CN110106619B - Cam yarn cutting device for glove knitting machine - Google Patents
Cam yarn cutting device for glove knitting machine Download PDFInfo
- Publication number
- CN110106619B CN110106619B CN201910468040.1A CN201910468040A CN110106619B CN 110106619 B CN110106619 B CN 110106619B CN 201910468040 A CN201910468040 A CN 201910468040A CN 110106619 B CN110106619 B CN 110106619B
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- cam
- bottom plate
- large gear
- cutting device
- knitting machine
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- 238000009940 knitting Methods 0.000 title claims abstract description 17
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 230000008901 benefit Effects 0.000 abstract description 9
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
- D04B15/54—Thread guides
- D04B15/58—Thread guides for circular knitting machines; Thread-changing devices
- D04B15/60—Thread guides for circular knitting machines; Thread-changing devices with thread-clamping or -severing devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
The invention discloses a cam yarn cutting device for a glove knitting machine, which comprises a bottom plate, wherein a driving device is arranged on the outer side of the bottom plate, a large gear is rotationally connected to the inner side of the bottom plate, a V-shaped swing rod and a small gear are sequentially connected to a power shaft of the driving device, the small gear is meshed with the large gear, a centrifugal wheel matched with a V-shaped groove of the V-shaped swing rod is arranged on one side of the large gear, a secondary cam and a primary cam are sequentially and fixedly connected to the other side of the large gear, a base is arranged on the bottom plate, a groove is arranged on the base, a slide bar is arranged in the groove, an upper roller and a lower roller are respectively arranged at the upper end and the lower end of one side of the slide bar, the upper roller and the lower roller are respectively contacted with the primary cam and the secondary cam, and one end of the base, far away from the bottom plate, is connected with a cover plate. The invention has the advantages of simplicity, compactness, small volume, low running noise and long service life, and can greatly improve the economic benefit of enterprises.
Description
Technical Field
The invention relates to the technical field of knitting machinery, in particular to a cam yarn cutting device for a glove knitting machine.
Background
The yarn cutting device of the existing glove knitting machine drives a plurality of groups of V-shaped swing rods through the combination of the cam and the spring, so that the up-and-down pulling is realized. The cams are arranged on the shaft side by side and are driven by the synchronous belt of the servo motor in a decelerating way. A plurality of groups of V-shaped swing rods are arranged on the wallboard side by side, one end of each swing rod is provided with a spring, and the other end of each swing rod is provided with a roller, and the roller is contacted with the cam by the tension provided by the spring. Because the spring is used for pulling the reset, when the swing rod moves upwards, the roller wheel can generate impact when rolling over the low point of the cam, and abnormal sound is caused; the swing rod needs to overcome harmful spring tension when doing downward movement, so that the cam needs to provide larger torque, the mechanism is larger in size, and meanwhile, the swing rod, the roller and the cam are always in a fatigue wear state because the spring always provides tension for the swing rod in operation, so that the service life is greatly shortened, and the economic benefits of enterprises are influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the cam yarn cutting device for the glove knitting machine, which has the advantages of simple and compact structure, small volume, low running noise and long service life, and can greatly improve the economic benefit of enterprises.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a cam yarn cutting device for glove knitting machine, includes the bottom plate, the outside of bottom plate is equipped with drive arrangement, the inboard rotation of bottom plate is connected with the gear wheel, drive arrangement's power shaft has connected gradually V-arrangement pendulum rod and pinion, the pinion with gear wheel meshing, one side of gear wheel be equipped with V-arrangement pendulum rod's V-arrangement groove complex centrifugal wheel, opposite side fixedly connected with auxiliary cam and main cam in proper order, be equipped with the base on the bottom plate, be equipped with the recess on the base, be equipped with the slide bar in the recess, both ends are equipped with gyro wheel and lower gyro wheel respectively about slide bar one side, go up gyro wheel and lower gyro wheel respectively with main cam and auxiliary cam contact, the base is kept away from the one end of bottom plate is connected with the apron. The upper end of the sliding rod is connected with a yarn cutting device, the upper end of the V-shaped swing rod is connected with a yarn grabbing device, and the driving device is a motor. When the yarn grabbing device works, the motor operates to drive the large gear meshed with the small gear on the motor power shaft to rotate, and the centrifugal wheel on one side of the large gear matched with the V-shaped swing rod swings up and down along with the rotation of the large gear, so that the yarn grabbing device connected with the large gear is operated. Meanwhile, the large gear rotates to drive the main cam and the auxiliary cam to rotate, the main cam drives the sliding rod to move upwards through the upper roller, and the auxiliary cam drives the sliding rod to move downwards through the lower roller, so that the sliding rod swings up and down, and the yarn cutting device connected with the upper end of the sliding rod is operated. The invention has the advantages of simplicity, compactness, small volume, low running noise and long service life, and can greatly improve the economic benefit of enterprises.
