Safe yarn cutting device of doffer
By designing hydraulic cylinders, lifting tables, pushing tables and other components in the dripper, effective straightening and cutting of yarns is achieved, and the problem of difficulty in yarn retention and cutting is solved, and the efficiency and safety of yarn processing are improved.
Patent Information
- Application Number
- CN202420552080.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-21
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-03-21
AI Technical Summary
After the existing dripper breaks the yarn, the yarn remains and fails to straighten, resulting in the inability to cut effectively.
A safety yarn cutting device of the yarn dripper is designed, including a first hydraulic cylinder, a lifting table, a pushing table, a control box, a spring, a connecting piece, a pushing piece, a rotating frame and other components. The lifting table and a pushing table are driven through the hydraulic cylinder, press the yarn and straighten the yarn through the spring and pushing piece mechanism, which is convenient for cutting.
Effective straightening and cutting of the yarn after drooping is achieved, the problem of difficulty in yarn retention and cutting is solved, and the efficiency and safety of yarn processing are improved.
Smart Images
Figure CN222648247U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of doffing machines, in particular to a safe yarn cutting device for doffing machines. Background Art
[0002] The doffing of fine yarn is an important part of the production of fine yarn workshop. All the work of doffing workers is carried out around high quality, high yield and low consumption. The use of intelligent doffing machine can save doffing time, reduce labor intensity and improve labor productivity. This is one of the effective ways to solve the current problems of difficulty in recruiting workers and high labor costs in textile enterprises.
[0003] Some yarn dropping machine technologies generally use manual or machine to cut the yarn. Manual work is relatively limited and the workload is large. Because there will be yarn retention after yarn dropping, the retained yarn cannot be straightened and cannot be effectively cut. Utility Model Content
[0004] The utility model aims to provide a safe yarn cutting device for a yarn doffer to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safe yarn cutting device for a yarn doffing machine, comprising a processing seat, wherein the first support frames are fixedly connected to the two sides of the rear side of the processing seat, and the two sides of the first support frames are set to be openings, and a lifting platform is slidably connected between the two groups of first support frames, and the tops of the two groups of first support frames are fixedly connected to the first hydraulic cylinder, the power shaft of the first hydraulic cylinder penetrates the first support frame and is fixedly connected to the lifting platform, and the bottom of the lifting platform is fixedly connected to the pushing platform, and the upper part of the processing seat is fixedly connected to the control box, and the control box is opposite to the bottom of the pushing platform, and the left front wall of the control box is fixedly connected to the storage box, and the left outer wall of the storage box is fixedly connected to the first motor, and the power end of the first motor penetrates the outer wall of the storage box and is fixedly connected to the first screw, and the right front of the control box is fixedly connected to the fixing plate, the tail end of the first screw is rotatably connected to the fixing plate, the outer side of the first screw is meshedly connected to the moving platform, and the upper part of the moving platform is rotatably connected to the cutting blade.
[0006] Preferably, a push plate is slidably connected inside the control box, lifting grooves are opened on both sides of the control box, connecting plates are fixedly connected on both sides of the push plate, the connecting plates penetrate the lifting grooves and are slidably connected to a sliding rod, the bottom of the sliding rod is fixedly connected to the processing seat, a spring is sleeved on the outside of the sliding rod, and both ends of the spring are respectively fixedly connected to the processing seat and the connecting plate.
[0007] Preferably, two groups of connecting seats are fixedly connected to the top of the movable platform, a rotating shaft is rotatably connected between the two groups of connecting seats, a cutting blade is fixedly connected to the outside of the rotating shaft, torsion springs are fixedly connected on both sides of the cutting blade, the torsion spring is sleeved on the outside of the rotating shaft, the other end of the torsion spring is fixedly connected to the connecting seat, and a baffle is fixedly connected to the side facing the storage box between the two groups of connecting seats.
[0008] Preferably, two groups of second support frames are fixedly connected to the top of the front side of the processing seat, a second motor is fixedly connected to the left side of the top of the processing seat, a power end of the second motor is fixedly connected to a power wheel, a transmission belt is rotatably connected to the outer side of the power wheel, a driven shaft is rotatably connected to the inner side of the top of the transmission belt, the driven shaft is rotatably connected to the left second support frame, two groups of limit plates are fixedly connected to the outer side of the driven shaft, the limit plates are close to both sides of the transmission belt, the driven shaft penetrates the second support frame and is fixedly connected to a rotating frame, the other end of the rotating frame is fixedly connected to a connecting shaft, and the connecting shaft is rotatably connected to the right second support frame.
