Split type color selecting and line adjusting mechanism

Abstract

The invention relates to the technical field of textile, and discloses a split type color-selecting thread-adjusting mechanism which comprises a color-selecting seat and a shell, a yarn-releasing component, a yarn-cutting component and a plurality of groups of yarn-feeding components are arranged in the shell, a clamping seat is arranged at the bottom of the front end of the color-selecting seat, a rotary fulcrum shaft matched with the clamping seat is arranged on the shell, a positioning bulge is arranged on the side surface of the shell, and a yarn-adjusting component is arranged on the shell. A locking arm capable of sliding front and back and a locking plate located behind the locking arm are arranged on the color selecting base, the locking arm and the locking plate jointly hold the positioning protrusion, an elastic tractor in linkage with the locking arm is arranged on the color selecting base, and the elastic tractor is used for pulling the locking arm to be close to the locking plate so as to provide holding force for the locking arm. A worker can overcome the pulling force of the elastic tractor through a simple operation of pulling the rear end of the locking arm, the holding state of the locking arm and the locking plate on the positioning bulge is relieved, and then the shell can be rotated and separated. By means of the design, a worker can easily complete disassembly of the color selecting base and the shell without cooperation of multiple persons, and operation convenience is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of textiles, and in particular to a split color selection and threading mechanism. Background Art

[0002] In the modern knitting industry, circular knitting machines are the core equipment for producing various knitted products. Their operating efficiency and stability are directly related to the production benefits and product quality of the enterprise. The color selection and stitching mechanism, as a key component of circular knitting machines, is responsible for accurately selecting and blending yarns of different colors. It is crucial to achieve rich and diverse color patterns of knitted products and is the core factor affecting the color richness and production efficiency of knitted products.

[0003] At present, the mainstream color selection and wiring mechanism on the market generally adopts the design mode of integrating or fixedly connecting the color selection seat and the shell. Although this traditional design ensures the integrity of the structure to a certain extent, it brings great trouble to the maintenance and inspection of the equipment. The color selection seat is densely connected with a large number of complex circuits and air circuits. Once the mechanism inside the shell of the color selection and wiring mechanism fails and needs to be repaired and maintained, the operator has to completely disassemble the entire color selection and wiring mechanism together with the color selection seat from the circular knitting machine. This disassembly process involves disassembling many circuits and air circuit connections one by one. The operation steps are cumbersome and delicate, which not only consumes a lot of time and labor costs, but also requires extremely high professional technical level and operating experience of the operator. If you are not careful, it may cause damage to the circuit and air circuit, further increasing the maintenance cost and equipment downtime.

[0004] With the vigorous development of the knitting industry and the increasingly fierce market competition, knitting companies have put forward more stringent requirements on the production efficiency and equipment maintenance convenience of knitting circular knitting machines. In order to comply with this market trend, the split color selection and alignment mechanism came into being, aiming to solve the maintenance difficulties of the traditional integrated design. However, the split color selection and alignment mechanism currently available on the market has exposed many problems in practical applications. Its structural design is often too complicated, and the connection between the various components is cumbersome, resulting in difficulties in disassembly and assembly. Considering that each knitting circular knitting machine usually needs to be equipped with dozens or even hundreds of color selection and alignment mechanisms, during the equipment maintenance process, the staff must not only ensure that the operation can be completed by one person, but also shorten the equipment downtime as much as possible to reduce the impact on the production progress. However, due to the poor convenience of disassembly and assembly, the existing split color selection and alignment mechanism is difficult to meet these practical needs, which seriously restricts the efficient operation and maintenance of knitting circular knitting machines and becomes a bottleneck hindering the further development of the knitting industry.

[0005] It can be seen that the existing technology still needs to be improved and enhanced. Summary of the invention

[0006] In view of the deficiencies of the above-mentioned prior art, the purpose of the present invention is to provide a split color selection and thread guiding mechanism, aiming to facilitate the disassembly and assembly of the color selection and thread guiding mechanism by a single person and improve the maintenance efficiency.

[0007] To achieve the above purpose, the present invention adopts the following technical solutions:

[0008] A split color selection and thread guiding mechanism includes a color selection base, a housing disposed below the color selection base and detachably connected to the color selection base. The housing is provided with a yarn feeding member, a yarn cutting member, and multiple groups of yarn feeding assemblies arranged side by side from left to right. The color selection base is provided with a yarn feeding driving structure linked to the yarn feeding member, a yarn cutting driving structure linked to the yarn cutting member, and multiple groups of yarn feeding driving structures linked to the yarn feeding assemblies; the color selection base is provided with a clamping seat at the bottom of the front end, the housing is provided with a rotating support shaft cooperating with the clamping seat, the side surface of the housing is provided with a positioning protrusion, the color selection base is provided with a lock arm that can slide back and forth and a lock plate located behind the lock arm. The lock arm and the lock plate jointly hold the positioning protrusion tightly, and the color selection base is provided with an elastic traction device linked to the lock arm, and this elastic traction device is used to pull the lock arm close to the lock plate to provide a clamping force for the lock arm.

[0009] As a further improvement of the above technical solution, the lock arm includes a hook portion, a cross bar portion, and a pulling hand portion. A clamping inner angle is formed on the lock plate. The hook portion hooks the positioning protrusion and pushes the positioning protrusion towards the clamping inner angle of the lock plate to form a lock.

[0010] As a further improvement of the above technical solution, a first guiding slope for the positioning protrusion to slide into is provided at the clamping inner angle of the lock plate, and a second guiding slope for the positioning protrusion to slide into is provided on the hook portion of the lock arm.

