CN106087179A - Drive mechanism, open device and weaving loom - Google Patents
Drive mechanism, open device and weaving loom Download PDFInfo
- Publication number
- CN106087179A CN106087179A CN201610719337.7A CN201610719337A CN106087179A CN 106087179 A CN106087179 A CN 106087179A CN 201610719337 A CN201610719337 A CN 201610719337A CN 106087179 A CN106087179 A CN 106087179A
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- China
- Prior art keywords
- heald frame
- connecting rod
- flange
- swing arm
- drive mechanism
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C5/00—Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
A kind of drive mechanism, open device and weaving loom, this drive mechanism includes: the first toggle mechanism；Head rod, its first end is connected with the first end pivoting of described first toggle mechanism；Second connecting rod, its first end is connected with the second end pivoting of described first toggle mechanism；First heald frame connection member, its first end is connected with the 3rd end pivoting of described first toggle mechanism, and its second end is for being connected with described heald frame；First swing arm, is connected with the second end pivoting of described head rod；Second swing arm, is connected with the second end pivoting of described second connecting rod；First drive link, its first end is pivotally connected with described first swing arm, and its second end is for being connected with a take-off lever of lifter；And second drive link, its first end is pivotally connected with described second swing arm, and its second end is for being connected with another take-off lever of described lifter.This drive mechanism can realize heald frame and move back and forth between three positions.
Description
Technical field
Embodiment of the disclosure and relate to a kind of drive mechanism, open device and weaving loom.
Background technology
In traditional open device or weaving loom, each heald frame is connected by a take-off lever of drive mechanism with lifter
Connecing, the take-off lever of lifter can move back and forth two positions, thus drives heald frame in upper and lower two positions by drive mechanism
Put reciprocating motion.But, for some fabric (such as velvet stuff), need heald frame to move back and forth between three positions,
There is no at present and simply and effectively realize driving integrated box movement solution three positions.
Summary of the invention
For the problems referred to above, The embodiment provides a kind of drive mechanism, open device and weaving loom, with letter
Singly, it is effectively realized at three positions driving integrated box movements, and the most also can be with existing open device and weaving
Machine 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；First
Connecting rod, its first end is connected with the first end pivoting of described first toggle mechanism；Second connecting rod, its first end and described the
Second end pivoting of one toggle mechanism connects；First heald frame connection member, its first end and the 3rd of described first toggle mechanism
End 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 rod
Connect；Second swing arm, is connected with the second end pivoting of described second connecting rod；First drive link, its first end and described the
One 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 end
Pivotally 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 first
First swivel joint of end, the first end of described head rod is connected with described first swivel joint；Described first toggle machine
Structure 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 even
Connect；Described first toggle mechanism includes the 3rd swivel joint being arranged on its 3rd end, the of described first heald frame connection member
One 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 first
Swivel joint is connected by double cone system；First end of described second connecting rod and described second swivel joint pass through double cone
System 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 triangle
Close；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 machine
Structure, described head rod can be split as two sections at described first length adjustment mechanism；And/or described second connecting rod includes
Second 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 second
The length of connecting rod.
Such as, in the drive mechanism that disclosure embodiment provides, described first swing arm and described second swing arm tool
There is identical swinging axle.
Such as, in the drive mechanism that disclosure embodiment provides, described first heald frame connection member includes that heald frame connects
Bar 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, described
Second end of heald frame connecting rod is releasably secured together with described heald frame adapter, and described heald frame adapter is for described
Heald frame connects.
Such as, disclosure embodiment provide drive mechanism in, described first toggle mechanism include the first flange, second
Flange 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 and
Between two flanges.
Such as, disclosure embodiment provide drive mechanism in, described first flange, described second flange and described in
Heart reinforcement feature is fixed together.
Such as, in the drive mechanism that disclosure embodiment provides, described head rod includes the first kink, described
Second connecting rod includes the second kink, the overbending direction of described first kink and the overbending direction phase of described second kink
Instead.