[0009] Preferably, a second hydraulic cylinder is fixedly connected to the outer wall of the rotating frame on the side close to the driven shaft, a fixing plate is fixedly connected to the output end of the second hydraulic cylinder, and a plurality of embedding grooves are formed on the fixing plate on the side away from the second hydraulic cylinder.
[0010] Preferably, limiting grooves are provided on both sides of the inner wall of the rotating frame, limiting blocks are fixedly connected to both sides of the fixing plate, and the limiting blocks are slidably connected to the inside of the limiting grooves.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. The utility model cooperates with the first hydraulic cylinder, the lifting platform, the pushing platform, the control box, the spring, the connecting piece, the pushing piece, and the rotating frame. The first hydraulic cylinder drives the lifting platform to move downward, so that the pushing platform is inserted into the control box, thereby pressing one end of the yarn. The spring pushes the connecting piece to move the pushing piece upward, and cooperates with the pushing platform to press the yarn to prevent the yarn from sliding. The rotating frame pulls the yarn rod to rotate upward to straighten the yarn, and can straighten the yarn after the yarn is dropped, which is convenient for cutting the yarn.
[0013] 2. The utility model also uses a first motor, a first screw, a moving platform, a storage box, a cutting blade, and a rotating shaft. The first motor drives the first screw to rotate, so that the moving platform moves left and right. When the moving platform moves to the left, the top of the storage box pushes the cutting blade to rotate around the rotating shaft, thereby realizing the recovery of the cutting blade and preventing the cutting blade from accidentally injuring the operator. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first viewing angle;
[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second viewing angle;
[0016] Figure 3 This is a schematic diagram of the structure of the connecting piece of the utility model from a third viewing angle;
[0017] Figure 4 This is a schematic diagram of the storage box structure of the utility model from the fourth viewing angle;
[0018] Figure 5 This is a schematic diagram of the cutting blade structure of the utility model from the fifth viewing angle;
[0019] Figure 6 This is a schematic diagram of the transmission belt structure of the utility model from the sixth viewing angle;
[0020] Figure 7 This is a schematic diagram of the fixing plate structure of the seventh viewing angle of the utility model.
[0021] In the figure: 1. processing seat; 2. first support frame; 3. first hydraulic cylinder; 4. lifting platform; 5. pushing platform; 6. control box; 7. pushing plate; 8. lifting slot; 9. connecting plate; 10. sliding rod; 11. spring; 12. storage box; 13. first motor; 14. fixing plate; 15. first lead screw; 16. moving platform; 17. connecting seat; 18. rotating shaft; 19. cutting blade; 20. torsion spring; 21. baffle; 22. second support frame; 23. second motor; 24. power wheel; 25. transmission belt; 26. driven shaft; 27. limit plate; 28. rotating frame; 29. connecting shaft; 30. fixing plate; 31. limit slot; 32. limit block; 33. embedded slot; 34. second hydraulic cylinder. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-7The utility model provides a technical solution: a safe yarn cutting device for a yarn doffing machine, comprising a processing seat 1, first support frames 2 are fixedly welded on both sides of the rear side of the processing seat 1, both sides of the first support frames 2 are set as opening structures, a lifting platform 4 is slidably installed between the two groups of first support frames 2, a first hydraulic cylinder 3 is threadedly installed on the top of the two groups of first support frames 2, the power shaft of the first hydraulic cylinder 3 penetrates the first support frame 2 and is threadedly connected with the lifting platform 4, a pushing platform 5 is fixedly welded on the bottom of the lifting platform 4, a control box 6 is fixedly welded on the upper part of the processing seat 1, and the control box 6 is directly opposite to the bottom of the pushing platform 5, and the first hydraulic cylinder 3 drives the lifting platform 4 to move downward, so that the pushing platform 5 is inserted into the control box 6 to compress one end of the yarn. A storage box 12 is fixedly welded on the left front wall of the control box 6. A first motor 13 is threadedly installed on the left outer wall of the storage box 12. The power end of the first motor 13 penetrates the outer wall of the storage box 12 and is fixedly welded with a first lead screw 15. A fixing plate 14 is fixedly welded on the front right side of the control box 6. The tail end of the first lead screw 15 is rotatably connected to the fixing plate 14. A moving platform 16 is meshedly connected to the outer side of the first lead screw 15. A cutting blade 19 is rotatably installed on the upper part of the moving platform 16. The first motor 13 drives the first lead screw 15 to rotate, so that the moving platform 16 moves left and right, and the cutting blade 19 cuts the yarn.
