CN114045584A - Traction device and method for producing covered yarn - Google Patents
Traction device and method for producing covered yarn Download PDFInfo
- Publication number
- CN114045584A CN114045584A CN202111573114.1A CN202111573114A CN114045584A CN 114045584 A CN114045584 A CN 114045584A CN 202111573114 A CN202111573114 A CN 202111573114A CN 114045584 A CN114045584 A CN 114045584A
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- sleeve
- sliding
- traction
- fixed
- locking
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/36—Package-shaping arrangements, e.g. building motions, e.g. control for the traversing stroke of ring rails; Stopping ring rails in a predetermined position
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/10—Tension devices
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
- D01H9/02—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing completed take-up packages and replacing by bobbins, cores, or receptacles at take-up stations; Transferring material between adjacent full and empty take-up elements
- D01H9/16—Yarn-severing arrangements, e.g. for cutting transfer tails; Separating of roving in flyer
Abstract
The invention discloses a traction device and a method for producing covered yarn, which comprises an installation bottom plate, an installation bracket, a sliding cylinder, a fixed sleeve, a winding sleeve, a clamping block, a locking spring, a locking slide block, a U-shaped connecting rod, a locking column and a buffer spring, wherein the installation bracket is arranged on one side of the top of the installation bottom plate, and a connecting plate is arranged on the top of the installation bracket. Thereby improving the working stability of the device.
Description
Technical Field
The invention relates to the technical field of covered yarn production equipment, in particular to a traction device and a traction method for producing covered yarns.
Background
The covered yarn is also called wrapping yarn, is a yarn with a novel structure, and takes long filaments or short fibers as a yarn core, another long filament or short fiber yarn strip is wrapped outside the yarn core, the wrapped yarn covers the yarn core in a spiral mode, and the yarn is uniform in evenness, bulky and plump, smooth in yarn, little in hairiness, high in strength and few in broken ends, and is widely used in the textile industry, the yarn of the covered yarn needs to be pulled and wound in the production process of the covered yarn, and the wound yarn is taken out of a warehouse for forming after being wound, but most of the existing traction devices for producing the covered yarn are simple in structure and are not provided with a buffer mechanism, the yarn can impact equipment due to inertia effect when the equipment is started, the yarn is easy to break, and meanwhile, the traction equipment is difficult to adjust the position of pulling and winding in the process of pulling and winding the covered yarn, so that the yarn winding is uneven, and the quality of a finished product taken out of the warehouse is influenced, and the furling sleeve needs to be fixedly arranged on the traction shaft, and is disassembled and delivered out of the warehouse after traction is finished, so that the assembling and disassembling processes are complicated, and the labor intensity of production personnel is increased, therefore, the design of the traction device and the method for producing the covered yarn is necessary.
Disclosure of Invention
The invention aims to provide a traction device and a method for producing a covered yarn, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a production draw gear for covering yarn, includes mounting plate, installing support, connecting plate, rail brackets and the cylinder that slides, mounting plate's top one side is provided with the installing support, and the top of installing support is provided with the connecting plate, the bottom fixedly connected with rail brackets of connecting plate, and fixed mounting has the guide rail that slides among the rail brackets, and the cylinder that slides is installed in the cooperation on the guide rail that slides, and the bottom fixedly connected with spliced pole of the cylinder that slides, the bottom of spliced pole is provided with the carriage.
Preferably, the rotation is connected with the rotation platform in the recess that installing support one side was seted up, and the opposite side fixedly connected with traction motor of installing support, and traction motor's output runs through installing support and rotation platform fixed connection, and has cup jointed the axle that pulls in the rotation platform, pulls epaxial stopper that is provided with, pulls epaxial sliding connection and has fixed cover, and the inside recess and the stopper of seting up of fixed cover are mutually supported and are connected.
Preferably, one side of the fixed sleeve is provided with a connecting ring, the connecting ring is provided with a connecting chute, the connecting chute is connected with a connecting slide block in a sliding manner, and the top of the connecting slide block is fixedly connected with the bottom of the sliding frame.
