CN204325682U - A kind of yarn clamp device - Google Patents
A kind of yarn clamp device Download PDFInfo
- Publication number
- CN204325682U CN204325682U CN201420764609.1U CN201420764609U CN204325682U CN 204325682 U CN204325682 U CN 204325682U CN 201420764609 U CN201420764609 U CN 201420764609U CN 204325682 U CN204325682 U CN 204325682U
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- yarn
- locking plate
- thread tension
- slide
- tooth bar
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Abstract
The utility model discloses a kind of yarn clamp device, comprise yarn holder, yarn clip, it is characterized in that: on yarn holder, be provided with the sliding tray communicated up and down, chamfering is provided with at the upper end open place of sliding tray, gear is arranged in yarn holder, tooth bar and slide are all installed in the sliding tray of yarn holder, and rack and pinion is meshed, and slide is connected with tooth bar by extension spring; Yarn clip comprises thread tension disc, middle thread tension disc, lower thread tension disc, three thread tension discs are all installed on tooth bar by axle position bolt, a breach is provided with in lower thread tension disc, locking plate and lower thread tension disc in the same plane, one end of locking plate is tip, the other end of locking plate is semicircular arc, and the tip of locking plate matches with the breach of lower thread tension disc, and the semicircular arc of locking plate matches with the chamfering on yarn holder; The utility model has to cloth planar coil the problem involved when solving the work of yarn folder.
Description
technical field:
The utility model belongs to flat machine field, particularly relates to a kind of yarn clamp device, and its use coordinates with scissors.
background technology:
In existing flat machine, Computerized flat knitting machine more and more moves towards automation and high-endization, also more and more higher to the requirement of knitting cloth cover quality, in our domestic straight-bar machines, the impact of yarn clip scissors on cloth planar coil is larger, but does not cause enough attention.
In existing yarn clip scissors, the position that yarn is clipped in clamp is the peak risen at clip, basic and the yarn mouth feed of peak is in sustained height, yarn is past drop-down after being clipped in and clamping yarn, larger involving is being had to the coil of cloth cover last column in drop-down process, make cloth planar coil unstable, even there will be the distortion of cloth cover.Therefore be necessary to improve this mechanism, to address this problem, improve the quality of cloth cover.
utility model content:
The purpose of this utility model is to provide a kind of yarn clamp device, and solution yarn is clipped in the impact on cloth planar coil in clamp process.
For reaching utility model object the technical solution adopted in the utility model be:
A kind of yarn clamp device, comprise yarn holder, yarn clip, it is characterized in that: on yarn holder, be provided with the sliding tray communicated up and down, chamfering is provided with at the upper end open place of sliding tray, gear is arranged in yarn holder, tooth bar and slide are all installed in the sliding tray of yarn holder, and rack and pinion is meshed, and slide is connected with tooth bar by extension spring;
Yarn clip comprises thread tension disc, middle thread tension disc, lower thread tension disc, three thread tension discs are all installed on tooth bar by axle position bolt, one end of first swing arm is connected with upper thread tension disc, lower thread tension disc by the first rivet, the other end of the first swing arm is installed on slide, one end of second swing arm is connected with middle thread tension disc, locking plate by the second rivet, and the other end and first swing arm of the second swing arm are coaxially installed on slide;
A breach is provided with in lower thread tension disc, locking plate and lower thread tension disc in the same plane, one end of locking plate is tip, and the other end of locking plate is semicircular arc, the tip of locking plate matches with the breach of lower thread tension disc, and the semicircular arc of locking plate matches with the chamfering on yarn holder.
Further setting is:
Described extension spring one end is by rivet interlacement in tooth bar, and the extension spring other end in slide by rivet interlacement, is made slide cooperatively interact with tooth bar and is connected, again can relative sliding.
When tooth bar and slide do relative sliding, the first swing arm, the second swing arm interlock thread tension disc, yarn clip realizes opening or closed action.
Also be provided with a circular hole and an either side of the small of the back hole in the centre of locking plate, wherein, circular hole is located on the second rivet and also can rotates around the second rivet, and torsion spring is arranged in either side of the small of the back hole.
Bar hole is offered in the centre of slide, extension spring is sheathed in bar hole, a transverse groove is had at the back side, upper end of slide, the below of transverse groove is provided with an installing hole, the main body of torsion spring is placed in transverse groove, and one of torsion spring is arranged in installing hole, and the other end of torsion spring is arranged in the either side of the small of the back hole of locking plate, offer breach at the side of slide, offer waist type groove in the lower end of slide.
