CN110670215A - Pneumatic yarn expansion device for reeding machine - Google Patents
Pneumatic yarn expansion device for reeding machine Download PDFInfo
- Publication number
- CN110670215A CN110670215A CN201911202003.2A CN201911202003A CN110670215A CN 110670215 A CN110670215 A CN 110670215A CN 201911202003 A CN201911202003 A CN 201911202003A CN 110670215 A CN110670215 A CN 110670215A
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- yarn
- half ring
- fixed
- pneumatic
- deflation
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
- D03J1/00—Auxiliary apparatus combined with or associated with looms
- D03J1/14—Apparatus for threading warp stop-motion droppers, healds, or reeds
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
- D03J1/00—Auxiliary apparatus combined with or associated with looms
- D03J1/02—Auxiliary apparatus combined with or associated with looms for treating warp, e.g. cleaning, moistening
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Warping, Beaming, Or Leasing (AREA)
Abstract
The invention discloses a pneumatic yarn expanding device for a reeding machine, which comprises a rack, a warp beam, a supporting roller, a bottom plate and a yarn expanding rod, wherein a yarn clamping mechanism, a heald frame support and a yarn expanding support are arranged on the rack, a yarn distributor cross beam is arranged on the heald frame support, a yarn distributor guide rail is arranged on the yarn distributor cross beam, the yarn expanding rod is arranged on the yarn expanding support, the warp beam is rotatably arranged on the bottom plate, and the pneumatic yarn expanding device also comprises a buckling mechanism, a pneumatic pushing mechanism, an air discharging mechanism and a yarn expanding adjusting mechanism, wherein the buckling mechanism is detachably arranged on the yarn expanding rod, and the pneumatic pushing mechanism, the air. The yarn expanding rod is clamped by the fixed half ring and the movable half ring, so that the air releasing valve core seals the air releasing channel to facilitate air releasing to the air inlet, the pneumatic pushing mechanism pushes the warp beam to rotate to expand yarns, the yarn expanding adjusting mechanism can properly release the air and adjust the expansion amount, the operation is convenient, the existing expansion structure is simplified, the expansion stress condition is improved, the warp deformation is reduced, the warp state is good, the tension is proper, and the normal operation of the yarn distributor is ensured.
Description
Technical Field
The invention relates to the technical field of textile equipment, in particular to a pneumatic yarn expanding device for a reeding machine.
Background
Reeding is a very important link in textile engineering, and the efficiency of reeding directly influences the progress of the textile engineering. After the warps are hung, the warp state must be good, the density is uniform, the tension is proper, and the foundation for ensuring the normal operation of the yarn divider is provided. In the existing reeding machine, a yarn clamping device is used for clamping warp yarns, a tensioning mechanism is used for tensioning the warp yarns, the warp yarns on a warp beam sequentially pass through a yarn tensioning rod and a yarn distributor guide rail and then are clamped by the yarn clamping mechanism, but the existing tensioning mechanism is complex in structure, the warp yarns are stressed unevenly, the warp yarns are led to be large in deformation, and the yarn tensioning operation is inconvenient.
Therefore, there is a need for an improved yarn tensioning device.
Disclosure of Invention
The invention aims to solve the problems and designs a pneumatic yarn expanding device for a reeding machine.
The invention achieves the technical scheme that the pneumatic yarn expanding device for the reeding machine comprises a rack, a warp beam, a supporting roller, a bottom plate and a yarn expanding rod, wherein a yarn clamping mechanism, a heald frame support and a yarn expanding support are installed on the rack, a yarn distributor cross beam is installed on the heald frame support, a yarn distributor guide rail is installed on the yarn distributor cross beam, the yarn expanding rod is installed on the yarn expanding support, the warp beam is rotatably arranged on the bottom plate, the pneumatic yarn expanding device further comprises a buckling mechanism detachably installed on the yarn expanding rod and a pneumatic pushing mechanism connected with the buckling mechanism, and the pneumatic pushing mechanism is used for pushing the warp beam to rotate so as to expand yarns.
Furthermore, the buckling mechanism comprises a fixed semi-ring, a movable semi-ring, a hinge and a clamping mechanism, wherein one end of the fixed semi-ring is hinged to one end of the movable semi-ring through the hinge, and the other end of the fixed semi-ring is clamped to the other end of the movable semi-ring through the clamping mechanism.
