CN115058818B

CN115058818B - 2.5D multi-fell fabric automatic weft insertion device

Info

Publication number: CN115058818B
Application number: CN202210871155.7A
Authority: CN
Inventors: 洪文斌; 张加顶; 龚明
Original assignee: Jiande Xinding Fiber Material Co ltd
Current assignee: Jiande Xinding Fiber Material Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2023-06-30
Anticipated expiration: 2042-07-22
Also published as: CN115058818A

Abstract

The invention relates to the technical field of automatic weft insertion devices, and discloses a 2.5D multi-weaving-port fabric automatic weft insertion device which comprises a pontoon base, a floating plate, yarn rollers, weft accumulators and air nozzles, wherein the pontoon base is upwards opened, auxiliary telescopic rods are symmetrically and fixedly arranged in the pontoon base, the upper ends of the auxiliary telescopic rods are fixedly connected with the bottom wall of the floating plate so that the floating plate can move up and down along the telescopic track of the auxiliary telescopic rods, the upper end face of the floating plate is symmetrically and fixedly provided with yarn frame plates, bearings are arranged on the yarn frame plates, and two ends of the yarn rollers are arranged in inner rings of the bearings so that the yarn rollers can rotate relative to the yarn frame plates. According to the invention, when the upper eccentric rotary table and the lower eccentric rotary table rotate, the sliding plate is driven by the upper traction rope and the lower traction rope to circularly shift up and down so as to drive the floating plate to adjust the weft insertion opening up and down, so that reciprocating transposition is realized, and the nozzles of the ceramic spray pipes can be in one-to-one correspondence when warp yarns are switched up and down to expose weft insertion openings at different positions.

Description

2.5D multi-fell fabric automatic weft insertion device

Technical Field

The invention relates to the technical field of automatic weft insertion devices, in particular to a 2.5D multi-fell fabric automatic weft insertion device.

Background

Weft insertion devices are devices that introduce weft yarns into a shed that interweave with warp yarns to form a fabric. Among several shuttleless looms, an air jet loom is the one with the highest speed, and has the advantages of reasonable weft insertion mode, higher weft insertion rate, simple and safe operation, wider variety adaptability, less material consumption, high efficiency, high speed, low noise and the like, the quartz knitting material used in various fields such as aerospace needs to have a certain thickness, the finished product after the knitting is finished has better firmness and flat tension by increasing the thickness of a warp layer to improve the thickness of the knitted fabric in the prior improved process, and compared with the single-layer knitting, the overall effect is better when the single-layer knitting is used for laminating and sewing, but the multi-layer warp yarn has weft insertion openings with a plurality of heights during the knitting, and the height of the traditional weft insertion device can not be adjusted along with the opening and closing of the weft insertion openings.

Disclosure of Invention

The invention aims to solve the technical problems that: in order to overcome the problems in the prior art, an automatic weft insertion device for a 2.5D multi-fell fabric is provided, which solves the problems.

The invention solves the technical problems by adopting the following technical scheme:

the utility model provides a 2.5D multi-fell fabric automatic weft insertion device, includes flotation pontoon base, kickboard, yarn roller, weft accumulator, air jet, the flotation pontoon base upwards open and in the interior symmetry of flotation pontoon base is fixed and is equipped with auxiliary telescopic handle, and auxiliary telescopic handle's upper end with the diapire fixed connection of flotation board makes the kickboard can follow auxiliary telescopic handle's flexible orbit reciprocates, the up end symmetry of flotation board is fixed and is equipped with the yarn frame board and be equipped with the bearing on the yarn frame board the both ends of yarn roller set up in the inner circle of bearing makes the yarn roller can rotate relative the yarn frame board, weft accumulator with air jet fixes the upper end of flotation board, the last intercommunication of air jet is equipped with the air supply pipe, the front end fixed intercommunication of air jet has the ceramic spray pipe, the yarn of coiling storage on the yarn roller passes behind the weft accumulator penetrates in the air jet and extends forward to the beating-up sword front end, the lower end middle part of the floating plate is fixedly provided with a hanging plate, the lower end of the hanging plate is provided with an upper eccentric turntable, the floating barrel base is internally fixedly provided with a propeller frame, the middle part of the propeller frame is provided with a gear plate, gear holes are arranged on the gear plate at intervals and are connected in series with a gear shifting groove, the diameter of each gear hole is larger than the groove width of each gear shifting groove, the sliding plate is arranged in the gear holes and the gear shifting groove in a sliding manner up and down, the floating barrel base is internally provided with an upper eccentric turntable and a lower eccentric turntable in a rotating manner, the upper eccentric turntable is positioned right above the gear plate, the lower eccentric turntable is positioned right below the gear plate, an upper traction rope is fixedly connected between the upper eccentric turntable and the sliding plate, a lower traction rope is fixedly connected between the lower eccentric turntable and the sliding plate, the upper traction rope and the lower traction rope have elasticity, and when the upper eccentric rotary table and the lower eccentric rotary table rotate, the sliding plate is driven by the upper traction rope and the lower traction rope to circularly shift up and down so as to drive the floating plate to adjust the weft insertion opening up and down.