[0011] As a further improvement of the above technical solution, positioning protrusions are provided on both side surfaces of the housing. Two corresponding lock arms are provided, and the pulling hand portions of the two lock arms are spliced to form a "匚" - shaped structure. First kidney - shaped holes extending transversely are provided on the two lock arms, and first guiding pins cooperating with the two first kidney - shaped holes are provided in the color selection base.

[0012] As a further improvement of the above technical solution, the elastic traction device is a first tension spring and two corresponding first tension springs are provided. One end of the first tension spring is fixedly connected to the side surface of the color selection base, and the other end is fixedly connected to the side surface of the lock arm.

[0013] As a further improvement of the above technical solution, the housing includes two parallel - arranged metal plates. The two metal plates are connected by multiple shaft pins to form a hollow installation cavity. Two of the shaft pins are respectively used as a pivot shaft and the rotating support shaft, and the positioning protrusions are provided at both ends of the pivot shaft.

[0014] As a further improvement of the above technical solution, the yarn feeding assembly includes a hook plate swinging around the pivot, a yarn feeding rod arranged on the hook plate, and a yarn feeding plate that can move vertically in the shell; the yarn feeding drive structure includes a color selection push pin arranged in the color selection seat and used to drive the yarn feeding plate to move downward, a first control valve arranged on the color selection seat and a first pressure supply channel arranged in the color selection seat, a yarn selection guide hole slidably connected to the color selection push pin is provided in the color selection seat, the first pressure supply channel is connected to the yarn selection guide hole, and the valve core of the first control valve is used to control the conduction or disconnection of the first pressure supply channel and the yarn selection guide hole; the color selection push pin drives the yarn feeding plate to move downward; the hook plate is located on the rear side of the yarn feeding plate, one end of the hook plate forms a pulling head, and the other end forms a hook head, the pulling head is pulled by a second tension spring fixed on the shell, so that the hook head forms a movement tendency to drive the yarn feeding plate to move upward.

[0015] As a further improvement of the above technical solution, the yarn feeding plate includes a vertical plate body, a horizontal plate body arranged on one side of the vertical plate body, and a downward pressure body arranged on the other side of the vertical plate body. A second waist-shaped hole is opened on the vertical plate body, and at least two second guide pins matching the second waist-shaped holes are arranged in the shell body, and the hook head is pressed against the bottom surface of the horizontal plate body.

[0016] As a further improvement of the above technical solution, the yarn releasing component includes a first lever plate swinging around the pivot and a yarn releasing rod hinged at the rear end of the first lever plate; the yarn releasing driving structure includes a yarn releasing push pin arranged in the color selection seat and used to drive the yarn releasing component to swing to the yarn releasing position, a second control valve arranged on the color selection seat and a second pressure supply channel arranged in the color selection seat, the front end of the first lever plate and the yarn releasing push pin form a transmission, the rear end of the first lever is pulled by a third tension spring fixed on the shell, so that the yarn releasing component is kept in the waiting position, a yarn releasing guide hole slidably connected to the yarn releasing push pin is provided in the color selection seat, the second pressure supply channel is connected to the yarn releasing guide hole, and the valve core of the second control valve is used to control the conduction or disconnection of the second pressure supply channel and the yarn releasing guide hole.

[0017] As a further improvement of the above technical solution, the yarn cutting component includes a second lever plate swinging around the pivot and a yarn cutting rod hinged at the front end of the second lever plate, the yarn cutting drive structure includes a yarn cutting push pin arranged in the color selection seat and used to drive the yarn cutting component to swing to the yarn releasing position, a third control valve arranged on the color selection seat and a third pressure supply channel arranged in the color selection seat, the front end of the second lever plate forms a transmission with the yarn cutting push pin, the rear end of the second lever is pulled by a fourth tension spring fixed on the shell, so that the yarn cutting component is kept in the waiting position, a yarn cutting guide hole slidably connected to the yarn cutting push pin is provided in the color selection seat, the third pressure supply channel is connected to the yarn cutting guide hole, and the valve core of the third control valve is used to control the conduction or disconnection of the third pressure supply channel and the yarn cutting guide hole.

[0018] Beneficial effects of the present invention: Compared with the prior art, the staff can overcome the tension of the elastic tractor and release the locking arm and the locking plate from holding the positioning protrusion by a simple operation of pulling the rear end of the locking arm, and then rotate the separated shell. This design enables the staff to easily complete the disassembly of the color selection seat and the shell by one person, without the need for cooperation of multiple people, which greatly improves the convenience of operation. Due to the convenience of disassembly and assembly, the inspection and maintenance of multiple color selection and marking mechanisms can be completed quickly during the equipment maintenance process, greatly improving the overall maintenance work efficiency. For example, in daily maintenance, the staff can complete the inspection and maintenance of dozens or even hundreds of color selection and marking mechanisms on a knitting circular knitting machine in a shorter time, so that the equipment can be put into production faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the normal locking of the color selection seat and the shell of the color selection and threading mechanism provided by the present invention.

[0020] Figure 2 A schematic diagram of releasing the locking arm in the color selection and marking mechanism provided by the present invention.

[0021] Figure 3 This is a schematic diagram of the color selection and threading mechanism provided by the present invention, in which the housing rotates around the rotary support shaft after being separated from the color selection seat.

[0022] Figure 4 This is a schematic diagram of the complete separation of the shell and the color selection seat in the color selection and threading mechanism provided by the present invention.

[0023] Figure 5 Schematic diagram of the splicing of two locking arms.

[0024] Figure 6 The schematic diagram of the yarn placing component, yarn cutting component and yarn feeding assembly of the color selection threading mechanism being in the waiting device.

[0025] Figure 7 This is a schematic diagram of the yarn feeding drive structure driving the action of the yarn feeding component.

