Rapid pattern switching device of efficient jacquard

Abstract

The utility model relates to the technical field of pattern switching of jacquard machines, and discloses a rapid pattern switching device of an efficient jacquard machine, which comprises a supporting table, the top of the supporting table is fixedly connected with a jacquard machine main body, and the outer side of the jacquard machine main body is fixedly connected with two groups of supporting blocks at positions corresponding to the top of the supporting table. Wherein a weft feeding sword is inserted into the outer side of one set of supporting blocks, a weft receiving sword is inserted into the outer side of the other set of supporting blocks, one end of the weft feeding sword and one end of the weft receiving sword are fixedly connected with driving blocks, and the bottoms of the driving blocks are fixedly connected with the top of the supporting table. According to the friction reducing device, sliding friction between the weft receiving sword and the weft is converted into rolling friction through the rolling wheels, friction force is greatly reduced, abrasion to the weft is reduced, the service life of the weft is prolonged, production cost is reduced, stability of the weft in the conveying process is guaranteed, and the service life of the weft receiving sword is prolonged. And weft breakage or deformation caused by excessive friction is avoided, so that the product quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of pattern switching technology for jacquard machines, specifically a pattern switching device for a high-efficiency jacquard machine. Background Technology

[0002] Jacquard looms create various patterns and designs by controlling the interlacing of warp and weft threads. Specifically, a jacquard loom has many heddles, each controlling one or more warp threads. During the weaving process, according to the preset pattern, the jacquard loom's control system raises or lowers the heddles in a certain order and pattern, causing the warp threads to form different openings. The weft threads then weave through these openings using shuttles and other weft insertion devices, interlacing with the warp threads to form specific patterns and designs. The jacquard loom's pattern quick-change device allows the loom to quickly switch from one pattern to another during production.

[0003] According to Chinese Patent CN202022201275.5, multiple coils can be inserted into a support rod at once. Due to the angled placement of the rod, the coil closest to it is used. During use, as the number of coils decreases and the coils become lighter, the relative rotation of the inner and outer rotating mechanisms on the feeding assembly causes the outer rotating mechanism to automatically select a new unused coil to continue feeding, reducing coil replacement time. The motor is also started, causing the drive shaft to drive the drive wheel and roller I to rotate, thereby causing roller II to rotate relative to roller I to clamp the wire. A section of wire can be reserved to ensure wire replacement without stopping the wire.

[0004] Although the rotating mechanism in the application can effectively handle complex replacement problems, during use, the feed sword and the receiving sword move from both sides of the machine towards the center of the shed. The weft yarn is first held by the feed sword and fed to the center of the shed. The two swords meet at the center of the shed, and the weft yarn is transferred from the feed sword to the receiving sword. Then the feed sword and the receiving sword retract. After long-term use, the sword heads may become smooth due to friction and wear, which reduces the friction on the weft yarn and increases the risk of yarn slippage. Therefore, we propose a high-efficiency jacquard machine pattern quick switching device. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides a high-efficiency jacquard machine with a rapid pattern switching device, thus solving the aforementioned problems.

[0006] To achieve the above-mentioned objectives, this utility model provides the following technical solution: a high-efficiency jacquard machine pattern quick-change device, comprising a support table, a jacquard machine body, support blocks, a drive block, a weft feed sword, and a weft receiving sword. The jacquard machine body is fixedly connected to the top of the support table. Two sets of support blocks are fixedly connected to the outer side of the jacquard machine body at positions corresponding to the top of the support table. A weft feed sword is inserted into the outer side of one set of support blocks, and a weft receiving sword is inserted into the outer side of the other set of support blocks. A drive block is fixedly connected to one end of both the weft feed sword and the weft receiving sword. The bottom of the drive block is fixedly connected to the top of the support table. The device also includes:

[0007] A guiding device, which is located on one side of the weft arrow, is used to guide the weft thread;

[0008] A friction-reducing device is located at one end of the weft insertion scissors and is used to clamp the weft yarn.