Further, the primary cam and the secondary cam are conjugate cams.
Further, the large gear, the main cam and the auxiliary cam are connected with the bottom plate in a rotating mode through the pin shafts, and the large gear, the main cam and the auxiliary cam are connected onto the bottom plate through the pin shafts, so that synchronous rotation can be guaranteed.
Further, the main cam and the auxiliary cam are fixed on the large gear through bolts, a spacer is arranged between the auxiliary cam and the large gear, and the auxiliary cam and the large gear are separated through the spacer, so that mutual friction damage is avoided.
Further, the diameters of the two ends of the pin shaft are smaller than the diameter of the middle, the two ends of the pin shaft are respectively arranged on the bottom plate and the cover plate through flange bearings, the flanges of the two ends of the pin shaft face inwards and lean against the shaft shoulder, and the steps of the outer ring of the bearing are respectively arranged on the bottom plate and the cover plate.
Furthermore, the two ends of the pin shaft are respectively provided with a clamp spring, and a main cam, an auxiliary cam and a large gear are arranged between the two clamp springs to prevent the main cam, the auxiliary cam and the large gear from moving along the axial direction of the pin shaft.
Further, the slide bar is the Y font, and the centre is equipped with the slot hole, go up the gyro wheel with down the gyro wheel offset setting that staggers each other, the slide bar is the Y font, is equipped with the slot hole in the centre, and the lower extreme of slide bar is equipped with the pulley seat, and down the gyro wheel is installed on the pulley seat and staggers with the main cam, goes up gyro wheel and lower gyro wheel offset setting, goes up the gyro wheel and contacts with the main cam to the left side, and lower gyro wheel contacts with the auxiliary cam to the right side. When the sliding rod is in operation, the main cam drives the upper roller to enable the sliding rod to push upwards, and the auxiliary cam drives the lower roller to enable the sliding rod to press downwards, so that the sliding rod can swing up and down in a circulating and reciprocating mode.
Further, the V-shaped swing rod is arranged between the bottom plate and the large gear, the bottom end of the V-shaped swing rod is provided with a mounting hole, and the V-shaped swing rod is mounted on a power shaft of the driving device through a bearing.
Furthermore, the main cam, the auxiliary cam, the large gear, the small gear, the bottom plate, the cover plate and the sliding rod all adopt the same thickness dimension, and the materials with the same thickness are adopted for each part, so that the material purchase is simplified, and the part processing is facilitated.
The beneficial effects of the invention are as follows:
1. the invention changes the original force sealing mechanism into a shape sealing mechanism, thereby reducing the load of the mechanism and the volume of the mechanism;
2. the invention reduces the number of the original V-shaped swing rods to one, and is arranged on the motor, so that the swing rod rotating shaft of the original mechanism is removed, and the mechanism is simplified;
3. The auxiliary cam, the large gear, the small gear, the bottom plate, the cover plate, the slide bar and all parts of the mechanism are all of the same thickness and size, the design simplifies the purchase of materials, and the processing of parts is facilitated.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a front view of the overall structure of the present invention;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a schematic view of the structure of the primary and secondary cams of the present invention;
FIG. 6 is a schematic view of a slide bar according to the present invention.
Labeling and describing: 1. a pinion gear; 2. a bottom plate; 3. a base; 4. a driving device; 5. a large gear; 6. a cover plate; 7. a slide bar; 8. a main cam; 9. a sub cam; 10. a spacer; 11. v-shaped swing rod; 12. clamping springs; 13. a flange bearing; 14. a pin shaft; 15. an upper roller; 16. a lower roller; 17. a bolt; 18. a long hole; 19. and a roller seat.
Detailed Description
A cam yarn cutting device for a glove knitting machine according to an embodiment of the present invention will be further described with reference to fig. 1 to 6.
