Bobbin protection device for yarn rewinding machine
By rotating the threaded limit post and the mating post, the yarn bobbin protection device of the yarn rewinding machine can be conveniently locked and unlocked, which solves the problems of cumbersome operation and insufficient stability in the existing technology, and improves the service life and operational reliability of the device.
Patent Information
- Application Number
- CN202511774061.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-28
- Publication Date
- 2026-01-02
AI Technical Summary
The existing bobbin protection devices of yarn rewinding machines cannot achieve quick locking and unlocking, are cumbersome to operate, are prone to frictional wear, and have poor structural stability and operational reliability.
The rotating engagement of the threaded limit post and the mating post, along with the linkage of the lower pressure block and the limit block, enables convenient adjustment of locking and unlocking. The rotation and sliding connection of multiple components creates a stable transmission path, ensuring uniform force transmission and preventing the cylinder tube from shifting or falling off.
It enables convenient locking and unlocking operations, reduces frictional wear, improves structural stability and operational reliability, and ensures the continuity and service life of the drum-turning operation.
Smart Images

Figure CN121247571A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to yarn winding technology field, concretely is a yarn winding machine with bobbin protection device. BACKGROUND
[0002] The winding machine is commonly used in the yarn production field, and its main function is to wind one roll of yarn onto another roll. Usually, the yarn to be wound is placed on the ground, and a winding machine can simultaneously wind multiple yarns. Therefore, the yarn rolls are arranged and placed on the ground during work. Because the device is more compact, the distance between adjacent yarn rolls placed on the ground is small, so when the personnel change the yarn tube, it is easy to interfere with the yarn on the adjacent yarn tube, causing safety accidents, and the yarn on the adjacent yarn tube is also prone to interference.
[0003] The utility model discloses a yarn tube protection device for yarn winding machine, including base, setting up in the protection cover of base top, protection cover top center is equipped with the wire hole, protection cover and base can be dismantled connection, protection cover inner wall and base inner wall are all smooth, protection cover and base are spliced into the hollow placement cavity, the depth of placement cavity is greater than the height of yarn tube placed in the placement cavity. The utility model can make through the yarn tube is placed in the hollow placement cavity, the yarn on the yarn tube is restrained by the protection cover to swing away the radius, it is convenient for the yarn tube to be placed more compactly, effectively prevent personnel from interfering with the yarn, and the safety is improved. The smooth inner wall of the placement cavity and the smooth convex arc shape of the wire hole reduce the wear of the yarn.
[0004] However, this device cannot achieve quick locking and unlocking, and may need to use auxiliary tools, which is complicated and laborious. It may interfere with each other and affect the continuity of the winding operation, and is prone to friction and wear, which shortens the service life. In addition, the bobbin is easy to deviate and fall off, and the structure stability and operation reliability are not good.
[0005] Invention patent content The purpose of the present invention is to provide a yarn winding machine with bobbin protection device to solve the problems raised in the background art.
[0006] To achieve the above object, the patent application provides the following technical scheme: A bobbin protection device for a yarn bobbin winder, comprising: a base, a fixing assembly, the inner surface of the base is fixedly connected with a connecting bearing, the upper surface of the connecting bearing is rotatably connected with a mounting column, the upper surface of the mounting column is fixedly connected with a matching column, the outer surface of the matching column is provided with a resisting groove around, the inner surface of the matching column is fixedly connected with a connecting seat around, and the outer surface of the connecting seat is rotatably connected with a fixed rotating rod, the upper surface of the fixed rotating rod is provided with a second slot, the upper surface of the connecting seat is provided with a matching block, the sidewall of the matching block is provided with a sliding groove, the inner surface of the sliding groove is slidably connected with a limiting block, the sidewall of the limiting block is fixedly connected with a resisting block, the upper surface of the resisting block is abutted with a pressing block, the upper surface of the pressing block is fixedly connected with a threaded limiting column, and the outer surface of the threaded limiting column and the matching column is rotatably connected, the side of the limiting block away from the resisting block is fixedly connected with a connecting column, and the outer surface of the connecting column is rotatably connected with a moving rotating rod, the lower surface of the moving rotating rod is provided with a first slot, and the inner surface of the first slot is rotatably connected with a connecting rod, and the inner surface of the connecting rod and the inner surface of the second slot are rotatably connected.
[0007] Preferably, the connecting rod is located between the moving rotating rod and the fixed rotating rod, and the connecting rod and the inner surface of the resisting groove are movably connected.