Preferably, the fixed sleeve is slidably connected with the furling sleeve, a clamping block is connected in a matched manner in a groove formed in the bottom of the furling sleeve, the clamping block is fixedly connected with the fixed sleeve through a rotating shaft, a locking spring is arranged at the bottom of the clamping block, and the bottom of the locking spring is fixed on the fixed sleeve.
Preferably, sliding connection has the locking slider in the spout that the bottom of fixture block was seted up, and the one end of the articulated U type connecting rod in bottom of locking slider, and logical groove has been seted up to fixed cover and the junction of U type connecting rod, and the other end fixedly connected with locking post of U type connecting rod, and the through-hole has been seted up to fixed cover and the junction of locking post, and is provided with the spacing ring on the fixed cover, and one side and the roll-up sleeve of spacing ring are laminated each other.
Preferably, the installation base plate is provided with an installation platform at the center of the top, the top of the installation platform is rotatably connected with an installation column, and the top of the installation column is provided with a wire passing ring.
Preferably, one side of the mounting bracket far away from the top of the mounting base plate is provided with a buffering bracket, a buffering sliding groove is formed in the buffering bracket, a buffering sliding block is connected to the buffering sliding groove in a sliding mode and connected with a traction roller through a connecting rod in a matching mode, a buffering spring is fixedly connected to the top of the buffering sliding block, and the top of the buffering spring is fixed to the buffering bracket.
A traction method for producing wrap yarn comprises the steps of fixing a sleeve; fixing the yarns; step three, traction and winding; step four, unlocking and delivering the warehouse;
in the first step, the furling sleeve is sleeved on the fixing sleeve, so that one side of the furling sleeve is mutually attached to the limiting ring, and meanwhile, the clamping block is mutually matched and connected with a groove formed in the furling sleeve under the elastic action of the locking spring, so that the furling sleeve is fixedly installed;
in the second step, one end of the covered yarn is wound around the traction roller and then passes through the wire passing ring to be fixed on the winding sleeve, so that the covered yarn is fixed;
in the third step, the traction motor is enabled to work, then the traction motor drives the rotating table and the traction shaft to rotate around the axis of the traction shaft, the fixed sleeve and the winding sleeve are driven to rotate through the mutual matching connection of the limiting block arranged on the traction shaft and the fixed sleeve, the covered yarn is wound on the winding sleeve, meanwhile, the sliding cylinder reciprocates on the sliding guide rail to drive the connecting column, the sliding frame and the rotating table to reciprocate along the direction of the sliding guide rail, and further, in the process of traction and winding of the covered yarn, the fixed sleeve and the winding sleeve are driven to reciprocate, so that the covered yarn is uniformly wound on the winding sleeve;
wherein in the fourth step, draw and receive the back and cut cladding yarn, press the locking post afterwards, make the locking post drive U type connecting rod and remove to the inside of fixed cover, later U type connecting rod drive the locking slider and remove to the direction of keeping away from the roll-up sleeve, and then drive the fixture block and rotate around the pivot, remove the locking to the roll-up sleeve, later outwards extract the roll-up sleeve, accomplish the warehouse-out.
Compared with the prior art, the invention has the beneficial effects that: the traction device and the method for producing the covering yarn drive a clamping block to be mutually matched and connected with a groove arranged in a winding sleeve under the action of elastic force through a set locking spring to complete the fixed installation of the winding sleeve, then the locking column is pressed to drive a U-shaped connecting rod to move towards the inside of a fixed sleeve, then the U-shaped connecting rod drives a locking sliding block to move towards the direction away from the winding sleeve, further the clamping block is driven to rotate around a rotating shaft to remove the locking of the winding sleeve, the installation and the disassembly are simple, thereby the labor intensity of workers for replacing the winding sleeve is lightened, the fixed sleeve and the winding sleeve are driven to reciprocate in the process of traction and winding through a set sliding cylinder, the yarn is uniformly wound on the winding sleeve, the product quality after the delivery molding is improved, and the generated impact is buffered by extruding a buffer spring, when the device is started, the yarn is prevented from being broken due to overlarge tension borne by inertia, and therefore the working stability of the device is improved.