Such as, in the drive mechanism that disclosure embodiment provides, the size and described the of described first kink bending
The size of two kink bendings is equal to the spacing in described first sway bar center face and described second sway bar center face
Half.
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, described
One center support and described second center support may be contained within described first face-flange and described second face-flange it
Between, described first collateral support part is arranged at side contrary with described first center support on described first face-flange, institute
State the second collateral support part and be arranged at side contrary with described second center support on described second face-flange, described first
First end of connecting rod is pivotally connected with described first center support and described first collateral support part, described second connecting rod
First end is pivotally connected with described second center support and described second collateral support part, described first face-flange, described
Two face-flanges, described first center support, described first collateral support part, described second center support and described second
Collateral support part is fixed together.
Such as, in the drive mechanism that disclosure embodiment provides, described first face-flange median plane and described second
Distance between face-flange median plane is equal between described first sway bar center face and described second sway bar center face
Distance.
Such as, the drive mechanism that disclosure embodiment provides, also include: the second toggle mechanism；3rd connecting rod, it is first years old
End is connected with the first end pivoting of described second toggle mechanism；4th connecting rod, its first end and described second toggle mechanism
Second end pivoting connects；Second heald frame connection member, its first end is connected with the 3rd end pivoting of described second toggle mechanism, its
Second 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 swings
Bar, is connected with the second end pivoting of described 4th connecting rod；3rd drive link, respectively with described first swing arm and the described 3rd
Swing 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 embodiment
Drive 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 frame
Connection member connects, and wherein, the second end of described first drive link is pivotally connected with described first take-off lever；Described second transmission
Second 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 are
The 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 arm
Median 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, extremely
Each in few two described heald frames is connected with two take-off levers of described lifter by described drive mechanism, and at least
Each 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.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of disclosure embodiment, below will be in embodiment or description of Related Art
The required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below merely relates to some of the disclosure
Embodiment, restriction the most of this disclosure.
Fig. 1 is the structural representation of a kind of open device that disclosure embodiment provides；
Fig. 2 is one of schematic diagram of section components in a kind of drive mechanism that disclosure embodiment provides；
Fig. 3 be disclosure embodiment provide a kind of drive mechanism in section components schematic diagram two；
Fig. 4 A is the schematic diagram that in a kind of open device that disclosure embodiment provides, heald frame is in the first height and position；
Fig. 4 B is the schematic diagram that in a kind of open device that disclosure embodiment provides, heald frame is in the second height and position；With
And
Fig. 4 C is the schematic diagram that in a kind of open device that disclosure embodiment provides, heald frame is in third height position.
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 attached
The 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 implemented
Example 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.This
The open description eliminating known materials, assembly and Technology, thus do not make the example embodiment of the disclosure obscure.Given
Example be only intended to beneficially understand the enforcement of disclosure example embodiment, and enable those skilled in the art real further
Execute 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 art
Inside there is the ordinary meaning that the personage of general technical ability is understood." first ", " second " and the similar word used in the disclosure
Language is not offered as any order, quantity or importance, and is used only to distinguish different ingredients.Additionally, in the disclosure
In 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 weaving
Machine, 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 carry
For 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 paper
Direction (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 biography
Dynamic structure 100 includes: the first toggle mechanism 111；Head rod 121, its first end and the first end of the first toggle mechanism 111
Pivotally connected；Second end pivoting of the second connecting rod 122, its first end and the first toggle mechanism 111 connects；First heald frame connects
3rd 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 122
Second 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 carries
The 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 pendulum
Lever 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 includes
Being 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 and
Two swivel joint 111B connect；First toggle mechanism 111 includes the 3rd swivel joint 111C being arranged on its 3rd end, and first combines
First 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 122
Swivel joint 111B is connected by double cone system 160；First end and the first swivel joint 111A of head rod 121 pass through
Mutually isostructural double cone system connects；First end and the 3rd swivel joint 111C of the first heald frame connection member 131 pass through phase
Isostructural 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 to
Pivotally 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 rotates
The rotary shaft of joint 111A) overlap with the first base angle 171 of a virtual isosceles triangle 170；Second swivel joint 111B's
Axle overlaps with the second base angle 172 of virtual isosceles triangle 170；The axle of the 3rd swivel joint 111C and virtual isosceles triangle
The 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 wrap
Including the first length adjustment mechanism 1211, described head rod can be split as two sections at described first length adjustment mechanism；The
Two connecting rods 122 can include the second length adjustment mechanism 1221, and described second connecting rod can be from described second length adjustment machine
Two 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, its
In 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 mechanism
Distance 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 frame
Show, concrete detailed description afterwards.
