A roller feed for a carding machine

Abstract

The utility model relates to roller feeding technology field discloses a carding machine with roller feeding device, including first side frame and second side frame, the both sides of first side frame and second side frame opposite faces are provided with first cavity and second cavity respectively, and the both sides first cavity inside between the lower side rotatory mounting has first roller, the both sides first cavity inside the upper side all installs first pressure regulating component, and rotatory mounting has first roller between two first pressure regulating components. The carding machine with roller feeding device, when the feeding amount changes between the first roller and the second roller, because the second roller is installed between the two first pressure regulating components, the first pressure regulating component will make the longitudinal height of the second roller float according to the change of the feeding amount, adapt to different feeding amount, avoid the situation of jamming, effectively solve the problem of jamming, improve the operation stability, and, the feeding amount changes self -adaptation, guarantee the uniformity of feeding.

Description

Technical Field

[0001] This utility model relates to the field of roller feeding technology, and in particular to a roller feeding device for a carding machine. Background Technology

[0002] In the field of textile machinery, the carding machine is a core piece of equipment. In the fiber carding process of the textile industry, the roller feeding device is a key starting point, and its function is to stably and evenly transport the fiber bundle to the carding mechanism.

[0003] Traditional carding machines typically use a fixed roller feeding device. When the amount of fiber fed increases suddenly, the roller spacing cannot be adjusted adaptively. Excess fiber is easily squeezed and stuck in the narrow gap between the two rollers. This jamming will immediately interrupt the feeding process, causing the machine to stop. This seriously affects the continuous and stable operation and production efficiency of the carding machine. Furthermore, the rollers cannot dynamically compensate for natural fluctuations in the feed amount. If the feed amount is too low, it may result in insufficient gripping force on the fiber, leading to slippage or uneven feeding. If the feed amount is too high, insufficient space will cause jamming risk, making it difficult to ensure the uniformity and consistency of the fiber layer required for subsequent carding processes. Utility Model Content

[0004] Given the natural fluctuations in the existing feed rate, the rollers cannot perform dynamic compensation, making it difficult to guarantee the uniformity and consistency of the fiber layer required for subsequent carding processes. Therefore, this utility model is proposed.

[0005] Therefore, the purpose of this utility model is to provide a roller feeding device for a carding machine, the purpose of which is to allow the upper and lower feeding rollers to float up and down to adapt to different feeding amounts as the feeding amount changes.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a roller feeding device for a carding machine, comprising a first side frame and a second side frame, wherein a first cavity and a second cavity are respectively provided on the opposite sides of the first side frame and the second side frame, a first roller is rotatably installed between the lower sides of the first cavities on both sides, a first pressure regulating component is installed on the upper side of the first cavities on both sides, and a first roller is rotatably installed between the two first pressure regulating components; a second pressure regulating component is installed inside the two second cavities, and a third roller is rotatably installed between the two second pressure regulating components; A first variable frequency motor for driving the first roller to rotate is installed on the side of the first side frame away from the third roller. Gears are sleeved on the ends of the first roller and the second roller away from the first variable frequency motor, and the two gears mesh with each other. A vertical adjustment assembly is installed on the side of the second side frame away from the third roller. A second variable frequency motor for driving the third roller to rotate is movably installed and fixed on the vertical adjustment assembly. A knife holder is installed between the opposing surfaces of the first side frame and the second side frame and below the side of the third roller away from the first roller.

[0007] As an improved technical solution, crossbeams are installed between the two sides of the opposite surfaces of the first side frame and the second side frame. A first baffle is fixed between the opposite surfaces of the first side frame and the second side frame and between the first roller and the third roller. A second baffle is installed between the opposite surfaces of the first side frame and the second side frame and on the side of the third roller away from the second roller.

[0008] As an improved technical solution, the first pressure regulating component and the second pressure regulating component have the same structure. The second pressure regulating component includes a cover plate and a shaft block that is vertically slidably disposed inside the second cavity. A compression spring is provided on the opposite surface of the cover plate and the shaft block.

[0009] As an improved technical solution, the second pressure regulating component further includes two guide bars installed on both sides inside the second cavity. An adjusting pressure block is rotatably installed between the two guide bars. A protrusion is installed in the middle of one end face of the adjusting pressure block near the shaft block, and the top end of the compression spring is sleeved on the protrusion. A concave hole is opened on the top of the shaft block for placing the bottom end of the compression spring.

[0010] As an improved technical solution, a threaded rod is rotatably mounted on the middle part of the adjusting block away from the compression spring via a bearing, and a threaded hole for threaded connection with the threaded rod is provided on the cover plate. A hexagonal nut is threadedly installed on the end of the threaded rod away from the compression spring.

