange 1112 and center reinforcement feature 1113 are fixed together by screw or rivet.
Such as, in the first toggle mechanism 111 of the example of the drive mechanism 100 of disclosure embodiment offer, first evenExtension bar 121 can also include that the first kink 1212, the second connecting rod 122 can also include the second kink 1222, and first is curvedThe overbending direction of folding part 1212 and the overbending direction of the second kink 1222 are contrary.
Such as, in the drive mechanism 100 that disclosure embodiment provides, size L3 and the of the first kink 1212 bendingSize L4 of two kink 1222 bendings is equal to the first swing arm 141 median plane and the spacing of the second swing arm 142 median planeHalf from L5.
Such as, the first kink 1212 second direction D2 along Fig. 1 bends to being perpendicular to paper inward direction；Second is curvedFolding part 1222 D2 in a second direction is to being perpendicular to the bending of paper outwardly direction.For example, with reference to Fig. 2, the first kink 1212 is curvedSize L3 of folding is 6 millimeters (mm), and size L4 of the second kink 1222 bending is also 6 millimeters (mm), in the first swing arm 141Spacing L5 of heart face and the second swing arm 142 median plane is 12 millimeters (mm).As such, it is possible to make the of head rod 121First end of one end and the second connecting rod 122 is in approximately the same plane, consequently facilitating by the first flange 1111 and the second flange1112 are folded in wherein, beneficially the balance of structure and stable.
It should be noted that embodiment of the disclosure include the first kink including, but not limited to head rod andTwo connecting rods include the situation of the second kink, it is also possible to including being provided with kink in such as only one of which connecting rod, this is curvedThe bending size of folding part is equal to the first sway bar center face and the spacing in the second sway bar center face.
Such as, embodiment of the disclosure and head rod and the second connecting rod can also be used not to bend, and change elbowThe mode of joint mechanism structure reaches similar effect, it is achieved stablizing of structure.
Such as, Fig. 3 be disclosure embodiment provide a kind of drive mechanism in section components schematic diagram two.Such as Fig. 3Shown in, in another example of the drive mechanism 100 of disclosure embodiment offer, the first toggle mechanism 111 includes that first is flatFace flange the 1114, second face-flange the 1115, first center support 1116, first collateral support part the 1117, second central supportedPortion 1118 and the second collateral support part 1119.First toggle mechanism 111 can have centrosymmetric structure, the first center support1116 and second center support 1118 be all folded between the first face-flange 1114 and the second face-flange 1115 (such as,A part for first center support 1116 and a part for the second center support 1118 are folded in the first face-flange 1114With second between face-flange 1115, the two is symmetrical relative to structure centre mutual centre).First collateral support part 1117 is arranged atSide contrary with the first center support 1116 on first face-flange 1114, it is flat that the second collateral support part 1119 is arranged at secondSide contrary with the second center support 1118 on face flange 1115.First end and first center of head rod 121 are propped upSupport part 1116 and the first collateral support part 1117 are pivotally connected, the first end of the second connecting rod 122 and the second center support 1118Pivotally connected with the second collateral support part 1119.First face-flange the 1114, second face-flange the 1115, first center support1116, first collateral support part the 1117, second center support 1118 and the second collateral support part 1119 are fixed together.Such as,In first face-flange the 1114, second face-flange the 1115, first center support the 1116, first collateral support part 1117, secondHeart supporting part 1118 and the second collateral support part 1119 are fixed together by screw or rivet.
Such as, in the above-mentioned example of the drive mechanism 100 of disclosure embodiment offer, as it is shown on figure 3, the first planar processDistance L6 between blue 1114 median planes and the second face-flange 1115 median plane is equal to the first swing arm 141 median plane and secondDistance L5 between swing arm 142 median plane.
Such as, as it is shown in figure 1, the drive mechanism 100 that disclosure embodiment provides also includes: the second toggle mechanism 112；TheFirst end pivoting of three connecting rods 123, its first end and the second toggle mechanism 112 connects；4th connecting rod 124, its first endIt is connected with the second end pivoting of the second toggle mechanism 112；Second heald frame connection member 132, its first end and the second toggle mechanism3rd end pivoting of 112 connects, and its second end is for being connected with heald frame 200；3rd swing arm 143, with the 3rd connecting rod 123Second end pivoting connects；4th swing arm 144, is connected with the second end pivoting of the 4th connecting rod 124；3rd drive link 153, pointNot pivotally connected with the first swing arm 141 and the 3rd swing arm 143；And the 4th drive link 154, respectively with the second swing arm142 and the 4th swing arm 144 pivotally connected.