The utility model provides a cam yarn cutting device for glove knitting machine, includes bottom plate 22, the outside of bottom plate 22 is equipped with drive arrangement 4, the inboard rotation of bottom plate 22 is connected with gear wheel 5, connect gradually V-arrangement pendulum rod 11 and pinion 1 on drive arrangement 4's the power shaft, pinion 1 with gear wheel 5 meshing, one side of gear wheel 5 be equipped with V-arrangement pendulum rod 11's V-arrangement groove complex centrifugal wheel, the opposite side fixedly connected with auxiliary cam 9 and main cam 8 in proper order, be equipped with base 3 on bottom plate 22, be equipped with the recess on the base 3, be equipped with slide bar 7 in the recess, slide bar 7 one side upper and lower both ends are equipped with gyro wheel 15 and lower gyro wheel 16 respectively, go up gyro wheel 15 and lower gyro wheel 16 respectively with main cam 8 and auxiliary cam 9 contact, base 3 is kept away from the one end of bottom plate 22 is connected with apron 6. The upper end of the slide bar 7 is connected with a yarn cutting device, the upper end of the V-shaped swing rod 11 is connected with a yarn grabbing device, and the driving device 4 is a motor. When the yarn grabbing device works, the motor operates to drive the large gear 5 meshed with the small gear 1 on the motor power shaft to rotate, and the centrifugal wheel matched with the V-shaped swing rod 11 on one side of the large gear 5 swings up and down along with the rotation of the large gear, so that the yarn grabbing device connected with the large gear 5 operates. Simultaneously, the large gear 5 rotates to drive the main cam 8 and the auxiliary cam 9 to rotate, the main cam 8 drives the slide bar 7 to move upwards through the upper roller 15, the auxiliary cam 9 drives the slide bar 7 to move downwards through the lower roller 16, and the slide bar 7 swings up and down, so that the operation of the yarn cutting device connected with the upper end of the slide bar 7 is realized. When the yarn cutting device works, the V-shaped swing rod 11 is firstly used for hooking yarns, the sliding rod 7 is opened to prepare yarn cutting when the V-shaped swing rod 11 hooks yarns, and when the V-shaped swing rod 11 finishes yarn hooking, the sliding rod 7 is used for yarn cutting. The invention has the advantages of simplicity, compactness, small volume, low running noise and long service life, and can greatly improve the economic benefit of enterprises.
In this embodiment, the main cam 8 and the sub cam 9 are preferably conjugate cams.
In this embodiment, preferably, the large gear 5, the main cam 8 and the auxiliary cam 9 are rotatably connected with the bottom plate 22 through the pin 14, and are jointly connected with the bottom plate 22 through the pin 14, so that synchronous rotation can be ensured.
In this embodiment, preferably, the main cam 8 and the auxiliary cam 9 are fixed on the large gear 5 by bolts 17, a spacer 10 is arranged between the auxiliary cam 9 and the large gear 5, and the auxiliary cam 9 and the large gear 5 are separated by the spacer 10, so that friction damage between the auxiliary cam 9 and the large gear 5 is avoided.
In this embodiment, preferably, the diameter of two ends of the pin 14 is smaller than that of the middle, two ends of the pin are respectively mounted on the bottom plate 22 and the cover plate 6 through flange bearings 13, the flanges of the two ends of the pin face inwards and lean against the shaft shoulder, and the steps of the outer ring of the pin are respectively mounted on the bottom plate 22 and the cover plate 6.
In this embodiment, preferably, two ends of the pin 14 are provided with the clamp springs 12, and a combination of the main cam 8, the auxiliary cam 9 and the large gear 5 is arranged between the two clamp springs 12 to prevent the main cam 8, the auxiliary cam 9 and the large gear from moving along the axial direction of the pin 14.
In this embodiment, preferably, the sliding rod 7 is Y-shaped, the middle is provided with a long hole 18, the upper roller 15 and the lower roller 16 are offset and arranged mutually, the sliding rod 7 is Y-shaped, the middle is provided with a long hole 18, the lower end of the sliding rod 7 is provided with a pulley seat, the lower roller 16 is installed on the pulley seat and is offset from the main cam 8, the upper roller 15 and the lower roller 16 are offset and arranged, the upper roller 15 is offset left and contacts with the main cam 8, and the lower roller 16 is offset right and contacts with the auxiliary cam 9. When the sliding rod 7 is in operation, the main cam 8 drives the upper roller 15 to enable the sliding rod 7 to be pushed upwards, the auxiliary cam 9 drives the lower roller 16 to enable the sliding rod 7 to be pressed downwards, and the sliding rod 7 can swing up and down in a circulating and reciprocating mode.
In this embodiment, preferably, the V-shaped swing rod 11 is disposed between the bottom plate 22 and the large gear 5, and the bottom end is provided with a mounting hole, and is mounted on a power shaft of the driving device 4 through a bearing.
