Yarn changing device of circular weaving machine
By designing a circular loom thread replacement device, the friction of the old thread automatically drives the new thread movement, solving the problem of cumbersome and wasteful thread replacement operation of the circular loom thread replacement is achieved, and the effect of automatic thread replacement is achieved.
Patent Information
- Application Number
- CN202422334594.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-25
AI Technical Summary
When changing threads, the circular loom requires manual splicing of new and old threads, which leads to cumbersome operation and waste of yarn.
A circular loom thread replacement device is designed, including a turntable, loom column, thread replacement post and restriction card board. The friction of the old line is used to automatically drive the new line to achieve a thread replacement process without cutting.
The automation of the circular loom thread replacement is realized, avoiding the waste of yarn and simplifying the operation process.
Smart Images
Figure CN223150743U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of yarns, and particularly relates to a thread changing device for a circular loom. Background Art
[0002] When changing the thread on a circular loom, it is necessary to completely use up the old thread and then install the new thread. At the same time, an extra length of yarn needs to be left to better join the new thread and the old thread. After the circular loom works for several rounds, the excess new thread and the ends of the old thread are cut off, making the thread change on the circular loom relatively cumbersome and causing unnecessary waste of the yarn. Content of the Utility Model
[0003] The utility model aims at the deficiencies of the prior art and provides a thread changing device for a circular loom.
[0004] In order to achieve the above object, the utility model provides the following technical solution. A thread changing device for a circular loom includes a turntable and a loom column. The turntable is sleeved on the outer peripheral side of the loom column. A plurality of weaving cones are movably arranged in the loom column. It is characterized in that: a bracket is fixed on the outer peripheral side of the turntable, a bottom plate is detachably installed on the bracket, and a thread changing assembly is fixed on the bottom plate;
[0005] The thread changing assembly includes a thread changing column. The thread changing column is obliquely installed on the bottom plate through a connecting block. The center of the thread changing column is hollow. At least two limiting clamping plates are movably arranged in the thread changing column. All the limiting clamping plates are circumferentially distributed with the center line of the thread changing column as the center. At least two rolling tracks are also opened in the thread changing column, and a counter ball is arranged in each rolling track.
[0006] Optionally, a thread clamping port is opened on the outer peripheral side of the thread changing column. The thread clamping port communicates with the hollow part inside the thread changing column. Elastic blocking blocks are arranged on both end faces of the thread clamping port.
[0007] Optionally, the hollow of the thread changing column is conical.
[0008] Optionally, one end of each limiting clamping plate is rotatably connected inside the thread changing column. A torsion spring is arranged at the rotating part of the limiting clamping plate to keep the other end of the limiting clamping plate close to the center of the thread changing column. An electromagnet is also fixed inside the thread changing column, and the electromagnet is located on the outer peripheral side of the movable end of the limiting clamping plate.
[0009] Optionally, a part of the rolling track communicates with the hollow part of the thread changing column, and the rolling track gradually contracts in the direction away from the limiting clamping plate. The counter ball is spherical, and the material of the counter ball is one of resin and rubber.
[0010] Optionally, a baffle is fixed on one side of the bottom plate close to the loom column. Through holes are provided on both the bottom plate and the baffle, and a spinning thread is threaded through the through holes and the thread-changing column.
[0011] In summary, the present utility model has the following beneficial effects compared with the prior art:
[0012] 1. Due to the setting of the thread-changing assembly, the new thread to be replaced can be directly clamped in the thread-changing column through the setting of the thread-changing column, and then the new thread is driven to move by the frictional force of the old thread, achieving the effect of automatic thread outlet, and there is no need to cut, effectively avoiding waste.
[0013] 2. Through the setting of the abutting ball, the abutting ball can be driven to move in the raceway when the yarn is pulled out. When it moves to the lowest end of the raceway, the single-strand thread is not affected, while the two-strand threads will be tightly squeezed together, so that the two-strand threads can move simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a perspective view of the present utility model.
[0015] Figure 2 is a perspective view of the thread-changing assembly of the present utility model.
[0016] Figure 3 is a front view of the thread-changing assembly of the present utility model.
[0017] Figure 4 is a sectional view of the present utility model Figure 3 in the A-A direction.
[0018] 10. Turntable; 11. Loom column; 12. Weaving cone; 13. Bracket; 14. Bottom plate; 15. Thread-changing column; 16. Baffle; 17. Spinning thread; 18. Restricting clamping plate; 19. Electromagnet; 20. Abutting ball; 21. Raceway; 22. Thread clamping port; 23. Elastic stop block. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] In order to enable those skilled in the art of the present technology to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.