Drawings
FIG. 1 is a three-dimensional view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of area A of FIG. 1;
FIG. 3 is a front view of the overall structure of the present invention;
FIG. 4 is a partial enlarged view of the area B in FIG. 3;
FIG. 5 is a rear elevational view of the overall construction of the present invention;
FIG. 6 is an enlarged view of a portion of the area C in FIG. 5;
FIG. 7 is a three-dimensional view of a partial structure of the present invention;
FIG. 8 is a schematic view illustrating the installation of the latch according to the present invention;
FIG. 9 is a flow chart of a method of the present invention;
in the figure: 1. mounting a bottom plate; 2. mounting a bracket; 3. a connecting plate; 4. a rail bracket; 5. a sliding guide rail; 6. a slipping cylinder; 7. connecting columns; 8. a carriage; 9. a rotating table; 10. a traction motor; 11. a traction shaft; 12. a limiting block; 13. fixing a sleeve; 14. a connecting ring; 15. connecting the sliding chute; 16. connecting the sliding block; 17. reeling the sleeve; 18. a clamping block; 19. a locking spring; 20. a locking slide block; 21. a U-shaped connecting rod; 22. a locking post; 23. a limiting ring; 24. an installation table; 25. mounting a column; 26. a wire passing ring; 27. a buffer bracket; 28. a buffer chute; 29. a buffer slide block; 30. a traction roller; 31. a buffer spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, an embodiment of the present invention: a traction device for producing covered yarns comprises a mounting base plate 1, a mounting bracket 2, a connecting plate 3, a guide rail bracket 4 and a sliding cylinder 6, wherein the mounting bracket 2 is arranged on one side of the top of the mounting base plate 1, the connecting plate 3 is arranged on the top of the mounting bracket 2, the guide rail bracket 4 is fixedly connected to the bottom of the connecting plate 3, the sliding guide rail 5 is fixedly arranged in the guide rail bracket 4, the sliding cylinder 6 is arranged on the sliding guide rail 5 in a matched manner, the bottom of the sliding cylinder 6 is fixedly connected with a connecting post 7, the bottom of the connecting post 7 is provided with a sliding frame 8, a rotating table 9 is rotatably connected in a groove formed in one side of the mounting bracket 2, the other side of the mounting bracket 2 is fixedly connected with a traction motor 10, the output end of the traction motor 10 penetrates through the mounting bracket 2 to be fixedly connected with the rotating table 9, a traction shaft 11 is sleeved in the rotating table 9, and a limiting block 12 is arranged on the traction shaft 11, the traction shaft 11 is connected with a fixed sleeve 13 in a sliding manner, a groove formed in the fixed sleeve 13 is matched and connected with the limit block 12, the limit block 12 and the groove formed in the fixed sleeve 13 are matched and arranged, so that the fixed sleeve 13 can be driven to rotate by the rotation of the traction shaft 11, one side of the fixed sleeve 13 is provided with a connecting ring 14, the connecting ring 14 is provided with a connecting chute 15, the connecting chute 15 is connected with a connecting slide block 16 in a sliding manner, the top of the connecting slide block 16 is fixedly connected with the bottom of the sliding frame 8, the connecting ring 14 is arranged so as to drive the fixed sleeve 13 to move along the direction of the sliding guide rail 5, the fixed sleeve 13 is connected with a furling sleeve 17 in a sliding manner, a clamping block 18 is matched and connected in the groove formed in the bottom of the furling sleeve 17, the clamping block 18 is fixedly connected with the fixed sleeve 13 through a rotating shaft, and a locking spring 19 is arranged at the bottom of the clamping block 18, the bottom of the locking spring 19 is fixed on the fixing sleeve 13, the locking spring 19 is arranged to provide an elastic force to enable the fixture block 18 and a groove formed at the bottom of the furling sleeve 17 to be mutually attached, and further the furling sleeve 17 is fixed, the locking slider 20 is connected in a sliding way formed at the bottom of the fixture block 18, the bottom of the locking slider 20 is hinged with