Yarn spinning efficient coating process

Abstract

The invention discloses an efficient coating process for yarn spinning, and relates to the technical field of yarn spinning. When the efficient coating process for yarn spinning is used, yarn sequentially bypasses a main roller and an auxiliary roller in the conveying process, tension is formed through the height difference of the main roller and the auxiliary roller, and the yarn is pulled by a winding roller to move at a constant speed; paint in a paint box is conveyed to an inner cavity of a rubber wheel through a connecting pipeline and a buffering pipeline under pressure driving, the rubber wheel expands due to internal pressure, the paint is evenly permeated to the surface of yarn through holes, and in the process, a transmission system composed of a main gear disc and a linkage gear accurately controls the rotating speed ratio of a main roller to an auxiliary roller; and the elastic clamping and pressure releasing mechanism of the rubber wheel realizes the dynamic adjustment of the thickness of the coating, and finally, the high-efficiency, uniform and low-damage yarn coating process is completed.

Description

Technical Field

[0001] The invention relates to the technical field of yarn weaving, in particular to a yarn weaving high-efficiency coating process. Background Art

[0002] Yarn coating technology is one of the key processes in the textile industry. It applies functional coatings (such as waterproofing agents, flame retardants, conductive materials or antibacterial agents, etc.) on the surface of yarn to give yarn special properties, thereby expanding its application in high-end textiles, industrial fabrics, medical supplies and other fields. Traditional coating processes mostly use dipping, spraying or roller coating, but these methods generally have problems such as poor coating uniformity, high coating waste rate, low process efficiency and complex equipment in actual applications, which makes it difficult to meet the modern textile industry's demand for high efficiency, environmental protection and high quality.

[0003] In the prior art, the dipping method is one of the most common coating processes. This method immerses the yarn into a coating tank and uses capillary action to adsorb the coating on the yarn surface. However, the dipping method has obvious defects: first, the depth of coating penetration is difficult to control, which may cause excessive infiltration of the yarn core, affecting its mechanical properties (such as flexibility); second, the yarn after dipping needs to go through multiple extrusion and drying processes, which has high energy consumption and a long process cycle; third, the volatilization of the solvent in the coating tank is prone to cause environmental pollution, and the coating utilization rate is low and the residual amount is large. In addition, for high-viscosity or reactive coatings, the dipping method is prone to uneven coating thickness due to poor fluidity, affecting the functionality of the final product.

[0004] Spraying is another widely used process, which uses a high-pressure nozzle to atomize the paint and then spray it onto the yarn surface. Although the spraying method can achieve rapid coating, it has the problem of serious paint scattering, especially for fine-denier yarns, where the spray coverage is low and the edge effect is obvious, making it difficult to ensure the uniformity of the coating. In addition, a large amount of paint is suspended in the air during the spraying process, which not only causes waste, but also requires a complex exhaust gas recovery system, increasing equipment costs and maintenance difficulties.

[0005] Therefore, in view of the above problems, it is necessary for the applicant to design an efficient coating process for yarn textile to solve the problems. Summary of the invention

[0006] The object of the present invention is to provide a yarn textile high-efficiency coating process to solve the problems raised by the above background technology.