Further, the clamping mechanism comprises a first hinged seat, a lever, a first spring and a pawl, the movable half ring is provided with the first hinged seat and the first spring, the middle of the lever is hinged to the first hinged seat, the pawl is fixed to the other end, connected with the first spring, of one end of the lever, the fixed half ring is provided with a clamping groove used for being clamped with the pawl, and when the pawl is clamped with the clamping groove, the fixed half ring is buckled with the movable half ring to form a ring for clamping the yarn expanding rod.
Further, the gear is installed to the warp beam tip, pneumatic pushing mechanism includes cylinder block, second spring, piston rod, check valve, connecting rod and mixes the tooth, second spring and piston are installed at the cylinder block inner chamber, piston and cylinder block sliding seal are connected, piston rod one end and piston fixed connection, the piston rod other end stretches out the cylinder block and with fixed semi-ring fixed connection, the cover is equipped with the second spring on the piston rod, second spring both ends respectively with piston and cylinder block butt, the cylinder block is fixed with the connecting rod dorsad to the one end that the piston rod stretches out the end, install on the connecting rod and be used for promoting the tooth of mixing of gear, on the cylinder block and be located the adjacent both sides of connecting rod and be equipped with air inlet and gas vent respectively, air inlet department installs the check valve.
The deflation mechanism comprises a deflation handle, a deflation valve core, a first guide block, a third spring, a second guide block, a first steel wire fixing block, a second steel wire fixing block and a steel wire rope, wherein the deflation handle is fixedly arranged on the cylinder body, the deflation handle is provided with a deflation channel and a valve core channel which are mutually communicated, the deflation channel is communicated with the exhaust port in a sealing way, the deflation valve core used for controlling deflation of the deflation channel is arranged in the valve core channel in a sliding and sealing way, the fixed semi-ring is provided with the first guide block, the movable semi-ring is provided with the first steel wire fixing block, the cylinder body is provided with the second guide block, one end of the deflation valve core, facing the second guide block, is fixedly provided with the second steel wire fixing block, the other end of the deflation valve core is provided with the third spring, and the third spring exerts a force which is opposite to the deflation valve core and is opposite to, one end of the steel wire rope is fixed on the first steel wire fixing block, the other end of the steel wire rope fixedly penetrates through the first guide block and the second guide block in sequence and then is connected with the second steel wire fixing block, and the first guide block and the second guide block are provided with channels allowing the steel wire rope to pass through; when the fixed semi-ring is buckled with the movable semi-ring, the deflation valve core seals the deflation channel.
Further, still including rising yarn adjustment mechanism, it includes connecting plate, the articulated seat of second, separation blade and gassing preforming to rise yarn adjustment mechanism, the connecting plate is fixed in the one end that the cylinder block was kept away from to the gassing handle, the connecting plate articulates through the articulated seat of second has the gassing preforming, the cooperation of gassing preforming other end and bleed valve core, be fixed with the separation blade that is used for restricting separation blade rotation angle on the connecting plate.
Furthermore, four groups of bearing seats are fixed on the bottom plate, the supporting rollers are installed in bearings of each group of bearing seats, warp beams are placed on the supporting rollers, and shaft discs of the warp beams are attached to the four supporting rollers.
Furthermore, a protruding block is fixed at one end of the piston, which is back to the piston rod.
Furthermore, a limiting ring is sleeved on the piston rod, and a set screw is radially installed on the limiting ring.
The invention has the beneficial effects that: the yarn expanding rod is clamped by the fixed half ring and the movable half ring, after clamping, the air release valve core seals the air release channel, after air is supplied to the air inlet, the pneumatic pushing mechanism pushes the warp beam to rotate so as to expand yarns, the air release valve core is pushed by the air release pressing sheet, the air release port can be opened, the expansion amount is adjusted, the operation is convenient, the device simplifies the existing expansion structure, improves the stress condition of expansion, reduces the deformation of the warp yarns, ensures that the warp yarns are in a good state and proper tension, and ensures the normal operation of the yarn distributor.