In an embodiment, the slide plate comprises a bottom shell, a telescopic block and a cover plate, wherein a partition plate is arranged in the bottom shell, screw hole seats are symmetrically and fixedly arranged on two sides of the partition plate, the cover plate is pressed on the bottom shell, screw holes are symmetrically formed in the cover plate and are connected with the screw hole seats through screws, the telescopic block is arranged in a clamping cavity of the bottom shell and the cover plate in a sliding manner and is provided with a reset spring between the telescopic block and the partition plate, the telescopic block is in an unfolding state under the thrust of the reset spring when the slide plate is in a gear hole, the telescopic block is extruded by the inner side wall of the gear shifting groove to be retracted when the slide plate slides into the gear shifting groove under the combined action of the upper traction rope and the lower traction rope, the lower traction rope or the upper traction rope elastic potential energy is arranged after the lower eccentric turntable rotates, the lower traction rope or the upper traction rope elastic potential energy is accumulated, the telescopic block can be separated from the reset spring when the lower traction rope is separated from the reset spring, and the lower traction rope is moved to the original gear position or the original position is lowered when the slide plate is moved to the original gear position, and the original position potential energy is stored in the gear shifting position.

In an embodiment, the auxiliary telescopic rod comprises a sleeve and a telescopic core rod, wherein the lower end of the sleeve is fixed on the inner bottom wall of the pontoon base, the telescopic core rod is inserted into the sleeve in a vertically sliding manner, the upper end of the telescopic core rod is fixedly connected with the bottom wall of the floating plate, graphite strips are fixed on the annular array of the inner wall of the sleeve, and the outer cylindrical surface of the telescopic core rod is in friction contact with the graphite strips.

In one embodiment, the lower end of the pontoon base is symmetrically and laterally fixed with a fixed lug plate, the fixed lug plate is provided with a threaded hole for a fixing bolt to pass through, and the fixing bolt passes through the threaded hole on the fixed lug plate and then is connected to the spinning machine.

In one embodiment, permanent magnet sheets are fixedly arranged in the gear holes in one-to-one correspondence.

In one embodiment, the gear holes are fixedly provided with electromagnets in one-to-one correspondence, and the electromagnets are externally connected with current adjusting devices.

In one embodiment, a front frame plate is fixedly arranged on the floating plate, and the ceramic spray pipe extends forwards and penetrates through the front frame plate.

In one embodiment, the floating pontoon comprises a floating plate, a dust-proof cloth, a floating plate and a floating plate, wherein the floating plate is arranged on the floating plate, the floating plate is provided with a plurality of floating plates, the floating plates are arranged on the floating plate, and the floating plate is provided with a plurality of floating plates.

In one embodiment, a silica gel cushioning pad is fixedly arranged on the lower end surface of the floating plate.