[0007] To achieve the above object, the present invention provides the following technical solution: a yarn textile high-efficiency coating process, comprising the following steps; S1, input the coating to be coated on the yarn into the coating box through the feed pipe; S2, passing the yarn through the main roller and auxiliary roller at different heights, passing through the inner side of the rubber wheel, and finally winding on the winding roller; S3, starting the first motor and the second motor to drive the winding roller, the main roller and the auxiliary roller to rotate, thereby tightening the yarn and conveying the yarn; S4, opening the electric valve, so that the paint in the paint box enters the rubber wheel through the connecting pipe, the buffer pipe and the delivery pipe under the action of pressure, the rubber wheel will expand and clamp the yarn under the action of pressure, and at the same time, the paint in the rubber wheel will pass through the holes under the action of high pressure and be coated on the yarn; The equipment using the yarn textile high-efficiency coating process includes a support frame, and a fixing bar is fixedly arranged above the support frame, an auxiliary bearing seat and a main bearing seat are fixedly arranged above the fixing bar, and auxiliary rollers and main rollers are rotatably arranged above the auxiliary bearing seat and the main bearing seat, respectively, the auxiliary rollers and the main rollers are used to tighten the yarn and transmit, a control mechanism is arranged above the support frame, and the control mechanism is used to drive the auxiliary rollers and the main rollers to rotate, and also includes: a coating mechanism arranged above the yarn for coating, the coating mechanism includes a coating box, a connecting pipe is connected to the coating box, and an electric valve is arranged on the connecting pipe, the connecting pipe is connected to a cache pipe at one end away from the coating box, and connectors fixedly connected to the coating box are arranged on both sides of the cache pipe, the cache pipe is connected to a conveying pipe, a rubber wheel is arranged at the discharge end of the conveying pipe, and a hole is arranged on the rubber wheel, a mounting wheel is arranged on the outer side of the rubber wheel, and a fixing shell fixedly connected to the conveying pipe is arranged on the outer side of the mounting wheel.

[0008] Preferably, a winding bearing seat is arranged above the fixing bar, and a winding roller for winding the yarn is rotatably arranged above the winding bearing seat.

[0009] Preferably, a gear transmission assembly is provided on one side of the winding roller, and a first motor is provided on the gear transmission assembly, the first motor drives the winding roller to rotate through the gear transmission assembly, a base is provided below the first motor, and the base is fixedly connected to the support frame.

[0010] Preferably, the control mechanism includes a main gear plate, and the main gear plate drives the main roller to rotate, the main gear plate is meshed with a linkage gear, and a connecting rod is fixedly arranged on the linkage gear, a control gear is arranged at one end of the connecting rod away from the linkage gear, an auxiliary gear is meshed with the control gear, and the auxiliary gear drives the auxiliary roller to rotate, a fixed bearing seat is rotatably arranged on the outer side of the connecting rod, and the fixed bearing seat is fixedly connected to the support frame.

[0011] Preferably, a transmission belt is coupled to the main gear plate, and a second motor is coupled to the inner side of the transmission belt, and the second motor drives the main gear plate to rotate through the transmission belt.

[0012] Preferably, a support base is fixedly disposed below the second motor, and the support base is fixedly connected to the support frame.

[0013] Preferably, a feed pipe is provided on the paint box, and the feed pipe is fixedly connected to an external material source.

[0014] Preferably, mounting members are fixedly provided on both sides of the paint box, and support columns are fixedly provided on the mounting members, and a support bar is fixedly provided on one end of the support column away from the connecting member, and the support bar is fixedly connected to the fixing bar.

[0015] Preferably, a reinforcement plate is fixedly provided on one end of the support column away from the fixing bar, and the reinforcement plate is fixedly connected to the paint box.

[0016] Preferably, a reinforcement seat is fixedly provided below the main bearing seat, and the reinforcement seat is fixedly connected to the fixing bar.

[0017] Compared with the prior art, the present invention has the following beneficial effects: 1. The yarn textile high-efficiency coating process realizes the continuous operation of the whole process of yarn conveying, coating and winding through the linkage design of main roller, auxiliary roller and winding roller, combined with gear transmission system and flexible transmission belt. The process dynamically adjusts the yarn tension through multi-stage gears to ensure that the yarn is taut and the speed is synchronized, which significantly reduces the entanglement, slippage or wire breakage caused by tension fluctuations in traditional processes and improves production efficiency. At the same time, the equipment adopts a reinforced seat and multi-point support structure to enhance the rigidity of the main bearing seat and the coating box, effectively disperse mechanical stress, reduce vibration and wear, and extend the life of key components. In addition, the coating supply system is combined with the pressure buffering function of the cache pipeline to ensure continuous and stable coating delivery and reduce the risk of manual intervention and environmental pollution.

