CN219991864U - Threading mechanism of flat knitting machine bottom lifting device - Google Patents
Threading mechanism of flat knitting machine bottom lifting device Download PDFInfo
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- CN219991864U CN219991864U CN202123048740.7U CN202123048740U CN219991864U CN 219991864 U CN219991864 U CN 219991864U CN 202123048740 U CN202123048740 U CN 202123048740U CN 219991864 U CN219991864 U CN 219991864U
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- flat knitting
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- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 238000009940 knitting Methods 0.000 title claims abstract description 31
- 238000004804 winding Methods 0.000 claims abstract description 47
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 230000006698 induction Effects 0.000 claims description 19
- 239000000523 sample Substances 0.000 claims description 19
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 5
- 230000037452 priming Effects 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 238000005491 wire drawing Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Knitting Machines (AREA)
Abstract
The utility model provides a threading mechanism of a flat knitting machine bottom lifting device, and belongs to the technical field of flat knitting machines. The threading mechanism of the flat knitting machine bottom lifting device comprises a base, a driver, a winding disc, a wire feeding wheel and a wire pressing wheel, and further comprises a wire outlet guide opening arranged on the upper portion of the base, wherein the driver is respectively connected with the winding disc and the wire feeding wheel through a transmission assembly and enables the winding disc and the wire feeding wheel to rotate in the same direction, the wire feeding wheel is arranged between the winding disc and the wire outlet guide opening, the wire pressing wheel is oppositely arranged with the wire feeding wheel, and a sealing wire penetrates out from the wire outlet guide opening after penetrating through the wire feeding wheel and the wire pressing wheel from the wire outlet opening of the winding disc, and the wire outlet guide opening faces a sealing wire guide tube of a bottom lifting plate. The threading mechanism is accurate and reliable in threading and threading, and the condition that the locking wire is deviated and not in place can not occur.
Description
Technical Field
The utility model belongs to the technical field of flat knitting machines, and particularly relates to a threading mechanism of a bottom lifting device of a flat knitting machine.
Background
The flat knitting machine belongs to one kind of knitting machine, and is especially one kind of flat knitting machine, and the main structure includes one bottom raising device, one machine body, one machine head and one frame. When knitting, firstly, the bottom lifting device is used for lifting, then the bottom lifting plate moves downwards to provide tension for the knitted piece, and when the knitted piece is pulled to the cloth rolling roller to be closed and then the knitted piece can be pulled normally, the bottom lifting device moves downwards to the reset position, so that the bottom lifting work is completed, the yarn waste generated in the knitting process can be reduced, and the production cost is saved.
In the priming device, the threading mechanism is used for penetrating the blocking threads into the priming plate so that the blocking threads can block the primarily knitted fabric, the priming plate can grasp the fabric and pull down, and the stability and reliability of the operation of the threading mechanism have great influence on the priming process. The existing threading mechanism only adopts a simple driving/winding device, and faults such as out-of-place wire drawing/feeding, excessive wire drawing/feeding or deviation and the like frequently occur in the actual working process, and equipment shutdown maintenance is often required.
Disclosure of Invention
Accordingly, an object of the present utility model is to provide a threading mechanism of a bottom lifting device of a flat knitting machine, which solves the above-mentioned problems in the prior art.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a flat-bed machine plays a thread mechanism of end device for with locking the silk and penetrate play the end needle or take out from playing the end needle with locking the silk, thread mechanism includes the base, driver, coiling dish, send silk wheel and wire pressing wheel, still including setting up the play silk guiding mouth on base upper portion, the driver is connected with coiling dish, wire feeding wheel respectively and makes coiling dish, wire feeding wheel do the syntropy rotation through drive assembly, wire feeding wheel sets up between coiling dish and play silk guiding mouth, wire pressing wheel with it sets up relatively to send the silk wheel, locking the silk and wearing out from play silk guiding mouth after passing wire feeding wheel and wire pressing wheel from the play silk mouth of coiling dish, play silk guiding mouth is towards the locking silk guiding tube of play bottom plate.
In the threading mechanism of the flat knitting machine bottom lifting device, the threading mechanism further comprises an tightness adjusting component, the tightness adjusting component comprises an adjusting arm, an adjusting bolt and a bolt seat, the bolt seat is fixedly connected to the base, the adjusting bolt penetrates through the adjusting seat from the side portion of the bolt seat and then is connected with one end of the adjusting arm, the wire pressing wheel is connected to the other end of the adjusting arm in a rotating mode, and the position, close to the wire pressing wheel, on the adjusting arm is hinged to the base.
In the threading mechanism of the bottom lifting device of the flat knitting machine, the wire outlet guide opening is provided with the wire outlet guide pipe, and the wire outlet guide pipe is in butt joint with the sealing wire guide pipe of the bottom lifting plate.