The invention has the advantages and positive effects that: when the upper eccentric rotary table and the lower eccentric rotary table rotate, the sliding plate is driven by the upper traction rope and the lower traction rope to circularly shift up and down so as to drive the floating plate to adjust the weft insertion opening up and down, so that reciprocating transposition is realized, the nozzles of the ceramic spray pipes can be in one-to-one correspondence when warp yarns are switched up and down to expose weft insertion openings at different positions, compared with the prior art, the driving mode is more efficient and the load on the motor is less, faults are not easy to occur due to the fact that the motor is driven by the motor, the gear position of each gear shifting is more accurate, the situation that the position of the sliding plate shifts up and down due to the accumulated error of the motor is avoided, the floating plate is more stable due to the guiding effect of the auxiliary telescopic rod, and the sliding of the telescopic core rod is smoother due to the self-lubricating characteristic of the graphite strips.

Drawings

The invention will be further described with reference to the drawings and examples.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic perspective view of a pontoon base according to the invention;

FIG. 4 is a schematic diagram of the structure of the present invention;

FIG. 5 is a schematic view of a slider structure according to the present invention;

FIG. 6 is a schematic diagram of the structure and operation of the upper eccentric turntable, gear plate, lower eccentric turntable, slide plate, permanent magnet sheet in the present invention.

The index marks in the drawings are as follows: 10. a pontoon base; 11. fixing the ear plate; 12. a fixing bolt; 13. an auxiliary telescopic rod; 14. a telescopic core rod; 15. a sleeve; 16. graphite strips; 17. a yarn carrier plate; 18. a floating plate; 19. a yarn roller; 20. a gas nozzle; 21. an air supply pipe; 22. a ceramic nozzle; 23. a front shelf plate; 24. a weft accumulator; 25. a gear plate; 26. a propeller strut; 27. an upper eccentric turntable; 28. a lower eccentric turntable; 29. a slide plate; 30. a traction rope is arranged on the upper part; 31. a lower traction rope; 32. a permanent magnet sheet; 33. a gear hole; 34. a shift slot; 35. a cover plate; 36. a telescopic block; 37. a bottom case; 38. a partition plate; 39. a return spring; 40. a screw hole seat; 41. screw holes; 42. a dust-proof cloth; 43. and a hanger plate.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.

Embodiments of the invention are described in further detail below with reference to the attached drawing figures:

as shown in fig. 1-6, the 2.5D multi-fell fabric automatic weft insertion device according to the present invention comprises a pontoon base 10, a floating plate 18, yarn rollers 19, a weft accumulator 24, and air nozzles 20, wherein the pontoon base 10 is opened upward and is symmetrically and fixedly provided with auxiliary telescopic rods 13 in the pontoon base 10, the upper ends of the auxiliary telescopic rods 13 are fixedly connected with the bottom wall of the floating plate 18 so that the floating plate 18 can move up and down along the telescopic track of the auxiliary telescopic rods 13, the upper end surface of the floating plate 18 is symmetrically and fixedly provided with yarn frame plates 17, bearings are arranged on the yarn frame plates 17, two ends of the yarn rollers 19 are arranged in the inner rings of the bearings so that the yarn rollers 19 can rotate relative to the yarn 17, the weft accumulator 24 and the air nozzles 20 are fixed at the upper ends of the floating plate 18, the air nozzles 20 are communicated with air supply pipes 21, the front end of the air nozzle 20 is fixedly communicated with a ceramic spray pipe 22, yarn wound and stored on the yarn roller 19 passes through the weft accumulator 24, then penetrates into the air nozzle 20 and extends forwards to the front end of a beating-up rapier, a hanging plate 43 is fixedly arranged in the middle of the lower end of the floating plate 18, an upper eccentric rotary table 27 is arranged at the lower end of the hanging plate 43, a propeller bracket 26 is fixedly arranged in the floating pontoon base 10, a gear plate 25 is arranged in the middle of the propeller bracket 26, gear holes 33 are arranged on the gear plate 25 at intervals, a gear shifting groove 34 is connected between the gear holes 33 in series, the diameter of the gear holes 33 is larger than the groove width of the gear shifting groove 34, a sliding plate 29 is arranged in the gear holes 33 and the gear shifting groove 34 in a sliding way up and down, an upper eccentric rotary table 27 and a lower eccentric rotary table 28 are arranged in the floating pontoon base 10 in a rotating way, the upper eccentric rotary table 27 is positioned right above the gear plate 25, the lower eccentric turntable 28 is located under the gear plate 25, an upper traction rope 30 is fixedly connected between the upper eccentric turntable 27 and the sliding plate 29, a lower traction rope 31 is fixedly connected between the lower eccentric turntable 28 and the sliding plate 29, the upper traction rope 30 and the lower traction rope 31 have elasticity (the upper eccentric turntable 27 and the lower eccentric turntable 28 are driven by a motor and are fixed in the buoy base 10, not shown in the figure), and when the upper eccentric turntable 27 and the lower eccentric turntable 28 rotate, the sliding plate 29 is driven by the upper traction rope 30 and the lower traction rope 31 to shift in an up-down circulation manner so as to drive the floating plate 18 to adjust weft insertion openings up and down.