Such as, in the drive mechanism 100 that disclosure embodiment provides, length L1 of head rod 121 is less than second
Length 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 made
D1 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 the
Three 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 122
Degree L2, with ensure head rod be in higher position and the second connecting rod be under lower position state with head rod at
Being 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 have
There 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 190
Dynamic.
Such as, in the drive mechanism 100 that disclosure embodiment provides, the first heald frame connection member 131 includes that heald frame is even
Extension 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 111
Connecting, the second end of heald frame connecting rod 1311 is releasably secured together with heald frame adapter 1312, heald frame adapter 1312
For 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 removably
It 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 mechanism
111 include first flange the 1111, second flange 1112 and connect the center reinforcing of the first flange 1111 and the second flange 1112
Parts 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 131
One 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 pair
Claiming structure, first flange the 1111, second flange 1112 and center reinforcement feature 1113 are fixed together.Such as, the first flange
1111, 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 even
Extension 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 curved
The 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 bending
Size 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 plane
Half from L5.
Such as, the first kink 1212 second direction D2 along Fig. 1 bends to being perpendicular to paper inward direction；Second is curved
Folding 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 curved
Size 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 141
Spacing 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 121
First 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 flange
1112 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 and
Two 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 curved
The 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 elbow
The 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. 3
Shown in, in another example of the drive mechanism 100 of disclosure embodiment offer, the first toggle mechanism 111 includes that first is flat
Face flange the 1114, second face-flange the 1115, first center support 1116, first collateral support part the 1117, second central supported
Portion 1118 and the second collateral support part 1119.First toggle mechanism 111 can have centrosymmetric structure, the first center support
1116 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 1114
With second between face-flange 1115, the two is symmetrical relative to structure centre mutual centre).First collateral support part 1117 is arranged at
Side 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 second
Side contrary with the second center support 1118 on face flange 1115.First end and first center of head rod 121 are propped up
Support 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 1118
Pivotally connected with the second collateral support part 1119.First face-flange the 1114, second face-flange the 1115, first center support
1116, 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, second
Heart 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 process
Distance 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 second
Distance 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；The
First end pivoting of three connecting rods 123, its first end and the second toggle mechanism 112 connects；4th connecting rod 124, its first end
It 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 mechanism
3rd 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 123
Second end pivoting connects；4th swing arm 144, is connected with the second end pivoting of the 4th connecting rod 124；3rd drive link 153, point
Not 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 arm
142 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 141
Driving 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 3rd
Swing 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, enters
And 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 arm
142 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 the
Four 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 pendulum
Being 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 rod
121 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 make
First 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 200
Motion.
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 portion
Part (not shown in figure 1), thus longer heald frame (longer at third direction D3) is provided stable support, the 3rd toggle mechanism
And 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 set
To 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 one
The 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 defeated
Rod 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 output
Bar 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 passes
Regulation 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 P1
It 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 rod
Second 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 122
Heald 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 P2
It 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, another
When 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 top
As 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 111
Height 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 respectively
End 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 the
D1 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, and
And move at third direction D3 (horizontal direction), so, it is necessary to length L1 of head rod 121 is less than the second connecting rod
Length 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 P3
It 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 rod
Second 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 122
Heald 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 lifter
Order realizes), it is possible to achieve heald frame arrives in three positions in throwing a spear every time, and realizes heald frame between three positions
Move 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 high
Degree 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 formed
It 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 are
The 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 200
Distance 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 200
Between 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 141
Center 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 lifter
The 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 frame
200, each at least two heald frame 200 is connected with two take-off levers of lifter 300 by drive mechanism 100, and
At 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 convex
Turbine, 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.Example
As, 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 lever
Frame, 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 to
Three 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 simultaneously
Frame 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 positions
The open device put only needs to use a take-off lever in lifter.Such as, weaving loom includes that two heald frames have three positions
The open device put and two heald frames have the open device of two positions, and lifter includes six take-off levers, wherein four
Take-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 frames
The open device put.The most such as, weaving loom includes that two heald frames have open device and four heald frames tool of three positions
Having the open device of two positions, lifter includes eight take-off levers, and wherein four take-off levers have three for two heald frames
The 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, permissible
Realize 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, but
On 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 claimed
Scope.
