Rotary cover plate carding structure for mixing metal rack and elastic card clothing for carding machine

Abstract

The invention relates to the technical field of textile machinery, and discloses a rotary cover plate carding structure for mixing a metal rack and elastic card clothing for a carding machine, which comprises a mixed carding structure positioned at the upper part of a cylinder circular wall plate, the mixed carding structure is positioned above the cylinder circular wall plate, and the mixed carding structure comprises support legs and a movable cover plate; the movable cover plate comprises a metal card clothing movable cover plate and an elastic card clothing movable cover plate, the metal card clothing movable cover plate and the elastic card clothing movable cover plate are arranged on the chain or the synchronous belt at intervals, and a cover plate framework and a rack of the movable cover plate are connected through a double-V-shaped groove. The metal rack cover plate and the elastic card clothing cover plate are arranged in the same rotary system in a mixed mode, advantage complementation is achieved, cover plate patterns are reduced, the raw material yield is improved, adaptability of various fibers is enhanced, the carding quality is improved, a double-V-shaped groove type structure is adopted, the pressing mode of fixed racks on the two sides of a machine body is positive pressure racks, fixing is firm, and flying-out is not likely to happen. Waste punching is avoided, and the production efficiency is effectively improved.

Description

Technical Field

[0001] This invention relates to the field of textile machinery technology, specifically a rotary cover carding structure for a carding machine that combines a metal rack and elastic carding cloth. Background Technology

[0002] The carding machine is a core piece of equipment in the spinning process, and the performance of its carding elements directly determines the quality of the yarn. Currently, the carding elements of carding machines mainly include a rotating movable cover plate and front and rear fixed cover plates.

[0003] Rotary cover plate: Usually completely covered with elastic cardioid fabric. Its advantage is that its cyclical rotation during operation carries some short fibers and impurities out of the machine, thus cleaning it. However, its significant disadvantage is that when the density and spacing are not properly configured, excessive cover plate defects can easily occur, leading to raw material waste and a decrease in overall yield. This economic disadvantage is particularly pronounced when processing valuable or high-performance fibers such as cashmere, linen, silk, aramid, and polyimide.

[0004] Front and rear fixed cover plates: These are typically covered with metal carding cloth. Their advantages include flexible density configuration, strong self-cleaning ability, and almost no cover plate blemishes. However, as a fixed carding element, they cannot dynamically remove impurities from the working area like rotating cover plates.

[0005] With the increasing prevalence of multi-component and differentiated fiber applications, existing single-type cover plate systems struggle to simultaneously meet the dual requirements of high yield and high-quality carding. Therefore, there is an urgent need in this field for an innovative cover plate structure that combines the advantages of both elastic and metallic carding fabrics.

[0006] Document CN 117431667 A discloses a combined cover plate for a carding machine, which is composed of a metal cover plate strip and an elastic cover plate strip. Both are detachably mounted on the same cover plate frame via a mounting groove, allowing for independent replacement without interference. The elastic cover plate strip is located near the fiber inlet, while the metal cover plate strip is positioned behind it. The metal cover plate strip consists of a metal carding cloth rack and a metal carding cloth rack support. The elastic cover plate consists of steel needles embedded in the base fabric and the base fabric. Although this structure also uses a combination of metal and elastic cover plates, the fact that both are mounted on the same cover plate necessitates the manufacture of cover plates of different sizes to accommodate varying installation ratios, increasing costs, making density adjustment inflexible, and making the mounting structure between the rack and the cover plate frame prone to causing the rack to fall off.

[0007] Therefore, a new technical solution is needed to solve the above-mentioned technical problems. Summary of the Invention

[0008] To address the aforementioned issues, this invention discloses a rotary carding structure for a carding machine that combines metal toothed racks with elastic carding cloth. By mixing and configuring the metal toothed rack cover and the elastic carding cloth cover in the same rotary system, complementary advantages are achieved. This reduces cover chipping, increases raw material yield, enhances adaptability to various fiber types, and improves carding quality. The double V-groove structure and the positive pressure method for fixing the toothed racks on both sides of the machine body ensures that the racks are securely fixed and do not easily fly off. Furthermore, there is no waste material during punching, effectively improving production efficiency and reducing costs.