one end of the U-shaped connecting rod 21, a through groove is formed at the joint of the fixing sleeve 13 and the U-shaped connecting rod 21, the other end of the U-shaped connecting rod 21 is fixedly connected with the locking column 22, a through hole is formed at the joint of the fixing sleeve 13 and the locking column 22, the fixing sleeve 13 is provided with the limiting ring 23, one side of the limiting ring 23 is mutually attached to the furling sleeve 17, the furling sleeve 17 is favorably limited by the limiting ring 23, the mounting table 24 is arranged at the center of the top of the mounting base plate 1, and the mounting table 25 is rotatably connected to the top of the mounting table 24, the top of the mounting column 25 is provided with a thread passing ring 26, the mounting column 25 is favorable for driving the thread passing ring 26 to rotate in the process of pulling the yarn, so that the friction between the yarn and the edge of the thread passing ring 26 is reduced, one side of the top of the mounting base plate 1, which is far away from the mounting support 2, is provided with a buffer support 27, the buffer support 27 is provided with a buffer sliding groove 28, the buffer sliding groove 28 is connected with a buffer sliding block 29 in a sliding manner, the buffer sliding block 29 is connected with a pulling roller 30 in a matching manner through a connecting rod, the top of the buffer sliding block 29 is fixedly connected with a buffer spring 31, the top of the buffer spring 31 is fixed on the buffer support 27, the arranged pulling roller 30 is favorable for driving the buffer sliding block 29 to extrude the buffer spring 31 along the direction of the buffer sliding groove 28 so as to buffer the generated impact, and the yarn is prevented from being broken due to the overlarge pulling force borne by inertia when the equipment is started, thereby improving the working stability of the device.
Referring to fig. 9, an embodiment of the present invention: a traction method for producing wrap yarn comprises the steps of fixing a sleeve; fixing the yarns; step three, traction and winding; step four, unlocking and delivering the warehouse;
in the first step, the furling sleeve 17 is sleeved on the fixed sleeve 13, so that one side of the furling sleeve 17 is attached to the limiting ring 23, and meanwhile, the fixture block 18 is matched and connected with a groove formed in the furling sleeve 17 under the elastic action of the locking spring 19, so that the fixed installation of the furling sleeve 17 is completed;
in the second step, one end of the covered yarn is wound around the traction roller 30, and then passes through the threading ring 26 to be fixed on the furling sleeve 17, so that the covered yarn is fixed;
in the third step, the traction motor 10 is operated, then the traction motor 10 drives the rotating table 9 and the traction shaft 11 to rotate around the axis of the traction shaft 11, and further the limiting block 12 arranged on the traction shaft 11 is mutually matched and connected with the fixing sleeve 13 to drive the fixing sleeve 13 and the winding sleeve 17 to rotate, so as to further pull the covered yarn, wind the covered yarn on the winding sleeve 17, and simultaneously the sliding cylinder 6 reciprocates on the sliding guide rail 5 to drive the connecting column 7, the sliding frame 8 and the rotating table 9 to reciprocate along the direction of the sliding guide rail 5, further drive the fixing sleeve 13 and the winding sleeve 17 to reciprocate in the process of pulling and winding the covered yarn, so that the covered yarn is uniformly wound on the winding sleeve 17;
in the fourth step, the covering yarn is cut off after being pulled and received, then the locking column 22 is pressed, the locking column 22 drives the U-shaped connecting rod 21 to move towards the inside of the fixing sleeve 13, then the U-shaped connecting rod 21 drives the locking sliding block 20 to move towards the direction far away from the furling sleeve 17, then the clamping block 18 is driven to rotate around the rotating shaft, the furling sleeve 17 is unlocked, and then the furling sleeve 17 is pulled out outwards, so that the delivery from a warehouse is completed.
