A kind of anti-skidding thread guide device
Technical field
The present invention relates to textile technology field, and in particular to textile machine equipment.
Background technology
During cross machine knitting, yarn guide comes and goes with the trundle on head and moved in parallel, in order to prevent yarn guide from sliding
Go out guide rail and meet the requirement that different fabric widths are woven on uniform machinery, it is necessary to yarn guide shifting is limited using stopping means
Dynamic stroke, makes it be stopped in fabric edge, and when yarn guide changes direction, it is ensured that yarn guide reenters operating position.
Prior art is typically adopted the following technical scheme that:The groove for being available for trundle to stretch into is opened up on yarn guide, it is described
Trundle can make elevating movement in the presence of elastomeric element, and the trundle stretches into the groove of yarn guide, and then drives guide
Device is translated along guide rail, and the inner side of groove two is inclined-plane, is stopped when yarn guide is limited device, trundle continues to move ahead, and edge
Inclined-plane rises, and then departs from yarn guide, and when yarn guide need to commutate translation, the groove that trundle stretches into yarn guide again drives guide
Device is translated, and departs from yarn guide in above-mentioned same mode.
Although above-mentioned technical proposal can prevent yarn guide from skidding off guide rail, and meet different fabrics are woven on uniform machinery
The requirement of width, still, the trundle may accidentally slide out yarn guide in the course of the work, and its reason is yarn guide
On two inclined-planes that have of the groove that opens up, gradient, the weight of yarn guide itself, the speed of trundle operation on the inclined-plane
Trundle can be caused to be inadvertently detached from yarn guide during yarn guide is driven, and then influence the normal work of yarn guide.
The content of the invention
Technical problem solved by the invention:During cross machine knitting, how to prevent drive disk assembly from departing from yarn guide.
In order to solve the above technical problems, the present invention provides following technical scheme:A kind of anti-skidding thread guide device, including slip are matched somebody with somebody
Close yarn guide on guide slide rail, to be arranged on the guide limited on guide slide rail the operation amplitude of yarn guide spacing
Block, stir the drive rod that yarn guide is run along guide slide rail;Guide gap, the left and right two of guide gap are opened up at the top of yarn guide
Sidewall slope, the drive rod stretches into the guide gap and drives yarn guide to be moved left and right along guide slide rail;The drive rod
Including pipe fitting and the movable plug-in unit plugged in the tube, plug-in unit is downwardly projected pipe fitting, and the bottom of pipe fitting is provided with friction stopping device;
Friction stopping device is included on the solution lock slide that the brake(-holder) block of friction catch is carried out to plug-in unit, is linked with brake(-holder) block, solution lock slide
Open up curved groove;The guide slide rail is provided with the trip lever with the curved groove matching design, and trip lever is spacing close to guide
Block.
By above-mentioned technical proposal, the operation principle of anti-skidding thread guide device of the present invention is as follows:In the driving of drive device
Under, drive rod or so is moved back and forth;Initially, brake(-holder) block friction catch plug-in unit, limitation plug-in unit stretches in the tube, in guide gap
Middle plug-in unit drives yarn guide to be moved to the left along guide slide rail against the left side wall of guide gap;When yarn guide leading close to left side
During yarn limited block, solution lock slide upper curve groove coordinates with the trip lever, i.e., trip lever slips into the curved groove, and drives unblock
Sliding block is moved, brake(-holder) block linkage, is disengaged with plug-in unit;, can be in the tube when yarn guide touches the guide limited block in left side
The inserted link moved freely is up along the inclined left side wall inclination of guide gap, and plug-in unit is stretched into pipe fitting, and plug-in unit bottom is completely disengaged from
Guide gap, synchronously, trip lever also depart from curved groove, and brake(-holder) block resets and brakes plug-in unit again;Afterwards, drive rod moves right
Dynamic, the curved groove coordinates with trip lever again, and brake(-holder) block is disengaged with plug-in unit again, and plug-in unit declines with respect to pipe fitting and stretches into and lead
In yarn gap;Afterwards, trip lever departs from curved groove, and brake(-holder) block resets and brakes plug-in unit;Drive rod moves right and slitted with guide
The right side wall contact of mouth, and drive yarn guide right lateral;Yarn guide to right side guide limited block when, friction stopping device braking insert
The principle of part and unblock plug-in unit is same as friction stopping device braking plug-in unit during above-mentioned yarn guide to left side guide limited block and conciliate
Lock the principle of plug-in unit.