Described tooth bar is spur rack, and the centre of tooth bar is provided with bar hole, and tooth bar one side offers tooth, and another side of tooth bar offers cam line, and described cam line refers to the arc notch offered along tooth bar side.
Top arm is fixed on yarn holder by a bearing pin, top arm there is roller by bearing pin riveted joint, top arm and slide in the same plane, top arm matches with the side notch of slide, when top arm acts on the breach of slide, slide can not rise with tooth bar, thus clip is opened; Roll wheel and rack in one plane, roller matches with the cam line of tooth bar side, opening or closing of interlock top arm.
Be provided with a jacking block in the bottom of tooth bar, jacking block is installed on tooth bar by an axle position bolt, and stage clip one is fixed on tooth bar, and stage clip other end acts on jacking block, and described jacking block matches with the waist type groove of slide lower end.
When the tip of locking plate acts on the breach of lower thread tension disc, yarn clip can not be completely closed, in semi-closed state; When locking plate gets out of the way, yarn clip is completely closed, specifically: locking plate and middle thread tension disc are by a rivet interlacement, and one end of locking plate is tip, when tip acts on the breach of lower thread tension disc, now, yarn clip can not be completely closed, and be equipped with a long either side of the small of the back hole in the interposition of locking plate, this position is equipped with a torsion spring, the masterpiece of torsion spring is used for locking plate, makes locking plate have the power trending towards pinning thread tension disc all the time; The other end of locking plate is half-circle-arc shape, when the yarn clip entire lowering of semi-closed, the semicircular arc of locking plate encounters the chamfering of yarn holder, the reaction force that yarn holder gives overcomes the elastic force that torsion spring gives, this lockable mechanism of this locking plate can be opened, and clip is completely closed.
The beneficial effects of the utility model are as follows:
1, the utility model is on the basis of existing yarn holder, increase by a chamfering at yarn folder sliding tray near the place of clip mouth, when yarn folder moves down, locking plate on yarn folder can meet this chamfering, chamfering is to locking plate power inwardly pushed away, locking plate is opened, and the semi-closed State Transferring of intermediate plate is completely closed.
2, the utility model yarn clip, include upper, middle and lower three thread tension discs, upper thread tension disc and middle thread tension disc and existing clip identical, a breach is set up in lower thread tension disc, this breach can just coordinate with locking plate, and when clip forwards closure state to from open mode, locking plate acts on this breach, make clip can not be completely closed, in semi-closed state.When locking plate gets out of the way, clip could close.
3, the utility model is by hyperplasia one yarn pinching moving plate in yarn clip, itself and intermediate thread tension disc are by a pinned connection, freely can rotate around bearing pin again, one of locking plate is tip, when tip acts on lower thread tension disc, locking plate can pin thread tension disc, and clip can not be completely closed, and this principle is similar to the lockable mechanism of ratchet.The interposition of locking plate is equipped with a long either side of the small of the back hole, and a torsion spring is worn in this position, and the masterpiece of torsion spring is used for locking plate, makes locking plate have the power trending towards pinning clip all the time.The other end of locking plate is half-circle-arc shape, when the clip entire lowering of semi-closed, this circular arc of locking plate is encountered in the chamfering of yarn holder, and the reaction force that stand gives overcomes the elastic force that torsion spring gives, this lockable mechanism of this locking plate can be opened, and clip is completely closed.
4, improve yarn folder slide and rack structure, and by setting up top arm and roller, match with slide and tooth bar respectively, in the process that yarn folder rises and declines, achieve the opening of clip, semi-closed, completely closed switching.
5, yarn clamp device of the present utility model, action divides rising, interlude clip is opened, rise to peak simultaneously clip semi-closed, decline, to drop to minimum point simultaneously completely closed, clip semi-closed in the motion process that clamp declines, just catch on yarn toward drop-down, yarn can be slided in clip, time minimum point, just can clamp yarn, can not involve cloth planar coil like this.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
accompanying drawing illustrates:
Fig. 1 is the overall explosive view of the utility model yarn clamp device;
Fig. 2 is the structural representation of the utility model locking plate;
Fig. 3 is the structural representation of thread tension disc under the utility model;
Fig. 4 is the structural representation of the utility model slide;
Fig. 5 is the structural representation of the utility model tooth bar;
Fig. 6-1 is the schematic diagram of the utility model yarn clamp device ascent stage clip open mode;
Fig. 6-2 is another schematic diagrames of the utility model yarn clamp device ascent stage clip open mode;
Fig. 7-1 is the schematic diagram of the utility model yarn clamp device clip semi-closed state when rising to peak;
Fig. 7-2 is another schematic diagrames of the utility model yarn clamp device clip semi-closed state when rising to peak;
Fig. 8-1 is the schematic diagram that the utility model yarn clamp device drops to the complete closure state of minimum point clip;
Fig. 8-2 is another schematic diagrames that the utility model yarn clamp device drops to the complete closure state of minimum point clip.