[0009] The technical solution of the present invention is as follows: a rotary cover carding structure for mixing metal racks and elastic carding cloth in a carding machine, including a mixing carding structure located on the upper part of the cylinder wall plate, the mixing carding structure being located above the cylinder wall plate, the mixing carding structure including support feet and movable cover plates, the movable cover plates including metal carding cloth movable cover plates and elastic carding cloth movable cover plates, the metal carding cloth movable cover plates and elastic carding cloth movable cover plates being spaced apart on a chain or timing belt, and the connection method between the cover plate skeleton and the rack of the movable cover plate is a double V-groove.

[0010] By adopting the above technical solution, the metal rack cover plate and the elastic card cloth cover plate are mixed and configured in the same rotary system to achieve complementary advantages, thereby reducing cover plate defects, increasing raw material yield, enhancing adaptability to various fiber types and improving combing quality. The double V-groove structure is firmly fixed, and the pressure method of the fixed racks on both sides is positive pressure, which makes it difficult for the material to fly out, eliminating waste material cutting and achieving high efficiency.

[0011] Preferably, the ratio of the metal needle cloth movable cover plate and the elastic needle cloth movable cover plate on the chain or timing belt is consistent, and they are arranged alternately at intervals according to the ratio.

[0012] By adopting the above technical solution, the two types of cover plates are not arranged in separate zones, but are arranged alternately. For example, one metal cover plate and one elastic cover plate are arranged in a cycle. The mixing ratio of the two types of cover plates can be flexibly adjusted by 1 / N according to the characteristics of the processed fibers, such as 50:50, 60:40, 30:70, etc., to achieve customized carding process.

[0013] Preferably, the movable cover plate is connected in a ring on a chain or synchronous belt, and sprockets or synchronous belt pulleys are provided at both ends of the chain or synchronous belt drive shaft. The drive shaft of the sprockets or synchronous belt pulleys is driven by a frequency converter of a geared motor installed at one end, and its speed can be steplessly adjusted.

[0014] By adopting the above technical solution and driving it with a motor, the movable cover plate follows the chain or synchronous belt to make a circular motion, which can dynamically carry out impurities and short fibers, thereby improving the quality of the sliver.

[0015] Preferably, the metal rack cover plate and the elastic needle cloth are installed at the same height, and the distance between them and the cylinder surface is adjusted by a curved track. The metal rack cover plate may or may not have a heel-toe difference.

[0016] By adopting the above technical solution, the adaptability of this structure is increased, making it suitable for various carding machines. The modification is simple, requiring only the replacement of the original cover plate.

[0017] Preferably, the support feet include a left support foot, a middle support foot, and a right support foot located above the cylinder. The support feet are fixed to the cylinder's circular wall plate. The guide is fixed to the cylinder's circular wall plate by adjusting the support feet. The sprocket or synchronous belt pulley is respectively located on the drive shaft of the left support foot, the middle support foot, and the right support foot.

[0018] By adopting the above technical solution, the chain or timing belt, supported by the support feet and the rotation of the timing pulley, drives the movable cover plate to rotate cyclically.

[0019] Preferably, the tooth density on the metal rack cover plate is greater than, equal to or less than the tooth density on the elastic needle cloth cover plate.

[0020] By adopting the above technical solutions, the fine grading and combing of different fibers can be achieved.

[0021] Preferably, the double V-groove is a V-shaped locking part of the cover plate frame, and the locking parts on both sides of the rack are V-shaped, that is, the V-shaped rack locking groove is locked into the V-shape of the cover plate frame.