By above-mentioned technical proposal, during plug-in unit driving yarn guide is moved left and right in drive rod, plug-in unit is locked, it is impossible to
Relative to pipe fitting movement, it so, it is possible to be prevented effectively from drive rod and skidded off from the guide gap of yarn guide;Plug-in unit drives in drive rod
When yarn guide is moved left and right to guide limited block, plug-in unit is unlocked, and plug-in unit is relative under the guiding of guide gap sloped sidewall
Pipe fitting rises, and leaves guide gap.
Spring is provided with pipe fitting, spring is pressed on the end face of plug-in unit, spring makes plug-in unit have the trend for ejecting pipe fitting.
As one kind explanation of friction stopping device, the brake(-holder) block includes the first semicircular ring and the being arranged on base
Two semicircular rings;First semicircular ring and the second semicircular ring are symmetrically arranged on the left and right sides of plug-in unit, the tail of the first semicircular ring
The tail end of end and the second semicircular ring is hinged on base, the head end elastic connection of the head end of the first semicircular ring and the second semicircular ring,
First semicircular ring, the second semicircular ring and plug-in unit CONTACT WITH FRICTION;The solution lock slide is slidably fitted on base;The solution lock slide
Between the head end of the first semicircular ring and the head end of the second semicircular ring;The floor installation is on pipe fitting.
By the above-mentioned explanation to friction stopping device, the operation principle of the friction stopping device is as follows:Trip lever is caught in
The curved groove, radial direction of the driving solution lock slide along plug-in unit moves linearly (close to its center direction), and solving lock slide makes the
The head end of one semicircular ring and the head end of the second semicircular ring are located remotely from each other, in this way, the first semicircular ring, the second semicircular ring no longer with plug-in unit
CONTACT WITH FRICTION, i.e. plug-in unit are no longer locked;Afterwards, plug-in unit bottom contact guide gap on the left of sloped sidewall and along thereon
Rise, in plug-in unit retraction pipe fitting;The trip lever is left after curved groove, and solution lock slide is resetted, and plug-in unit is braked;Afterwards, drive rod
Reverse movement, during by sloped sidewall on the left of guide gap, trip lever coordinates with curved groove again, is in freely using plug-in unit
State, plug-in unit stretches out pipe fitting and stretched into guide gap, and afterwards, trip lever is disengaged with curved groove, and plug-in unit is locked again.
The base is provided with articulated column, and the tail end of first semicircular ring and the tail end of the second semicircular ring are hinged on described
On articulated column;The head end of first semicircular ring and the head end of the second semicircular ring pass through adjustable spring elastic connection.
As further illustrating for friction stopping device, the head end of the first semicircular ring is provided with the first extension, the first extension
The first V-arrangement chute is opened up in portion;The head end of second semicircular ring, which is provided with the second extension, the second extension, opens up the second V-arrangement cunning
Groove, the first V-arrangement chute and the second V-arrangement chute are symmetrical set;Solve lock slide and be provided with the first slide bar and the second slide bar, it is described
First slide bar coordinates in the first V-arrangement chute, and second slide bar coordinates in the second V-arrangement chute;Opened on base
If linear sliding block chute, solution lock slide is slidably fitted in the sliding block chute;First V-arrangement chute is slided by first linear
Groove and Article 2 linear chute are combined, wherein, first linear chute is parallel with the sliding block chute;The curve
Groove is domed, and curved groove is made up of the first deep-slotted chip breaker, straight-line groove, the second deep-slotted chip breaker of tandem array;The trip lever is described
During being slided in curved groove, solution lock slide moves linearly along the sliding block chute, and the first slide bar on solution lock slide is first
The Article 2 linear chute is slipped into by first linear chute, the head end of the first semicircular ring and the second semicircular ring
Head end is mutually drawn close, afterwards, and the first slide bar on solution lock slide slips into described first directly by the Article 2 linear chute
Linear chute, the head end of the first semicircular ring and the head end of the second semicircular ring are located remotely from each other.