Such as, this configuration can realize the first drive link 151 and drive the first swing arm 141 to move, the first swing arm 141Driving the 3rd drive link 153 and head rod 121 to move, the 3rd drive link 153 drives the 3rd swing arm 143 to move, and the 3rdSwing arm 143 drives the 3rd connecting rod 123 to move, it is achieved being synchronized with the movement of the first swing arm 141 and the 3rd swing arm 143, entersAnd realize being synchronized with the movement of head rod 121 and the 3rd connecting rod 123.Meanwhile, the second drive link 152 drives the second swing arm142 motions, the second swing arm 142 drives the 4th drive link 154 and the second connecting rod 122 to move, and the 4th drive link 154 drives theFour swing arms 144 move, and the 4th swing arm 144 drives the 4th connecting rod 124 to move, it is achieved the second swing arm 142 and the 4th pendulumBeing synchronized with the movement of lever 144, and then realize being synchronized with the movement of the second connecting rod 122 and the 4th connecting rod 124.Head rod121 and the 3rd connecting rod 123 be synchronized with the movement and the second connecting rod 122 and being synchronized with the movement of the 4th connecting rod 124 can makeFirst toggle mechanism 111 and the second toggle mechanism 112 are synchronized with the movement, and then make drive mechanism 100 more stably drive heald frame 200Motion.
Such as, the second toggle mechanism and the first toggle mechanism can have identical structure, do not repeat them here.
Such as, the drive mechanism 100 that disclosure embodiment provides can also include the 3rd toggle mechanism and corresponding connecting portionPart (not shown in figure 1), thus longer heald frame (longer at third direction D3) is provided stable support, the 3rd toggle mechanismAnd the dependency structure of corresponding connection member is similar with the second toggle mechanism and corresponding connection member thereof, does not repeats them here.Certainly,It will be understood to those skilled in the art that for more small-sized heald frame, a toggle mechanism as above foot is only setTo drive heald frame, this toggle mechanism may be provided at the heald frame centre position at its longitudinal (i.e. third direction D3 in Fig. 1).
As it is shown in figure 1, embodiment of the disclosure and also provide for a kind of open device 10, this open device 10 includes: at least oneThe drive mechanism 100 of individual disclosure any embodiment；At least one lifter 300, it includes that the first take-off lever 311 and second is defeatedRod 312；And heald frame 200, it is connected with the first heald frame connection member 131, the second end of the first drive link 151 and the first outputBar 311 is pivotally connected；Second end and second take-off lever 312 of the second drive link 152 are pivotally connected.
Such as, the regulation hook on the second end of the first drive link 151 and the first take-off lever 311 is pivotally connected；Second passesRegulation hook on second end of lever 152 and the second take-off lever 312 is pivotally connected.
Such as, the heald frame adapter 1312 in the first heald frame connection member 131 is connected with the crossbeam of heald frame 200.
Such as, heald frame 200 size (i.e. the thickness of heald frame) in a second direction d 2 is 12-24 millimeter (mm).
Such as, during Fig. 4 A is a kind of open device that disclosure embodiment provides, heald frame is in showing of the first height and position P1It is intended to.When the first take-off lever 311 of lifter and the second take-off lever 312 are in relatively low bottom position, head rodSecond end of 121 and the second end of the second connecting rod 122 are in higher position, head rod 121 and the second connecting rod 122Heald frame is driven to be in extreme higher position P1 (the i.e. first height and position P1) by the first toggle mechanism 111.
Such as, during Fig. 4 B is a kind of open device that disclosure embodiment provides, heald frame is in showing of the second height and position P2It is intended to.When in first take-off lever 311 and the second take-off lever 312 of lifter is in relatively low bottom position, anotherWhen being in higher tip position, being in bottom position with the first take-off lever 311 in Fig. 4 B, the second take-off lever 312 is in topAs a example by position, the second end of head rod 121 is in higher position, and the second end of the second connecting rod 122 is in lower position,Head rod 121 and the second connecting rod 122 drive heald frame P2 in an intermediate position (i.e. second by the first toggle mechanism 111Height and position P2).
It should be noted that the first swing arm 141 and the second swing arm 142 drive the second of head rod 121 respectivelyEnd and the second end motion of the second connecting rod 122, due to the first swing arm 141 and rotary oscillation of the second swing arm 142, make theD1 the most in a first direction (vertical direction) motion of the second end of one connecting rod 121 and the second end of the second connecting rod 122, andAnd move at third direction D3 (horizontal direction), so, it is necessary to length L1 of head rod 121 is less than the second connecting rodLength L2 of 122, is in bottom position with any one ensureing in the first take-off lever 311 of lifter and the second take-off lever 312,When another is in tip position, heald frame is in identical centre position P2.