[0008] Preferably, the number of the connecting seats and the number of the resisting grooves are correspondingly arranged, and the positions of the matching blocks and the positions of the resisting grooves are arranged in parallel.
[0009] Preferably, the resisting blocks are distributed around the lower surface of the pressing block, and the size of the connecting rod and the size of the resisting groove are correspondingly arranged.
[0010] Preferably, the fixing assembly is located on the outer surface of the base, and the fixing assembly comprises a sliding locking block, an extension block, a communication groove, a movable groove, a positioning groove, a positioning column, a return spring, an embedded groove, a connecting bearing, a mounting block, a positioning block, a connecting plate, a fixed block and a closing cover, the upper surface of the base is threadedly connected with the closing cover, the lower surface of the base is fixedly connected with the mounting block, the inside of the mounting block is provided with the positioning groove, the outer surface of the positioning groove is symmetrically provided with the movable groove, the lower surface of the movable groove is provided with the communication groove, the inner surface of the positioning groove is fixedly connected with the fixed block, the sidewall of the fixed block is fixedly connected with the positioning column, the outer surface of the positioning column is sleeved with the return spring, the return spring abuts against the connecting plate, the outer surface of the connecting plate is symmetrically connected with the sliding locking block, the lower surface of the sliding locking block is symmetrically fixedly connected with the extension block, the lower surface of the extension block is fixedly connected with the positioning block, and the upper surface of the positioning block is provided with the embedded groove.
[0011] Preferably, the positioning grooves are symmetrically arranged in the inside of the mounting block, and the number of the fixed blocks and the number of the positioning grooves are correspondingly arranged.
[0012] Preferably, the outer surfaces of the connecting plate and the positioning post are slidably connected, and the positioning block is located between two adjacent extension blocks.
[0013] Preferably, the sliding locking block extends to the outer surface of the mounting block, and the extension block and the inner surface of the communicating groove are slidably connected.
[0014] Compared with the prior art, the beneficial effects of this invention patent are: This invention patent utilizes the rotational engagement of the threaded limiting post and the mating post to drive the lower pressure block and the limiting block in tandem, achieving convenient adjustment of locking and unlocking. Operation is labor-saving and requires no auxiliary tools. Multiple components are connected by rotation and sliding to create a stable transmission path, ensuring uniform force transmission and synchronized locking actions. The locking structure does not interfere with the rotational functions of the mounting post and connecting bearings, guaranteeing continuous cylinder turning operations. Components fit smoothly, resulting in low frictional loss and a long service life. Core components are distributed around the mating post, evenly distributing the locking force and avoiding localized force concentration, effectively preventing cylinder displacement and detachment, and improving structural stability and operational reliability. Attached Figure Description
[0015] Figure 1 This is a three-dimensional view of the overall structure of the present invention. Figure 2 This is a schematic cross-sectional view of the entire invention patent; Figure 3 This invention patent Figure 3 Enlarged schematic diagram of the structure at point A in the middle; Figure 4 This invention patent Figure 2 Enlarged schematic diagram of the structure at point B; Figure 5 This is a schematic diagram of the mounting block structure of the present invention. Figure 6 This is a schematic diagram of the column structure of this invention patent.
[0016] In the diagram: 1. Base; 2. Closed cover; 3. Mounting post; 4. Mating post; 5. Abutting groove; 6. Connecting seat; 7. Fixed rotating rod; 8. Connecting rod; 9. Moving rotating rod; 10. Mating block; 11. Sliding groove; 12. Connecting post; 13. Limiting block; 14. Abutting block; 15. Pressing block; 16. Threaded limiting post; 17. First slot; 18. Second slot; 19. Sliding locking block; 20. Extension block; 21. Connecting groove; 22. Movable groove; 23. Positioning groove; 24. Positioning post; 25. Return spring; 26. Fitting groove; 27. Connecting bearing; 28. Mounting block; 29. Positioning block; 30. Connecting plate; 31. Fixing block. Detailed Implementation
[0017] In order to make the patent purposes, technical solutions of the application clear, complete and more clear and understandable, the following will further describe the embodiments of the application in combination with the drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the application, not all embodiments, and are only used to explain the embodiments of the application, and are not used to limit the embodiments of the application. All other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the application.
[0018] The application will be further described in detail below in combination with all the drawings.