[0024] A push piece 7 is slidably installed inside the control box 6, and lifting grooves 8 are opened on both sides of the control box 6. Connecting pieces 9 are fixedly welded on both sides of the push piece 7. The connecting piece 9 penetrates the lifting groove 8 and a sliding rod 10 is slidably installed inside. The bottom of the sliding rod 10 is fixedly welded to the processing seat 1. A spring 11 is sleeved on the outside of the sliding rod 10. The two ends of the spring 11 are respectively fixedly welded to the processing seat 1 and the connecting piece 9. The spring 11 pushes the connecting piece 9 to make the push piece 7 move upward, and cooperates with the push table 5 to press the yarn to prevent the yarn from sliding; two sets of connecting seats 17 are fixedly welded on the top of the moving table 16, and the two sets of connecting seats 17 are rotatably installed inside. There is a rotating shaft 18, a cutting blade 19 is fixedly welded on the outside of the rotating shaft 18, and torsion springs 20 are fixedly welded on both sides of the cutting blade 19. The torsion spring 20 is sleeved on the outside of the rotating shaft 18, and the other end of the torsion spring 20 is fixedly welded to the connecting seat 17. The torsion spring 20 drives the cutting blade 19 to rotate to the vertical direction. A baffle 21 is fixedly welded on the side facing the storage box 12 between the two groups of connecting seats 17, and the baffle 21 prevents the cutting blade 19 from rotating to the left; two groups of second support frames 22 are fixedly welded on the top of the front side of the processing seat 1, and a second motor 23 is threadedly installed on the left side of the top of the processing seat 1, and a power wheel 2 is fixedly welded on the power end of the second motor 23 4. A transmission belt 25 is rotatably installed on the outer side of the power wheel 24, and a driven shaft 26 is rotatably installed on the inner side of the top of the transmission belt 25. The driven shaft 26 is rotatably connected to the second support frame 22 on the left side. The second motor 23 drives the power wheel 24 to rotate, and drives the driven shaft 26 to rotate through the transmission belt 25, thereby driving the rotating frame 28 to rotate. Two sets of limit plates 27 are fixedly welded on the outer side of the driven shaft 26. The limit plates 27 are close to both sides of the transmission belt 25 to prevent the transmission belt 25 from sliding. The driven shaft 26 penetrates the second support frame 22 and is fixedly welded with a rotating frame 28. The other end of the rotating frame 28 is fixedly welded with a connecting shaft 29, and the connecting shaft 29 is connected to the right support frame 22. The second side support frame 22 is rotatably connected; a second hydraulic cylinder 34 is threadedly installed on the outer wall of the rotating frame 28 close to the driven shaft 26, and a fixed plate 30 is threadedly installed on the output end of the second hydraulic cylinder 34. A plurality of embedding grooves 33 are provided on the side of the fixed plate 30 away from the second hydraulic cylinder 34. The second hydraulic cylinder 34 pushes the fixed plate 30 to move, and the fixed plate 30 cooperates with the outer wall of the rotating frame 28 to clamp the yarn rod to realize the yarn dropping operation; limiting grooves 31 are provided on both sides of the inner wall of the rotating frame 28, and limiting blocks 32 are fixedly welded on both sides of the fixed plate 30. The limiting blocks 32 are slidably installed inside the limiting grooves 31 to prevent the fixed plate 30 from sagging due to gravity.
[0025] Working principle: When the utility model is in use, the second motor 23 drives the power wheel 24 to rotate, and drives the driven shaft 26 to rotate through the transmission belt 25, thereby driving the rotating frame 28 to rotate, and the second hydraulic cylinder 34 drives the fixed plate 30 to move, and the fixed plate 30 cooperates with the outer wall of the rotating frame 28 to clamp the yarn rod. After the yarn rod is detached, the first hydraulic cylinder 3 drives the lifting platform 4 to move downward, so that the pushing platform 5 is inserted into the control box 6, and then presses one end of the yarn. The spring 11 pushes the connecting piece 9 to make the pushing piece 7 move upward, and cooperates with the pushing platform 5 to press the yarn to prevent the yarn from sliding. The rotating frame 28 continues to rotate upward to make the yarn straight, and the first motor 13 drives the first screw 15 to rotate, so that the movable platform 16 moves left and right, and the cutting blade 19 cuts the yarn.
[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A safety yarn cutting device for a doffer, comprising a processing seat (1), characterized in that: The two sides of the rear side of the processing seat (1) are fixedly connected with first support frames (2), and the two sides of the first support frames (2) are set to be open on both sides. A lifting platform (4) is slidably connected between the two groups of the first support frames (2). The tops of the two groups of the first support frames (2) are fixedly connected with first hydraulic cylinders (3), and the power shaft of the first hydraulic cylinder (3) penetrates the first support frames (2) and is fixedly connected to the lifting platform (4). The bottom of the lifting platform (4) is fixedly connected with a pushing platform (5). The upper part of the processing seat (1) is fixedly connected with a control box (6), and the control box (6) is directly opposite to the pushing platform. (5) bottom, the left front wall of the control box (6) is fixedly connected to a storage box (12), the left outer wall of the storage box (12) is fixedly connected to a first motor (13), the power end of the first motor (13) penetrates the outer wall of the storage box (12) and is fixedly connected to a first lead screw (15), the right front of the control box (6) is fixedly connected to a fixing plate (14), the tail end of the first lead screw (15) is rotatably connected to the fixing plate (14), the outer side of the first lead screw (15) is meshedly connected to a moving platform (16), and the upper part of the moving platform (16) is rotatably connected to a cutting blade (19).
2. A safety yarn cutting device for a doffer according to claim 1, characterized in that: A push piece (7) is slidably connected inside the control box (6), lifting grooves (8) are provided on both sides of the control box (6), connecting pieces (9) are fixedly connected on both sides of the push piece (7), the connecting piece (9) penetrates the lifting groove (8) and is slidably connected to a sliding rod (10), the bottom of the sliding rod (10) is fixedly connected to the processing seat (1), a spring (11) is sleeved on the outside of the sliding rod (10), and the two ends of the spring (11) are respectively fixedly connected to the processing seat (1) and the connecting piece (9).
3. A safe yarn cutting device for a doffer according to claim 1, characterized in that: Two groups of connection seats (17) are fixedly connected to the top of the movable platform (16); a rotating shaft (18) is rotatably connected between the two groups of connection seats (17); a cutting blade (19) is fixedly connected to the outside of the rotating shaft (18); torsion springs (20) are fixedly connected to both sides of the cutting blade (19); the torsion spring (20) is sleeved on the outside of the rotating shaft (18); the other end of the torsion spring (20) is fixedly connected to the connection seat (17); and a baffle (21) is fixedly connected between the two groups of connection seats (17) on the side facing the storage box (12).
4. A safe yarn cutting device for a doffer according to claim 1, characterized in that: Two groups of second support frames (22) are fixedly connected to the top of the front side of the processing seat (1); a second motor (23) is fixedly connected to the left side of the top of the processing seat (1); a power end of the second motor (23) is fixedly connected to a power wheel (24); a transmission belt (25) is rotatably connected to the outer side of the power wheel (24); a driven shaft (26) is rotatably connected to the inner side of the top of the transmission belt (25); the driven shaft (26) is rotatably connected to the left second support frame (22); two groups of limit plates (27) are fixedly connected to the outer side of the driven shaft (26); the limit plates (27) are closely attached to both sides of the transmission belt (25); the driven shaft (26) penetrates the second support frame (22) and is fixedly connected to a rotating frame (28); the other end of the rotating frame (28) is fixedly connected to a connecting shaft (29); the connecting shaft (29) is rotatably connected to the right second support frame (22).
5. A safe yarn cutting device for a doffer according to claim 4, characterized in that: A second hydraulic cylinder (34) is fixedly connected to the outer wall of the rotating frame (28) on the side close to the driven shaft (26); a fixed plate (30) is fixedly connected to the output end of the second hydraulic cylinder (34); and a plurality of embedding grooves (33) are formed on the side of the fixed plate (30) away from the second hydraulic cylinder (34).
6. A safety yarn cutting device for a doffer according to claim 5, characterized in that: Limiting grooves (31) are provided on both sides of the inner wall of the rotating frame (28), and limiting blocks (32) are fixedly connected to both sides of the fixing plate (30), and the limiting blocks (32) are slidably connected to the inside of the limiting grooves (31).