[0022] Preferably, the snap-fit ​​portions on both sides of the rack are V-shaped and facing inwards. The outermost part of the rack is a limiting part, and the abutting part is a straight part perpendicular to the plane. The abutting part is connected to the abutting part by an inclined surface. The position where the inclined surface and the abutting part are connected is inclined and V-shaped. The abutting part abuts against the snap-fit ​​portion of the cover plate frame, and the abutting part and the limiting part are parallel.

[0023] Preferably, the shapes of the limiting part, the inclined surface, and the abutment part of the cover plate frame and the rack are compatible.

[0024] By adopting the above technical solution, the cover plate frame can not only securely engage the rack, but also eliminate waste material during punching, effectively improving production efficiency and reducing costs.

[0025] The advantages of this invention are as follows: 1. By setting the metal toothed cover plate and the elastic card cloth cover plate alternately and mixing them, this invention achieves dynamic synergy and complementarity of the two cover plate combing functions, rather than simple functional superposition. It combines the soft grip and impurity removal function of the elastic card cloth with the strong combing ability of the metal card cloth, which can achieve more thorough, flexible and uniform mixing and combing of multi-component fibers.

[0026] 2. This invention achieves complementary advantages by combining the metal rack cover plate and the elastic card cloth cover plate in the same rotary system, thereby reducing cover plate defects, increasing raw material yield, enhancing adaptability to various fiber types, and improving combing quality. Furthermore, the metal rack cover plate and the elastic card cloth cover plate are independent of each other, making them easy to replace.

[0027] 3. The double V-groove structure of the cover plate frame and rack of the present invention, the pressure method of the racks fixed on both sides of the machine body is positive pressure racks that can be firmly fixed and not easily fly out, and there is no waste material during punching, which effectively improves production efficiency.

[0028] 4. This invention allows for flexible adjustment of the ratio and tooth density of the two cover plates according to fiber characteristics, making it widely applicable and easy to promote and implement. This structure can directly replace the standard rotary cover plate of existing carding machines, with low modification costs and easy promotion in the industry. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the chain-driven transmission structure of the present invention; Figure 2 For the present invention Figure 1 A schematic diagram of the structure of part A; Figure 3 This is a schematic diagram of the synchronous belt transmission structure of the present invention; Figure 4 This is a schematic diagram of the synchronous belt pulley of the present invention; Figure 5 This is a schematic diagram of the cover plate skeleton of the present invention; Figure 6 For the present invention Figure 5 A structural schematic diagram of the enlarged view of part B.

[0030] The components include: 1. Cylinder circular wall panel; 2. Left end support foot; 3. Middle support foot; 4. Right end support foot; 5. Chain or timing belt; 6. Metal rack and pinion cover plate; 7. Elastic needle cloth cover plate; 8. Cylinder; 9. Curved gauge; 11. Timing belt pulley; 12. Cover plate frame; 13. Rack and pinion; 1301. Limiting part; 1302. Inclined surface; 1303. Abutment part. Detailed Implementation

[0031] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0032] like Figure 1-6As shown, the carding machine uses a rotary carding structure with a metal rack 13 and elastic carding cloth mixed configuration. This includes a mixed carding structure located above the cylinder wall plate 1. The mixed carding structure includes supporting feet and movable covers. The movable covers include a metal carding cloth movable cover and an elastic carding cloth movable cover. The metal carding cloth movable cover and the elastic carding cloth movable cover are spaced apart on a chain or synchronous belt 5. The cover frame 12 of the movable cover and the rack 13 are connected by a double V-groove. By mixing the metal rack 13 cover 6 and the elastic carding cloth cover 7 in the same rotary system, complementary advantages are achieved to reduce cover defects, increase raw material yield, enhance adaptability to various fiber types, and improve carding quality. The double V-groove structure is securely fixed, and the pressure applied to the fixed racks 13 on both sides is positive pressure, preventing them from flying out, eliminating waste material cutting, and resulting in high efficiency.