In one embodiment, the slide plate 29 comprises a bottom shell 37, a telescopic block 36 and a cover plate 35, wherein a partition plate 38 is arranged in the bottom shell 37, screw hole seats 40 are symmetrically and fixedly arranged on two sides of the partition plate 38, the cover plate 35 is pressed on the bottom shell 37, screw holes 41 are symmetrically arranged on the cover plate 35, screw connection is arranged between the screw holes 41 and the screw hole seats 40, the telescopic block 36 is symmetrically arranged in a clamping cavity of the bottom shell 37 and the cover plate 35 in a sliding manner, a return spring 39 is arranged between the telescopic block 36 and the partition plate 38, when the slide plate 29 is in a stretched state under the thrust of the return spring 39 in the gear position hole 33, when the upper traction rope 30 and the lower traction rope 31 jointly act to pull the slide plate 29 to slide into the gear shifting groove 34, the telescopic block 36 is extruded by the inner side wall of the gear shifting groove 34 to be retracted, so that the lower traction rope 31 or the upper traction rope 30 accumulates elastic potential energy when the lower eccentric turntable 28 and the upper eccentric turntable 27 are rotated, the sliding plate 29 moves to the next gear apart from the original gear when the elastic potential energy accumulation of the lower traction rope 31 or the upper traction rope 30 can make the telescopic block 36 overcome the return spring 39, and in this process, the elastic potential energy of the lower traction rope 31 or the upper traction rope 30 is reduced and the sliding plate 29 is unfolded in the new gear to realize the gear shift, while the upper eccentric turntable 27 and the lower eccentric turntable 28 are still rotated but for the time for the rapier to beat up before enough driving the sliding plate 29 to realize the next gear shift, when the lower traction rope 31 or the upper traction rope 30 accumulates elastic potential energy enough to drive the sliding plate 29 to shift gears, the sliding plate 29 can quickly shift gears through the gear shifting grooves 34, so that the nozzle of the ceramic nozzle 22 points to weft insertion openings at different positions.

In one embodiment, the auxiliary telescopic rod 13 includes a sleeve 15 and a telescopic core rod 14, the lower end of the sleeve 15 is fixed on the inner bottom wall of the buoy base 10, the telescopic core rod 14 is inserted in the sleeve 15 in a vertically sliding manner, the upper end of the telescopic core rod 14 is fixedly connected with the bottom wall of the floating plate 18, graphite strips 16 are fixed on the annular array on the inner wall of the sleeve 15, the outer cylindrical surface of the telescopic core rod 14 is in friction contact with the graphite strips 16, the floating plate 18 is more stable during vertical gear shifting through the guiding function of the auxiliary telescopic rod 13, and the sliding of the telescopic core rod 14 is smoother due to the self-lubricating characteristic of the graphite strips 16.

In one embodiment, the lower end of the buoy base 10 is symmetrically and laterally fixed with a fixing lug plate 11, the fixing lug plate 11 is provided with a threaded hole for a fixing bolt 12 to pass through, and the fixing bolt 12 passes through the threaded hole on the fixing lug plate 11 and then is connected to the spinning machine.