Friction stopping device is further illustrated by above-mentioned, trip lever is passed by the first deep-slotted chip breaker of curved groove, unblock is slided
Block is moved to close to its center direction, i.e. the first slide bar slips into the Article 2 linear by first linear chute
The head end of chute, the head end of the first semicircular ring and the second semicircular ring is located remotely from each other, and no longer brakes plug-in unit;Trip lever is passed by straight line
Groove, solves lock slide remains stationary;Trip lever is passed by the second deep-slotted chip breaker, and the first slide bar slips into institute by the Article 2 linear chute
State first linear chute, the head end of the head end of the first semicircular ring and the second semicircular ring is mutually drawn close and resetted, and brakes again
Plug-in unit.
Further illustrated as to friction stopping device, the bottom of the first extension is provided with first time convex portion, and second prolongs
The bottom of extending portion is provided with to open up on second time convex portion, first time convex portion opens up the second lockhole on the first lockhole, second time convex portion;Solution
Lock slide is provided with the first upper convex portion and the second upper convex portion, and the first upper convex portion is provided with the first lock pin, and the second upper convex portion is provided with
Second lock pin, the first lock pin and the second lock pin are laterally set;First slide bar is arranged on the top of the first upper convex portion, described
Two slide bars are arranged on the top of second upper convex portion, and the first slide bar and the second slide bar, which are erect, to be set;First slide bar is by institute
The process that Article 2 linear chute slips into first linear chute is stated, is exactly the first lock pin insertion first lock
The process of second lockhole is inserted in hole, the second lock pin.
Friction stopping device is further illustrated by above-mentioned, the first slide bar on solution lock slide is by the Article 2 straight line
Shape chute slips into first linear chute, synchronously, and the first lock pin inserts first lockhole, afterwards, trip lever from
Open curve groove, in this way, solution lock slide and the first semicircular ring, the second semicircular ring are because of the first lock pin insertion first lockhole, second
Lock pin inserts second lockhole and is locked.
Extension spring is provided between the base and the solution lock slide.Trip lever is left after the curved groove, in stretching
In the presence of spring, solution lock slide resets.Trip lever is run in the curved groove, solution lock slide movement, makes the stretching bullet
The flexible potential energy of spring.
The length of the straight-line groove of curved groove is more than or equal to the horizontal length of guide gap left side wall, the straight-line groove of curved groove
Length be more than or equal to guide gap right side wall horizontal length.The horizontal length of guide gap left side wall, refers to, inclined
The length of the projection of left side wall in the horizontal plane.Similarly, the horizontal length of guide gap right side wall, refers to, inclined right side wall
The length of projection in the horizontal plane.As described above, trip lever is run in straight-line groove, and solution lock slide keeps unlocking plug-in unit
State, under such a state, plug-in unit rises along guide gap sloped sidewall, i.e. plug-in unit retraction pipe fitting, and plug-in unit covers guide gap
Sloped sidewall, plug-in unit can be just locked.
Brief description of the drawings
The present invention is described further below in conjunction with the accompanying drawings:
Fig. 1 is a kind of structural representation of anti-skidding thread guide device of the present invention;
Fig. 2 is Fig. 1 right view;
Fig. 3 is enlarged drawing at A in Fig. 1;
Fig. 4 is enlarged drawing at B in Fig. 2;
Fig. 5 is enlarged drawing at C in Fig. 4;
Fig. 6 is the structural representation for observing the gained of friction stopping device 40 in Fig. 3 from below;
Fig. 7 is enlarged drawing at D in Fig. 6;
Fig. 8 is the structural representation of solution lock slide 44 in Fig. 6;
Fig. 9 is Fig. 8 upward view;
Figure 10 is Fig. 9 right view.