Such as, during Fig. 4 C is a kind of open device that disclosure embodiment provides, heald frame is in showing of third height position P3It is intended to.When the first take-off lever 311 of lifter and the second take-off lever 312 are in higher tip position, head rodSecond end of 121 and the second end of the second connecting rod 122 are in lower position, head rod 121 and the second connecting rod 122Heald frame is driven to be in extreme lower position P3 (i.e. third height position P3) by the first toggle mechanism 111.
So, (such as, the structure of cam or the electronics of lifter refer to according to the control of two take-off levers to lifterOrder realizes), it is possible to achieve heald frame arrives in three positions in throwing a spear every time, and realizes heald frame between three positionsMove back and forth.These three position may be used for forming two openings being positioned at differing heights.First height and position P1 and second is highDegree position P2 is for forming the first opening being positioned at high height；Second height and position P2 and third height position P3 is used for being formedIt is positioned at the second opening of lower height.
Such as, in the open device 10 that disclosure embodiment provides, the first take-off lever 311 and the second take-off lever 312 areThe take-off lever that lifter 300 is adjacent one another are.
Such as, in example as depicted, in the open device 10 that disclosure embodiment provides, the center of heald frame 200Distance between the median plane of face and the first swing arm 141 is equal to median plane and the median plane of the second swing arm 142 of heald frame 200Between distance.It is to say, the median plane of heald frame is positioned in median plane and second swing arm 142 of the first swing arm 141Center between heart face.It will be appreciated by those of skill in the art that it is direct with heald frame to the invention is not restricted to lifterThe take-off lever of the most this layout, such as lifter can be coupled indirectly to drive mechanism by other transferring structures.
Such as, in the open device 10 that disclosure embodiment provides, lifter 300 is configured to drive multiple heald frame200, each at least two heald frame 200 is connected with two take-off levers of lifter 300 by drive mechanism 100, andAt least each in two other heald frame 200 is only connected with a take-off lever of lifter 300.
Such as, in the open device 10 that disclosure embodiment provides, lifter 300 for example, rotary dobby or convexTurbine, concrete example includes but not limited to various electronic dobby machine and cam machine prepared by Shi Tao Bill company of France.
Embodiment of the disclosure and also provide for a kind of weaving loom, including the open device described in disclosure any embodiment.ExampleAs, lifter has multipair take-off lever (the most above-mentioned first and second take-off levers), arranges multiple combining corresponding to this multipair take-off leverFrame, each heald frame is in transmission connection with a pair take-off lever of corresponding lifter by transferring structure described above, such that it is able toThree positions different on height are driven.
Such as, the weaving loom that disclosure embodiment provides can include that can make described in disclosure any embodiment is combined simultaneouslyFrame has the open device of three positions and heald frame can be made only to have the open device of two positions.Heald frame only has two positionsThe open device put only needs to use a take-off lever in lifter.Such as, weaving loom includes that two heald frames have three positionsThe open device put and two heald frames have the open device of two positions, and lifter includes six take-off levers, wherein fourTake-off lever has the open device of three positions for two heald frames, and two other take-off lever has two positions for two heald framesThe open device put.The most such as, weaving loom includes that two heald frames have open device and four heald frames tool of three positionsHaving the open device of two positions, lifter includes eight take-off levers, and wherein four take-off levers have three for two heald framesThe open device of position, four additional take-off lever has the open device of two positions for four heald frames.
In an embodiment of weaving loom, some heald frames depend in second direction D2 (being perpendicular to the direction of paper in Fig. 1)Secondary arrangement, and D1 (vertical direction) slides to move heald in the first direction in head frame guides, so, the yarn of mobile warp-wise(being guided by harness eye), to form shed open, the yarn of broadwise is embedded in shed open, and so forth to form fabric.
A kind of drive mechanism for weaving loom heald frame, open device and the weaving loom that disclosure embodiment provides, permissibleRealize heald frame to move back and forth between three positions, and cost is relatively low.
Although having used general explanation and detailed description of the invention, the disclosure is made detailed description, butOn the basis of disclosure embodiment, can make some modifications or improvements it, this is apparent to those skilled in the art's.Therefore, these modifications or improvements on the basis of without departing from disclosure spirit, belong to what the disclosure claimedScope.