In one embodiment, permanent magnet pieces 32 are fixedly arranged in the gear holes 33 in a one-to-one correspondence manner, so that when the sliding plate 29 is in traction shift of the lower traction rope 31 and the upper traction rope 30, the sliding plate 29 is clamped into a stable position which can be fast after the gear holes 33, and the wire outlet holes of the ceramic spray pipe 22 are fast directed to weft insertion openings.

In one embodiment, the gear holes 33 are fixedly provided with electromagnets in a one-to-one correspondence manner, and the electromagnets are externally provided with current adjusting devices, so that the suction force adjustable electromagnets are adopted to facilitate the adjustment of suction force in the actual installation debugging stage so that the displacement time line of the slide plate 29 and the weft insertion port adjustment time line are more consistent.

In one embodiment, the floating plate 18 is fixedly provided with a front frame plate 23, the ceramic nozzle 22 extends forward and passes through the front frame plate 23, and the stability of the ceramic nozzle 22 is improved by the front frame plate 23 to avoid the root of the ceramic nozzle 22 from breaking under continuous gear shifting operation.

In one embodiment, the anti-dust device further comprises a dustproof cloth 42, the dustproof cloth 42 is cylindrical, the lower end of the dustproof cloth 42 is fixed on the upper end face of the buoy base 10, the upper end of the dustproof cloth 42 is fixed on the lower end face of the floating plate 18, the dustproof cloth 42 has elasticity, and when the floating plate 18 shifts gears, the dustproof cloth 42 continuously stretches and stretches to adapt to prevent external fiber flock from entering the buoy base 10 to influence the action of internal moving parts.

In one embodiment, a silica gel cushion is fixedly arranged on the lower end surface of the floating plate 18.

It should be emphasized that the examples described herein are illustrative rather than limiting, and therefore the invention is not limited to the examples described in the detailed description, but rather falls within the scope of the invention as defined by other embodiments derived from the technical solutions of the invention by those skilled in the art.

Claims

1. A 2.5D multi-fell fabric automatic weft insertion device, characterized in that: including flotation pontoon base (10), floating plate (18), yarn roller (19), yarn storage device (24), air jet (20), flotation pontoon base (10) upwards open and be in flotation pontoon base (10) internal symmetry is fixed and is equipped with supplementary telescopic link (13), and the upper end of supplementary telescopic link (13) with the diapire fixed connection of floating plate (18) makes floating plate (18) can follow the flexible orbit of supplementary telescopic link (13) reciprocates, the up end symmetry of floating plate (18) is fixed and is equipped with yarn frame plate (17) and be equipped with the bearing on yarn frame plate (17) and yarn roller (19) both ends set up in the inner circle of bearing make yarn roller (19) can be relative yarn frame plate (17) take place to rotate, yarn storage device (24) with air jet (20) are fixed the upper end of floating plate (18), the upper intercommunication is equipped with air supply pipe (21), the front end of air jet (20) is fixed to be equipped with the front end intercommunication has yarn frame plate (17) and is equipped with yarn carrier (43) to extend to the middle part in the upper and lower end of air jet (43) of yarn storage device (19) is equipped with yarn carrier (43), the floating pontoon base (10) is internally and fixedly provided with a propeller strut (26) and is provided with a gear plate (25) at the middle part of the propeller strut (26), a gear hole (33) is arranged on the gear plate (25) at intervals, a gear shifting groove (34) is connected in series between the gear holes (33), the diameter of the gear holes (33) is larger than the groove width of the gear shifting groove (34), the floating pontoon base also comprises a sliding plate (29), the sliding plate (29) is arranged in the gear hole (33) and the gear shifting groove (34) in a sliding manner up and down, an upper eccentric turntable (27) and a lower eccentric turntable (28) are rotationally arranged on the floating pontoon base (10), the upper eccentric turntable (27) is positioned right above the gear plate (25), the lower eccentric turntable (28) is positioned right below the gear plate (25), an upper traction rope (30) is fixedly connected between the upper eccentric turntable (27) and the sliding plate (29), the lower eccentric turntable (28) is fixedly connected with the upper traction rope (31) and the lower traction rope (31), when the upper eccentric rotary table (27) and the lower eccentric rotary table (28) rotate, the sliding plate (29) is driven by the upper traction rope (30) and the lower traction rope (31) to circularly shift up and down so as to drive the floating plate (18) to adjust the weft insertion opening up and down.