detailed description of the invention:
Shown in Figure 1, a kind of yarn clamp device of the present utility model, comprise yarn holder 1, yarn holder 1 is provided with the sliding tray 25 communicated up and down, chamfering 24 is provided with at the upper end open place of sliding tray 25, gear 2 is arranged in yarn holder 1, gear 2 is meshed with tooth bar 3, slide 20 is connected with tooth bar 3 by extension spring 16, tooth bar 3 and slide 20 are all installed in the sliding tray 25 of yarn holder 1, extension spring 16 one end by rivet interlacement in tooth bar 3, extension spring 16 other end is connected to slide 20 by rivet 19, slide 20 is cooperatively interacted with tooth bar 3 be connected, again can relative sliding.
Yarn clip of the present utility model is provided with three thread tension discs altogether, composition graphs 2, shown in Fig. 3, yarn clip comprises thread tension disc 9, middle thread tension disc 6, lower thread tension disc 5, three thread tension discs are all installed on tooth bar 3 by axle position bolt 10, one end of first swing arm 12 by rivet 7 with upper thread tension disc 9, lower thread tension disc 5 connects, the other end of the first swing arm 12 is installed on slide 20 by axle position bolt 13, one end of second swing arm 26 is by rivet 8 and middle thread tension disc 6, locking plate 11 is connected, the other end of the second swing arm 26 is also installed on slide 20 by axle position bolt 13.Like this, when tooth bar 3 does relative sliding with slide 20, to be linked thread tension disc by the first swing arm 12, second swing arm 26, yarn clip just can realize the action of opening, closing.
In the utility model, described thread tension disc, wherein, upper thread tension disc 9 is identical with the structure of existing thread tension disc with middle thread tension disc 6, difference is: as shown in Figure 3, a breach 27 is set up in lower thread tension disc 5, locking plate 11 is just in the same plane with lower thread tension disc 5, the breach 27 of lower thread tension disc 5 can just coordinate with locking plate 11, Fig. 2 shows the structure of locking plate 11, one end of locking plate 11 is tip 31, the other end of locking plate 11 is semicircular arc 34, the tip 31 of locking plate 11 matches with the breach 27 of lower thread tension disc 5, circular hole 32 and an either side of the small of the back hole 33 is provided with in the centre of locking plate 11, wherein, circular hole 32 is located on rivet 8 and can rotates around rivet 8, torsion spring 4 is arranged in either side of the small of the back hole 33.
The setting of locking plate 11, be the effect by torsion spring 4 and yarn holder 1, realize the switching of yarn clip from open mode to closure state, when namely the tip 31 of locking plate 11 acts on the breach 27 of lower thread tension disc 5, make yarn clip can not be completely closed, in semi-closed state; And when locking plate 11 gets out of the way, yarn clip could be completely closed, concrete principle is as follows: locking plate 11 is connected by a rivet 8 with middle thread tension disc 6, freely can rotate around rivet 8 again, one of locking plate 11 is tip 31, when tip 31 acts on the breach 27 of lower thread tension disc 5, locking plate 11 can pin thread tension disc, now, yarn clip can not be completely closed, and this principle is similar to the lockable mechanism of ratchet.Interposition due to locking plate 11 is equipped with a long either side of the small of the back hole 33, and this position is equipped with a torsion spring 4, and the masterpiece of torsion spring 4 is used for locking plate 11, makes locking plate 11 have the power trending towards pinning thread tension disc all the time; The other end of locking plate 11 is half-circle-arc shape 34, when the yarn clip entire lowering of semi-closed, this semicircular arc 34 of locking plate 11 encounters the chamfering 24 of yarn holder 1, the reaction force that yarn holder 1 gives overcomes the elastic force that torsion spring 4 gives, this this lockable mechanism of locking plate 11 can be opened, and clip is completely closed.
Slide 20 structure as shown in Figure 2, the centre of slide 20 offers bar hole 37, extension spring 16 is sheathed in bar hole 37, a transverse groove 35 is had at the back side, upper end of slide 20, the below of transverse groove 35 is provided with an installing hole 36, the main body of torsion spring 4 is placed in transverse groove 35, and one of torsion spring 4 is arranged in installing hole 36, and the other end of torsion spring 4 is arranged in the either side of the small of the back hole 33 of aforementioned locking plate 11.Offer breach 39 at the side of slide 20, offer waist type groove 38 in the lower end of slide 20.