[0011] As an improved technical solution, the vertical adjustment assembly includes a guide rail fixed on the second side frame and a connecting frame plate installed on the second variable frequency motor. A slider is slidably installed on the guide rail. A fixed shaft is fixed to one end face of the slider near the connecting frame plate, and the fixed shaft is fixedly connected to the connecting frame plate. An active channel for the main shaft of the second variable frequency motor to pass through is opened in the second cavity near the second variable frequency motor.

[0012] After adopting the above technical solution, the beneficial effects of this utility model are: 1. In this utility model, since the shaft block is vertically slidably installed inside the second cavity, when the third roller is subjected to excessive force due to excessive feeding, it will provide an upward thrust to the shaft block and compress the clamping spring. When the feeding is reduced, the third roller is driven to reset downward under the elastic reset action of the clamping spring, thus dynamically adjusting the position of the third roller to adapt to different feeding amounts. Furthermore, by rotating the threaded rod, the adjusting pressure block is driven to move downward, which can compress the clamping spring in the initial state and provide pre-clamping force. The pre-clamping force of the clamping spring can be adjusted according to the actual situation to adapt to different environmental effects, and the adjustment is convenient.

[0013] 2. In this utility model, a first variable frequency motor simultaneously drives the first roller and gear to rotate, which reduces costs and space requirements. When the feed rate between the first roller and the second roller changes, since the second roller is installed between two first pressure regulating components, the first pressure regulating components will adjust the longitudinal height of the second roller according to the change in feed rate to adapt to different feed rates, avoid jamming, effectively solve the jamming problem, improve operational stability, and ensure feeding uniformity by adapting to changes in feed rate.

[0014] 3. In this utility model, the second variable frequency motor drives the third roller to rotate. The third roller acts as a pressing device, pressing the flax onto the cutter holder. Simultaneously, since the third roller is installed between the two second pressure regulating components, changes in the feed rate will cause the third roller to float in the longitudinal height. When the third roller changes in the longitudinal height, the vertical adjustment component will synchronously drive the second variable frequency motor to move longitudinally, maintaining the stability of the connection between the third roller and the second variable frequency motor. This allows the second variable frequency motor to continuously provide power to the third roller. At this time, the flax is pressed onto the cutter holder, providing pre-compression force for subsequent roller tapping and ensuring a stable and orderly feeding process. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them: Figure 1 This is a three-dimensional structural diagram of one side of a roller feeding device for a carding machine according to the present invention.

[0016] Figure 2 This is a three-dimensional structural diagram of the other side of a roller feeding device for a carding machine according to the present invention.

[0017] Figure 3This utility model relates to a roller feeding device for a carding machine. Figure 2 A schematic diagram of the structure at point A in the middle.

[0018] Figure 4 This is a schematic diagram of the second pressure regulating component of a roller feeding device for a carding machine according to the present invention.

[0019] Explanation of reference numerals in the attached figures: 1. First side frame; 2. Second side frame; 3. First variable frequency motor; 4. First cavity; 5. First pressure regulating assembly; 6. Second pressure regulating assembly; 61. Cover plate; 62. Threaded rod; 63. Hexagonal nut; 64. Adjusting pressure block; 65. Guide bar; 66. Compression spring; 67. Shaft block; 7. Second cavity; 8. Third roller; 9. Second variable frequency motor; 10. First roller; 11. Second roller; 12. Gear; 13. Tool holder; 14. Movable channel; 15. Guide rail; 16. Slider; 17. Fixed shaft; 18. Connecting frame plate. Detailed Implementation

[0020] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Example 1

[0021] Reference Figures 1-4 This is the first embodiment of the present invention, which provides a roller feeding device for a carding machine. This roller feeding device for a carding machine includes a first side frame 1 and a second side frame 2. A first cavity 4 and a second cavity 7 are respectively provided on the opposite sides of the first side frame 1 and the second side frame 2. A first roller 10 is rotatably installed between the lower sides of the two first cavities 4. A first pressure regulating component 5 is installed on the upper side of the two first pressure regulating components 4, and a first roller 10 is rotatably installed between the two first pressure regulating components 5. A second pressure regulating component 6 is installed in the two second cavities 7, and a third roller 8 is rotatably installed between the two second pressure regulating components 6. A first variable frequency motor 3 for driving the first roller 10 to rotate is installed on the side of the first side frame 1 away from the third roller 8. Gears 12 are sleeved on the ends of the first roller 10 and the second roller 11 away from the first variable frequency motor 3, and the two gears 12 mesh with each other. The first variable frequency motor 3 drives the first roller 10 to rotate. Under the meshing transmission of the two gears 12, the second roller 11 rotates with the first roller 10. The first roller 10 and the second roller 11 rotate simultaneously to achieve the purpose of feeding. One first variable frequency motor 3 drives the first roller 10 and the gear 12 to rotate at the same time, which reduces costs and space occupation. A vertical adjustment component is installed on the side of the second side frame 2 away from the third roller 8. A second variable frequency motor 9 for driving the third roller 8 to rotate is movably fixed on the vertical adjustment component. A knife holder 13 is installed between the opposite surfaces of the first side frame 1 and the second side frame 2 and below the side of the third roller 8 away from the first roller 10.