[0018] 2. The yarn textile efficient coating process is based on the coating mechanism of the high-pressure expansion rubber wheel. The coating penetrates evenly into the yarn surface through the holes under high pressure, achieving precise control of coating thickness and penetration depth, avoiding the defects of over-infiltration or missing coating in traditional dipping or spraying processes. The dynamic expansion clamping mechanism of the rubber wheel can adapt to yarns with different linear densities to ensure uniform coating coverage during high-speed operation. In addition, through the speed adjustment of the linkage gear and the control gear, and the flexible control of the coating pressure by the electric valve, the equipment can quickly adapt to special materials such as elastic yarn and ultrafine fiber, or the coating requirements of high-viscosity and reactive coatings, significantly expanding the scope of application of the process and meeting the functional coating requirements of diversified textiles. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The overall three-dimensional structure of the present invention is shown in FIG. Figure 1 ; Figure 2The overall three-dimensional structure of the present invention is shown in FIG. Figure 2 ; Figure 3 It is a schematic diagram of the connection structure between the control mechanism of the present invention and the main roller and the auxiliary roller; Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle; Figure 5 For the present invention Figure 3 A schematic cross-sectional structure diagram of ; Figure 6 It is a three-dimensional structural schematic diagram of the coating mechanism of the present invention; Figure 7 For the present invention Figure 6 The enlarged structural diagram at B in the middle; Figure 8 It is a schematic diagram of the disassembled structure of the fixed shell, the mounting wheel and the rubber wheel of the present invention.

[0020] In the figure: 1. support frame; 2. control mechanism; 3. coating mechanism; 10. fixing bar; 11. winding bearing seat; 12. winding roller; 13. gear transmission assembly; 14. first motor; 15. auxiliary bearing seat; 16. auxiliary roller; 17. main bearing seat; 18. main roller; 19. reinforcement seat; 20. main gear plate; 21. linkage gear; 22. connecting rod; 23. control gear; 24. auxiliary gear; 25. fixed bearing seat; 26. transmission belt; 27. second motor; 28. support seat; 30. paint box; 31. connecting pipe; 32. electric valve; 33. buffer pipe; 34. conveying pipe; 35. fixing shell; 36. feeding pipe; 37. mounting piece; 38. support column; 39. support bar; 140. base; 330. connecting piece; 350. mounting wheel; 351. rubber wheel; 352. hole; 390. reinforcement plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-Figure 8 ,The present invention provides a technical solution: a yarn textile high-efficiency coating process, comprising the following steps; S1, inputting the coating material to be coated on the yarn into the coating material box 30 through the feed pipe 36; S2, passing the yarn through the main roller 18 and the auxiliary roller 16 at different heights, and passing through the inner side of the rubber wheel 351, and finally winding around the winding roller 12; S3, starting the first motor 14 and the second motor 27, which will drive the winding roller 12, the main roller 18 and the auxiliary roller 16 to rotate, so that the yarn is tightened and transported; S4, open the electric valve 32, so that the paint in the paint box 30 enters the rubber wheel 351 through the connecting pipe 31, the buffer pipe 33 and the delivery pipe 34 under the action of pressure, and the rubber wheel 351 will expand and clamp the yarn under the action of pressure, and at the same time, the paint in the rubber wheel 351 will pass through the hole 352 under the action of high pressure and be coated on the yarn; The equipment using the yarn textile high-efficiency coating process includes a support frame 1, and a fixed bar 10 is fixedly arranged above the support frame 1, an auxiliary bearing seat 15 and a main bearing seat 17 are fixedly arranged above the fixed bar 10, and an auxiliary roller 16 and a main roller 18 are rotatably arranged above the auxiliary bearing seat 15 and the main bearing seat 17, respectively, and the auxiliary roller 16 and the main roller 18 cooperate to tighten the yarn and convey it, a control mechanism 2 is arranged above the support frame 1, and the control mechanism 2 is used to drive the auxiliary roller 16 and the main roller 18 to rotate, and also includes: a coating mechanism 3 arranged above the yarn for coating, and the coating mechanism 3 includes a coating The material box 30 is connected to a connecting pipe 31, and an electric valve 32 is provided on the connecting pipe 31. The end of the connecting pipe 31 away from the paint box 30 is connected to a buffer pipe 33, and connectors 330 fixedly connected to the paint box 30 are provided on both sides of the buffer pipe 33. The buffer pipe 33 is connected to a conveying pipe 34, and a rubber wheel 351 is provided at the discharge end of the conveying pipe 34, and a hole 352 is provided on the rubber wheel 351. A mounting wheel 350 is provided on the outer side of the rubber wheel 351, and a fixing shell 35 fixedly connected to the conveying pipe 34 is provided on the outer side of the mounting wheel 350.

