CN215925242U - Scissors clamp for flat knitting machine - Google Patents
Scissors clamp for flat knitting machine Download PDFInfo
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- CN215925242U CN215925242U CN202122406212.8U CN202122406212U CN215925242U CN 215925242 U CN215925242 U CN 215925242U CN 202122406212 U CN202122406212 U CN 202122406212U CN 215925242 U CN215925242 U CN 215925242U
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Abstract
The utility model discloses a scissors clamp for a flat knitting machine, which comprises a rack, wherein a line pressing component, a scissors component and a line hook component are arranged on the rack, and the scissors component is positioned between the line pressing component and the line hook component; the yarn pressing component is used for pressing and compacting yarns, the yarn hook component is used for hooking and pulling the yarns, and the scissors component is used for cutting off the yarns; the wire pressing assembly, the scissors assembly and the wire hook assembly are respectively controlled by an independent driving device. The scissors clamp has the advantages of having the function of pressing yarns, improving the success rate of hooking yarns by the yarn hook assembly and improving the cutting rate of the yarns.
Description
Technical Field
The utility model relates to the field of textile machinery, in particular to a scissors clamp for a flat knitting machine.
Background
The existing scissors clamp applied to the flat knitting machine is used for cutting off yarns, and when the yarns are in a loose state, the yarns are difficult to cut off by using the scissors clamp. Meanwhile, as the position of the yarn is too high, the yarn is hooked only by adopting the wire hook component, so that the yarn is not easy to hook; meanwhile, the yarn is not pressed down, and the knitting needle is not easy to hook the yarn after the subsequent yarn is fed into the needle plate.
In view of the above problems, the present invention provides a scissors clamp for a weft knitting machine, and the scissors clamp is produced by the scissors clamp.
Disclosure of Invention
The utility model provides a scissors clamp for a flat knitting machine, which has the characteristics of pressing yarn, improving the success rate of hooking yarns by a yarn hook assembly and improving the cutting rate of yarns; specifically, the utility model is realized by the following technical scheme:
a scissors clamp for a flat knitting machine comprises a rack, wherein a thread pressing component, a scissors component and a thread hook component are arranged on the rack, and the scissors component is positioned between the thread pressing component and the thread hook component; the yarn pressing component is used for pressing and compacting yarns, the yarn hook component is used for hooking and pulling the yarns, and the scissors component is used for cutting off the yarns; the wire pressing assembly, the scissors assembly and the wire hook assembly are respectively controlled by an independent driving device.
The two ends of the yarn at the position of the scissors assembly are tensioned or compressed by the yarn pressing assembly and the yarn hook assembly which are respectively arranged at the two sides of the scissors assembly, so that the tensioned yarn is conveniently cut by the scissors assembly, and is easier to cut than loosened yarn, thereby improving the success rate of cutting the yarn. During the use, place the line ball subassembly and be close to the faller district, the line ball subassembly can be pressed the yarn that introduces the faller district low, is favorable to the knitting needle in faller district to catch on the yarn, also is favorable to the line hook subassembly to catch on the yarn simultaneously.
Further, two sets of thread hooking components are arranged along the thread feeding direction of the yarn.
The two groups of the thread hook groups are driven for hooking at one time, so that the success rate of hooking the yarns can be improved.
Furthermore, the line pressing assembly comprises a movable line pressing plate and a fixed line pressing plate which are assembled with each other, and the movable line pressing plate is in linkage connection with the line pressing assembly driving device; one of the wire pressing plates is provided with a wire groove, and the two wire pressing plates are matched to control the opening and closing state of the opening of the wire groove.
Furthermore, line ball subassembly drive arrangement is sharp gas pole, and activity line ball board and frame swivelling joint, sharp gas pole drive activity line ball board be rotary motion.
During the use, the movable line ball board is driven to hold the yarn, the yarn is held in the wire 4 from the end slot, the yarn is positioned between the fixed line ball board and the movable line ball board and is clamped and pressed by the fixed line ball board and the movable line ball board, and meanwhile, the yarn is prevented from running out from the notch of the wire groove.
Further, the scissors assembly comprises a movable blade and a fixed blade which are assembled with each other, and the movable blade is in linkage connection with the scissors assembly driving device.
Furthermore, the scissors assembly also comprises a wire guide sheet, a wire guide groove is arranged on the wire guide sheet, and the wire guide sheet is used for guiding the yarn feeding direction of the yarn fed into the scissors assembly; the wire sheets are positioned on one side of the knife face of the knife blade, or the knife faces on the two sides are provided with the wire sheets.
The guide piece guides and positions the fed or sent yarn, so that the condition of cutting empty when the scissors cut is avoided, and the yarn cutting success rate is improved.