2. The automatic weft insertion device for 2.5D multi-fell fabric according to claim 1, wherein: the sliding disc (29) comprises a bottom shell (37), a telescopic block (36) and a cover plate (35), a partition plate (38) is arranged in the bottom shell (37), screw hole seats (40) are symmetrically and fixedly arranged on two sides of the partition plate (38), the cover plate (35) is pressed on the bottom shell (37), screw holes (41) are symmetrically arranged on the cover plate (35), screw connections are arranged between the screw holes (41) and the screw hole seats (40), the telescopic block (36) is symmetrically and horizontally arranged in a clamping cavity of the bottom shell (37) and the cover plate (35), a reset spring (39) is arranged between the telescopic block (36) and the partition plate (38), when the sliding disc (29) is in the gear hole (33), the telescopic block (36) is in an unfolding state under the thrust of the reset spring (39), when the upper traction rope (30) and the lower traction rope (31) jointly act to pull the sliding disc (29) to the groove (34), the sliding disc (34) is pressed by the telescopic block (36) and the eccentric traction rope (30) is eccentrically pressed on the lower side wall (27) to rotate, and the eccentric turntable (30) is eccentrically accumulated in the eccentric turntable (27), when the elastic potential energy of the lower traction rope (31) or the upper traction rope (30) is accumulated to enable the telescopic block (36) to overcome the reset spring (39), the sliding disc (29) moves to the next gear from the original gear.

3. A 2.5D multi-fell fabric automatic weft insertion device according to claim 2, wherein: the auxiliary telescopic rod (13) comprises a sleeve (15) and a telescopic core rod (14), the lower end of the sleeve (15) is fixed on the inner bottom wall of the pontoon base (10), the telescopic core rod (14) is inserted into the sleeve (15) in an up-down sliding manner, the upper end of the telescopic core rod (14) is fixedly connected with the bottom wall of the floating plate (18), graphite strips (16) are fixed on the annular array of the inner wall of the sleeve (15), and the outer cylindrical surface of the telescopic core rod (14) is in friction and offset with the graphite strips (16).

4. A 2.5D multi-fell fabric automatic weft insertion device according to any one of claims 1 to 3, wherein: the lower extreme bilateral symmetry of flotation pontoon base (10) is fixed and is equipped with fixed otic placode (11), be equipped with the screw hole that supplies fixing bolt (12) to pass on fixed otic placode (11), fixing bolt (12) pass behind the screw hole on fixed otic placode (11) connect to on the weaving machine.

5. The automatic weft insertion device for 2.5D multi-fell fabric according to claim 4, wherein: permanent magnet sheets (32) are fixedly arranged in the gear holes (33) in one-to-one correspondence.

6. The automatic weft insertion device for 2.5D multi-fell fabric according to claim 4, wherein: the gear holes (33) are internally and fixedly provided with electromagnets in one-to-one correspondence, and the electromagnets are externally connected with current adjusting devices.

7. A 2.5D multi-fell fabric automatic weft insertion device according to claim 5 or 6, wherein: the floating plate (18) is fixedly provided with a front frame plate (23), and the ceramic spray pipe (22) extends forwards and penetrates through the front frame plate (23).

8. A 2.5D multi-fell fabric automatic weft insertion device according to claim 1 or 2 or 3 or 5 or 6, wherein: the floating pontoon base is characterized by further comprising a dustproof cloth (42), wherein the dustproof cloth (42) is cylindrical, the lower end of the dustproof cloth (42) is fixed on the upper end face of the floating pontoon base (10), the upper end of the dustproof cloth (42) is fixed on the lower end face of the floating plate (18), and the dustproof cloth (42) has elasticity.

9. The automatic weft insertion device for 2.5D multi-fell fabric according to claim 8, wherein: the lower end face of the floating plate (18) is fixedly provided with a silica gel cushioning pad.