Drawings
FIG. 1 is a schematic structural view of a pneumatic yarn expanding device for a reeding machine according to the present invention;
FIG. 2 is a partial schematic view I of a pneumatic yarn expanding device for a reeding machine according to the present invention;
FIG. 3 is a partial schematic view of a pneumatic yarn expanding device for a reeding machine according to the present invention;
FIG. 4 is a schematic view of a part of a pneumatic yarn expanding device for a reeding machine in accordance with the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 1 at A;
FIG. 6 is an enlarged view of a portion of FIG. 1 at B;
FIG. 7 is an enlarged view of a portion of FIG. 1 at C;
FIG. 8 is a side view of a pneumatic yarn expanding device for a reeding machine according to the present invention;
in the figure, 1, a frame; 2. a heald frame support; 3. a yarn expanding bracket; 4. a warp beam; 5. a support roller; 6. a base plate; 7. a yarn expanding rod; 8. a spreader beam; 9. a yarn divider guide rail; 10. a stationary half ring; 11. a movable half ring; 12. a hinge; 13. a first hinge mount; 14. a lever; 15. a first spring; 16. a pawl; 17. a card slot; 18. a gear; 19. a cylinder block; 20. a second spring; 21. a piston; 22. a piston rod; 23. a one-way valve; 24. a connecting rod; 25. mixing teeth; 26. an air inlet; 27. an exhaust port; 28. an air release handle; 29. a relief valve core; 30. a first guide block; 31. a third spring; 32. a second guide block; 33. a first steel wire fixing block; 34. a second steel wire fixing block; 35. a wire rope; 36. an air discharge passage; 37. a spool passage; 38. a connecting plate; 39. a second hinge mount; 40. a baffle plate; 41. deflating and tabletting; 42. a bearing seat; 43. a raised block; 44. a limiting ring; 45. and (5) tightening the screw.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, as shown in fig. 1-8, a pneumatic yarn expansion device for a reeding machine comprises a frame 1, a warp beam 4, a supporting roller 5, a bottom plate 6 and a yarn expansion rod 7, wherein a yarn clamping mechanism, a heald frame support 2 and a yarn expansion support 3 are installed on the frame 1, a yarn distributor cross beam 8 is installed on the heald frame support 2, a yarn distributor guide rail 9 is installed on the yarn distributor cross beam 8, the yarn expansion rod 7 is installed on the yarn expansion support 3, the warp beam 4 is rotatably arranged on the bottom plate 6, the pneumatic yarn expansion device further comprises a buckling mechanism detachably installed on the yarn expansion rod 7 and a pneumatic pushing mechanism connected with the buckling mechanism, and the pneumatic pushing mechanism is used for pushing the warp beam 4 to rotate so as to expand yarns.
The buckling mechanism comprises a fixed semi-ring 10, a movable semi-ring 11, a hinge 12 and a clamping mechanism, one end of the fixed semi-ring 10 is hinged to one end of the movable semi-ring 11 through the hinge 12, and the other end of the fixed semi-ring 10 is clamped to the other end of the movable semi-ring 11 through the clamping mechanism.
The clamping mechanism comprises a first hinged seat 13, a lever 14, a first spring 15 and a pawl 16, the first hinged seat 13 and the first spring are installed on the movable half ring 11, the middle of the lever 14 is hinged to the first hinged seat 13, one end of the lever 14 is connected with the first spring 15, the other end of the lever is fixed with the pawl 16, a clamping groove 17 used for being clamped with the pawl 16 is formed in the fixed half ring 10, and when the pawl 16 is clamped with the clamping groove 17, the fixed half ring 10 and the movable half ring 11 are buckled to form a circular ring for clamping the yarn expansion rod 7.
The end part of the warp beam 4 is provided with a gear 18, the pneumatic pushing mechanism comprises a cylinder block 19, a second spring 20, a piston 21, a piston rod 22, a one-way valve 23, a connecting rod 24 and a mixing tooth 25, the second spring 20 and the piston 21 are arranged in an inner cavity of the cylinder block 19, the piston 21 is connected with the cylinder block 19 in a sliding and sealing manner, one end of the piston rod 22 is fixedly connected with the piston 21, the other end of the piston rod 22 extends out of the cylinder block 19 and is fixedly connected with the fixed semi-ring 10, the second spring 20 is sleeved on the piston rod 22, two ends of the second spring 20 are respectively abutted against the piston 21 and the cylinder block 19, one end of the cylinder block 19, which is back to the extending end of the piston rod 22, is fixedly provided with the connecting rod 24, the mixing tooth 25 used for pushing the gear 18 is arranged.