[0033] The ratio of the metal carding cloth movable cover plate and the elastic carding cloth movable cover plate on the chain or synchronous belt 5 is kept consistent, and they are arranged alternately according to the ratio. The two types of cover plates are not arranged in separate sections, but are arranged alternately. For example, one metal cover plate and one elastic cover plate, and so on. The mixed configuration ratio of the two types of cover plates can be flexibly adjusted by 1 / N according to the characteristics of the processed fibers, such as 50:50, 60:40, 30:70, etc., to realize customized carding process.

[0034] The movable cover plate is connected in a ring on the chain or synchronous belt 5. The chain or synchronous belt 5 has sprockets or synchronous belt pulleys 11 at both ends of the drive shaft. The drive shaft of the sprockets or synchronous belt pulleys 11 is driven by a geared motor installed at one end. Its speed can be steplessly adjusted. Driven by the motor, the movable cover plate follows the chain or synchronous belt 5 in a ring movement, which can dynamically carry out impurities and short fibers, and improve the quality of the strip.

[0035] The metal rack 13 cover plate 6 and the elastic carding cloth are installed at the same height, and the size of the metal rack 13 cover plate 6 is adjusted by the curved track. The metal rack 13 cover plate 6 can be with or without heel-toe difference, which increases the adaptability of this structure. It can be used in various carding machines. The modification is simple. Only the original cover plate needs to be replaced. It can also be manufactured to match new machines.

[0036] The support feet include a left support foot 2, a middle support foot 3, and a right support foot 4 located above the cylinder circular wall plate 1. The support feet are fixed on the cylinder circular wall plate 9, and the curved gauge 9 is fixed on the cylinder circular wall plate 8. The sprocket or synchronous belt pulley 11 is respectively located on the drive shaft of the left support foot 2, the middle support foot 3, and the right support foot 4. The chain or synchronous belt 5 drives the movable cover plate to rotate cyclically through the support feet and the rotation of the synchronous belt pulley 11.

[0037] The tooth density on the metal toothed rack 13 cover plate 6 is greater than, equal to or less than the tooth density on the elastic needle cloth cover plate 7, so as to achieve fine classification and combing of different fibers.

[0038] The double V-groove is V-shaped for the locking part of the cover plate frame 12, and the locking parts on both sides of the rack 13 are V-shaped, that is, the V-shaped locking groove of the rack 13 is locked into the V-shape of the cover plate frame 12.

[0039] The engaging portions on both sides of the rack 13 are V-shaped and face inward. The outermost part of the rack 13 is the limiting portion 1301. The abutting portion 1303 is a straight shape perpendicular to the plane. The abutting portion 1303 is connected to the inclined surface 1302. The position where the inclined surface 1302 and the abutting portion 1303 are connected is inclined and V-shaped. The abutting portion 1303 abuts against the engaging portion of the cover plate frame 12. The abutting portion 1303 is parallel to the limiting portion 1301.

[0040] The shapes of the limiting part 1301, the inclined surface 1302, and the abutment part 1303 of the cover plate frame 12 and the rack 13 are compatible. The cover plate frame 12 can not only securely engage the rack 13, but also eliminate waste material during punching, effectively improving production efficiency and reducing costs.

[0041] When combing is required, the chain or timing belt 5 is driven by a motor, and the movable cover plate follows the chain or timing belt 5 to rotate in a cycle, thereby performing combing.

[0042] The motor-driven chain or synchronous belt 5 drives the mixed cover plate group to rotate in a cycle. When the fiber is carried into the carding zone by the cylinder 8, it can be carded by the elastic card cloth cover plate 7. Its main function is to hold the fiber and remove short fibers and impurities. Then, the fiber is carded by the subsequent metal toothed cover plate 6. Its high-density toothed plate 13 can perform stronger carding and refining of the fiber, and due to its self-cleaning properties, it will not accumulate fibers.