[0022] When the feed rate between the first roller 10 and the second roller 11 changes, since the second roller 11 is installed between the two first pressure regulating components 5, the first pressure regulating components 5 will cause the longitudinal height of the second roller 11 to float and change according to the change in feed rate, adapt to different feed rates, avoid jamming, effectively solve the jamming problem, improve operational stability, and adapt to changes in feed rate to ensure feed uniformity.

[0023] A crossbeam is installed between the two sides of the opposite faces of the first side frame 1 and the second side frame 2, and the crossbeam is located below the first roller 10. A first stop is fixed between the opposite faces of the first side frame 1 and the second side frame 2 and between the first roller 10 and the third roller 8. A second stop is installed between the opposite faces of the first side frame 1 and the second side frame 2 and on the side of the third roller 8 away from the second roller 11.

[0024] The first pressure regulating component 5 and the second pressure regulating component 6 have the same structure. The second pressure regulating component 6 includes a cover plate 61 and a shaft block 67 that is vertically slidably disposed inside the second cavity 7. The third roller 8 is rotatably mounted on the shaft block 67. A compression spring 66 is provided on the opposite surface of the cover plate 61 and the shaft block 67.

[0025] The second pressure regulating component 6 also includes two guide bars 65 installed on both sides inside the second cavity 7, and slides that slide with the guide bars 65 are provided on both sides of the shaft block 67. An adjusting pressure block 64 is rotatably installed between the two guide bars 65, and slide grooves that slide with the guide bars 65 are provided on both sides of the adjusting pressure block 64. A protrusion is installed in the middle of the adjusting pressure block 64 near one end face of the shaft block 67, and the top end of the compression spring 66 is sleeved on the protrusion. A concave hole is provided on the top of the shaft block 67 for placing the bottom end of the compression spring 66.

[0026] A threaded rod 62 is rotatably mounted on the middle of the end of the adjusting block 64 away from the compression spring 66 via a bearing. A threaded hole is provided on the cover plate 61 for threaded connection with the threaded rod 62. A hexagonal nut 63 is threadedly mounted on the end of the threaded rod 62 away from the compression spring 66. By rotating the threaded rod 62, the adjusting block 64 is driven to move downward, which can compress the compression spring 66 in the initial state and provide pre-compression force. The pre-compression force of the compression spring 66 can be adjusted according to the actual situation to adapt to different environmental effects. At the same time, the adjustment is convenient.

[0027] During use, since the shaft block 67 is vertically slidably installed inside the second cavity 7, when the third roller 8 is subjected to excessive force, it will provide an upward thrust to the shaft block 67 and compress the pressure spring 66. When the feed is reduced, the third roller 8 will be driven to return to its original position under the elastic reset action of the pressure spring 66, thus dynamically adjusting the position of the third roller 8 to adapt to different feed amounts. Example 2

[0028] Reference Figures 2-3 This is the second embodiment of the present invention. This embodiment differs from the first embodiment in that: the vertical adjustment component includes a guide rail 15 fixed on the second side frame 2 and a connecting frame plate 18 mounted on the second variable frequency motor 9. A slider 16 is slidably mounted on the guide rail 15. A fixed shaft 17 is fixed to one end face of the slider 16 near the connecting frame plate 18, and the fixed shaft 17 is fixedly connected to the connecting frame plate 18. A movable channel 14 is provided on the second cavity 7 near the second variable frequency motor 9 for the main shaft of the second variable frequency motor 9 to pass through. When the vertical height of the third roller 8 changes, the vertical adjustment component will synchronously drive the second variable frequency motor 9 to move vertically, maintaining the stability of the connection between the third roller 8 and the second variable frequency motor 9, so that the second variable frequency motor 9 can continuously provide power to the third roller 8.

[0029] During use, when the third roller 8 moves upward, it will drive roller 28 to move upward. Since the connecting plate 18 is fixedly connected to the fixed shaft 17, it will drive the slider 16 to slide longitudinally along the guide rail 15, thereby adjusting the second variable frequency motor 9 upward. When the third roller 8 moves downward, the second variable frequency motor 9 will cause the slider 16 to move downward along the guide rail 15 by its own gravity.