The deflation mechanism comprises a deflation handle 28, a deflation valve core 29, a first guide block 30, a third spring 31, a second guide block 32, a first steel wire fixing block 33, a second steel wire fixing block 34 and a steel wire rope 35, wherein the deflation handle 28 is fixedly arranged on the cylinder block 19, a deflation channel 36 and a valve core channel 37 which are mutually communicated are arranged on the deflation handle 28, the deflation channel 36 is hermetically communicated with the exhaust port 27, a deflation valve core 29 for controlling the deflation of the deflation channel 36 is arranged in the valve core channel 37 in a sliding and sealing manner, the first guide block 30 is arranged on the fixed half ring 10, the first steel wire fixing block 33 is arranged on the movable half ring 11, the second guide block 32 is arranged on the cylinder block 19, the second steel wire fixing block 34 is fixed at one end of the deflation valve core 29 facing the second guide block 32, the third spring 31 is arranged at the other end of the deflation valve core 29, and the third spring 31 applies a force which is opposite to the second, one end of a steel wire rope 35 is fixed on the first steel wire fixing block 33, the other end of the steel wire rope 35 fixedly penetrates through the first guide block 30 and the second guide block 32 in sequence and then is connected with the second steel wire fixing block 34, and the first guide block 30 and the second guide block 32 are both provided with channels allowing the steel wire rope 35 to pass through; when the stationary half ring 10 is engaged with the movable half ring 11, the air release valve core 29 closes the air release passage 36 to close the air release port 27, and when the stationary half ring 10 is disengaged from the movable half ring 11, the air release valve core 29 does not close the air release passage 36 to open the air release port 27.
In order to adjust the tension force conveniently, the yarn tension adjusting mechanism is arranged and comprises a connecting plate 38, a second hinged seat 39, a blocking piece 40 and an air release pressing piece 41, the connecting plate 38 is fixed at one end, far away from the cylinder body 19, of the air release handle 28, the connecting plate 38 is hinged to the air release pressing piece 41 through the second hinged seat 39, the other end of the air release pressing piece 41 is matched with the air release valve core 29, the blocking piece 40 used for limiting the rotation angle of the blocking piece 40 is fixed on the connecting plate 38, and the blocking piece 40 is vertically fixed on the connecting plate 38.
Be fixed with four groups bearing frame 42 on the bottom plate 6, backing roll 5 is installed in the bearing of every group bearing frame 42, has placed warp beam 4 on backing roll 5, and two back shafts hold up 4 one ends of warp beam, and two back shafts hold up 4 other ends of warp beam in addition, and four back shafts hold up warp beam 4 jointly, and the reel of warp beam 4 and the laminating of four backing rolls 5.
A protrusion 43 is fixed to an end of the piston 21 facing away from the piston rod 22, and the protrusion 43 is provided to always provide a certain space between the intake port 26 and the piston 21, thereby facilitating ventilation to the cylinder block 19.
The piston rod 22 is sleeved with a limit ring 44, and a set screw 45 is radially arranged on the limit ring 44. The movement of the cylinder block 19 to the retainer ring 44 is restricted by the retainer ring 44, so that the cylinder block 19 can be fixed to prevent the warp from loosening even when the cylinder block 19 leaks.
FIG. 4 is a partial schematic view of the pneumatic yarn-expanding device of the present invention, which comprises a buckling mechanism, a pneumatic pushing mechanism, an air-releasing mechanism, a yarn-expanding adjusting mechanism, a limiting and fastening screw 45; FIG. 3 is a partial schematic view of the pneumatic yarn-expanding device of the present invention without the structure shown in FIG. four; the mechanism shown in fig. 4 is mounted in the mechanism shown in fig. 3, i.e., constitutes the mechanism shown in fig. 1.