Further, the scissors assembly driving device is a motor, and the motor drives the movable blade to rotate through the middle connecting piece.
The scissors assembly driving device is selected as a motor, the motor rotates to drive an eccentric wheel, a rocker further drives the movable blade to rotate, and the shearing process is completed through the matching of the movable blade and the fixed blade.
Further, the wire hook component comprises a bush-hook, a wire hooking groove is formed in the bush-hook, and the bush-hook is in linkage connection with the wire hook component driving device.
The yarn is caught to the bush-hook, and the yarn falls into the groove of colluding, and bush-hook reverse operation is toward the internal hook with the yarn, overlaps the cooperation until notch and dog for the notch is closed, and the yarn that penetrates in the groove of colluding is restricted at the inslot of colluding, can not run away from notch department, and the yarn is in between dog and the bush-hook simultaneously, and the yarn is compressed tightly by the centre gripping.
Furthermore, the wire hook component also comprises a stop block matched with the hook knife, and the stop block is matched with the hook knife to control the opening and closing state of the notch of the wire hooking groove; the dog articulates in the frame, and the one end of dog connects the spring, spring and frame fixed connection, the other end and the bush-hook cooperation of dog.
Further, the wire hook component driving device is a motor, and the motor drives the hook knife to do linear reciprocating motion.
When the motor drives the hook knife to perform reverse linear motion to pull back the yarns, the reverse motion over position of the hook knife may occur, so that the stop block also serves as a limiting function at the moment, the stop block structure is positioned on a linear running path of the hook knife, and when the reverse running hook knife touches the stop block, the hook knife stops moving, so that the hook knife is prevented from running over head; the spring connected to the hook knife plays roles of buffering and restoring, the middle position of the stop block is hinged to the rack, one end of the stop block is connected with the spring, the other end of the stop block is used for being contacted with the hook knife, when the hook knife is contacted with the spring, one end of the stop block is pressed and receives an acting force F1, at the moment, the stop block rotates forwards around the hinge position in advance, but because the other end of the stop block is pulled by the spring, the spring at the end deforms along with the rotation of the stop block, and the acting force F2 in the same direction as that of F1 is given to the stop block, and the spring plays a role of buffering; when the hook knife stops gradually, the spring is restored to the original state, force F2 acts at the moment, the stop block rotates reversely, and the hook knife is pulled back to the stop position.
Drawings
FIG. 1 is a perspective view of an embodiment of a scissors clamp for a weft knitting machine according to the present invention;
FIG. 2 is a front view of an embodiment of a scissors clamp for a weft knitting machine according to the present invention;
FIG. 3 is a left side view of an embodiment of a scissors clamp for a flat knitting machine according to the present invention;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 3;
FIG. 5 is a sectional view taken along line B-B of FIG. 3;
fig. 6 is a sectional view taken along line a-a of fig. 3.
Wherein: 1. a frame; 2. a wire pressing assembly; 21. a movable wire pressing plate; 22. fixing a wire pressing plate; 23. a wire pressing assembly driving device; 24. a wire guide groove; 3. a scissor assembly; 31. a movable blade; 32. fixing a blade; 33. a scissor assembly drive; 35. a rocker; 36. a wire sheet; 37. a wire guide groove; 38. a knife face; 4. a wire hook assembly; 41. a bush-hook; 42. a wire hooking groove; 43. a wire hook assembly drive device; 44. a gear; 45. a rack; 46. a stopper; 47. a spring; 5. a housing; 6. a yarn.
Detailed Description
The utility model is further described with reference to the following figures and detailed description.
As shown in fig. 1 and 3, a scissors clamp for a flat knitting machine comprises a frame 1, wherein a thread pressing assembly 2, a scissors assembly 3 and a thread hooking assembly 4 are arranged on the frame 1, the scissors assembly 3 is arranged between the thread pressing assembly 2 and the thread hooking assembly 4, and each assembly is controlled by a driving device; the thread pressing component 2 and the thread hook component 4 are used for pressing and compressing two ends of the yarn 6, and the scissors component 3 is used for cutting off the compressed yarn 6. The above components are arranged on the frame 1, and a casing 5 is arranged on the frame 1 to wrap all the components. The housing 5 is an integral plastic housing.
When the novel scissors assembly is used, the yarn 6 is located beside the scissors clamps, the yarn pressing assembly 2 is started, the yarn 6 located on one side of the scissors assembly 3 is pulled, pressed down and compressed, the yarn hook assembly 4 is started again, the yarn 6 located on the other side of the yarn 6 of the scissors assembly 3 is hooked, at the moment, the yarn 6 is tensioned and does not loosen, and the tensioned yarn 6 is cut off from the middle by the scissors assembly 3 located between the two assemblies.