[0019] Embodiment 1 Referring to Figures 2-3 and Figure 6 A bobbin protection device for a yarn winder comprises a base 1, a fixed assembly, the inner surface of the base 1 is fixedly connected with a connecting bearing 27, which provides stable rotating support for the mounting column 3 and realizes rotatable connection with the base 1, the upper surface of the connecting bearing 27 is rotatably connected with the mounting column 3, which receives the matching column 4 and realizes flexible rotation of the matching column 4 through the rotating characteristics of the connecting bearing 27, the upper surface of the mounting column 3 is fixedly connected with the matching column 4, which provides an installation carrier for components such as the abutting groove 5 and the connecting seat 6 and transmits the rotating power of the mounting column 3, the outer surface of the matching column 4 is provided with the abutting groove 5 around, which provides a space for the connecting rod 8 and realizes the limiting adjustment function through the movable connection with the connecting rod 8, the inner surface of the matching column 4 is fixedly connected with the connecting seat 6 around, which provides a rotating installation fulcrum for the fixed rotating rod 7 and positions the installation position of the matching block 10, and the outer surface of the connecting seat 6 is rotatably connected with the fixed rotating rod 7, which transmits the force through the rotating cooperation with the connecting rod 8 and supports the movement of the moving rotating rod 9.
[0020] The upper surface of the fixed rotating rod 7 is provided with a second slot 18, which provides a rotatable connection point for the end of the connecting rod 8 and realizes flexible rotating cooperation with the connecting rod 8, the upper surface of the connecting seat 6 is provided with the matching block 10, which provides an opening carrier for the sliding groove 11 and positions the sliding path of the limiting block 13, and the sidewall of the matching block 10 is provided with the sliding groove 11, which limits the sliding direction of the limiting block 13 and provides a stable sliding guide for it, and the inner surface of the sliding groove 11 is slidably connected with the limiting block 13, which drives the movement of the connecting column 12 and the abutting block 14 through sliding, realizes linkage adjustment effect, the sidewall of the limiting block 13 is fixedly connected with the abutting block 14, which receives the pressing force of the pressing block 15 and transmits the force to the limiting block 13 to drive it to slide, and the upper surface of the abutting block 14 is abutted with the pressing block 15, which pushes the abutting block 14 through its own pressing action, and then triggers the linkage adjustment of the subsequent components.
[0021] The upper surface of the lower pressing block 15 is fixedly connected with a threaded limiting column 16, which realizes the up-down position adjustment of the lower pressing block 15 through the threaded cooperation with the cooperating column 4, and the outer surfaces of the threaded limiting column 16 and the cooperating column 4 are rotationally connected, the lifting movement of the lower pressing block 15 is controlled by using the threaded transmission characteristics, the connecting column 12 is fixedly connected to the side of the limiting block 13 away from the abutting block 14, the connecting limiting block 13 and the moving rotating rod 9 are connected and the sliding power of the limiting block 13 is transmitted, the outer surface of the connecting column 12 is rotationally connected with the moving rotating rod 9, the angle adjustment of the connecting rod 8 is driven through the rotational cooperation with the connecting column 12, the lower surface of the moving rotating rod 9 is provided with a first slot 17, which provides a rotational mounting space for the end portion of the connecting rod 8 and realizes the rotational cooperation with the connecting rod 8, and the inner surface of the first slot 17 is rotationally connected with the connecting rod 8, the moving rotating rod 9 and the fixed rotating rod 7 are connected and the movement linkage relationship between the two is transmitted, and the inner surface of the connecting rod 8 and the second slot 18 is rotationally connected, the force transmission between the moving rotating rod 9 and the fixed rotating rod 7 is realized through the double-end rotational connection.
[0022] Referring to Figure 1 , Figure 2 , Figure 4 and Figure 5 , the connecting rod 8 is located between the moving rotating rod 9 and the fixed rotating rod 7, and serves as a connecting medium between the two to realize the movement linkage and force transmission, and the inner surface of the connecting rod 8 and the abutting groove 5 is movably connected, and moves flexibly in the limited space of the abutting groove 5 to realize the adjustment function, the number of the connecting seats 6 and the number of the abutting grooves 5 are correspondingly arranged, ensuring that each abutting groove 5 can form a cooperation relationship with the corresponding connecting seat 6 and associated components, the positions of the cooperating blocks 10 and the abutting grooves 5 are arranged in parallel, ensuring that the movement direction of the limiting block 13 is consistent with the extension direction of the abutting groove 5, improving the cooperation accuracy, the abutting blocks 14 are distributed around the lower surface of the lower pressing block 15, so that the downward pressure of the lower pressing block 15 is uniformly transmitted to each abutting block 14, realizing synchronous adjustment, the size of the connecting rod 8 and the size of the abutting groove 5 are correspondingly arranged, ensuring that the connecting rod 8 does not jam when moving in the abutting groove 5, improving the cooperation fluency.