Claims (21)
1. for a drive mechanism for weaving loom heald frame, including:
First toggle mechanism；
Head rod, its first end is connected with the first end pivoting of described first toggle mechanism；
Second connecting rod, its first end is connected with the second end pivoting of described first toggle mechanism；
First heald frame connection member, its first end is connected with the 3rd end pivoting of described first toggle mechanism, and its second end is used for
It is connected with described heald frame；
First swing arm, is connected with the second end pivoting of described head rod；
Second swing arm, is connected with the second end pivoting of described second connecting rod；
First drive link, its first end is pivotally connected with described first swing arm, and its second end is for defeated with the one of lifter
Rod connects；And
Second drive link, its first end is pivotally connected with described second swing arm, another for described lifter of its second end
One take-off lever connects.
Drive mechanism the most according to claim 1, wherein,
Described first toggle mechanism includes the first swivel joint being arranged on its first end, the first end of described head rod with
Described first swivel joint connects；
Described first toggle mechanism includes the second swivel joint being arranged on its second end, the first end of described second connecting rod with
Described second swivel joint connects；
Described first toggle mechanism includes the 3rd swivel joint being arranged on its 3rd end, the of described first heald frame connection member
One end is connected with described 3rd swivel joint.
Drive mechanism the most according to claim 2, wherein,
First end of described head rod is connected by double cone system with described first swivel joint；
First end of described second connecting rod is connected by double cone system with described second swivel joint；
First end of described first heald frame connection member is connected by double cone system with described 3rd swivel joint.
Drive mechanism the most according to claim 2, wherein,
The axle of described first swivel joint and the first base angle of a virtual isosceles triangle overlap；
The axle of described second swivel joint overlaps with the second base angle of described virtual isosceles triangle；
The axle of described 3rd swivel joint overlaps with the drift angle of described virtual isosceles triangle.
Drive mechanism the most according to claim 1, wherein, described head rod includes the first length adjustment mechanism, institute
State head rod and can be split as two sections at described first length adjustment mechanism；And/or described second connecting rod includes second
Length adjustment mechanism, described second connecting rod can be split as two sections at described second length adjustment mechanism.
Drive mechanism the most according to claim 1, wherein, the length of described head rod is less than described second connecting rod
Length.
Drive mechanism the most according to claim 1, wherein, described first swing arm and described second swing arm have identical
Swinging axle.
Drive mechanism the most according to claim 1, wherein, described first heald frame connection member includes heald frame connecting rod and combines
Frame adapter, the first end of described heald frame connecting rod is connected with the 3rd end pivoting of described first toggle mechanism, and described heald frame is even
Second end of extension bar is releasably secured together with described heald frame adapter, and described heald frame adapter is for described heald frame even
Connect.
9. according to the drive mechanism described in any one of claim 1-8, wherein, described first toggle mechanism include the first flange,
Second flange and connect described first flange and the center reinforcement feature of described second flange, the first of described head rod
End, the first end of the first end of described second connecting rod and described first heald frame connection member may be contained within described first flange and
Between second flange.
Drive mechanism the most according to claim 9, wherein, described first flange, described second flange and described center add
Gu parts are fixed together.