In order to increase the success rate of the hooking elements 4, two sets of hooking elements 4 are provided along the direction of feed of the yarn 6. The two groups of the thread hooking components 4 simultaneously carry out thread hooking movement each time the thread is hooked.
As shown in fig. 2, the wire pressing assembly 2 comprises two movably connected wire pressing plates, namely a movable wire pressing plate 21 and a fixed wire pressing plate 22, the movable wire pressing plate 21 is movably connected with the rack 1, the fixed wire pressing plate 22 is fixed on the rack 1, and the movable wire pressing plate 21 is in linkage connection with a wire pressing assembly driving device 23; one of the wire pressing plates is provided with a wire groove 24, and the two wire pressing plates are matched to control the opening and closing state of the notch of the wire groove 24.
As shown in fig. 4 and 5, the thread pressing assembly driving device 23 is a linear air rod, the movable thread pressing plate 21 is rotatably connected with the frame 1, and the linear air rod drives the movable thread pressing plate 21 to rotate. When the knitting needle hook yarn pressing device is used, the yarn pressing component 2 is placed close to the needle plate area, and the yarn 6 led into the needle plate area can be pressed down by the yarn pressing component 2, so that the knitting needle hook yarn 6 in the needle plate area is convenient to use.
In one embodiment, as shown in fig. 2, the fixed tension plate 22 is fixed on the rack 1, the wire groove 24 is arranged on the fixed tension plate 22, the wire groove 24 is a through groove, the through groove penetrates through the fixed tension plate 22, the notch of the wire groove 24 faces outwards, the yarn 6 is gathered by the movable tension plate 21, the yarn 6 is gathered into the wire groove 24 from the end notch, the yarn 6 is located between the fixed tension plate 22 and the movable tension plate 21 and clamped by the fixed tension plate and the movable tension plate, and meanwhile, the yarn 6 is prevented from running out from the notch of the wire groove 24.
As shown in fig. 5, the scissors assembly 3 includes two movably connected blades, namely a movable blade 31 and a fixed blade 32, the fixed blade 32 is fixed on the frame 1, the movable blade 31 is movably connected with the frame 1, and the movable blade 31 is linked with the scissors assembly driving device 33.
The scissors assembly driving device 33 is connected with the movable blade 31 through an eccentric wheel and a rocker 35, the scissors assembly driving device 33 is selected as a motor, the motor rotates to drive the eccentric wheel and the rocker 35 to further drive the movable blade 31 to rotate, and the shearing process is completed through the matching of the movable blade 31 and the fixed blade 32.
As shown in fig. 4, the scissors assembly 3 further includes a thread guiding piece 36, the thread guiding piece 36 is provided with a thread guiding groove 37, and the thread guiding piece 36 is used for guiding the feeding direction of the thread 6 fed into the scissors assembly 3; the wire sheet 36 is located on one side knife face 38 of the blade, or both sides knife face 38 all are provided with the wire sheet 36, and when the yarn 6 sent in from one side knife face 38 of the blade, sent out from the other side knife face 38, the wire sheet 36 guides and positions the yarn 6 sent in or sent out, avoids the empty state of cutting when the scissors are cut, and improves the success rate of cutting the yarn 6.
As shown in fig. 6, the hook assembly 4 includes a hook blade 41, the hook blade 41 is provided with a hooking slot 42, and the hook blade 41 is linked with a hook assembly driving device 43. The wire hook component driving device 43 is a motor, and the motor drives the hook knife 41 to do linear reciprocating motion through a gear 44 and a rack 45. The wire hook component 4 further comprises a stop block 46 matched with the hook knife 41, and the stop block 46 is matched with the hook knife 41 to control the opening and closing state of the notch of the wire hooking groove 42; the stop 46 is hinged on the frame 1, one end of the stop 46 is connected with the spring 47, the spring 47 is fixedly connected with the frame 1, and the other end of the stop 46 is matched with the hook knife 41.
As shown in fig. 6, when the hook knife 41 performs the reverse linear motion to pull back the yarn 6, the hook knife 41 may move over in the reverse direction, so that the stopper 46 also serves as a limit at this time, the stopper 46 is located on the linear path of the hook knife 41, and when the hook knife 41 which runs in the reverse direction touches the stopper 46, the hook knife 41 stops moving, and the hook knife 41 is prevented from running over; the spring 47 connected to the hook knife 41 plays a role in buffering and restoring, the middle position of the stop 46 is hinged to the frame 1, one end of the stop 46 is connected with the spring 47, the other end of the stop 46 is used for being contacted with the hook knife 41, when the hook knife 41 is contacted with the spring 47, one end of the stop 46 is pressed and receives an acting force F1, at the moment, the stop 46 rotates around the hinge position in a positive direction in advance, but as the other end of the stop 46 is pulled by the spring 47, the spring 47 at the end deforms along with the rotation of the stop 46, the acting force F2 in the same direction as that of the F1 is given to the stop 46, and the spring 47 plays a role in buffering; when the hook blade 41 comes to a stop, the spring 47 is pre-stressed, and the force F2 acts to reverse the rotation of the stop 46, and the hook blade 41 is pulled back to the stop position.