As shown in Figure 3, tooth bar 3 is spur rack, the centre of tooth bar 3 is provided with bar hole 40, tooth bar 3 one side offers tooth 41, another side of tooth bar 3 offers cam line 42, described cam line 42 refers to the arc notch offered along tooth bar 3 side, shown in composition graphs 1, top arm 18 is fixed on yarn holder 1 by a bearing pin 14, top arm 18 there is roller 17 by bearing pin 15 riveted joint, top arm 18 is in the same plane with slide 20, top arm 18 matches with the side notch 39 of slide 20, when top arm 18 acts on the breach 39 of slide 20, make slide 20 can not increase with tooth bar 3, thus clip is opened, roller 17 and tooth bar 3 are in one plane, roller 17 matches with the cam line 42 of tooth bar 3 side, can to link the opening or closing of top arm 18, a jacking block 21 is provided with in the bottom of tooth bar 3, jacking block 21 is installed on tooth bar 3 by an axle position bolt 22, stage clip 23 1 is fixed on tooth bar 3, and stage clip 23 other end acts on jacking block 21.
The course of work of the present utility model is described in detail below in conjunction with Fig. 6, Fig. 7, Fig. 8:
1, yarn clip rising, interlude clip are opened:
When yarn clamp device drops to minimum point, now yarn clip is completely closed, as shown in Fig. 8-1.Along with gear 2 rotates, band carry-over bar 3 moves up, now, roller 17 rolls along the cam line 42 of tooth bar 3 side, when roller 17 goes to the recess of cam line 42, the tip of top arm 18 just acts on the indentation, there of slide 20, makes slide 20 can not increase along with the rising of tooth bar 3, slide 20 and tooth bar 3 produce relative movement, thus yarn clip is opened.When yarn clip is opened, jacking block 21, under the effect of stage clip 23, makes jacking block 21 act in the breach 38 of slide 20 lower end, as shown in Fig. 6-1, makes tooth bar 3 and slide 20 keep a relatively-stationary state.Meanwhile, roller 17 is risen by the recess of cam line 42, acts on top arm 18 and top arm 18 is opened, and opens prepare for yarn clip next time, and the relative position of locking plate 11 and lower thread tension disc 5 is as shown in Fig. 6-2.
2, peak clip semi-closed is simultaneously risen to:
Shown in Fig. 7-1, Fig. 7-2, when yarn clip rises to peak, now, jacking block 21 encounters clamp stand 1, due to the active force of clamp stand 1, pushes jacking block 21 open, makes yarn clip under the effect of extension spring 16, makes closed action, and catch on yarn.Now, because the tip 31 on locking plate 11 acts on breach 27 place of lower thread tension disc 5, make three thread tension discs can not be completely closed, form the die cavity 45 as shown in Fig. 7-1, yarn can be free to slide in die cavity 45.
3, clip semi-closed in the motion process of clamp decline, drops to minimum point simultaneously completely closed:
Shown in Fig. 8-1, Fig. 8-2, when yarn clip declines, when dropping to close to minimum point, a circular arc 34 of locking plate 11 can encounter a chamfering 24 at yarn holder 1 sliding tray 25 notch place, and when the power that chamfering 24 awards locking plate 11 is greater than the power of torsion spring 16, locking plate 11 rotates, the tip 31 of locking plate 11 is made to shift out the breach 27 of lower thread tension disc 5, thus make three thread tension discs completely closed, and clamp yarn, as shown in Fig. 8-2.
In the utility model, the action of yarn clip divides rising, interlude clip is opened, rise to peak clip semi-closed simultaneously, decline, clip semi-closed in the motion process of clamp decline, just catch on yarn toward drop-down, yarn can be slided in clip, drop to minimum point simultaneously completely closed, due to just can yarn be clamped time minimum point, can not involve cloth planar coil like this.
Claims (10)
1. a yarn clamp device, comprise yarn holder, yarn clip, it is characterized in that: on yarn holder, be provided with the sliding tray communicated up and down, chamfering is provided with at the upper end open place of sliding tray, gear is arranged in yarn holder, tooth bar and slide are all installed in the sliding tray of yarn holder, and rack and pinion is meshed, and slide is connected with tooth bar by extension spring;
Yarn clip comprises thread tension disc, middle thread tension disc, lower thread tension disc, three thread tension discs are all installed on tooth bar by axle position bolt, one end of first swing arm is connected with upper thread tension disc, lower thread tension disc by the first rivet, the other end of the first swing arm is installed on slide, one end of second swing arm is connected with middle thread tension disc, locking plate by the second rivet, and the other end and first swing arm of the second swing arm are coaxially installed on slide;
A breach is provided with in lower thread tension disc, locking plate and lower thread tension disc in the same plane, one end of locking plate is tip, and the other end of locking plate is semicircular arc, the tip of locking plate matches with the breach of lower thread tension disc, and the semicircular arc of locking plate matches with the chamfering on yarn holder.