11. drive mechanisms according to claim 9, wherein, described head rod includes the first kink, described second
Connecting rod includes the second kink, and the overbending direction of described first kink and the overbending direction of described second kink are contrary.
12. drive mechanisms according to claim 11, wherein, the size of described first kink bending and described second curved
The size of folding part bending is equal to the half of the spacing in described first sway bar center face and described second sway bar center face.
13. according to the drive mechanism described in any one of claim 1-8, and wherein, described first toggle mechanism includes the first plane
Flange, the second face-flange, the first center support, the first collateral support part, the second center support and the second collateral support part,
Described first center support and described second center support may be contained within described first face-flange and described second
Between face-flange,
Described first collateral support part is arranged at side contrary with described first center support on described first face-flange,
Described second collateral support part is arranged at side contrary with described second center support on described second face-flange,
First end of described head rod is pivotally connected with described first center support and described first collateral support part,
First end of described second connecting rod is pivotally connected with described second center support and described second collateral support part,
Described first face-flange, described second face-flange, described first center support, described first collateral support part, institute
State the second center support and described second collateral support part is fixed together.
14. drive mechanisms according to claim 13, wherein, described first face-flange median plane and described second plane
Distance between flange center face is equal to the distance between described first sway bar center face and described second sway bar center face.
15., according to the drive mechanism described in any one of claim 1-8, also include:
Second toggle mechanism；
3rd connecting rod, its first end is connected with the first end pivoting of described second toggle mechanism；
4th connecting rod, its first end is connected with the second end pivoting of described second toggle mechanism；
Second heald frame connection member, its first end is connected with the 3rd end pivoting of described second toggle mechanism, and its second end is used for
It is connected with described heald frame；
3rd swing arm, is connected with the second end pivoting of described 3rd connecting rod；
4th swing arm, is connected with the second end pivoting of described 4th connecting rod；
3rd drive link, pivotally connected with described first swing arm and described 3rd swing arm respectively；And
4th drive link, pivotally connected with described second swing arm and described 4th swing arm respectively.
16. 1 kinds of open devices, including:
At least one drive mechanism as described in any one of claim 1-15；
At least one lifter, it includes the first take-off lever and the second take-off lever；And
Heald frame, is connected with described first heald frame connection member, wherein,
Second end of described first drive link is pivotally connected with described first take-off lever；
Second end of described second drive link is pivotally connected with described second take-off lever.
17. open devices according to claim 16, wherein, described first take-off lever and described second take-off lever are described
The take-off lever that lifter is adjacent.
18. open devices according to claim 16, wherein, in the median plane of described heald frame and described first swing arm
Distance between heart face is equal to the distance between median plane and the median plane of described second swing arm of described heald frame.
19. according to the open device described in any one of claim 16-18, and wherein, described lifter is configured to drive multiple
Heald frame, each in heald frame described at least two is connected with two take-off levers of described lifter by described drive mechanism,
And at least each in two other described heald frame is only connected with a take-off lever of described lifter.
20. according to the open device described in any one of claim 16-18, and wherein, described lifter includes rotary dobby
Or cam machine.
21. 1 kinds of weaving looms, including the open device as described in any one of claim 16-20.
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| CN201610719337.7A CN106087179B (en) | 2016-08-24 | 2016-08-24 | Drive mechanism, open device and weaving loom |
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| CN201610719337.7A CN106087179B (en) | 2016-08-24 | 2016-08-24 | Drive mechanism, open device and weaving loom |
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| CN105908320A (en) * | 2016-06-12 | 2016-08-31 | 苏州易利耐机电科技有限公司 | Heald frame static force and inertia force balancing mechanism |
| CN108588950A (en) * | 2018-04-03 | 2018-09-28 | 西安工程大学 | A kind of multipage heald frame shedding mechanism of three dimensional separation loom |
| CN109576859A (en) * | 2018-12-31 | 2019-04-05 | 江苏莱纳多智能装备有限公司 | A kind of loom servo type dobby shedding mechanism |
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| Publication number | Publication date |
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| CN106087179B (en) | 2018-01-30 |
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