Based on the above, the invention has the advantages that when the invention is used, the furling sleeve 17 is sleeved on the fixed sleeve 13, so that one side of the furling sleeve 17 is attached to the limit ring 23, meanwhile, the fixture block 18 is matched and connected with the groove formed in the furling sleeve 17 under the elastic force of the locking spring 19, so as to complete the fixed installation of the furling sleeve 17, then the locking column 22 is pressed, so that the locking column 22 drives the U-shaped connecting rod 21 to move towards the inside of the fixed sleeve 13, then the U-shaped connecting rod 21 drives the locking slide block 20 to move towards the direction far away from the furling sleeve 17, so as to drive the fixture block 18 to rotate around the rotating shaft, so as to release the locking of the furling sleeve 17, the installation and the disassembly are simple, so as to reduce the labor intensity of workers for replacing the furling sleeve 17, the impact generated by extruding the buffer spring 31 is buffered, and the yarn is prevented from being broken due to overlarge tension force caused by inertia when the equipment is started, thereby the job stabilization nature of device has been improved, through the in-process of the roll-up of pulling through the cylinder 6 that slides that sets up, drives fixed cover 13 and roll-up sleeve 17 reciprocating motion, makes the yarn evenly twine on roll-up sleeve 17 to the product quality after the shaping of ex-warehouse has been improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a production draw gear for covering yarn, includes mounting plate (1), installing support (2), connecting plate (3), rail brackets (4) and slide cylinder (6), its characterized in that: the mounting structure is characterized in that a mounting support (2) is arranged on one side of the top of the mounting base plate (1), a connecting plate (3) is arranged on the top of the mounting support (2), a guide rail support (4) is fixedly connected to the bottom of the connecting plate (3), a sliding guide rail (5) is fixedly mounted in the guide rail support (4), a sliding cylinder (6) is mounted on the sliding guide rail (5) in a matched mode, a connecting column (7) is fixedly connected to the bottom of the sliding cylinder (6), and a sliding frame (8) is arranged at the bottom of the connecting column (7).
2. The traction device for producing covering yarns according to claim 1, characterized in that: the utility model discloses a traction table, including installing support (2), rotation in the recess of installing support (2) one side seted up is connected with and rotates platform (9), and the opposite side fixedly connected with traction motor (10) of installing support (2), the output of traction motor (10) runs through installing support (2) and rotates platform (9) fixed connection, and has cup jointed in rotating platform (9) and pull axle (11), be provided with stopper (12) on pulling axle (11), sliding connection has fixed cover (13) on pulling axle (11), and the recess of fixed cover (13) inside seting up is connected with stopper (12) are mutually supported.
3. The traction device for producing covering yarns according to claim 2, characterized in that: one side of the fixed sleeve (13) is provided with a connecting ring (14), the connecting ring (14) is provided with a connecting sliding groove (15), the connecting sliding groove (15) is connected with a connecting sliding block (16) in a sliding manner, and the top of the connecting sliding block (16) is fixedly connected with the bottom of the sliding frame (8).
4. The traction device for producing covering yarns according to claim 3, characterized in that: the winding sleeve (17) is connected to the fixed sleeve (13) in a sliding mode, a clamping block (18) is connected to a groove formed in the bottom of the winding sleeve (17) in a matched mode, the clamping block (18) is fixedly connected with the fixed sleeve (13) through a rotating shaft, a locking spring (19) is arranged at the bottom of the clamping block (18), and the bottom of the locking spring (19) is fixed to the fixed sleeve (13).
5. The traction device for producing covering yarns according to claim 4, characterized in that: sliding connection has locking slider (20) in the spout that the bottom of fixture block (18) was seted up, and the articulated U type connecting rod (21) of bottom of locking slider (20) one end, logical groove has been seted up with the junction of U type connecting rod (21) to fixed cover (13), and the other end fixedly connected with locking post (22) of U type connecting rod (21), the through-hole has been seted up with the junction of locking post (22) to fixed cover (13), and be provided with spacing ring (23) on fixed cover (13), one side and the roll-up sleeve (17) of spacing ring (23) are laminated each other.
6. The traction device for producing covering yarns according to claim 1, characterized in that: the mounting structure is characterized in that a mounting table (24) is arranged at the center of the top of the mounting base plate (1), a mounting column (25) is rotatably connected to the top of the mounting table (24), and a wire passing ring (26) is arranged at the top of the mounting column (25).
7. The traction device for producing covering yarns according to claim 1, characterized in that: one side of installing support (2) is kept away from at mounting plate (1) top is provided with buffering support (27), and has seted up buffering spout (28) on buffering support (27), and sliding connection has buffering slider (29) in buffering spout (28), and buffering slider (29) are connected with traction roller (30) through the connecting rod cooperation, and the top fixedly connected with buffer spring (31) of buffering slider (29), and the top of buffer spring (31) is fixed on buffering support (27).