In the threading mechanism of the flat knitting machine bottom lifting device, the side part of the winding disc is provided with the first sensor, the sensing probe of the first sensor extends towards the disc surface of the winding disc, the disc surface of the winding disc is provided with the first sensing magnetic block, the first sensing magnetic block rotates around the axis of the winding disc along with the winding action of the winding disc, and the sensing probe of the first sensor detects the rotation number of turns of the first sensing magnetic block to count and outputs a first control signal to the driver.
In the threading mechanism of the flat knitting machine bottom lifting device, a pulling sheet is arranged on a rotating shaft of the winding disc, a second sensor is arranged on the side portion of the winding disc, a wheel disc is arranged on the second sensor, the wheel disc is provided with a plurality of pulling rods which are uniformly distributed, the pulling rods are close to the pulling sheet and can be pulled by the pulling sheet, at least one pulling rod is provided with a second induction magnetic block, an induction probe of the second sensor faces the wheel disc, and the induction probe of the second sensor detects the rotation times of the second induction magnetic block to count and output a second control signal to the driver.
In the threading mechanism of the flat knitting machine bottom starting device, the threading mechanism further comprises a third sensor, the third sensor is arranged at the end part of the bottom starting plate, the pinholes of the bottom starting plate of the sensing probes of the third sensor are opposite, and when the blocking wire is abutted to the sensing probes of the third sensor, the third sensor outputs a third control signal to the driver.
In the threading mechanism of the bottom lifting device of the flat knitting machine, the driver comprises a control circuit and a driving motor, and receives the first control signal, the second control signal and the third control signal and controls the driving motor to forward or reverse to realize threading or filament collecting actions.
In the threading mechanism of the flat knitting machine bottom lifting device, the transmission assembly is arranged in the base and comprises an output gear coaxial with the driving motor, a winding gear coaxial with the winding disc, a transition gear rotationally connected to the base and a wire feeding gear coaxial with the wire feeding wheel, wherein the wire feeding output gear, the winding gear are meshed, and the transition gear and the wire feeding gear are meshed in sequence.
In the threading mechanism of the bottom lifting device of the flat knitting machine, the outer peripheral surface of the wire feeding wheel is also provided with a wire feeding groove.
Compared with the prior art, the threading mechanism of the flat knitting machine bottom lifting device has the following advantages: the wire outlet direction is guided through the wire outlet guide opening, so that the locking wire can accurately penetrate into the pinhole of the bottom plate, and accurate wire penetration is realized; the first sensor and the second sensor are used for carrying out multi-signal joint control in combination with the third sensor, so that whether the locking wire is in place or not can be accurately detected: the first sensor and the second sensor can be used for accurately counting the wire outlet length or the wire collecting length of the locking wire, and whether the locking wire continuously acts or not is controlled by the control driver; the third sensor is used for aligning with the pinhole, so that signal loss caused by second deviation of the locking wire during detection is avoided, and the detection is more accurate and in place; the wire outlet guide opening is arranged on the wire outlet guide pipe which is in butt joint with the wire blocking guide pipe of the base plate, so that perfect transition of the blocking wire from the winding disc to the base plate is realized, and the deflection of the blocking wire is avoided.
Drawings
Fig. 1 is a schematic structural view of a threading mechanism of an embodiment.
Fig. 2 is an enlarged view at a of fig. 1.
Fig. 3 is an enlarged view at B of fig. 1.
Fig. 4 is a schematic structural view of the internal transmission assembly of the base.
Fig. 5 is a control schematic diagram of the threading mechanism of the embodiment.
In the figure, 1, a base; 2. a driver; 3. a winding disc; 4. wire feeding wheel; 5. wire pressing wheel; 6. a slack adjuster assembly; 7. a wire outlet guide port; 8. a transmission assembly; 9. an adjusting arm; 10. an adjusting bolt; 11. a bolt seat; 12. a blocking wire; 13. a seal wire guide tube; 14. a lifting plate; 15. a wire outlet guide tube; 16. a first sensor; 17. a first induction magnetic block; 18. a second sensor; 19. a pulling piece; 20. a wheel disc; 21. a deflector rod; 22. a second induction magnetic block; 23. a third sensor; 24. a bottom lifting needle; 25. a pinhole; 26. a control circuit; 27. a driving motor; 28. an output gear; 29. a winding gear; 30. a transition gear; 31. wire feeding gears; 32. a wire feeding groove.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1, the threading mechanism of the bottom device of the flat knitting machine is used for threading the locking wire 12 into the bottom needle 24 on the bottom plate 14 or withdrawing the locking wire 12 from the bottom needle 24. The device comprises a base 1, a driver 2, a winding disc 3, a wire feeding wheel 4, a wire pressing wheel 5 and an tightness adjusting component 6, wherein a wire outlet guide opening 7 is formed in the upper portion of the base 1, the driver 2 is respectively connected with the winding disc 3 and the wire feeding wheel 4 through a transmission component 8, the winding disc 3 and the wire feeding wheel 4 rotate in the same direction, the wire feeding wheel 4 is arranged between the winding disc 3 and the wire outlet guide opening 7, the tightness adjusting component 6 comprises an adjusting arm 9, an adjusting bolt 10 and a bolt seat 11, the bolt seat 11 is fixedly connected to the base 1, the adjusting bolt 10 penetrates through the adjusting seat from the side portion of the bolt seat 11 and then is connected with one end of the adjusting arm 9, the wire pressing wheel 5 is rotationally connected to the other end of the adjusting arm 9, the position, close to the wire pressing wheel 5, on the adjusting arm 9 is hinged to the base 1, the wire pressing wheel 5 is oppositely arranged with the wire feeding wheel 4, a sealing wire 12 penetrates through the wire outlet of the winding disc 3 and the wire pressing wheel 5, then penetrates out of the wire outlet guide opening 7, and the sealing wire outlet guide opening 7 faces a sealing wire guide tube 13 of a bottom plate 14.