[0023] A winding bearing seat 11 is arranged above the fixed strip 10, and a winding roller 12 for winding the yarn is rotatably arranged above the winding bearing seat 11. By arranging the winding roller 12 and the corresponding winding bearing seat 11, the automatic winding function after the yarn is coated is realized. This structure can work together with the main roller 18 and the auxiliary roller 16 to form a continuous yarn conveying-coating-winding integrated process, which significantly improves the production efficiency. At the same time, the independent rotation design of the winding roller 12 can avoid the yarn winding and knotting problem caused by uneven tension, and ensure the stability of the coating process. The winding roller 12 2 is provided with a gear transmission assembly 13, and a first motor 14 is provided on the gear transmission assembly 13. The first motor 14 drives the winding roller 12 to rotate through the gear transmission assembly 13. A base 140 is provided below the first motor 14, and the base 140 is fixedly connected to the support frame 1. Through the gear meshing transmission, the winding speed can be accurately controlled to be synchronized with the conveying speed of the main roller 18 to avoid stretching or relaxation of the yarn due to speed difference. The fixed support of the base 140 further enhances the operating stability of the first motor 14 and reduces the influence of vibration on coating uniformity.

[0024] The control mechanism 2 includes a main gear plate 20, and the main gear plate 20 drives the main roller 18 to rotate. A linkage gear 21 is meshed on the main gear plate 20, and a connecting rod 22 is fixedly arranged on the linkage gear 21. A control gear 23 is arranged on the end of the connecting rod 22 away from the linkage gear 21. An auxiliary gear 24 is meshed on the control gear 23, and the auxiliary gear 24 drives the auxiliary roller 16 to rotate. A fixed bearing seat 25 is arranged on the outer side of the connecting rod 22, and the fixed bearing seat 25 is fixedly connected to the support frame 1. The speed ratio control of the main roller 18 and the auxiliary roller 16 is realized through multi-stage gear meshing. This design can dynamically adjust the tension of the yarn during the coating process to ensure that the yarn is always in a taut state, and prevent the accumulation or leakage of paint caused by yarn relaxation during the coating process. The fixed bearing seat The introduction of 25 further improves the rotation stability of the connecting rod 22 and reduces the mechanical wear of the gear transmission system. A transmission belt 26 is coupled to the main gear plate 20, and a second motor 27 is coupled to the inner side of the transmission belt 26. The second motor 27 drives the main gear plate 20 to rotate through the transmission belt 26, and transmits power through a flexible transmission method, which effectively reduces the speed fluctuation of the main gear plate 20 and avoids the yarn jitter that may be caused by rigid transmission. The elastic characteristics of the transmission belt 26 can also absorb the instantaneous impact load during equipment operation, extend the service life of the gear system, and reduce noise pollution. A support seat 28 is fixedly arranged under the second motor 27, and the support seat 28 is fixedly connected to the support frame 1. The support seat 28 is convenient for supporting the second motor 27, thereby improving the firmness and stability of the second motor 27 when in use.