8. A traction method for producing wrap yarn comprises the steps of fixing a sleeve; fixing the yarns; step three, traction and winding; step four, unlocking and delivering the warehouse; the method is characterized in that:
in the first step, the furling sleeve (17) is sleeved on the fixed sleeve (13), so that one side of the furling sleeve (17) is attached to the limiting ring (23), and meanwhile, the fixture block (18) is matched and connected with a groove formed in the furling sleeve (17) under the elastic action of the locking spring (19) to finish the fixed installation of the furling sleeve (17);
in the second step, one end of the covered yarn is wound around the traction roller (30) and then passes through the threading ring (26) to be fixed on the furling sleeve (17) to finish the fixation of the covered yarn;
wherein in the third step, the traction motor (10) is enabled to work, then the traction motor (10) drives the rotating platform (9) and the traction shaft (11) to rotate around the axis of the traction shaft (11), further, the fixed sleeve (13) and the furling sleeve (17) are driven to rotate through the mutually matched connection of the limiting block (12) arranged on the traction shaft (11) and the fixed sleeve (13), further, the covered yarn is drawn and wound on a winding sleeve (17), meanwhile, the sliding cylinder (6) reciprocates on the sliding guide rail (5) to drive the connecting column (7), the sliding frame (8) and the rotating platform (9) to reciprocate along the direction of the sliding guide rail (5), in the process of drawing and winding the covered yarn, the fixed sleeve (13) and the winding sleeve (17) are driven to do reciprocating motion, so that the covered yarn is uniformly wound on the winding sleeve (17);
in the fourth step, the covered yarn is cut off after being dragged and received, then the locking column (22) is pressed, the locking column (22) drives the U-shaped connecting rod (21) to move towards the inside of the fixing sleeve (13), then the U-shaped connecting rod (21) drives the locking sliding block (20) to move towards the direction far away from the furling sleeve (17), then the clamping block (18) is driven to rotate around the rotating shaft, the furling sleeve (17) is unlocked, then the furling sleeve (17) is pulled out outwards, and the delivery from a warehouse is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111573114.1A CN114045584B (en) | 2021-12-21 | 2021-12-21 | Traction device and method for producing covered yarn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111573114.1A CN114045584B (en) | 2021-12-21 | 2021-12-21 | Traction device and method for producing covered yarn |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114045584A true CN114045584A (en) | 2022-02-15 |
| CN114045584B CN114045584B (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111573114.1A Active CN114045584B (en) | 2021-12-21 | 2021-12-21 | Traction device and method for producing covered yarn |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533913A (en) * | 2014-12-23 | 2015-04-22 | 云南航天工业有限公司 | Telescopic locking device |
| CN205744882U (en) * | 2016-05-20 | 2016-11-30 | 东莞市精能电子科技有限公司 | Rotating shaft |
| CN211202601U (en) * | 2019-10-29 | 2020-08-07 | 东风越野车有限公司 | Rotary locking mechanism capable of being locked at any position |
| CN211691870U (en) * | 2019-12-16 | 2020-10-16 | 佛山市南海区美品五金电器有限公司 | Anti-theft lock core and lock |
| CN112610078A (en) * | 2020-11-30 | 2021-04-06 | 浙江零跑科技有限公司 | Machine cover lock |
-
2021
- 2021-12-21 CN CN202111573114.1A patent/CN114045584B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533913A (en) * | 2014-12-23 | 2015-04-22 | 云南航天工业有限公司 | Telescopic locking device |
| CN205744882U (en) * | 2016-05-20 | 2016-11-30 | 东莞市精能电子科技有限公司 | Rotating shaft |
| CN211202601U (en) * | 2019-10-29 | 2020-08-07 | 东风越野车有限公司 | Rotary locking mechanism capable of being locked at any position |
| CN211691870U (en) * | 2019-12-16 | 2020-10-16 | 佛山市南海区美品五金电器有限公司 | Anti-theft lock core and lock |
| CN112610078A (en) * | 2020-11-30 | 2021-04-06 | 浙江零跑科技有限公司 | Machine cover lock |
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| Publication number | Publication date |
|---|---|
| CN114045584B (en) | 2023-03-21 |
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