[0026] Figure 8 Schematic diagram of the structure of the hook plate.

[0027] Fig. 9 It is a structural schematic diagram of the yarn feeding board.

[0028] Fig.10 This is a schematic diagram of the action of the driving yarn cutting structure in the color selection wire cutter.

[0029] Fig.11 This is a schematic diagram of the action of the driving yarn release structure in the color selection threader.

[0030] Fig.12 This is a schematic diagram of the yarn placing and cutting structures in the color selection wire device in the waiting position.

[0031] Fig.13 It is a structural schematic diagram of the yarn-releasing component.

[0032] Fig.14 It is a structural schematic diagram of the yarn cutting component.

[0033] Main component symbol description: 11-color selection seat, 12-housing, 13-positioning protrusion, 14-first guide pin, 15-pivot, 16-card seat, 17-swivel support shaft, 18-second guide pin, 19-grid plate, 2-yarn release component, 21-first lever plate, 22-yarn release rod, 3-yarn cutting component, 31-second lever plate, 32-yarn cutting rod, 4-yarn feeding assembly, 41-hook plate, 411-pulling head, 412-hook head, 42-yarn feeding rod, 43-yarn feeding plate, 431-vertical plate body, 4311-second waist-shaped hole, 432-horizontal plate body, 433-lower pressure body, 5-yarn release drive structure, 51-second control valve, 52-second pressure supply Channel, 53-yarn release guide hole, 54-yarn release push pin, 6-yarn cutting drive structure, 61-third control valve, 62-third pressure supply channel, 63-yarn cutting guide hole, 64-yarn cutting push pin, 7-yarn feeding drive structure, 71-first control valve, 72-first pressure supply channel, 73-color selection push pin, 74-yarn selection guide hole, 81-locking arm, 811-hook part, 812-cross bar part, 813-handle part, 814-second guide slope, 815-first waist-shaped hole, 82-locking plate, 821-internal angle of positioning, 822-first guide slope, 83-pull pin, 91-first tension spring, 92-second tension spring, 93-third tension spring, 94-fourth tension spring. DETAILED DESCRIPTION

[0034] The present invention provides a split color selection and line mechanism. In order to make the purpose, technical solution and effect of the present invention clearer and more specific, the present invention is further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention and are not used to limit the scope of protection of the present invention.

[0035] Herein, "rear" refers to the direction in which the yarn feeding rod 42 swings from the waiting position to the yarn feeding position, and the directions of "front" and "rear" are opposite.

[0036] See also Figures 1 to 6The present invention provides a split color selection and threading mechanism, comprising a color selection seat 11, a shell 12 arranged below the color selection seat 11 and detachably connected to the color selection seat 11, wherein a yarn placing component 2, a yarn cutting component 3, and a plurality of yarn feeding components 4 arranged in parallel on the left and right are arranged in the shell 12, and a yarn placing driving structure 5 linked to the yarn placing component 2, a yarn cutting driving structure 6 linked to the yarn cutting component 3, and a plurality of yarn feeding driving structures 7 linked to the yarn feeding components 4 are arranged on the color selection seat 11; the color selection seat 11 is provided with a plurality of yarn placing driving structures 7 linked to the yarn feeding components 4; the color selection seat 11 is provided with a plurality of yarn placing driving structures 5 linked to the yarn placing component 2, a yarn cutting driving structure 6 linked to the yarn cutting component 3, and a plurality of yarn feeding ... A card seat 16 is provided at the bottom of the front end, a swivel support shaft 17 cooperating with the card seat 16 is provided on the shell 12, a positioning protrusion 13 is provided on the side of the shell 12, a locking arm 81 that can slide back and forth and a locking plate 82 located behind the locking arm 81 are provided on the color selection seat 11, the locking arm 81 and the locking plate 82 jointly hold the positioning protrusion 13, and an elastic traction device linked to the locking arm 81 is provided on the color selection seat 11, and the elastic traction device is used to pull the locking arm 81 close to the locking plate 82 to provide a clamping force for the locking arm 81.

[0037] In the split color selection and alignment mechanism, the color selection seat 11 and the housing 12 below are detachably connected through a specific structure. When the device is operating normally, the card seat 16 on the color selection seat 11 cooperates with the swing support shaft 17 on the housing 12, and the positioning protrusion 13 on the side of the housing 12 is held tightly by the locking arm 81 and the locking plate 82 on the color selection seat 11, so that the color selection seat 11 and the housing 12 are tightly and reliably connected. At this time, the yarn release drive structure 5 on the color selection seat 11 is linked with the yarn release component 2 in the housing 12, the yarn cutting drive structure 6 is linked with the yarn cutting component 3, and multiple groups of yarn feeding drive structures 7 are respectively linked with the corresponding yarn feeding components 4, so as to realize the functions of color selection and line adjustment, and ensure the accurate selection and allocation of yarns of different colors by the circular knitting machine.

[0038] When the mechanism in the housing 12 needs to be maintained and repaired, the staff pulls the rear end of the locking arm 81 to make the locking arm 81 overcome the backward pulling force of the elastic tractor and slide forward, thereby releasing the locking arm 81 and the locking plate 82 from the positioning protrusion 13. At this time, the operator can use the swivel support shaft 17 as a swivel fulcrum to rotate and separate the housing 12 from the color selection seat 11, so as to conveniently perform maintenance and repair on the yarn placing component 2, the yarn cutting component 3 and the yarn feeding component 4 in the housing 12. After the maintenance is completed, the reverse operation is performed to rotate the housing 12 with the swivel support shaft 17 as the axis until it fits with the color selection seat 11, and the locking arm 81 is released. Under the action of the elastic tractor, the locking arm 81 slides backward and holds the positioning protrusion 13 again together with the locking plate 82, completing the reconnection of the color selection seat 11 and the housing 12, so that the device returns to normal operation.