[0025] A feed pipe 36 is provided on the paint box 30, and the feed pipe 36 is fixedly connected to an external material source, thereby realizing a continuous supply function of the paint. Direct feeding of materials through an external material source can avoid process interruptions caused by frequent manual addition of paint, thereby improving the continuity of the coating operation. In addition, the structure has good sealing performance, which can reduce the volatilization or pollution of the paint during transportation, and meets the requirements of environmentally friendly production. Mounting parts 37 are fixedly provided on both sides of the paint box 30, and support columns 38 are fixedly provided on the mounting parts 37. A support bar 39 is fixedly provided at one end of the support column 38 away from the connecting part 330, and the support bar 39 is fixedly connected to the fixing bar 10. The paint box 30 is rigidly connected to the fixing bar 10 by a multi-point fixing method, thereby greatly improving the stability of the paint box 30. This design can resist the vibration of the box caused by pressure fluctuations during the paint delivery process, prevent the pipeline interface from loosening or leaking, and at the same time reduce the mechanical interference of the paint box 30 on the transmission system of the main roller 18. A reinforcing plate 390 is fixedly provided at the end of the support column 38 away from the fixed bar 10, and the reinforcing plate 390 is fixedly connected to the paint box 30. The setting of the reinforcing plate 390 further optimizes the connection strength between the support column 38 and the paint box 30, and disperses the stress concentration caused by the internal pressure of the paint box 30 by expanding the contact area at the end of the support column 38, thereby avoiding the risk of cracking of the welding point after long-term use. In addition, the reinforcing plate 390 can suppress the lateral deformation of the support column 38, ensure that the axis of the paint box 30 and the delivery pipe 34 are aligned, and ensure smooth flow of paint.

[0026] A reinforcement seat 19 is fixedly provided below the main bearing seat 17, and the reinforcement seat 19 is fixedly connected to the fixing bar 10. The fixed connection design between the reinforcement seat 19 and the main bearing seat 17 significantly enhances the carrying capacity of the main roller 18. This structure disperses the radial load generated when the main roller 18 rotates at high speed through rigid support, thereby reducing bearing wear and extending the service life of the equipment. At the same time, the reinforcement seat 19 can suppress the slight swing of the main roller 18 caused by the change of yarn tension, thereby ensuring the linearity of the yarn conveying path and improving the uniformity of the coating coverage.

[0027] Working principle: When the yarn textile high-efficiency coating process is used, the coating to be coated on the yarn is input into the coating box 30 through the feed pipe 36. When the coating is filled, the yarn is passed around the main roller 18 and the auxiliary roller 16 in turn, and tension is formed by the height difference between the two. The first motor 14 and the second motor 27 are started at the same time. The first motor 14 will drive the winding roller 12 to rotate through the gear transmission assembly 13, and the second motor 27 will drive the transmission belt 26 to rotate. The rotation of the transmission belt 26 will drive the main gear plate 20 to rotate. The rotation of the main gear plate 20 will drive the linkage gear 21, the control gear 23 and the auxiliary gear 24 to rotate in turn, which will drive the main roller 18 The main roller 18 and the auxiliary roller 16 rotate, and cooperate with the winding roller 12 to pull the yarn to move at a constant speed. At the same time, the paint in the paint box 30 is driven by pressure through the connecting pipe 31 and the buffer pipe 33 to the inner cavity of the rubber wheel 351. The rubber wheel 351 expands due to the internal pressure and evenly penetrates the paint into the yarn surface through the hole 352. In this process, the transmission system composed of the main gear plate 20 and the linkage gear 21 accurately controls the speed ratio of the main roller 18 and the auxiliary roller 16 to maintain the yarn in a taut state, and the elastic clamping and pressure release mechanism of the rubber wheel 351 realizes dynamic adjustment of the coating thickness, and finally completes an efficient, uniform and low-damage yarn coating process.