[0009] Preferably, one end of the weft feeding sword is wedge-shaped, a weft hole is provided on the outer side of the weft feeding sword, an auxiliary block is fixedly connected to one end of the weft feeding sword, and an auxiliary groove is provided on the top of the auxiliary block.

[0010] Preferably, one end of the weft-connecting sword is wedge-shaped, and a hook is fixedly connected to one end of the weft-connecting sword, with the hook being arranged in a "J" shape.

[0011] Preferably, a fixing block is fixedly connected to the bottom of the hook, and a first connecting post is fixedly connected to the top of the fixing block. Two sets of movable blocks are movably connected to the outer side of the first connecting post, and the two sets of movable blocks are placed vertically.

[0012] Preferably, both sets of movable blocks have connecting holes on their outer sides, and support columns are inserted into the inner walls of the connecting holes. The two ends of the support columns pass through the outer sides of the weft sword and the hook, respectively. Springs are sleeved on the outer sides of the support columns and the corresponding positions on the outer sides of the two sets of movable blocks.

[0013] Preferably, the friction reduction device includes a second connecting column and rollers, with the top of each of the two sets of movable blocks fixedly connected to the second connecting column, and rollers rotatably connected to the outer side of each of the two sets of second connecting columns.

[0014] Preferably, the guiding device includes guide blocks, one set of guide blocks is fixedly connected to one side of the hook, and one set of guide blocks is triangular, and another set of guide blocks is fixedly connected to one side of the weft-connecting sword.

[0015] Compared with the prior art, this utility model provides a high-efficiency jacquard machine with a rapid pattern switching device, which has the following beneficial effects:

[0016] 1. The pattern quick-change device of this high-efficiency jacquard machine has two sets of triangular guide blocks fixed on one side of the hook and the weft insertion scissor, respectively. During the weft insertion scissor's grasping of the weft yarn and subsequent movement, the triangular guide blocks play a key guiding role. The special shape of the triangular guide blocks can accurately change the movement direction of the weft yarn, making it easier for the weft yarn to enter the grasping range of the weft insertion scissor and improving the success rate of weft insertion. When the weft insertion scissor moves, the guide blocks continuously guide the weft yarn, ensuring that it is transmitted along the predetermined path, effectively avoiding weft yarn tangling and deviation, ensuring the normal weaving of the jacquard machine, reducing malfunctions and defects caused by weft yarn confusion, and improving production efficiency and product quality.

[0017] 2. The pattern switching device of this high-efficiency jacquard machine reduces friction by converting the sliding friction between the weft insertion sword and the weft yarn into rolling friction through rollers. This greatly reduces friction, which not only reduces wear on the weft yarn and extends its service life, lowering production costs, but also ensures the stability of the weft yarn during transmission, preventing breakage or deformation due to excessive friction, thereby improving product quality. The spring's buffering and adjustment function automatically adjusts the contact pressure between the roller and the weft yarn according to the tension of the weft yarn and the force on the weft insertion sword, further reducing friction damage to the weft yarn and ensuring stable transmission of the weft yarn under different working conditions. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 for Figure 1 A magnified view of part A in the diagram;

[0020] Figure 3 This is a partially enlarged schematic diagram of the friction reduction device of this utility model.

[0021] In the diagram: 1. Support table; 2. Jacquard machine body; 3. Support block; 4. Drive block; 5. Weft feeder; 6. Weft hole; 7. Auxiliary block; 8. Auxiliary groove; 9. Weft feeder; 10. Hook; 11. Fixing block; 12. First connecting column; 13. Movable block; 14. Support column; 15. Spring; 16. Connecting hole; 17. Second connecting column; 18. Roller; 19. Guide block. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-3 A high-efficiency jacquard machine's pattern rapid switching device includes a support table 1, a jacquard machine body 2, support blocks 3, a drive block 4, a weft feed sword 5, and a weft receiving sword 9. The jacquard machine body 2 is fixedly connected to the top of the support table 1. Two sets of support blocks 3 are fixedly connected to the outer side of the jacquard machine body 2 at positions corresponding to the top of the support table 1. The weft feed sword 5 is inserted into the outer side of one set of support blocks 3, and the weft receiving sword 9 is inserted into the outer side of the other set of support blocks 3. A drive block 4 is fixedly connected to one end of both the weft feed sword 5 and the weft receiving sword 9. The bottom of the drive block 4 is fixedly connected to the top of the support table 1. The device also includes:

[0024] A guiding device, which is located on one side of the weft arrow 9, is used to guide the weft thread;

[0025] A friction-reducing device is installed at one end of the weft insertion sword 9 to clamp the weft thread.