[0030] Based on embodiments 1-2, the working principle of this utility model is as follows: The first voltage regulating component 5 and the second voltage regulating component 6 operate on the same principle. Taking the second voltage regulating component 6 as an example, the principle is as follows: Since the shaft block 67 is vertically slidably installed inside the second cavity 7, when the third roller 8 is subjected to excessive force, it will provide an upward thrust to the shaft block 67 and compress the pressure spring 66. When the feed is reduced, the third roller 8 will be driven to return to its original position under the elastic reset action of the pressure spring 66, so as to dynamically adjust the position of the third roller 8 to adapt to different feed amounts. The first variable frequency motor 3 drives the first roller 10 to rotate. Under the meshing transmission of the two gears 12, the second roller 11 rotates with the first roller 10. The first roller 10 and the second roller 11 rotate simultaneously to achieve the purpose of feeding. The second variable frequency motor 9 drives the third roller 8 to rotate. The third roller 8 acts as a pressure material, pressing the flax onto the cutter holder 13. At the same time, since the third roller 8 is installed between the two second pressure regulating components 6, changes in the feed amount will cause the third roller 8 to float in the longitudinal height. At this time, the flax is pressed onto the cutter holder 13, providing pre-compression force for subsequent roller tapping, ensuring a stable and orderly feeding process.

[0031] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A roller feeding device for a carding machine, comprising a first side frame (1) and a second side frame (2), characterized in that: The first side frame (1) and the second side frame (2) are respectively provided with a first cavity (4) and a second cavity (7) on their opposite sides. A first roller (10) is rotatably installed between the lower sides of the first cavity (4) on both sides. A first pressure regulating component (5) is installed on the upper side of the first cavity (4) on both sides. A first roller (10) is rotatably installed between the two first pressure regulating components (5). A second pressure regulating component (6) is installed inside the two second cavities (7). A third roller (8) is rotatably installed between the two second pressure regulating components (6). A first variable frequency motor (3) for driving the first roller (10) to rotate is installed on the side of the first side frame (1) away from the third roller (8). Gears (12) are sleeved on the ends of the first roller (10) and the second roller (11) away from the first variable frequency motor (3), and the two gears (12) mesh with each other. A vertical adjustment component is installed on the side of the second side frame (2) away from the third roller (8). A second variable frequency motor (9) for driving the third roller (8) to rotate is movably installed and fixed on the vertical adjustment component. A knife holder (13) is installed between the opposite surfaces of the first side frame (1) and the second side frame (2) and below the side of the third roller (8) away from the first roller (10).

2. The roller feeding device for a carding machine according to claim 1, characterized in that: A crossbeam is installed between the two sides of the opposite face of the first side frame (1) and the second side frame (2). A first baffle is fixed between the opposite faces of the first side frame (1) and the second side frame (2) and between the first roller (10) and the third roller (8). A second baffle is installed between the opposite faces of the first side frame (1) and the second side frame (2) and on the side of the third roller (8) away from the second roller (11).

3. The roller feeding device for a carding machine according to claim 2, characterized in that: The first pressure regulating component (5) has the same structure as the second pressure regulating component (6). The second pressure regulating component (6) includes a cover plate (61) and a shaft block (67) that is vertically slidably disposed inside the second cavity (7). A compression spring (66) is provided on the opposite side of the cover plate (61) and the shaft block (67).

4. The roller feeding device for a carding machine according to claim 3, characterized in that: The second pressure regulating component (6) also includes two guide bars (65) installed on both sides inside the second cavity (7). An adjusting pressure block (64) is rotatably installed between the two guide bars (65). A protrusion is installed on the middle of one end face of the adjusting pressure block (64) near the shaft block (67), and the top end of the compression spring (66) is sleeved on the protrusion. A concave hole is opened on the top of the shaft block (67) for placing the bottom end of the compression spring (66).

5. The roller feeding device for a carding machine according to claim 4, characterized in that: The adjusting block (64) has a threaded rod (62) rotatably mounted on the middle part of the end away from the compression spring (66) via a bearing, and the cover plate (61) has a threaded hole that is threadedly connected to the threaded rod (62). A hexagonal nut (63) is threadedly mounted on the end of the threaded rod (62) away from the compression spring (66).

6. The roller feeding device for a carding machine according to claim 5, characterized in that: The vertical adjustment assembly includes a guide rail (15) fixed on the second side frame (2) and a connecting frame plate (18) mounted on the second variable frequency motor (9). A slider (16) is slidably mounted on the guide rail (15). A fixed shaft (17) is fixed on one end face of the slider (16) near the connecting frame plate (18), and the fixed shaft (17) is fixedly connected to the connecting frame plate (18). A movable channel (14) for the main shaft of the second variable frequency motor (9) to pass through is opened on the second cavity (7) near the second variable frequency motor (9).

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