In order to further improve the wire discharging accuracy and avoid the deviation of the locking wire 12, a wire feeding groove 32 is formed on the peripheral surface of the wire feeding wheel 4, and a wire discharging guide tube 15 is arranged on the wire discharging guide opening 7, and the wire discharging guide tube 15 is in butt joint with the locking wire guide tube 13 of the base plate 14, as shown in fig. 2.
In order to improve the accuracy of threading and wire collection, three sensors are provided in this embodiment. Specifically, the method comprises the following steps:
the first sensor 16 is arranged at the lower side of the winding disc 3, the sensing probe of the first sensor 16 extends towards the disc surface of the winding disc 3, a first sensing magnetic block 17 is arranged on the disc surface of the winding disc 3, the first sensing magnetic block 17 rotates around the axial lead of the winding disc 3 along with the winding action of the winding disc 3, and the sensing probe of the first sensor 16 detects the rotation number of turns of the first sensing magnetic block 17 to count and outputs a first control signal to the driver 2.
The second sensor 18 is arranged on the upper side of the winding disc 3, a shifting sheet 19 is arranged on a rotating shaft of the winding disc 3, a wheel disc 20 is arranged on the second sensor 18, the wheel disc 20 is provided with a plurality of shifting rods 21 which are uniformly distributed, the shifting rods 21 are close to the shifting sheets 19 and can be shifted by the shifting sheets 19, at least one shifting rod 21 is provided with a second induction magnetic block 22, an induction probe of the second sensor 18 faces the wheel disc 20, and the induction probe of the second sensor 18 detects the rotation times of the second induction magnetic block 22 to count and output a second control signal to the driver 2.
As shown in fig. 3, the third sensor 23 is disposed at the end of the base plate 14, the sensing probe of the third sensor 23 faces the needle hole 25 of the base needle 24, and when the locking wire 12 abuts against the sensing probe of the third sensor 23, the third sensor 23 outputs a third control signal to the driver 2.
As shown in fig. 5, the driver 2 in this embodiment includes a control circuit 26 and a driving motor 27, and the driver 2 receives the first control signal, the second control signal and the third control signal and controls the driving motor 27 to forward or reverse to realize a wire feeding or wire receiving action.
As shown in fig. 4, the inside of the base 1 is hollow, the transmission assembly 8 is arranged in the base 1, the transmission assembly 8 comprises an output gear 28 coaxial with the driving motor 27, a winding gear 29 coaxial with the winding disc 3, a transition gear 30 rotatably connected to the base 1 and a wire feeding gear 31 coaxial with the wire feeding wheel 4, and the winding output gear 28, the winding gear 29 are meshed, and the transition gear 30 and the wire feeding gear 31 are sequentially meshed.
The threading mechanism provided by the utility model is subjected to repeated experiments on a prototype, and good accuracy is obtained. In the specific implementation, the tightness of the wire pressing wheel 5 pressed on the wire feeding wheel 4 is regulated by the tightness regulating component 6, so that the wire feeding process is ensured not to slide, and accurate wire feeding is ensured; simultaneously, a plurality of sensors are combined to accurately detect the rotation number of the winding disc 3 and whether the locking wire 12 is in place, so that the accuracy and reliability of wire threading and wire drawing are ensured.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (9)
1. The utility model provides a threading mechanism of flat-bed machine play end device for penetrating locking silk (12) and play end needle (24) or will lock silk (12) and take out from play end needle (24), threading mechanism includes base (1), driver (2), coiling dish (3), wire feed wheel (4) and wire pressing wheel (5), its characterized in that still includes wire outlet guide mouth (7) that set up in base (1) upper portion, driver (2) are connected with coiling dish (3), wire feed wheel (4) respectively and make coiling dish (3), wire feed wheel (4) do the syntropy rotation, wire feed wheel (4) set up between coiling dish (3) and wire outlet guide mouth (7), wire pressing wheel (5) with wire feed wheel (4) set up relatively, locking silk (12) pass wire outlet guide mouth (7) from wire outlet guide mouth (4) and wire pressing wheel (5) back of coiling dish (3), wire feed wheel (7) are worn out from wire outlet guide mouth (7) and are oriented towards the bottom plate (13) of sealing silk.