The above is the preferred embodiment of the present invention, and several other simple substitutions and modifications made on the premise of the inventive concept should be considered as falling into the protection scope of the present invention.
Claims (10)
1. The utility model provides a scissors clip that flat-bed machine used which characterized in that: the wire drawing machine comprises a rack, wherein a wire pressing component, a scissors component and a wire hook component are arranged on the rack, and the scissors component is positioned between the wire pressing component and the wire hook component; the yarn pressing component is used for pressing and compacting yarns, the yarn hook component is used for hooking and pulling the yarns, and the scissors component is used for cutting off the yarns; the wire pressing assembly, the scissors assembly and the wire hook assembly are respectively controlled by an independent driving device.
2. A scissors clip for a flat knitting machine according to claim 1, wherein: two groups of thread hook components are arranged along the thread feeding direction of the yarn.
3. A scissors clip for a flat knitting machine according to claim 1 or 2, wherein: the line pressing assembly comprises a movable line pressing plate and a fixed line pressing plate which are assembled with each other, and the movable line pressing plate is in linkage connection with the line pressing assembly driving device; one of the wire pressing plates is provided with a wire groove, and the two wire pressing plates are matched to control the opening and closing state of the opening of the wire groove.
4. A scissors clip for a flat knitting machine according to claim 3, wherein: the line pressing component driving device is a linear air rod, the movable line pressing plate is rotatably connected with the rack, and the linear air rod drives the movable line pressing plate to do rotary motion.
5. A scissors clip for a flat knitting machine according to claim 1 or 2, wherein: the scissors assembly comprises a movable blade and a fixed blade which are assembled with each other, and the movable blade is in linkage connection with the scissors assembly driving device.
6. A scissors clip for a flat knitting machine according to claim 5, wherein: the scissors assembly also comprises a wire guide sheet, a wire guide groove is arranged on the wire guide sheet, and the wire guide sheet is used for guiding the yarn feeding direction of the yarn fed into the scissors assembly; the wire sheets are positioned on one side of the knife face of the knife blade, or the knife faces on the two sides are provided with the wire sheets.
7. A scissors clip for a flat knitting machine according to claim 5, wherein: the scissors assembly driving device is a motor which drives the movable blade to rotate through the middle connecting piece.
8. A scissors clip for a flat knitting machine according to claim 1 or 2, wherein: the wire hook component comprises a hook cutter, a wire hooking groove is formed in the hook cutter, and the hook cutter is in linkage connection with a wire hook component driving device.
9. A scissors clip for a flat knitting machine according to claim 8, wherein: the wire hook assembly also comprises a stop block matched with the hook knife, and the stop block is matched with the hook knife to control the opening and closing state of the notch of the wire hooking groove; the dog articulates in the frame, and the one end of dog connects the spring, spring and frame fixed connection, the other end and the bush-hook cooperation of dog.
10. A scissors clip for a flat knitting machine according to claim 8, wherein: the wire hook component driving device is a motor, and the motor drives the hook knife to do linear reciprocating motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122406212.8U CN215925242U (en) | 2021-09-30 | 2021-09-30 | Scissors clamp for flat knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122406212.8U CN215925242U (en) | 2021-09-30 | 2021-09-30 | Scissors clamp for flat knitting machine |
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| Publication Number | Publication Date |
|---|---|
| CN215925242U true CN215925242U (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122406212.8U Active CN215925242U (en) | 2021-09-30 | 2021-09-30 | Scissors clamp for flat knitting machine |
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| CN (1) | CN215925242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045033A (en) * | 2022-07-04 | 2022-09-13 | 汕头市连兴实业有限公司 | Thread end hooking and storing processing method for collar knitting machine and collar knitting machine |
-
2021
- 2021-09-30 CN CN202122406212.8U patent/CN215925242U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045033A (en) * | 2022-07-04 | 2022-09-13 | 汕头市连兴实业有限公司 | Thread end hooking and storing processing method for collar knitting machine and collar knitting machine |
| CN115045033B (en) * | 2022-07-04 | 2024-01-23 | 汕头市连兴实业有限公司 | Thread end hooking treatment method for collar knitting machine and collar knitting machine |
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