[0023] Referring to Figures 4-5The fixed assembly is located on the outer surface of the base 1, provides mounting and fixing functions for the base 1, ensures the mounting stability of the whole device, and comprises a sliding locking block 19, an extension block 20, a communication groove 21, a movable groove 22, a positioning groove 23, a positioning column 24, a return spring 25, an embedded groove 26, a connecting bearing 27, a mounting block 28, a positioning block 29, a connecting plate 30, a fixed block 31 and a closing cover 2, and the components cooperatively realize detachable and fixed mounting of the base 1. The upper surface of the base 1 is threadedly connected with the closing cover 2, which protects the internal components of the base 1 and is convenient to disassemble through threaded connection. The lower surface of the base 1 is fixedly connected with the mounting block 28, which provides an installation carrier for the positioning groove 23, the movable groove 22 and other components, realizes the connection between the fixed assembly and the base 1, and the inside of the mounting block 28 is provided with the positioning groove 23, which provides an installation space for the fixed block 31, the positioning column 24 and other components and limits the installation position thereof, and the outer surface of the positioning groove 23 is symmetrically provided with the movable groove 22, which provides a space for the movement of the sliding locking block 19 and limits the sliding direction thereof.
[0024] The lower surface of the movable groove 22 is provided with the communication groove 21, which provides a channel for the sliding of the extension block 20 and realizes the communication between the movable groove 22 and the outside. The inner surface of the positioning groove 23 is fixedly connected with the fixed block 31, which provides a fixed mounting fulcrum for the positioning column 24 and ensures the mounting stability of the positioning column 24. The side wall of the fixed block 31 is fixedly connected with the positioning column 24, which provides an installation carrier for the return spring 25 and limits the extension direction of the return spring 25. The outer surface of the positioning column 24 is sleeved with the return spring 25, which provides a return power for the connecting plate 30 through elastic extension and realizes an automatic return function. The return spring 25 abuts against the connecting plate 30, transmits the elastic force of the return spring 25 to the connecting plate 30, and drives the connecting plate 30 to return. The outer surface of the connecting plate 30 is symmetrically connected with the sliding locking block 19, which drives the synchronous movement of the sliding locking block 19 and realizes synchronous control of locking and unlocking. The lower surface of the sliding locking block 19 is symmetrically fixedly connected with the extension block 20, which connects the sliding locking block 19 and the positioning block 29 and transmits the movement of the sliding locking block 19. The lower surface of the extension block 20 is fixedly connected with the positioning block 29, which realizes positioning cooperation with an external mounting structure through the embedded groove 26. The upper surface of the positioning block 29 is provided with the embedded groove 26, which provides an embedded site for the external mounting structure and improves the positioning stability.
[0025] The positioning grooves 23 are symmetrically arranged inside the mounting blocks 28, so that the stress of the fixed assembly is evenly distributed, the stability of the installation and fixation is improved, the number of the fixing blocks 31 corresponds to the number of the positioning grooves 23, so that each positioning groove 23 has a corresponding fixing block 31 to provide support and fixation, the outer surface of the connecting plate 30 and the positioning column 24 are slidingly connected, so that the connecting plate 30 can stably slide along the axis direction of the positioning column 24, the positioning blocks 29 are located between two adjacent extension blocks 20, and the installation precision of the positioning blocks 29 is ensured through the positioning effect of the extension blocks 20, the sliding locking blocks 19 extend to the outer surface of the mounting blocks 28, so as to be conveniently locked with the external structure to realize the fixation of the overall device, the inner surface of the extension blocks 20 and the communication grooves 21 are slidingly connected, so as to limit the sliding path of the extension blocks 20 and ensure the smooth movement of the extension blocks 20.
[0026] Although the embodiments of the present patent have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present patent, and the scope of the present patent is defined by the appended claims and their equivalents.