[0043] The alternating and synergistic effect of this "elastic pre-combing" and "metal combing" allows for an increase in the proportion of metal toothed strips 13 and cover plates 6 (e.g., a 60:40 configuration) for fibers requiring stronger combing capabilities (such as viscose and silk); and for fibers requiring gentler treatment (such as cashmere and fine wool), an appropriate increase in the proportion of elastic card cloth cover plates 7 (e.g., a 20:80 configuration).

[0044] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are merely examples and do not limit the present invention; the objectives of the present invention have been fully and effectively achieved. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments, and any modifications or variations of the embodiments of the present invention may be made without departing from the stated principles.

Claims

1. A rotary carding structure for a carding machine that mixes metal racks and elastic carding cloth, comprising a mixing carding structure located above the cylinder wall plate, the mixing carding structure being located above the cylinder wall plate, characterized in that: The mixed carding structure comprises support brackets and movable flat, the movable flat comprises metal card clothing movable flat and elastic card clothing movable flat, the metal card clothing movable flat and the elastic card clothing movable flat are arranged on a chain or a synchronous belt in a spaced manner, and the connection mode of the flat skeleton of the movable flat and the rack is a double V-shaped groove.

2. A rotating flat carding structure for metal bar and elastic card clothing combination for a carding machine as claimed in claim 1, wherein: The proportion of the metal card clothing movable flat and the elastic card clothing movable flat arranged on the chain or the synchronous belt is consistent, and they are arranged alternately in a spaced manner according to the proportion.

3. A rotating flat carding structure for metal bar and elastic card clothing combination according to claim 2, characterized in that: The movable flat is mounted on the chain or the synchronous belt to form a ring, chain wheels or synchronous pulleys are arranged at both ends of a transmission shaft of the chain or the synchronous belt, a transmission shaft of the chain wheel or the synchronous pulley is driven by a frequency conversion motor mounted at one end, and the speed of the frequency conversion motor can be adjusted steplessly.

4. A rotating flat carding structure for metal bar and elastic card clothing combination according to claim 3, characterized in that: The installation height of the metal rack flat and the elastic card clothing is consistent, and the gauge from the surface of the cylinder to the metal rack flat and the elastic card clothing is adjusted in size through a curved rail, and the metal rack flat is provided with a toe difference or is not provided with a toe difference.

5. A rotary flat carding structure for metal bar and elastic card clothing combination for a carding machine as claimed in claim 4, wherein: The support brackets comprise left end support brackets, middle support brackets and right end support brackets above the cylinder, the support brackets are fixed on a cylinder wall plate, the curved rail is fixed on the cylinder wall plate, and the chain wheels or the synchronous pulleys are arranged on transmission shafts of the left end support brackets, the middle support brackets and the right end support brackets respectively.

6. A rotary flat carding structure for use in a carding machine having a metal bar in combination with a card clothing according to claim 1, characterized in that: The tooth density of the metal rack flat is greater than, equal to or less than the tooth density of the elastic card clothing flat.

7. A rotary flat carding structure for use in a carding machine having a metal bar in combination with a card clothing, according to claim 1, characterized in that: The double V-shaped groove is provided with a V-shaped clamping portion of the flat skeleton and V-shaped clamping portions on both sides of the rack, that is, the V-shaped rack clamping groove is clamped to the V-shaped flat skeleton.

8. A card with a hybrid of metal bars and elastic card clothing according to claim 7, characterized in that: The clamping portions on both sides of the rack are V-shaped towards the inner side, the outermost side of the rack is a limiting portion, the abutting portion is a flat type perpendicular to the plane, the abutting portion is connected to the inclined surface through the abutting portion, the position where the inclined surface and the abutting portion are connected is inclined towards, that is, V-shaped, the abutting portion and the clamping portion of the flat skeleton are abutted, and the abutting portion and the limiting portion are parallel.

9. A card with a hybrid of metal bars and elastic card clothing according to claim 8, characterized in that: The shapes of the limiting portion, the inclined surface and the abutting portion of the flat skeleton and the rack are matched.

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