[0026] Furthermore, one end of the weft feed sword 5 is wedge-shaped, and a weft thread hole 6 is opened on the outer side of the weft feed sword 5. An auxiliary block 7 is fixedly connected to one end of the weft feed sword 5, and an auxiliary groove 8 is opened on the top of the auxiliary block 7. The drive block 4 serves as a power connection component, receiving power from an external power source to drive the weft feed sword 5 to move. The wedge-shaped shape of one end of the weft feed sword 5 helps to reduce resistance during the shuttle process. During the movement, the weft thread hole 6 opened on the outer side of the weft feed sword 5 is used to pass through the weft thread. The auxiliary block 7 fixedly connected to one end of the weft feed sword 5 and the auxiliary groove 8 on the top of the auxiliary block 7 can assist in positioning the weft thread during the weft feeding process, ensuring that the weft thread passes stably through the weft feed sword 5, avoiding the weft thread from deviating or getting stuck during the weft feeding process, and making the weft feeding action smoother.

[0027] Furthermore, one end of the weft-receiving sword 9 is wedge-shaped, and a hook 10 is fixedly connected to one end of the weft-receiving sword 9. The hook 10 is set in a "J" shape. The weft-receiving sword 9 grabs the weft yarn through the hook 10, the guide block 19 guides the weft yarn, the roller 18 of the friction-reducing device reduces the friction between the weft yarn and the weft-receiving sword 9, and the spring 15 plays a buffering and adjusting role to ensure smooth transmission of the weft yarn and realize the normal operation of the jacquard machine. Under the drive of the drive block 4, the weft-receiving sword 9 moves in coordination with the weft-feeding sword 5. One end of the weft-receiving sword 9 is wedge-shaped, which makes it easy to quickly and accurately reach the vicinity of the weft-feeding sword 5 during the movement. The "J"-shaped hook 10 fixedly connected to its end is used to grab the weft yarn sent by the weft-feeding sword 5. When grabbing the weft yarn, the shape design of the hook 10 can effectively hook the weft yarn and prevent the weft yarn from falling off.

[0028] Furthermore, a fixing block 11 is fixedly connected to the bottom of the hook 10, and a first connecting post 12 is fixedly connected to the top of the fixing block 11. Two sets of movable blocks 13 are movably connected to the outer side of the first connecting post 12, and the two sets of movable blocks 13 are placed vertically.

[0029] Furthermore, each of the two sets of movable blocks 13 has a connecting hole 16 on its outer side. A support column 14 is inserted into the inner wall of the connecting hole 16. The two ends of the support column 14 pass through the outer sides of the weft-connecting sword 9 and the hook 10, respectively. A spring 15 is sleeved on the outer side of the support column 14 and the corresponding position on the outer side of the two sets of movable blocks 13. At the same time, the spring 15 can buffer and adjust to a certain extent according to the tension of the weft thread and the force during the movement of the weft-connecting sword 9, so as to ensure that the roller 18 always maintains a suitable contact pressure with the weft thread, further reducing the damage to the weft thread by friction and ensuring the stability of the weft thread during the transmission process.