Claims
1. A bobbin guard for a yarn winder, comprising: The bottom (1) is characterized in that the inner surface of the bottom (1) is fixedly connected with a connecting bearing (27), the upper surface of the connecting bearing (27) is rotatably connected with a mounting column (3), the upper surface of the mounting column (3) is fixedly connected with a matching column (4), the outer surface of the matching column (4) is provided with a resisting groove (5) around, the inner surface of the matching column (4) is fixedly connected with a connecting seat (6) around, the outer surface of the connecting seat (6) is rotatably connected with a fixed rotating rod (7), the upper surface of the fixed rotating rod (7) is provided with a second slot (18), the upper surface of the connecting seat (6) is provided with a matching block (10), the sidewall of the matching block (10) is provided with a sliding groove (11), the inner surface of the sliding groove (11) is slidably connected with a limiting block (13), the sidewall of the limiting block (13) is fixedly connected with a resisting block (14), the upper surface of the resisting block (14) is abutted with a pressing block (15), the upper surface of the pressing block (15) is fixedly connected with a threaded limiting column (16), the threaded limiting column (16) and the outer surface of the matching column (4) are rotatably connected, the side, away from the resisting block (14), of the limiting block (13) is fixedly connected with a connecting column (12), the outer surface of the connecting column (12) is rotatably connected with a moving rotating rod (9), the lower surface of the moving rotating rod (9) is provided with a first slot (17), the inner surface of the first slot (17) is rotatably connected with a connecting rod (8), and the connecting rod (8) and the inner surface of the second slot (18) are rotatably connected.
2. A tube guard for a yarn winder as defined in claim 1, characterized in that: The connecting rod (8) is located between the moving rotating rod (9) and the fixed rotating rod (7), and the connecting rod (8) and the inner surface of the resisting groove (5) are movably connected.
3. A tube guard for a yarn winder as defined in claim 1, characterized in that: The number of the connecting seat (6) and the number of the resisting groove (5) are correspondingly arranged, and the position of the matching block (10) and the position of the resisting groove (5) are arranged in parallel.
4. A tube guard for a yarn winder as defined in claim 1, characterized in that: The resisting block (14) is distributed around the lower surface of the pressing block (15), and the size of the connecting rod (8) and the size of the resisting groove (5) are correspondingly arranged.
5. A tube guard for a yarn winder as defined in claim 1, wherein: The fixed assembly is located on the outer surface of the base (1), and the fixed assembly comprises a sliding locking block (19), an extension block (20), a communication groove (21), a movable groove (22), a positioning groove (23), a positioning column (24), a return spring (25), an embedded groove (26), a connecting bearing (27), a mounting block (28), a positioning block (29), a connecting plate (30), a fixed block (31) and a closing cover (2), the upper surface of the base (1) is threadedly connected with the closing cover (2), the lower surface of the base (1) is fixedly connected with the mounting block (28), the inside of the mounting block (28) is provided with the positioning groove (23), the outer surface of the positioning groove (23) is symmetrically provided with the movable groove (22), the lower surface of the movable groove (22) is provided with the communication groove (21), the inner surface of the positioning groove (23) is fixedly connected with the fixed block (31), the side wall of the fixed block (31) is fixedly connected with the positioning column (24), the outer surface of the positioning column (24) is sleeved with the return spring (25), the return spring (25) abuts against the connecting plate (30), the outer surface of the connecting plate (30) is symmetrically connected with the sliding locking block (19), the lower surface of the sliding locking block (19) is symmetrically fixedly connected with the extension block (20), the lower surface of the extension block (20) is fixedly connected with the positioning block (29), and the upper surface of the positioning block (29) is provided with the embedded groove (26).
6. A tube guard for a yarn winder as defined in claim 5, characterized in that: The positioning groove (23) is symmetrically arranged in the inside of the mounting block (28), and the number of the fixed blocks (31) corresponds to the number of the positioning grooves (23).
7. A tube guard for a yarn winder as defined in claim 5, characterized in that: The outer surfaces of the connecting plate (30) and the positioning column (24) are slidingly connected, and the positioning block (29) is located between the two adjacent extension blocks (20).
8. A tube guard for a yarn winder as defined in claim 5, wherein: The sliding locking block (19) extends to the outer surface of the mounting block (28), and the inner surfaces of the extension block (20) and the communication groove (21) are slidingly connected.
Citation Information
Patent Citations
Yarn tube protection device for yarn rewinding machine
CN223201369U