The working principle of the embodiment is as follows: the warp on the warp beam 4 passes through a yarn expanding rod 7 and a yarn divider guide rail 9 in sequence and then is clamped by a yarn clamping mechanism, when yarn is expanded, a clamping mechanism is firstly arranged at the yarn expanding rod 7, a movable semi-ring 11 is rotated, one end of a lever 14 connected with a first spring 15 is pressed down, a pawl 16 is lifted, so that a fixed semi-ring 10 and the movable semi-ring 11 are close to each other, the fixed semi-ring 10 and the movable semi-ring 11 are sleeved on the yarn expanding rod 7, after the fixed semi-ring 10 and the movable semi-ring 11 are closed, the first spring 15 pushes the lever 14 to enable the pawl 16 to descend and be clamped into a clamping groove 17 under the action of the elastic force of the first spring 15, and therefore the fixed semi-ring 10 and the movable semi-ring;
when the fixed half ring 10 is buckled with the movable half ring 11, the distance between the first steel wire fixing block 33 and the second steel wire fixing block 34 is increased, the first steel wire fixing block 33 can pull the steel wire rope 35 to enable the air release valve core 29 to move towards the second guide block 32, and when the fixed half ring 10 is buckled with the movable half ring 11, the air release valve core 29 closes the air release channel 36 so as to facilitate ventilation to the cylinder block 19;
then, air is introduced into the cylinder block 19 through the air inlet 26, the air pressure in the cylinder block 19 is increased, the piston 21 and the piston rod 22 are kept fixed because the piston rod 22 is fixed on the fixed half ring 10, the cylinder block 19 moves towards one side of the warp beam 4, the connecting rod 24 moves along with the cylinder block 19, the gear 18 is stirred by the stirring teeth 25, the warp beam 4 slightly rotates anticlockwise, warp yarns are finely adjusted, and the warp yarns are tensioned and uniformly stressed;
if the tensioning force is large, the deflation pressing sheet 41 can be properly pushed, the deflation pressing sheet 41 pushes the deflation valve core 29, the third spring 31 is compressed, the deflation channel 36 is not closed after the deflation valve core 29 moves, partial pressure gas in the cylinder block 19 is exhausted from the exhaust port 27 and the deflation channel 36, so that the air pressure in the cylinder block 19 is reduced, the connecting rod 24 is reset by one end distance under the elastic force action of the second spring 20, and the stirring teeth 25 drive the gear ring and the warp beam 4 to rotate clockwise slightly, so that the tensioning force is reduced; after the adjustment is completed, the limiting ring 44 is shifted, the limiting ring 44 is moved to the end part of the cylinder block 19, the set screw 45 is screwed, the set screw 45 compresses the piston rod 22, and the limiting ring 44 is fixed on the piston rod 22, so that the cylinder block 19 can be still fixed when the cylinder block 19 leaks air, the cylinder block 19 is prevented from moving to the limiting ring 44, and warp yarns are prevented from loosening.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a pneumatic yarn device that rises for reeding machine, includes frame (1), warp beam (4), backing roll (5), bottom plate (6) and rises yarn stick (7), install on frame (1) and press from both sides yarn mechanism, heald frame support (2) and rise yarn support (3), install on heald frame support (2) divider crossbeam (8), install divider guide rail (9) on divider crossbeam (8), it installs on rising yarn support (3) to rise yarn stick (7), warp beam (4) rotatable setting is on bottom plate (6), its characterized in that still includes the lock mechanism of demountable installation on rising yarn stick (7), the pneumatic pushing mechanism who is connected with lock mechanism, pneumatic pushing mechanism is used for pushing away warp beam (4) and rotates in order to rise the yarn.
2. The pneumatic yarn expansion device for the reeding machine according to claim 1, wherein the buckling mechanism comprises a fixed half ring (10), a movable half ring (11), a hinge (12) and a clamping mechanism, one end of the fixed half ring (10) is hinged with one end of the movable half ring (11) through the hinge (12), and the other end of the fixed half ring (10) is clamped with the other end of the movable half ring (11) through the clamping mechanism.
3. The pneumatic yarn expanding device for the reeding machine according to claim 2, wherein the clamping mechanism comprises a first hinged seat (13), a lever (14), a first spring (15) and a pawl (16), the first hinged seat (13) and the spring are installed on the movable half ring (11), the middle of the lever (14) is hinged to the first hinged seat (13), the pawl (16) is fixed to one end of the lever (14) connected with the first spring (15) and the other end of the lever, a clamping groove (17) used for being clamped with the pawl (16) is formed in the fixed half ring (10), and when the pawl (16) is clamped with the clamping groove (17), the fixed half ring (10) is buckled with the movable half ring (11) to form a circular ring for clamping the yarn expanding rod (7).
4. The pneumatic yarn expanding device for the reeding machine according to claim 3, wherein a gear (18) is mounted at the end of the warp beam (4), the pneumatic pushing mechanism comprises a cylinder body (19), a second spring (20), a piston (21), a piston rod (22), a one-way valve (23), a connecting rod (24) and a stirring tooth (25), the second spring (20) and the piston (21) are mounted in an inner cavity of the cylinder body (19), the piston (21) is connected with the cylinder body (19) in a sliding and sealing manner, one end of the piston rod (22) is fixedly connected with the piston (21), the other end of the piston rod (22) extends out of the cylinder body (19) and is fixedly connected with the fixed half ring (10), the second spring (20) is sleeved on the piston rod (22), and two ends of the second spring (20) are respectively abutted against the piston (21) and the cylinder body (19), one end that cylinder block (19) stretches out the end dorsad piston rod (22) is fixed with connecting rod (24), install on connecting rod (24) and be used for promoting mixing tooth (25) of gear (18), cylinder block (19) are gone up and are located the adjacent both sides of connecting rod (24) and are equipped with air inlet (26) and gas vent (27) respectively, check valve (23) are installed in air inlet (26) department.