[0020] As shown in Figures 1-4, a yarn changing device for a circular loom includes a turntable 10 and a loom column 11. The turntable 10 is sleeved on the outer peripheral side of the loom column 11. A number of weaving cones 12 are movably arranged inside the loom column 11. It is characterized in that: a bracket 13 is fixed on the outer peripheral side of the turntable 10. A bottom plate 14 is detachably installed on the bracket 13. A yarn changing assembly is fixed on the bottom plate 14. The yarn changing assembly includes a yarn changing column 15. The yarn changing column 15 is obliquely installed on the bottom plate 14 through a connecting block. A baffle 16 is fixed on one side of the bottom plate 14 close to the loom column 11. Through holes are opened on both the bottom plate 14 and the baffle 16. A spinning yarn 17 is passed through the through holes and the yarn changing column 15. The center of the yarn changing column 15 is hollow. At least two limiting clamping plates 18 are movably arranged inside the yarn changing column 15. All the limiting clamping plates 18 are circumferentially distributed around the center line of the yarn changing column 15. At least two raceways 21 are also opened inside the yarn changing column 15. A ball 20 is arranged in each raceway 21.
[0021] A wire clamping port 22 is opened on the outer peripheral side of the yarn changing column 15. The wire clamping port 22 communicates with the hollow part inside the yarn changing column 15. Elastic stoppers 23 are arranged on both end faces of the wire clamping port 22. The hollow of the yarn changing column 15 is conical. One end of each limiting clamping plate 18 is rotatably connected inside the yarn changing column 15. A torsion spring is arranged at the rotating part of the limiting clamping plate 18 to keep the other end of the limiting clamping plate 18 close to the center of the yarn changing column 15. An electromagnet 19 is also fixed inside the yarn changing column 15. The electromagnet 19 is located on the outer peripheral side of the movable end of the limiting clamping plate 18. The limiting clamping plate 18 can prevent the yarn from being pulled out due to accidental contact.
[0022] Part of the raceway 21 communicates with the hollow part of the yarn changing column 15, and the raceway 21 gradually contracts in the direction away from the limiting clamping plate 18. The ball 20 is spherical, and the material of the ball 20 is one of resin and rubber. When all the balls 20 are at the bottom end of the raceway 21, a single-strand wire is not affected, while two strands of wire will be tightly squeezed together so that the two strands of wire can move simultaneously.
[0023] During use, when the yarn of the circular loom is about to be used up and needs to be changed, the yarn to be replaced is directly inserted into the yarn through the wire clamping port 22 on the yarn changing column 15. At this time, due to the abutting restriction of the limiting clamping plate 18, the yarn is pulled out in the direction away from the baffle 16 and can only move in the direction close to the baffle 16. At the same time, the old wire and the new wire are both inside the yarn changing column 15. Then the circular loom continues to work. At this time, during the pulling process of the old wire, the friction with the new wire will increase due to the restriction of the ball 20, so that the old wire can drive the new wire to move until the old wire is completely used up and the new wire just takes over the old wire and continues to be used.
[0024] When it is necessary to pull out the spinning yarn 17, just turn on the electromagnet 19 to make the electromagnet 19 adsorb the limiting clamping plate 18, so as to avoid the limiting clamping plate 18 restricting the spinning yarn 17, and then the spinning yarn 17 can be directly pulled out.
[0025] Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present utility model without creative efforts shall fall within the protection scope of the present utility model.
Claims
1. A circular loom thread-changing device, comprising a turntable (10) and a loom column (11), wherein the turntable (10) is sleeved on the outer peripheral side of the loom column (11), and a plurality of weaving cones (12) are movably arranged in the loom column (11), and is characterized in that: A bracket (13) is fixed on the outer peripheral side of the turntable (10), a bottom plate (14) is detachably mounted on the bracket (13), and a wire changing assembly is fixed on the bottom plate (14). The wire changing assembly includes a wire changing column (15). The wire changing column (15) is obliquely mounted on the bottom plate (14) through a connecting block. The center of the wire changing column (15) is hollow. At least two limiting clamping plates (18) are movably arranged in the wire changing column (15). All the limiting clamping plates (18) are circumferentially distributed around the central line of the wire changing column (15). At least two raceways (21) are also formed in the wire changing column (15), and a ball (20) is arranged in each raceway (21).
2. The circular loom thread changing device according to claim 1, characterized in that: A wire clamping opening (22) is formed on the outer peripheral side of the wire changing column (15). The wire clamping opening (22) communicates with the hollow part inside the wire changing column (15). Elastic stoppers (23) are arranged on both end faces of the wire clamping opening (22).
3. The circular loom thread changing device according to claim 1, characterized in that: The hollow part of the wire changing column (15) is conical.
4. The circular loom thread changing device according to claim 1, wherein: One end of each limiting clamping plate (18) is rotatably connected inside the wire changing column (15). A torsion spring is arranged at the rotating part of the limiting clamping plate (18) to keep the other end of the limiting clamping plate (18) close to the center of the wire changing column (15). An electromagnet (19) is also fixed inside the wire changing column (15), and the electromagnet (19) is located on the outer peripheral side of the movable end of the limiting clamping plate (18).
5. The circular loom thread changing device according to claim 1, characterized in that: Part of the raceway (21) communicates with the hollow part of the wire changing column (15), and the raceway (21) gradually contracts in a direction away from the limiting clamping plate (18). The ball (20) is spherical, and the material of the ball (20) is one of resin and rubber.
6. The circular loom thread changing device according to claim 1, characterized in that: A baffle (16) is fixed on one side of the bottom plate (14) close to the loom column (11). Through holes are formed in both the bottom plate (14) and the baffle (16), and a spinning thread (17) passes through the through holes and the wire changing column (15).