[0039] Compared with the traditional integrated design that requires disassembling a large number of circuits and gas connections one by one, the color selection seat 11 and the shell 12 are connected by the cooperation of the card seat 16 and the rotary support shaft 17, and the locking arm 81 and the locking plate 82 hold the positioning protrusion 13. When maintenance is needed, it only takes a simple operation of the locking arm 81 to achieve quick separation, which greatly simplifies the disassembly and assembly process and saves a lot of time and energy.

[0040] By simply pulling the rear end of the locking arm 81, the staff can overcome the tension of the elastic tractor, release the locking arm 81 and the locking plate 82 from holding the positioning protrusion 13, and then rotate and separate the housing 12. This design allows the staff to easily complete the disassembly of the color selection seat 11 and the housing 12 by one person without the need for multiple people to cooperate, greatly improving the convenience of operation.

[0041] Due to the convenient disassembly and assembly, multiple color selection and threading mechanisms can be quickly inspected and repaired during equipment maintenance, greatly improving the overall maintenance efficiency. For example, in daily maintenance, staff can complete the inspection and repair of dozens or even hundreds of color selection and threading mechanisms on a circular knitting machine in a shorter time, allowing the equipment to be put into production faster.

[0042] For details, see Figures 1 to 4 The locking arm 81 includes a hook portion 811, a crossbar portion 812 and a handle portion 813. A locking inner corner 821 is formed on the locking plate 82. The hook portion 811 hooks the positioning protrusion 13 and pushes the positioning protrusion 13 toward the locking inner corner 821 of the locking plate 82 to form a lock. When the hook portion 811 hooks the positioning protrusion 13, the external force can be accurately applied to the positioning protrusion 13 through the stable conduction of the crossbar portion 812, so that it is smoothly pushed toward the locking inner corner 821 of the locking plate 82. This ingenious force transmission design ensures the stability and reliability of the locking process, and when unlocking, the force applied by the operator through the handle portion 813 can also be efficiently transmitted to the hook portion 811, so that the lock is easily released.

[0043] The handle portion 813 on the locking arm 81 is designed to facilitate the staff to hold and apply force, and the hook portion 811, the crossbar portion 812 and the handle portion 813 form a whole with a clear structure and easy operation. During the operation, the staff can intuitively understand the function and operation method of the locking arm 81, which reduces the difficulty of operation and improves the accuracy and efficiency of the operation.

[0044] Preferably, see Figure 3 and Figure 4, a first guiding slope 822 for the positioning protrusion 13 to slide into is provided at the clamping inner angle 821 of the locking plate 82, and a second guiding slope 814 for the positioning protrusion 13 to slide into is provided on the hook portion 811 of the locking arm 81. The first guiding slope 822 at the clamping inner angle 821 of the locking plate 82 and the second guiding slope 814 of the hook portion 811 of the locking arm 81 can provide a clear and definite guiding path for the positioning protrusion 13 during the installation process. When the operator installs the housing 12 close to the color selection base 11, the positioning protrusion 13 can smoothly slide into the predetermined position along the first guiding slope 822 and the second guiding slope 814, greatly improving the positioning accuracy, reducing the trouble of repeatedly adjusting the position during the installation process, and making the installation process smoother and more efficient. With the guiding function of the guiding slope, the positioning protrusion 13 can quickly and accurately enter the locking position, greatly shortening the time for finding the appropriate installation angle and position during the installation process. For the dozens or even hundreds of color selection and yarn guiding mechanisms usually equipped on each circular knitting machine, the improvement of the installation efficiency will save a large amount of time for the installation work of the entire equipment, enabling the equipment to be put into production and use faster.

[0045] See Figure 1 and Figure 5 As shown, positioning protrusions 13 are provided on both side surfaces of the housing 12. Two corresponding locking arms 81 are provided, and the pulling portions 813 of the two locking arms 81 are spliced to form a "C" - shaped structure. First waist - shaped holes 815 extending transversely are formed on the two locking arms 81, and first guiding pins 14 cooperating with the two first waist - shaped holes 815 are provided in the color selection base 11, providing precise guidance for the sliding of the locking arms 81. The cross - bar portions 812 of the two locking arms 81 are connected by a pull pin 83, and an elongated hole 110 extending transversely and cooperating with the pull pin 83 is provided on the color selection base 11.

[0046] During the locking and unlocking processes, the locking arms 81 can slide smoothly along the directions of the first guiding pins 14 and the pull pin 83, avoiding problems such as jamming and skewing of the locking arms 81 during sliding, ensuring the smoothness and stability of the operation, and further improving the maintenance and installation efficiency of the equipment. This bilateral positioning design greatly enhances the stability after the connection between the housing 12 and the color selection base 11. During the high - speed operation of the circular knitting machine, it can effectively prevent the housing 12 from shaking or shifting, ensuring the accurate and reliable operation of the color selection and yarn guiding mechanism, and thus guaranteeing the quality stability of knitted products.

[0047] The pulling portions 813 of the two locking arms 81 are spliced to form a "C" - shaped structure, which is convenient for the operator to hold and apply force. The staff can control the actions of the two locking arms 81 simultaneously with only one - hand operation, realizing the quick locking and unlocking of the housing 12. Compared with operating the two locking arms 81 separately, it greatly improves the operation efficiency and saves time and labor costs.