Symbol description in figure:
10th, yarn guide;11st, guide gap;12nd, yarn guide main body;13rd, arm;14th, feed;
20th, guide slide rail;21st, guide limited block;22nd, trip lever;
40th, friction stopping device;41st, base;42nd, the first semicircular ring;43rd, the second semicircular ring;44th, lock slide is solved;46th, it is bent
Wire casing;461st, the first deep-slotted chip breaker;462nd, straight-line groove;463rd, the second deep-slotted chip breaker;47th, articulated column;48th, adjustable spring;49th, first prolongs
Extending portion;50th, the first V-arrangement chute;51st, first linear chute;52nd, Article 2 linear chute;53rd, the first slide bar;54th,
Two slide bars;55th, sliding block chute;56th, first time convex portion;57th, the first upper convex portion;58th, the second upper convex portion;59th, the first lock pin;
70th, drive rod;71st, pipe fitting;72nd, plug-in unit.
Embodiment
Detailed description below is referring to figs. 1 to Figure 10
A kind of anti-skidding thread guide device, including be slidably fitted on guide slide rail 20 yarn guide 10, be arranged on guide slide rail
On the operation amplitude of yarn guide is limited guide limited block 21, stir the drive rod that yarn guide is run along guide slide rail
70;Guide gap 11 is opened up at the top of yarn guide, the left and right sides wall of guide gap is tilted, and the drive rod stretches into the guide
Gap simultaneously drives yarn guide to be moved left and right along guide slide rail.
The drive rod includes pipe fitting 71 and the movable plug-in unit 72 plugged in the tube, and plug-in unit is downwardly projected pipe fitting, pipe fitting
Bottom be provided with friction stopping device 40;Friction stopping device includes the brake(-holder) block and brake(-holder) block that friction catch is carried out to plug-in unit
Curved groove 46 is opened up on the solution lock slide 44 of linkage, solution lock slide;The guide slide rail is provided with to coordinate with the curved groove and set
The trip lever 22 of meter, trip lever is close to guide limited block.
Spring is provided with pipe fitting 71, spring is pressed on the end face of plug-in unit 72, spring makes plug-in unit have becoming for ejection pipe fitting
Gesture.
On friction stopping device 40, the brake(-holder) block includes the first semicircular ring 42 being arranged on base 41 and the second half
Annulus 43;First semicircular ring and the second semicircular ring are symmetrically arranged on the left and right sides of plug-in unit 72, the tail of the first semicircular ring
The tail end of end and the second semicircular ring is hinged on base 41, and the head end elasticity of the head end of the first semicircular ring and the second semicircular ring is even
Connect, the first semicircular ring, the second semicircular ring and plug-in unit CONTACT WITH FRICTION.
On friction stopping device 40, the solution lock slide 44 is slidably fitted on base;The solution lock slide is located at the
Between the head end of one semicircular ring and the head end of the second semicircular ring;The floor installation is on pipe fitting.
On friction stopping device 40, the base 41 is provided with articulated column 47, the tail end of first semicircular ring 42 and
The tail end of second semicircular ring 43 is hinged on the articulated column;The head end of first semicircular ring and the head end of the second semicircular ring are logical
Cross the elastic connection of adjustable spring 48.
On friction stopping device 40, the head end of the first semicircular ring 42, which is provided with the first extension 49, the first extension, to be opened
If the first V-arrangement chute 50;The head end of second semicircular ring is provided with the second extension, the second extension and opens up the second V-arrangement chute, the
One V-arrangement chute and the second V-arrangement chute are symmetrical set.
On friction stopping device 40, solution lock slide 44 is provided with the first slide bar 53 and the second slide bar 54, and described first slides
Bar coordinates in the first V-arrangement chute, and second slide bar coordinates in the second V-arrangement chute.
On friction stopping device 40, linear sliding block chute 55 is opened up on base 41, solution lock slide is slidably fitted in institute
State in sliding block chute.
On friction stopping device 40, the first V-arrangement chute is by first linear chute 51 and Article 2 linear chute
52 combine, wherein, first linear chute is parallel with the sliding block chute.
On friction stopping device 40, the curved groove 46 is domed, curved groove by tandem array the first deep-slotted chip breaker
461st, straight-line groove 462, the second deep-slotted chip breaker 463 are constituted.