5. The pneumatic yarn expanding device for the reeding machine according to claim 4, further comprising a deflation mechanism, wherein the deflation mechanism comprises a deflation handle (28), a deflation valve core (29), a first guide block (30), a third spring (31), a second guide block (32), a first steel wire fixing block (33), a second steel wire fixing block (34) and a steel wire rope (35), the deflation handle (28) is fixedly installed on the cylinder block (19), the deflation handle (28) is provided with a deflation channel (36) and a valve core channel (37) which are communicated with each other, the deflation channel (36) is hermetically communicated with the exhaust port (27), the deflation valve core channel (37) is internally and hermetically provided with a deflation valve core (29) for controlling the deflation of the deflation channel (36), the fixed half ring (10) is provided with the first guide block (30), the movable half ring (11) is provided with the first steel wire fixing block (33), a second guide block (32) is mounted on the cylinder body (19), a second steel wire fixing block (34) is fixed at one end, facing the second guide block (32), of the air release valve core (29), a third spring (31) is mounted at the other end of the air release valve core (29), one end of a steel wire rope (35) is fixed on the first steel wire fixing block (33), the other end of the steel wire rope (35) is fixedly connected with the second steel wire fixing block (34) after sequentially penetrating through the first guide block (30) and the second guide block (32), and channels allowing the steel wire rope (35) to pass through are formed in the first guide block (30) and the second guide block (32); when the fixed half ring (10) is buckled with the movable half ring (11), the air release valve core (29) seals the air release channel (36).
6. The pneumatic yarn expanding device for the reeding machine according to claim 5, further comprising a yarn expanding adjusting mechanism, wherein the yarn expanding adjusting mechanism comprises a connecting plate (38), a second hinged seat (39), a blocking piece (40) and an air release pressing piece (41), the connecting plate (38) is fixed at one end, away from the cylinder body (19), of the air release handle (28), the connecting plate (38) is hinged to the air release pressing piece (41) through the second hinged seat (39), the other end of the air release pressing piece (41) is matched with the air release valve core (29), and the blocking piece (40) used for limiting the rotating angle of the blocking piece (40) is fixed on the connecting plate (38).
7. The pneumatic yarn expanding device for the reeding machine is characterized in that four groups of bearing seats (42) are fixed on the bottom plate (6), the supporting rollers (5) are installed in bearings of each group of bearing seats (42), the warp beam (4) is placed on the supporting rollers (5), and a reel of the warp beam (4) is attached to the four supporting rollers (5).
8. Pneumatic yarn expansion device for reeding machines according to claim 4, characterized in that a bulge block (43) is fixed to the end of the piston (21) facing away from the piston rod (22).
9. The pneumatic yarn expanding device for the reeding machine as claimed in claim 4, wherein a limiting ring (44) is sleeved on the piston rod (22), and a set screw (45) is radially installed on the limiting ring (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911202003.2A CN110670215B (en) | 2019-11-30 | 2019-11-30 | Pneumatic yarn expanding device for reeding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911202003.2A CN110670215B (en) | 2019-11-30 | 2019-11-30 | Pneumatic yarn expanding device for reeding machine |
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| CN110670215A true CN110670215A (en) | 2020-01-10 |
| CN110670215B CN110670215B (en) | 2023-08-29 |
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| JPH03841A (en) * | 1989-05-26 | 1991-01-07 | Tsudakoma Corp | Warp yarn tension regulator and conveyor equipped therewith |
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| CN202829417U (en) * | 2012-09-13 | 2013-03-27 | 湖南辰州矿业股份有限公司 | Car puller spring piston type tensioner |
| CN102916538A (en) * | 2012-10-26 | 2013-02-06 | 山东中际电工装备股份有限公司 | Wire tensioning device on pin-type winding machine of motor rotors |
| CN103523578A (en) * | 2013-10-31 | 2014-01-22 | 恒天重工股份有限公司 | Pneumatic tension control device |
| CN211367911U (en) * | 2019-11-30 | 2020-08-28 | 大名县巨华机械科技有限公司 | Pneumatic yarn expansion device for reeding machine |
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