In the preferred embodiment, the main cam 8, the auxiliary cam 9, the large gear 5, the small gear 1, the bottom plate 22, the cover plate 6 and the slide bar 7 all adopt the same thickness dimension, and the materials with the same thickness are adopted for each part, so that the material purchase is simplified, and the part processing is facilitated.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (7)
1. A cam yarn cutting device for glove knitting machine, characterized by: the novel centrifugal machine comprises a bottom plate, wherein a driving device is arranged on the outer side of the bottom plate, a large gear is rotationally connected to the inner side of the bottom plate, a V-shaped swing rod and a small gear are sequentially connected to a power shaft of the driving device, the small gear is meshed with the large gear, a centrifugal wheel matched with a V-shaped groove of the V-shaped swing rod is arranged on one side of the large gear, a secondary cam and a primary cam are sequentially and fixedly connected to the other side of the large gear, a base is arranged on the bottom plate, a groove is formed in the base, a slide bar is arranged in the groove, an upper roller and a lower roller are respectively arranged at the upper end and the lower end of one side of the slide bar, the upper roller and the lower roller are respectively contacted with the primary cam and the secondary cam, and a cover plate is connected to one end of the base, which is far away from the bottom plate;
the main cam and the auxiliary cam are conjugate cams;
The sliding rod is Y-shaped, a long hole is formed in the middle of the sliding rod, and the upper roller and the lower roller are arranged in a staggered and offset mode.
2. The cam yarn cutting device for a glove knitting machine according to claim 1, characterized in that: the large gear, the main cam and the auxiliary cam are rotationally connected with the bottom plate through pin shafts.
3. A cam yarn cutting device for a glove knitting machine as claimed in claim 2 characterised by: the main cam and the auxiliary cam are fixed on the large gear through bolts, and a spacer is arranged between the auxiliary cam and the large gear.
4. A cam yarn cutting device for a glove knitting machine as claimed in claim 2 characterised by: the diameters of two ends of the pin shaft are smaller than the diameter of the middle, and the two ends of the pin shaft are respectively arranged on the bottom plate and the cover plate through flange bearings.
5. The cam yarn cutting device for a glove knitting machine according to claim 4, characterized in that: and clamping springs are arranged at two ends of the pin shaft.
6. The cam yarn cutting device for a glove knitting machine according to claim 1, characterized in that: the V-shaped swing rod is arranged between the bottom plate and the large gear, the bottom end of the V-shaped swing rod is provided with a mounting hole, and the V-shaped swing rod is mounted on a power shaft of the driving device through a bearing.
7. A cam yarn cutting device for a glove knitting machine according to any of claims 1 to 6 characterised by: the main cam, the auxiliary cam, the large gear, the small gear, the bottom plate, the cover plate and the slide bar all adopt the same thickness dimension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910468040.1A CN110106619B (en) | 2019-05-31 | 2019-05-31 | Cam yarn cutting device for glove knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910468040.1A CN110106619B (en) | 2019-05-31 | 2019-05-31 | Cam yarn cutting device for glove knitting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110106619A CN110106619A (en) | 2019-08-09 |
| CN110106619B true CN110106619B (en) | 2024-06-18 |
Family
ID=67493303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910468040.1A Active CN110106619B (en) | 2019-05-31 | 2019-05-31 | Cam yarn cutting device for glove knitting machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN110106619B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208167243U (en) * | 2018-05-16 | 2018-11-30 | 浙江睿丰智能科技有限公司 | A kind of driving mechanism for flat braiding machine yarn cutting device |
| CN210314711U (en) * | 2019-05-31 | 2020-04-14 | 绍兴市强生精机制造有限公司 | Cam yarn cutting device for glove machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100629307B1 (en) * | 2006-06-30 | 2006-10-02 | 주식회사 동성정밀 | Cutting of knitting yarn and finishing apparatus of glove knitting machine |
| CN108277573A (en) * | 2018-03-21 | 2018-07-13 | 兰善兵 | A kind of flat braiding machine |
| CN108708048A (en) * | 2018-08-10 | 2018-10-26 | 浙江鹤群智能装备股份有限公司 | A kind of novel high speed Tucked-in selvage apparatus |
-
2019
- 2019-05-31 CN CN201910468040.1A patent/CN110106619B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208167243U (en) * | 2018-05-16 | 2018-11-30 | 浙江睿丰智能科技有限公司 | A kind of driving mechanism for flat braiding machine yarn cutting device |
| CN210314711U (en) * | 2019-05-31 | 2020-04-14 | 绍兴市强生精机制造有限公司 | Cam yarn cutting device for glove machine |
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| Publication number | Publication date |
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| CN110106619A (en) | 2019-08-09 |
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