[0028] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A yarn textile high-efficiency coating process, characterized in that: The method comprises the following steps: S1, inputting the coating material to be coated on the yarn into the coating material box (30) through the feed pipe (36); S2, passing the yarn through the main roller (18) and the auxiliary roller (16) at different heights, and passing through the inner side of the rubber wheel (351), and finally winding around the winding roller (12); S3, starting the first motor (14) and the second motor (27), which will drive the winding roller (12), the main roller (18) and the auxiliary roller (16) to rotate, thereby tightening the yarn and conveying the yarn; S4, opening the electric valve (32), so that the paint in the paint box (30) enters the rubber wheel (351) through the connecting pipe (31), the buffer pipe (33) and the delivery pipe (34) under the action of pressure, and the rubber wheel (351) expands and clamps the yarn under the action of pressure, and at the same time, the paint in the rubber wheel (351) passes through the hole (352) under the action of high pressure and is coated on the yarn; The equipment using the yarn textile high-efficiency coating process comprises a support frame (1), wherein a fixing bar (10) is fixedly arranged above the support frame (1), an auxiliary bearing seat (15) and a main bearing seat (17) are fixedly arranged above the fixing bar (10), and an auxiliary roller (16) and a main roller (18) are rotatably arranged above the auxiliary bearing seat (15) and the main bearing seat (17), respectively, wherein the auxiliary roller (16) and the main roller (18) cooperate to tighten the yarn and convey it, a control mechanism (2) is arranged above the support frame (1), and the control mechanism (2) is used to drive the auxiliary roller (16) and the main roller (18) to rotate, and further comprises: a coating mechanism (3) arranged above the yarn for coating, wherein the coating mechanism (3) comprises a coating box ( 30), the paint box (30) is connected to a connecting pipe (31), and an electric valve (32) is provided on the connecting pipe (31), one end of the connecting pipe (31) away from the paint box (30) is connected to a buffer pipe (33), and connecting pieces (330) fixedly connected to the paint box (30) are provided on both sides of the buffer pipe (33), the buffer pipe (33) is connected to a conveying pipe (34), a rubber wheel (351) is provided at the discharge end of the conveying pipe (34), and a hole (352) is provided on the rubber wheel (351), and a mounting wheel (350) is provided on the outer side of the rubber wheel (351), and a fixing shell (35) fixedly connected to the conveying pipe (34) is provided on the outer side of the mounting wheel (350).

2. A yarn textile high-efficiency coating process according to claim 1, characterized in that: A winding bearing seat (11) is arranged above the fixing strip (10), and a winding roller (12) for winding the yarn is rotatably arranged above the winding bearing seat (11).

3. A yarn textile high-efficiency coating process according to claim 2, characterized in that: A gear transmission assembly (13) is provided on one side of the winding roller (12), and a first motor (14) is provided on the gear transmission assembly (13); the first motor (14) drives the winding roller (12) to rotate via the gear transmission assembly (13); a base (140) is provided below the first motor (14), and the base (140) is fixedly connected to the support frame (1).

4. A yarn textile high-efficiency coating process according to claim 1, characterized in that: The control mechanism (2) comprises a main gear plate (20), and the main gear plate (20) drives the main roller (18) to rotate; a linkage gear (21) is meshedly arranged on the main gear plate (20), and a connecting rod (22) is fixedly arranged on the linkage gear (21); a control gear (23) is arranged at one end of the connecting rod (22) away from the linkage gear (21); an auxiliary gear (24) is meshedly arranged on the control gear (23), and the auxiliary gear (24) drives the auxiliary roller (16) to rotate; a fixed bearing seat (25) is rotatably arranged on the outer side of the connecting rod (22), and the fixed bearing seat (25) is fixedly connected to the support frame (1).

5. A yarn textile high-efficiency coating process according to claim 4, characterized in that: A transmission belt (26) is coupled to the main gear plate (20), and a second motor (27) is coupled to the inner side of the transmission belt (26); the second motor (27) drives the main gear plate (20) to rotate via the transmission belt (26).

6. A yarn textile high-efficiency coating process according to claim 5, characterized in that: A support seat (28) is fixedly arranged below the second motor (27), and the support seat (28) is fixedly connected to the support frame (1).

7. A yarn textile high-efficiency coating process according to claim 1, characterized in that: The coating box (30) is provided with a feed pipe (36), and the feed pipe (36) is fixedly connected to an external material source.

8. The yarn textile high-efficiency coating process according to claim 1, characterized in that: Mounting members (37) are fixedly provided on both sides of the paint box (30), and support columns (38) are fixedly provided on the mounting members (37). A support bar (39) is fixedly provided on one end of the support column (38) away from the connecting member (330), and the support bar (39) is fixedly connected to the fixing bar (10).

9. A yarn textile high-efficiency coating process according to claim 8, characterized in that: A reinforcing plate (390) is fixedly provided at one end of the support column (38) away from the fixing strip (10), and the reinforcing plate (390) is fixedly connected to the paint box (30).

10. The yarn textile high-efficiency coating process according to claim 1, characterized in that: A reinforcement seat (19) is fixedly disposed below the main bearing seat (17), and the reinforcement seat (19) is fixedly connected to the fixing bar (10).

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