2. a kind of yarn clamp device according to claim 1, is characterized in that: extension spring one end is by rivet interlacement in tooth bar, and the extension spring other end in slide by rivet interlacement, is made slide cooperatively interact with tooth bar and is connected, again can relative sliding.
3. a kind of yarn clamp device according to claim 1 and 2, is characterized in that: when tooth bar and slide do relative sliding, and the first swing arm, the second swing arm interlock thread tension disc, yarn clip realizes opening or closed action.
4. a kind of yarn clamp device according to claim 1, is characterized in that: be also provided with a circular hole and an either side of the small of the back hole in the centre of locking plate, and wherein, circular hole is located on the second rivet and also can rotates around the second rivet, and torsion spring is arranged in either side of the small of the back hole.
5. a kind of yarn clamp device according to claim 1 or 4, it is characterized in that: offer bar hole in the centre of slide, extension spring is sheathed in bar hole, have a transverse groove at the back side, upper end of slide, the below of transverse groove is provided with an installing hole, and the main body of torsion spring is placed in transverse groove, one of torsion spring is arranged in installing hole, the other end of torsion spring is arranged in the either side of the small of the back hole of locking plate, offers breach at the side of slide, offers waist type groove in the lower end of slide.
6. a kind of yarn clamp device according to claim 5, it is characterized in that: described tooth bar is spur rack, and the centre of tooth bar is provided with bar hole, tooth bar one side offers tooth, another side of tooth bar offers cam line, and described cam line refers to the arc notch offered along tooth bar side.
7. a kind of yarn clamp device according to claim 6, it is characterized in that: top arm is fixed on yarn holder by a bearing pin, top arm there is roller by bearing pin riveted joint, top arm and slide in the same plane, top arm matches with the side notch of slide, when top arm acts on the breach of slide, slide can not rise with tooth bar, thus clip is opened; Roll wheel and rack in one plane, roller matches with the cam line of tooth bar side, opening or closing of interlock top arm.
8. a kind of yarn clamp device according to claim 5, it is characterized in that: be provided with a jacking block in the bottom of tooth bar, jacking block is installed on tooth bar by an axle position bolt, stage clip one is fixed on tooth bar, stage clip other end acts on jacking block, and described jacking block matches with the waist type groove of slide lower end.
9. a kind of yarn clamp device according to claim 1, is characterized in that: when the tip of locking plate acts on the breach of lower thread tension disc, and yarn clip can not be completely closed, in semi-closed state; When locking plate gets out of the way, yarn clip is completely closed.
10. a kind of yarn clamp device according to claim 9, it is characterized in that: locking plate and middle thread tension disc are by a rivet interlacement, one end of locking plate is tip, when tip acts on the breach of lower thread tension disc, now, yarn clip can not be completely closed, a long either side of the small of the back hole is equipped with in the interposition of locking plate, this position is equipped with a torsion spring, and the masterpiece of torsion spring is used for locking plate, makes locking plate have the power trending towards pinning thread tension disc all the time; The other end of locking plate is half-circle-arc shape, when the yarn clip entire lowering of semi-closed, the semicircular arc of locking plate encounters the chamfering of yarn holder, the reaction force that yarn holder gives overcomes the elastic force that torsion spring gives, this lockable mechanism of this locking plate can be opened, and clip is completely closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420764609.1U CN204325682U (en) | 2014-12-09 | 2014-12-09 | A kind of yarn clamp device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420764609.1U CN204325682U (en) | 2014-12-09 | 2014-12-09 | A kind of yarn clamp device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204325682U true CN204325682U (en) | 2015-05-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420764609.1U Expired - Fee Related CN204325682U (en) | 2014-12-09 | 2014-12-09 | A kind of yarn clamp device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204325682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452072A (en) * | 2014-12-09 | 2015-03-25 | 绍兴文理学院元培学院 | Yarn clamping device |
-
2014
- 2014-12-09 CN CN201420764609.1U patent/CN204325682U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452072A (en) * | 2014-12-09 | 2015-03-25 | 绍兴文理学院元培学院 | Yarn clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20171209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |