Doffing device of spinning frame

Abstract

The utility model provides a spinning frame doffing device, which relates to the technical field of doffing devices and comprises a doffing box, two first sliding rails are fixedly mounted at the top of the doffing box, and first sliding blocks are movably sleeved on the outer surface walls of the two first sliding rails. According to the automatic doffing device, the efficient doffing process is achieved under the interaction of all components of the automatic doffing device, specifically, the driving force of the second electric push rod is utilized, the telescopic action of the second electric push rod drives the two sets of clamping plates to accurately clamp a set of spools through a precise transmission mechanism of the two racks and the gears, and then the spools are clamped through the two sets of clamping plates. Under the combined action of the first electric push rod and the air cylinder, the clamped yarn barrel is further stably lifted to the preset height and automatically released into the collecting box, manual intervention is greatly reduced through the doffing mode, the labor intensity of workers is reduced, and the doffing efficiency and the operation precision are remarkably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of doffing devices, in particular to a doffing device for a spinning frame. Background Technique

[0002] A spinning frame is an important device in the textile industry, mainly used for spinning roving or sliver into fine yarn. Through processes such as drafting and twisting, fibers are tightly combined to form yarn with a certain strength and fineness. The spinning frame needs to doff because during the spinning process, the yarn on the bobbin gradually winds and increases. When the bobbin is full of yarn, a doffing operation must be carried out. Doffing can timely replace the empty bobbin to ensure continuous production.

[0003] With the continuous development of the textile industry, the spinning frame plays a crucial role in yarn production. The existing spinning frames mainly rely on manual operation in the doffing link. Due to the large number of bobbins during doffing of the spinning frame, manual operation not only has a high labor intensity but also has low doffing efficiency. Content of the Utility Model

[0004] The purpose of the utility model is to solve the problem that when the above equipment is in use, due to the doffing link of the spinning frame mainly relying on manual operation during the use process of the spinning frame, the doffing efficiency is low, and thus a doffing device for a spinning frame is proposed.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A doffing device for a spinning frame, including a doffing box. Two first slide rails are fixedly installed on the top of the doffing box. The outer surfaces of both first slide rails are movably sleeved with first sliders. A moving frame is fixedly connected between the tops of the two first sliders. Two first chutes are opened on the inner surface of the moving frame. A lifting plate is slidably embedded between the inner surfaces of the two first chutes. A cylinder is fixedly connected to the top of the lifting plate, and the telescopic end of the cylinder movably penetrates inside the moving frame. A first electric push rod is fixedly connected to one side of the outer wall of the lifting plate. An installation frame is fixedly connected to one side of the outer wall of the lifting plate. Two second chutes are opened on the outer surface of the installation frame. Second sliders are slidably embedded in the inner surfaces of both second chutes. Moving plates are fixedly connected to the outer surfaces of both second sliders. A group of clamping plates are fixedly installed on the outer surfaces of both moving plates. Rack bars are fixedly connected to the outer surfaces of both moving plates. A gear is meshed between the outer surfaces of the two rack bars. A rotating shaft is fixedly inserted into the inner surface of the gear. A first bearing is fixedly sleeved on the outer surface of the rotating shaft, and the first bearing is fixedly inserted into the inside of the installation frame. A second electric push rod is fixedly connected to one side of the outer wall of one of the two rack bars, and the outer surface of the second electric push rod is fixedly connected to one side of the outer wall of the installation frame.

[0006] Preferably, two second slide rails are fixedly installed at the top of the inner wall of the doffing box, and third sliders are movably sleeved on the outer surfaces of the two second slide rails.

[0007] Preferably, a support plate is fixedly connected between the tops of the two third sliders, and a collection box is placed on the top of the support plate.

[0008] Preferably, a third chute is opened at the top of the inner wall of the doffing box, and fourth sliders are slidably embedded in the inner surfaces of the third chute, and the bottom of the support plate is fixedly connected to the top of the fourth slider.

[0009] Preferably, a threaded rod is threadedly connected to the inner surface of the fourth slider, and a driving motor is fixedly connected to one side of the outer wall of the threaded rod.

[0010] Preferably, two second bearings are fixedly sleeved on the outer surface of the threaded rod.

[0011] Preferably, four universal wheels are fixedly installed at the bottom of the doffing box.

[0012] Compared with the prior art, the advantages and positive effects of the present utility model are that

[0013] In the present utility model, through the interaction of the components of the device, an efficient doffing process is achieved. Specifically, by utilizing the driving force of the second electric push rod, its telescopic action drives two groups of clamping plates to precisely clamp a group of yarn bobbins through the precise transmission mechanism of two racks and a gear. Subsequently, under the combined action of the first electric push rod and the cylinder, the clamped yarn bobbins are further smoothly lifted to a predetermined height and automatically released into the collection box. By this doffing method, manual intervention is greatly reduced, not only reducing the labor intensity of workers, but also significantly improving the doffing efficiency and operation accuracy.

[0014] In the present utility model, through the interaction of the components of the device, the start of the driving motor can automatically push the full collection box out of the doffing box smoothly. By this way, the onerous link of manually putting hands into the collection box for handling is avoided, significantly reducing the labor intensity of workers and improving the convenience of the overall operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the main view three-dimensional structure diagram of a doffing device for a spinning frame proposed by the present utility model;

[0016] Figure 2 is the three-dimensional split view of a partial structure of a doffing device for a spinning frame proposed by the present utility model;

[0017] Figure 3 is the side view three-dimensional split view of a partial structure of a doffing device for a spinning frame proposed by the present utility model;

[0018] Figure 4 This utility model provides a partially sectional three-dimensional exploded view of a doffing device in a spinning frame.

[0019] Legend:

[0020] 1. Doffing box; 2. First slide rail; 3. First slider; 4. Moving frame; 5. First chute; 6. Lifting plate; 7. Cylinder; 8. First electric push rod; 9. Mounting frame; 10. Second chute; 11. Second slider; 12. Moving plate; 13. Clamping plate; 14. Rack; 15. Gear; 16. Rotating shaft; 17. First bearing; 18. Second electric push rod; 19. Second slide rail; 20. Third slider; 21. Support plate; 22. Collection box; 23. Third chute; 24. Fourth slider; 25. Threaded rod; 26. Driving motor; 27. Second bearing; 28. Universal wheel. Detailed implementation

[0021] In order to more clearly understand the above-mentioned objects, features and advantages of this utility model, the following further describes this utility model with reference to the drawings and embodiments. It should be noted that, without conflict, the embodiments of this application and the features in the embodiments can be combined with each other.

[0022] In the following description, many specific details are set forth to facilitate a thorough understanding of this utility model. However, this utility model can also be implemented in other ways different from those described herein. Therefore, this utility model is not limited by the limitations of the specific embodiments disclosed in the following specification.

[0023] Embodiment 1, as Figures 1-4As shown in the figure, it includes a doffing box 1. Two first slide rails 2 are fixedly installed on the top of the doffing box 1. The outer surfaces of the two first slide rails 2 are movably sleeved with first sliders 3. A moving frame 4 is fixedly connected between the tops of the two first sliders 3. Two first sliding grooves 5 are opened on the inner surface of the moving frame 4. A lifting plate 6 is slidably embedded between the inner surfaces of the two first sliding grooves 5. A cylinder 7 is fixedly connected to the top of the lifting plate 6, and the telescopic end of the cylinder 7 movably penetrates inside the moving frame 4. A first electric push rod 8 is fixedly connected to one side of the outer wall of the lifting plate 6. A mounting frame 9 is fixedly connected to one side of the outer wall of the lifting plate 6. Two second sliding grooves 10 are opened on the outer surface of the mounting frame 9. Two second sliders 11 are slidably embedded in the inner surfaces of the two second sliding grooves 10. Moving plates 12 are fixedly connected to the outer surfaces of the two second sliders 11. A set of clamping plates 13 are fixedly installed on the outer surfaces of the two moving plates 12. Rack bars 14 are fixedly connected to the outer surfaces of the two moving plates 12. A gear 15 is meshed between the outer surfaces of the two rack bars 14. A rotating shaft 16 is fixedly inserted into the inner surface of the gear 15. A first bearing 17 is fixedly sleeved on the outer surface of the rotating shaft 16, and the first bearing 17 is fixedly inserted into the inside of the mounting frame 9. A second electric push rod 18 is fixedly connected to one side of the outer wall of one of the two rack bars 14, and the outer surface of the second electric push rod 18 is fixedly connected to one side of the outer wall of the mounting frame 9.

[0024] The effect achieved by the entire Example 1 is that during the doffing process of the spinning frame, first, the first electric push rod 8 is started. Its telescopic end precisely guides the mounting frame 9 to move smoothly towards the target yarn bobbin position until a set of yarn bobbins are located between the preset two sets of clamping plates 13. Immediately afterwards, the second electric push rod 18 is started. Its telescopic end pushes one rack bar 14 to move. Since the outer surfaces of the two rack bars 14 are meshed with the outer surface of the gear 15, the movement of this one rack bar 14 drives the synchronous movement of the other rack bar 14 in the opposite direction through the transmission of the gear 15. The movement of these two rack bars 14 is then converted into the reverse movement of the two moving plates 12, thereby prompting the two sets of clamping plates 13 to firmly clamp the yarn bobbin from both sides. Subsequently, the cylinder 7 is started. Its powerful lifting force drives the entire mounting frame 9 and the clamped yarn bobbin to rise vertically. After the yarn bobbin is lifted to the upper area of the collection box 22, the telescopic end of the first electric push rod 8 retracts in the reverse direction, moving the yarn bobbin to directly above the collection box 22. At this time, the telescopic end of the second electric push rod 18 contracts again, releasing the clamping state of the yarn bobbin, and the yarn bobbin then naturally falls into the collection box 22, completing the entire doffing process. Through this doffing method, not only is the physical labor intensity of workers greatly reduced, but also the doffing efficiency is significantly improved due to its high operation convenience and the ability to process multiple yarn bobbins at one time.

[0025] Example 2, as Figures 2-4As shown in the figure, two second slide rails 19 are fixedly installed at the top of the inner wall of the doffing box 1. The outer walls of the two second slide rails 19 are movably sleeved with third sliders 20. A support plate 21 is fixedly connected between the tops of the two third sliders 20. A collection box 22 is placed on the top of the support plate 21. A third chute 23 is opened at the top of the inner wall of the doffing box 1. The inner walls of the third chute 23 are slidably embedded with fourth sliders 24. The bottom of the support plate 21 is fixedly connected to the top of the fourth slider 24. A threaded rod 25 is threadedly connected to the inner wall of the fourth slider 24. A driving motor 26 is fixedly connected to one side of the outer wall of the threaded rod 25. Two second bearings 27 are fixedly sleeved on the outer wall of the threaded rod 25. Four universal wheels 28 are fixedly installed at the bottom of the doffing box 1.

[0026] The effect achieved by the entire Embodiment 2 is that when the yarn cones in the collection box 22 accumulate to the preset capacity, by starting the driving motor 26, its output end drives the threaded rod 25 to rotate efficiently. This rotation action further causes the fourth slider 24 to smoothly slide along the inner wall of the third chute 23, realizing the operation of smoothly removing the support plate 21 together with the full collection box 22 from the doffing box 1. Given that the weight of the collection box 22 significantly increases after being full, this automated removal mechanism effectively avoids the heavy burden of manual handling, significantly reduces the labor intensity of workers. At the same time, through the precise cooperation of the two second slide rails 19 and the two third sliders 20, the height stability of the support plate 21 and the collection box 22 during the movement is ensured.

[0027] Working principle: When performing the doffing operation, first, through four precisely scheduled universal wheels 28, the entire device is smoothly moved to the predetermined doffing operation position. Then, the staff starts the first electric push rod 8, and its telescopic end slowly advances, guiding the mounting bracket 9 to approach the yarn bobbin to be processed until a group of yarn bobbins are accurately positioned between two groups of clamping plates 13. Subsequently, the second electric push rod 18 is started, and its telescopic end applies force to push a rack 14 to move horizontally. Since the outer walls of the two racks 14 are meshed and connected with the outer wall of the gear 15, this one-way movement, through the transmission effect of the gear 15, cleverly realizes the reverse synchronous movement of the other rack 14. The coordinated movement of the double racks 14 further drives the two moving plates 12 to translate in the opposite direction, and finally causes the two groups of clamping plates 13 to clamp the yarn bobbin from both sides with a stable and uniform force. After the clamping is completed, the cylinder 7 quickly responds, and uses its powerful lifting force to drive the mounting bracket 9 and the clamped yarn bobbin to rise vertically. Subsequently, the telescopic end of the first electric push rod 8 performs a reverse contraction action, precisely controlling the movement trajectory of the yarn bobbin until it reaches directly above the collection box 22. At this time, the telescopic end of the second electric push rod 18 also contracts accordingly, releasing the clamping of the yarn bobbin, so that the yarn bobbin smoothly falls into the collection box 22, completing a single doffing operation. As the number of yarn bobbins in the collection box 22 gradually increases, when the preset capacity threshold is reached, the staff starts the drive motor 26, and its output end drives the threaded rod 25 to rotate efficiently. Since the outer wall of the threaded rod 25 is threadedly connected with the inner wall of the fourth slider 24, this rotational movement is converted into the smooth sliding of the fourth slider 24 on the inner wall of the third chute 23, thereby pushing the support plate 21 and the full collection box 22 out of the doffing box 1 as a whole. This process does not require manual intervention, significantly reducing the labor intensity, and through the stable cooperation of the second slide rail 19 and the third slider 20, ensuring the high stability and safety during the movement process.

[0028] The above is only the preferred embodiment of the present invention, and it is not a limitation of the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A doffing device for a spinning frame, comprising a doffing box (1), characterized in that: Two first slide rails (2) are fixedly installed on the top of the doffing box (1), and the outer walls of the two first slide rails (2) are movably sleeved with first sliders (3). A moving frame (4) is fixedly connected between the tops of the two first sliders (3), and the inner wall of the moving frame (4) is provided with two first slide grooves (5). A lifting plate (6) is slidably embedded between the inner walls of the two first slide grooves (5). The top of the lifting plate (6) is fixedly connected with a cylinder (7), and the telescopic end of the cylinder (7) movably passes through the interior of the moving frame (4). One side of the outer wall of the lifting plate (6) is fixedly connected with a first electric push rod (8), and one side of the outer wall of the lifting plate (6) is fixedly connected with a mounting frame (9). The outer wall of the mounting frame (9) is provided with two second slide grooves (10), and the two second slide grooves (10) are fixedly connected to the outer wall of the lifting plate (6). The inner surface wall of each of the two second slide blocks (11) is slidably embedded therein, the outer surfaces of the two second slide blocks (11) are fixedly connected to a moving plate (12), the outer surfaces of the two moving plates (12) are fixedly mounted with a group of clamping plates (13), the outer surfaces of the two moving plates (12) are fixedly connected to a rack (14), the outer surfaces of the two racks (14) are meshingly connected with a gear (15), the inner surface wall of the gear (15) is fixedly inserted with a rotating shaft (16), the outer surface wall of the rotating shaft (16) is fixedly sleeved with a first bearing (17), and the first bearing (17) is fixedly inserted inside the mounting frame (9), one side of the outer wall of one of the two racks (14) is fixedly connected to a second electric push rod (18), and the outer surface wall of the second electric push rod (18) is fixedly connected to one side of the outer wall of the mounting frame (9).

2. A doffing device for a spinning frame according to claim 1, characterized in that: Two second slide rails (19) are fixedly mounted on the top of the inner wall of the doffing box (1), and third sliding blocks (20) are movably sleeved on the outer walls of the two second slide rails (19).

3. A doffing device for a spinning frame according to claim 2, characterized in that: A support plate (21) is fixedly connected between the tops of the two third sliding blocks (20), and a collection box (22) is placed on the top of the support plate (21).

4. A doffing device for a spinning frame according to claim 3, characterized in that: A third slide groove (23) is provided at the top of the inner wall of the doffing box (1), a fourth slide block (24) is slidably embedded in the inner surface wall of the third slide groove (23), and the bottom of the support plate (21) is fixedly connected to the top of the fourth slide block (24).

5. A doffing device for a spinning frame according to claim 4, characterized in that: The inner surface wall of the fourth sliding block (24) is threadedly connected to a threaded rod (25), and one side of the outer wall of the threaded rod (25) is fixedly connected to a driving motor (26).

6. A doffing device for a spinning frame according to claim 5, characterized in that: The outer wall fixing sleeve of the threaded rod (25) is provided with two second bearings (27).

7. A doffing device for a spinning frame according to claim 6, characterized in that: Four universal wheels (28) are fixedly mounted on the bottom of the doffing box (1).

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