[0048] Furthermore, the elastic tractor is a first tension spring 91 and two of them are provided accordingly, one end of the first tension spring 91 is fixedly connected to the side of the color selection seat 11, and the other end is fixedly connected to the side of the locking arm 81. The first tension spring 91 can continuously provide a stable backward pulling force for the locking arm 81, ensuring that the locking arm 81 and the locking plate 82 always tightly hold the positioning protrusion 13. During the long-term operation of the circular knitting machine, even if it is affected by external forces such as vibration and impact, it can ensure that the connection between the housing 12 and the color selection seat 11 is firm and will not loosen easily, effectively ensuring the stable operation of the color selection and alignment mechanism.

[0049] Specifically, the housing 12 includes two parallel metal plates, which are connected by multiple axle pins to form a hollow installation cavity, forming a stable frame structure. This structure can withstand large external forces and vibrations, is not easily deformed and damaged during the long-term operation of the circular knitting machine, ensures the installation accuracy and stability of each component in the housing 12, and prolongs the service life of the entire color selection and alignment mechanism.

[0050] The two axle pins are used as the pivot 15 and the swing support shaft 17 respectively, and the positioning protrusions 13 are arranged at both ends of the pivot 15. This design reduces the number of parts and components, reduces the complexity of assembly, and also improves the compactness of the structure. One axle pin has multiple functions, which not only saves material costs, but also simplifies the processing technology and improves production efficiency.

[0051] The existing color selection and adjustment mechanism has a relatively large overall height, which not only takes up more space, but also makes it relatively less adaptable to knitting machines, greatly limiting the promotion and application of this technology on different knitting equipment. For example, the color selection mechanism provided by patent CN216074229U is because the swing plate and the yarn feeding plate of the yarn feeding assembly are hinged and the swing plate is located below the yarn feeding plate. This layout leads to a relatively large overall height of the color selection mechanism.

[0052] In this embodiment, see Figure 6-Figure 8The yarn feeding assembly 4 includes a hook plate 41 swinging around the pivot 15, a yarn feeding rod 42 arranged on the hook plate 41, and a yarn feeding plate 43 that can move vertically in the housing 12; the yarn feeding driving structure 7 includes a color selection push pin 73 arranged in the color selection seat 11 and used to drive the yarn feeding plate 43 to move downward, a first control valve 71 arranged on the color selection seat 11 and a first pressure supply channel 72 arranged in the color selection seat 11, and a yarn selection guide hole 74 slidably connected to the color selection push pin 73 is provided in the color selection seat 11. A pressure supply channel 72 is connected to the yarn selection guide hole 74, and the valve core of the first control valve 71 is used to control the connection or disconnection of the first pressure supply channel 72 and the yarn selection guide hole 74; the color selection push pin 73 drives the yarn feeding plate 43 to move downward; the hook plate 41 is located on the rear side of the yarn feeding plate 43, and a pull head 411 is formed at one end of the hook plate 41, and a hook head 412 is formed at the other end. The pull head 411 is pulled by the second tension spring 92 fixed on the shell 12, so that the hook head 412 forms a movement trend to drive the yarn feeding plate 43 to move upward.

[0053] In fact, the hook plate 41 acts as a lever. In the non-working state, since the second tension spring 92 pulls the pull head 411 of the hook plate 41 downward, the hook head 412 of the hook plate 41 will form a reverse force, forming a force to drive the yarn feeding plate 43 to move upward, so that the yarn feeding plate 43 and the yarn feeding rod 42 are in the waiting position. When the color selection and yarn feeding operation is required, the first control valve 71 is opened, and the first pressure supply channel 72 delivers air pressure to the yarn selection guide hole 74, pushing the color selection push pin 73 to move downward. During the downward movement of the yarn feeding plate 43, the hook plate 41 is driven to swing, and then the yarn feeding rod 42 is swung backward to the yarn feeding position. Through the control of the color selection push pin 73 by the yarn feeding drive structure 7 and the mutual cooperation between the hook plate 41 and the yarn feeding plate 43, the switching of the yarn feeding rod 42 between the waiting position and the yarn feeding position is realized, thereby completing the color selection and yarn feeding work.

[0054] Thanks to the hook plate 41 in the yarn feeding assembly 4 being located at the rear side of the yarn feeding plate 43, the overall height is effectively reduced compared to the structure in the prior art in which the swing plate is located below the yarn feeding plate and is hinged. This makes the installation of the structure in the circular knitting machine more convenient, and can better adapt to the limited space inside the knitting machine, reducing the space occupied, and improving the utilization rate of the internal space of the circular knitting machine. Due to the reduction in overall height and space occupied, the color selection yarn feeding structure can be adapted to more types of circular knitting machines. Under the current trend of knitting equipment towards integration and diversification, its wide adaptability allows it to be applied to different types of knitting equipment, greatly expanding the scope of application, meeting the industry's requirements for equipment versatility, and helping to promote the widespread application of color selection yarn feeding technology in the knitting industry and promote the upgrading and development of knitting equipment.

[0055] In this embodiment, the bottom of the color selection seat 11 is a low front and high back structure, and the color selection push pin 73 is located on the front end of the color selection seat 11. Correspondingly, the top of the metal plate is a low front and high back structure, the yarn feeding plate 43 is located on the front end of the shell 12, and the hook plate 41 is located on the rear end of the shell 12. This design not only ensures the strength and stability of the shell 12, but also effectively utilizes the space, making the installation of internal components more regular. At the same time, the bottom of the color selection seat 11 and the top of the metal plate are a low front and high back structure, the yarn feeding plate 43 is located at the front end of the shell 12, and the hook plate 41 is located at the rear end. This layout reasonably allocates the positions of various components, making the entire color selection and yarn feeding structure more compact. The compact structure not only reduces the space occupied by the equipment, but also facilitates installation and integration in equipment such as knitting circular knitting machines, thereby improving the space utilization rate of the equipment.