2. Threading mechanism of flat knitting machine bottom lifting device according to claim 1, characterized in that it further comprises a tightness adjusting component (6), the tightness adjusting component (6) comprises an adjusting arm (9), an adjusting bolt (10) and a bolt seat (11), the bolt seat (11) is fixedly connected to the base (1), the adjusting bolt (10) penetrates through the adjusting seat from the side of the bolt seat (11) and then is connected to one end of the adjusting arm (9), the wire pressing wheel (5) is rotatably connected to the other end of the adjusting arm (9), and the position, close to the wire pressing wheel (5), of the adjusting arm (9) is hinged to the base (1).
3. Threading mechanism of a flat knitting machine bottom lifting device according to claim 1 or 2, characterized in that the wire outlet guide opening (7) is provided with a wire outlet guide tube (15), and the wire outlet guide tube (15) is in butt joint with a locking wire guide tube (13) of the bottom lifting plate (14).
4. The threading mechanism of the flat knitting machine bottom lifting device according to claim 1 or 2, characterized in that a first sensor (16) is arranged on the side portion of the winding disc (3), an induction probe of the first sensor (16) extends towards the disc surface of the winding disc (3), a first induction magnetic block (17) is arranged on the disc surface of the winding disc (3), the first induction magnetic block (17) rotates around the axis line of the winding disc (3) along with the winding action of the winding disc (3), and the induction probe of the first sensor (16) detects the rotation number of the first induction magnetic block (17) to count and outputs a first control signal to the driver (2).
5. The threading mechanism of the flat knitting machine bottom lifting device according to claim 4, characterized in that a pulling sheet (19) is arranged on a rotating shaft of the winding disc (3), a second sensor (18) is arranged on the side portion of the winding disc (3), a wheel disc (20) is arranged on the second sensor (18), the wheel disc (20) is provided with a plurality of pulling rods (21) which are uniformly distributed, the pulling rods (21) are close to the pulling sheet (19) and can be pulled by the pulling sheet (19), at least one pulling rod (21) is provided with a second induction magnetic block (22), an induction probe of the second sensor (18) faces the wheel disc (20), and the induction probe of the second sensor (18) detects the rotation times of the second induction magnetic block (22) to count and outputs a second control signal to the driver (2).
6. The threading mechanism of the flat knitting machine bottom lifting device according to claim 5, characterized in that the threading mechanism further comprises a third sensor (23), the third sensor (23) is arranged at the end part of the bottom lifting plate (14), a needle hole (25) of the sensing probe bottom lifting plate (14) of the third sensor (23) is opposite, and when the blocking wire (12) is abutted against the sensing probe of the third sensor (23), the third sensing probe outputs a third control signal to the driver (2).
7. The threading mechanism of the flat knitting machine bottom device according to claim 6, characterized in that the driver (2) includes a control circuit (26) and a driving motor (27), and the driver (2) receives the first control signal, the second control signal and the third control signal and controls the driving motor (27) to forward or reverse.
8. Threading mechanism of a flat knitting machine priming device according to claim 7, characterized in that a take-up transmission assembly (8) is arranged in the base (1), said transmission assembly (8) comprises an output gear (28) coaxial with the driving motor (27), a take-up gear (29) coaxial with the winding disc (3), a transition gear (30) rotatably connected to the base (1) and a wire feeding gear (31) coaxial with the wire feeding wheel (4), the take-up output gear (28), the take-up gear (29) are meshed, and the transition gear (30) and the wire feeding gear (31) are meshed in sequence.
9. The threading mechanism of the bottom lifting device of the flat knitting machine according to claim 1 or 2, characterized in that a wire feeding groove (32) is further formed on the outer peripheral surface of the wire feeding wheel (4).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022933011 | 2020-12-07 | ||
| CN2020229330119 | 2020-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219991864U true CN219991864U (en) | 2023-11-10 |
Family
ID=88611094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123048740.7U Active CN219991864U (en) | 2020-12-07 | 2021-12-06 | Threading mechanism of flat knitting machine bottom lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219991864U (en) |
-
2021
- 2021-12-06 CN CN202123048740.7U patent/CN219991864U/en active Active
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