On friction stopping device 40, during the trip lever 22 is slided in the curved groove, lock slide edge is solved
The first slide bar on sliding block chute rectilinear movement, solution lock slide slips into described the by first bar of linear chute first
Two linear chutes, the head end of the first semicircular ring and the head end of the second semicircular ring are mutually drawn close, afterwards, and the on solution lock slide
One slide bar slips into first linear chute by the Article 2 linear chute, the head end of the first semicircular ring and the second half
The head end of annulus is located remotely from each other.
On friction stopping device 40, the bottom of the first extension 49 is provided with first time convex portion 56, the bottom of the second extension
Portion is provided with to open up on second time convex portion, first time convex portion opens up the second lockhole on the first lockhole, second time convex portion.
On friction stopping device 40, solution lock slide 44 is provided with the first upper convex portion 57 and the second upper convex portion 58, first
Convex portion is provided with the first lock pin 59, and the second upper convex portion is provided with the second lock pin, and the first lock pin and the second lock pin are laterally set;It is described
First slide bar 53 is arranged on the top of the first upper convex portion, and second slide bar 54 is arranged on the top of second upper convex portion, the
One slide bar and the second slide bar, which are erect, to be set.
On friction stopping device 40, first slide bar slips into described first by the Article 2 linear chute 52
The process of linear chute 51, is exactly that the first lock pin inserts the mistake that first lockhole, the second lock pin insert second lockhole
Journey.
On friction stopping device 40, extension spring is provided between the base 41 and the solution lock slide 44.
On friction stopping device 40, the length of the straight-line groove 462 of curved groove 46 is more than or equal to guide gap left side wall
Horizontal length, the length of the straight-line groove of curved groove is more than or equal to the horizontal length of the right side wall of guide gap 11.
In practical operation, the workflow of anti-skidding thread guide device of the present invention is as follows:
First, under the driving of drive device, drive rod 70 or so is moved back and forth.
Second, initially, the first semicircular ring 42 and the locking plug-in unit of the second semicircular ring 43 and friction catch plug-in unit 72 limit plug-in unit
Stretched in pipe fitting 71, in guide gap 11, plug-in unit drives yarn guide along guide slide rail against the left side wall of guide gap
It is moved to the left.
3rd, when guide limited block 21 of the yarn guide 10 close to left side, the upper curve groove 46 of solution lock slide 44 and the solution
Locking bar 22 coordinates, and driving solution lock slide 44 is moved, and solution lock slide struts the first semicircular ring 42 and the elasticity of the second semicircular ring 43 connects
End is connect, the first semicircular ring 42 and the second semicircular ring 43 are disengaged with plug-in unit 72.
4th, when yarn guide 10 touches the guide limited block 21 in left side, the edge of inserted link 72 that can be moved freely in the tube
The inclination of the inclined left side wall of guide gap 11 is up, and plug-in unit 72 is stretched into pipe fitting 71, and plug-in unit bottom completely disengages from guide gap 11,
Synchronously, trip lever 22 also departs from curved groove 46, and the first semicircular ring 42 and the second semicircular ring 43 reset and brake plug-in unit again.
5th, drive rod 70 moves right, and the curved groove 46 coordinates with trip lever 22 again, the first semicircular ring 42 and
Two semicircular rings 43 are disengaged with plug-in unit 72 again, and plug-in unit declines with respect to pipe fitting 71 and stretched into guide gap 11.
6th, trip lever 22 departs from curved groove 46, and the first semicircular ring 42 and the second semicircular ring 43 reset and brake plug-in unit 72.
7th, drive rod 70 moves right and contacted with the right side wall of guide gap 11, and drives the right lateral of yarn guide 10;Lead
Yarn device 10 to right side guide limited block 21 when, friction stopping device 40 braking plug-in unit 72 and unblock plug-in unit principle be same as
The principle of friction stopping device braking plug-in unit and unblock plug-in unit when stating yarn guide 10 to left side guide limited block.
Above content is only the better embodiment of the present invention, for one of ordinary skill in the art, according to the present invention
Thought, will change in specific embodiments and applications, this specification content should not be construed as to this hair
Bright limitation.