[0056] For details, see Figure 7 and Fig. 9 As shown, the yarn feeding board 43 includes a vertical plate body 431, a horizontal plate body 432 arranged on one side of the vertical plate body 431, and a lower pressing body 433 arranged on the other side of the vertical plate body 431. The vertical plate body 431 is provided with a second waist-shaped hole 4311, and at least two second guide pins 18 matching the second waist-shaped holes 4311 are provided in the housing 12. The hook head 412 is pressed against the bottom surface of the horizontal plate body 432; the vertical plate body 431 of the yarn feeding board 43 is provided with a second waist-shaped hole 4311, and matches with at least two second guide pins 18 in the housing 12. When the yarn feeding board 43 moves up and down, the second guide pin 18 slides accurately in the second waist-shaped hole 4311, which can not only effectively limit the moving direction of the yarn feeding board 43, but also absorb part of the impact force generated by the movement. This allows the yarn feeding board 43 to always maintain stable operation during the entire color selection and yarn feeding process, greatly reducing the possibility of shaking and deviation. The yarn feeding rod 42 is installed on the yarn feeding plate 43. The smooth movement of the yarn feeding plate 43 directly ensures the stability of the yarn feeding action of the yarn feeding rod 42, thereby improving the stability and accuracy of yarn transportation, providing a solid guarantee for the production of high-quality knitted products.

[0057] The special design of the hook head 412 on the hook plate 41 ensures that the cross plate body 432 does not interfere with the movement of the main body of the hook plate 41, and can always be firmly pressed against the bottom surface of the cross plate body 432. This direct pressing connection method forms an efficient force transmission path. When the hook plate 41 swings, the force can be quickly and stably transmitted to the yarn feeding plate 43, driving it to move upward. When the color selection push pin 73 drives the yarn feeding plate 43 to move downward, the close contact between the bottom surface of the cross plate body 432 and the hook head 412 can maintain the stability of the structure and prevent the yarn feeding plate 43 from unnecessary displacement or loosening during movement. This stable structural connection not only reduces the wear and failure risks caused by improper matching between components, but also extends the service life of the entire color selection and yarn feeding structure, reducing the maintenance frequency and cost of the equipment.

[0058] The lower pressing body 433 forms a transmission cooperation with the color selection push pin 73, so that the vertical movement of the color selection push pin 73 can be accurately converted into the vertical movement of the yarn feeding plate 43. When the color selection push pin 73 moves downward, through cooperation with the lower pressing body 433, the descending distance and speed of the yarn feeding plate 43 can be accurately controlled, and then the yarn feeding rod 42 is accurately driven to swing from the waiting position to the yarn feeding position, which effectively improves the precision and accuracy of yarn feeding, ensures the stability and consistency of yarn delivery, and is conducive to the production of high-quality knitted products.

[0059] In this embodiment, the yarn feeding assembly 4 is provided with four groups to realize the color selection of multiple yarns, that is, four yarn feeding plates 43 are arranged in the shell 12. In order to ensure that the four yarn feeding plates 43 are arranged stably at left and right intervals, a grid plate 19 is provided on the shell 12 to limit the yarn feeding plates 43.

[0060] The yarn releasing rod 22 and the yarn cutting rod 32 in the traditional color selection threading mechanism work synchronously. Therefore, the time interval between yarn releasing and yarn cutting is fixed, and it is difficult to make different action times for different varieties of yarn. Different varieties of yarn have different characteristics such as thickness, material, and tensile properties, and the time required for yarn releasing and yarn cutting in the weaving process is also different. The fixed time interval between yarn releasing and yarn cutting cannot meet these diverse needs, which may cause problems such as uneven tension, broken ends, and waste of yarn during the weaving process, thereby affecting the quality and production efficiency of the textile. For this reason, the yarn releasing component 2 and the yarn cutting component 3 provided by the present invention are independently controlled, so as to flexibly adjust the time interval between yarn releasing and yarn cutting to adapt to the needs of different varieties of yarn.

[0061] For details, see Fig.10 , Fig.12 and Fig.13 The yarn releasing component 2 includes a first lever plate 21 swinging around the pivot 15 and a yarn releasing rod 22 hinged at the rear end of the first lever plate 21; the yarn releasing driving structure 5 includes a yarn releasing push pin 54 arranged in the color selection seat 11 and used to drive the yarn releasing component 2 to swing to the yarn releasing position, a second control valve 51 arranged on the color selection seat 11 and a second pressure supply channel 52 arranged in the color selection seat 11. The front end of the first lever plate 21 forms a transmission with the yarn releasing push pin 54, and the rear end of the first lever 21 is pulled by a third tension spring 93 fixed on the shell 12 to keep the yarn releasing component 2 in the waiting position. A yarn releasing guide hole 53 slidably connected to the yarn releasing push pin 54 is provided in the color selection seat 11, and the second pressure supply channel 52 is communicated with the yarn releasing guide hole 53. The valve core of the second control valve 51 is used to control the conduction or disconnection of the second pressure supply channel 52 and the yarn releasing guide hole 53, so as to realize precise control of the yarn releasing push pin 54.

[0062] By such arrangement, the driving force of the yarn releasing push pin 54 can be more effectively transmitted to the yarn releasing component 2. The yarn releasing rod 22 is hinged at the rear end of the first lever 21, so that the yarn releasing rod 22 can swing around the hinge point. This hinged structure gives the yarn releasing rod 22 a greater degree of freedom of movement, so that it can adjust the angle and position of the yarn releasing according to different textile needs. At the same time, through the transmission of the first lever 21, the yarn releasing push pin 54 can more flexibly control the swing amplitude and speed of the yarn releasing rod 22, thereby realizing the precise adjustment of the yarn releasing amount and the yarn releasing speed. After the yarn releasing component 2 completes the yarn releasing action, the yarn releasing drive structure 5 stops driving, and the yarn releasing push pin 54 no longer applies a force to the first lever 21. At this time, the elastic potential energy stored in the third tension spring 93 is released, pulling the rear end of the first lever 21, so that the first lever 21 and the yarn releasing rod 22 hinged thereto are quickly reset to the waiting position. This automatic reset function ensures that the yarn releasing component 2 can be ready for the next yarn releasing operation in time, thereby improving the continuity and efficiency of textile work.

[0063] For further information, see Fig.11 , Fig.12 and Fig.14 The yarn cutting component 3 includes a second lever plate 31 swinging around the pivot 15 and a yarn cutting rod 32 hinged at the front end of the second lever plate 31. The yarn cutting driving structure 6 includes a yarn cutting push pin 64 arranged in the color selection seat 11 and used to drive the yarn cutting component 3 to swing to the yarn releasing position, a third control valve 61 arranged on the color selection seat 11 and a third pressure supply channel 62 arranged in the color selection seat 11. The front end of the second lever plate 31 forms a transmission with the yarn cutting push pin 64, and the rear end of the second lever is pulled by the fourth tension spring 94 fixed on the shell 12 to keep the yarn cutting component 3 in the waiting position. A yarn cutting guide hole 63 slidably connected to the yarn cutting push pin 64 is provided in the color selection seat 11, and the third pressure supply channel 62 is connected to the yarn cutting guide hole 63. The valve core of the third control valve 61 is used to control the conduction or disconnection of the third pressure supply channel 62 and the yarn cutting guide hole 63, so as to accurately control the yarn cutting push pin 64.

[0064] This direct transmission method can ensure that the power of the yarn cutting drive structure 6 is accurately and efficiently transmitted to the yarn cutting component 3. When the yarn cutting push pin 64 moves downward under the drive of the yarn cutting drive structure 6, it can quickly drive the second lever plate 31 to swing, so that the yarn cutting rod 32 hinged at its front end can quickly reach the yarn cutting position and complete the yarn cutting action. Compared with indirect or complex transmission structures, it reduces energy loss and action delay, improves the accuracy and efficiency of yarn cutting, ensures that the yarn is accurately cut at the right time, and helps to improve the quality and production efficiency of textiles. When the yarn cutting drive structure 6 drives the yarn cutting push pin 64 to drive the second lever plate 31 to swing to complete the yarn cutting action, the fourth tension spring 94 can use its own elastic force to quickly pull the second lever plate 31 and the yarn cutting rod 32 back to the waiting position. This ensures that the yarn cutting component 3 can be accurately reset after each yarn cutting action is completed, ensuring the consistency and reliability of the yarn cutting action. In the continuous textile production process, the stable resetting of the yarn cutting member 3 helps to maintain the stable operation of the entire textile system, reduce the yarn cutting abnormality problem caused by the position deviation of the yarn cutting member 3, and thus improve the quality and production efficiency of the textile.

[0065] When the textile process needs to introduce new yarn, the control system issues an instruction to drive the yarn feeding rod 42 to swing from the waiting position to the yarn feeding position. In this process, the motion trajectory and position of the yarn feeding rod 42 are precisely designed and controlled to ensure that it can accurately reach the position required for yarn feeding and prepare for the subsequent yarn releasing operation. After the yarn feeding rod 42 reaches the yarn feeding position, the yarn releasing drive structure 5 drives the yarn releasing component 2 connected thereto to swing, and the yarn releasing component 2 overcomes the traction force of the third tension spring 93 and swings from the waiting position to the yarn releasing position. At this time, the yarn is released by the yarn releasing component 2 and begins to be transported along a specific path, entering the yarn feeding area determined by the yarn feeding rod 42 to provide the required yarn for textile. After the yarn is released, the yarn feeding rod 42 returns to the waiting position from the yarn feeding position under the action of the corresponding drive device. The reset action of the yarn feeding rod 42 needs to be coordinated with the yarn releasing and yarn cutting actions to ensure that the yarn will not be disturbed or have problems such as abnormal tension during the conveying process. After the yarn feeding rod 42 is reset, the yarn cutting driving structure 6 drives the yarn cutting member 3 to swing, and the yarn cutting member 3 overcomes the traction force of the fourth tension spring 94 and swings from the waiting position to the yarn cutting position. At the yarn cutting position, the yarn cutting member 3 cuts off the yarn that has completed the yarn feeding task, so that the length of the yarn meets the requirements of the textile process, and is ready for the next yarn feeding and yarn releasing operation.

[0066] The yarn releasing and yarn cutting actions can be performed independently according to actual needs without interfering with each other; compared with the prior art in which the yarn releasing rod 22 and the yarn cutting rod 32 work synchronously and the time interval between yarn releasing and yarn cutting is fixed. The present invention controls the yarn releasing and yarn cutting actions respectively through an independent yarn releasing drive structure 5 and a yarn cutting drive structure 6, and can flexibly adjust the time interval between yarn releasing and yarn cutting according to the thickness, material, tensile properties and other characteristics of different types of yarns. In this way, the diversified yarn processing needs can be met, and the problems of uneven tension, broken ends, and waste of yarns in the textile process caused by improper time intervals can be avoided.

[0067] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0068] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0069] It is understandable that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of the present invention, and all these changes or substitutions should fall within the protection scope of the present invention.

Claims

1. A split color selection and alignment mechanism, characterized in that: It includes a color selection base, a housing disposed below the color selection base and detachably connected to the color selection base. Inside the housing, there are a yarn feeding member, a yarn cutting member, and multiple groups of yarn feeding assemblies arranged side by side left and right. On the color selection base, there are a yarn feeding driving structure linked to the yarn feeding member, a yarn cutting driving structure linked to the yarn cutting member, and multiple groups of yarn feeding driving structures linked to the yarn feeding assemblies. At the bottom of the front end of the color selection base, there is a clamping seat, on the housing, there is a rotating support shaft cooperating with the clamping seat, on the side of the housing, there is a positioning protrusion, on the color selection base, there is a lock arm that can slide back and forth and a lock plate located behind the lock arm. The lock arm and the lock plate jointly clamp the positioning protrusion, and on the color selection base, there is an elastic traction device linked to the lock arm, and this elastic traction device is used to pull the lock arm close to the lock plate to provide a clamping force for the lock arm.

2. The split color selection and marking mechanism according to claim 1, characterized in that: The lock arm includes a hook portion, a cross bar portion, and a pulling hand portion. A clamping inner corner is formed on the lock plate. The hook portion hooks the positioning protrusion and pushes the positioning protrusion towards the clamping inner corner of the lock plate to form a lock.

3. The split color selection and marking mechanism according to claim 2 is characterized in that: At the clamping inner corner of the lock plate, there is a first guiding slope for the positioning protrusion to slide into, and on the hook portion of the lock arm, there is a second guiding slope for the positioning protrusion to slide into.

4. The split color selection and marking mechanism according to claim 2 or 3, characterized in that: Positioning protrusions are provided on both side surfaces of the housing. There are two corresponding lock arms, and the pulling hand portions of the two lock arms are spliced to form a "匚" - shaped structure. On the two lock arms, there are first kidney - shaped holes extending horizontally, and inside the color selection base, there are first guiding pins cooperating with the two first kidney - shaped holes.

5. The split color selection and marking mechanism according to claim 1, characterized in that: The elastic traction device is a first tension spring and there are two corresponding ones. One end of the first tension spring is fixedly connected to the side surface of the color selection base, and the other end is fixedly connected to the side surface of the lock arm.

6. The split color selection and marking mechanism according to claim 1, characterized in that: The housing includes two parallel - arranged metal plates. The two metal plate bodies are connected by multiple shaft pins and form a hollow installation cavity. Two of the shaft pins are respectively used as a pivot shaft and the rotating support shaft, and the positioning protrusions are provided at both ends of the pivot shaft.

7. The split color selection and marking mechanism according to claim 6 is characterized in that: The yarn feeding assembly includes a hook plate that swings around the pivot shaft, a yarn feeding rod provided on the hook plate, and a yarn feeding plate that can move vertically inside the housing. The yarn feeding driving structure includes a color selection push rod disposed inside the color selection base and used to drive the yarn feeding plate to move downward, a first control valve provided on the color selection base, and a first pressure supply channel provided inside the color selection base. Inside the color selection base, there is a yarn selection guiding hole slidably connected to the color selection push rod. The first pressure supply channel is communicated with the yarn selection guiding hole. The valve core of the first control valve is used to control the conduction or disconnection of the first pressure supply channel and the yarn selection guiding hole. The color selection push rod drives the yarn feeding plate to move downward. The hook plate is located behind the yarn feeding plate. One end of the hook plate forms a pulling head, and the other end forms a hook head. The pulling head is pulled by a second tension spring fixed on the housing, so that the hook head forms a movement trend to drive the yarn feeding plate to move upward.

8. The split color selection and marking mechanism according to claim 7, characterized in that: The yarn feeding plate includes a vertical plate body, a horizontal plate body provided on one side of the vertical plate body, and a downward - pressing body provided on the other side of the vertical plate body. A second kidney - shaped hole is opened on the vertical plate body. Inside the housing, there are at least two second guiding pins cooperating with the second kidney - shaped hole. The hook head presses against the bottom surface of the horizontal plate body.

9. The split color selection and marking mechanism according to claim 6, characterized in that: The yarn releasing component includes a first lever plate swinging around the pivot and a yarn releasing rod hinged at the rear end of the first lever plate; the yarn releasing driving structure includes a yarn releasing push pin arranged in the color selection seat and used for driving the yarn releasing component to swing to the yarn releasing position, a second control valve arranged on the color selection seat and a second pressure supply channel arranged in the color selection seat, the front end of the first lever plate and the yarn releasing push pin form a transmission, the rear end of the first lever is pulled by a third tension spring fixed on the shell, so that the yarn releasing component is kept in the waiting position, a yarn releasing guide hole slidably connected to the yarn releasing push pin is provided in the color selection seat, the second pressure supply channel is connected to the yarn releasing guide hole, and the valve core of the second control valve is used for controlling the conduction or disconnection of the second pressure supply channel and the yarn releasing guide hole.

10. The split color selection and marking mechanism according to claim 6, characterized in that: The yarn cutting component includes a second lever plate that swings around the pivot and a yarn cutting rod hinged at the front end of the second lever plate. The yarn cutting driving structure includes a yarn cutting push pin arranged in the color selection seat and used to drive the yarn cutting component to swing to the yarn releasing position, a third control valve arranged on the color selection seat and a third pressure supply channel arranged in the color selection seat. The front end of the second lever plate forms a transmission with the yarn cutting push pin, and the rear end of the second lever is pulled by a fourth tension spring fixed on the shell to keep the yarn cutting component in the waiting position. A yarn cutting guide hole that is slidably connected to the yarn cutting push pin is provided in the color selection seat, and the third pressure supply channel is connected to the yarn cutting guide hole. The valve core of the third control valve is used to control the connection or disconnection of the third pressure supply channel and the yarn cutting guide hole.

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