[0030] Furthermore, the friction reduction device includes a second connecting post 17 and a roller 18. The top of each of the two sets of movable blocks 13 is fixedly connected to the second connecting post 17, and the outer side of each of the two sets of second connecting posts 17 is rotatably connected to the roller 18. The roller 18 of the friction reduction device is connected to the movable block 13 through the second connecting post 17. The movable block 13 is movably connected to the weft-catching sword 9 and the hook 10 through the support post 14, and the outer side of the support post 14 is fitted with a spring 15. When the weft-catching sword 9 grabs the weft yarn, the roller 18 contacts the weft yarn. When the weft-catching sword 9 grabs the weft yarn, the weft yarn is guided by the guide block 19 and rolls through the roller 18, which transforms the sliding friction between the weft-catching sword 9 and the weft yarn into rolling friction, greatly reducing the friction between the two.

[0031] Furthermore, the guiding device includes guide blocks 19. One set of guide blocks 19 is fixedly connected to one side of the hook 10, and one set of guide blocks 19 is triangular. Another set of guide blocks 19 is fixedly connected to one side of the weft scissor 9. The two sets of guide blocks 19 of the guiding device are fixed to one side of the hook 10 and the weft scissor 9, respectively. The guide blocks 19 are triangular. During the weft scissor 9 grabbing the weft yarn and subsequent movement, the guide blocks 19 play a guiding role for the weft yarn. The special shape of the triangular guide blocks 19 can change the movement direction of the weft yarn, so that it can enter the grabbing range of the weft scissor 9 more accurately. At the same time, during the movement of the weft scissor 9, it continuously guides the weft yarn to ensure that the weft yarn is transmitted along the predetermined path, avoids problems such as weft yarn entanglement and deviation, and ensures the normal weaving of the jacquard machine.

[0032] Structural Description:

[0033] 1. Support Table: The support table is the base of the entire high-efficiency jacquard machine's quick pattern switching device, providing a stable working platform. The top of the support table is designed with a fixing structure to securely connect to the main body of the jacquard machine, ensuring the stability and reliability of the entire device during operation.

[0034] 2. Jacquard machine body: The jacquard machine body is the core component of the device, responsible for performing the weaving function of the jacquard machine. It is installed on the top of the support table and is tightly connected to the support table through a fixed structure. The design of the jacquard machine body takes into account the needs of efficient, precise and stable weaving, and is the key to achieving rapid pattern switching.

[0035] 3. Support block: The support block is an important component connecting the weft feed sword and the weft receiving sword. They are fixed on the top of the support table and matched with the corresponding positions on the outside of the jacquard machine body. The design of the support block allows the weft feed sword and the weft receiving sword to slide or insert on it, ensuring their correct position and stable movement.

[0036] 4. Drive block: As a power connection component, the drive block receives power from an external power source and drives the weft feeder and weft receiver to move in coordination. They are fixed at one end of the weft feeder and weft receiver respectively, and their bottoms are fixedly connected to the top of the support table, ensuring stable power transmission and accurate movement.

[0037] 5. Weft feeder: The weft feeder is responsible for delivering the weft yarn to the designated position. One end of it is wedge-shaped to reduce resistance during the shuttle process. The outer side of the weft feeder has a weft yarn hole for the weft yarn to pass through. At the same time, an auxiliary block is fixed to one end of the weft feeder. The top of the auxiliary block has an auxiliary groove to help position the weft yarn during the weft feeding process and ensure that the weft yarn passes through the weft feeder stably.

[0038] 6. Weft hole: The weft hole is a key structure on the weft feed scissors, used to pass the weft yarn through. Its position and size are precisely designed to ensure that the weft yarn can pass smoothly through the weft feed scissors and maintain the correct position during weaving.

[0039] 7. Auxiliary block: The auxiliary block is fixed at one end of the weft feeding scissors, and the auxiliary groove on its top is used to assist in positioning the weft thread during the weft feeding process.

[0040] 8. Auxiliary groove: The special shape design of the auxiliary groove can ensure that the weft yarn remains stable during the weft feeding process and avoid deviation or jamming.

[0041] 9. Weft-catching sword: The weft-catching sword is responsible for grabbing the weft thread sent by the weft-feeding sword and bringing it to the designated weaving position. One end of it is also wedge-shaped to facilitate quick and accurate arrival near the weft-feeding sword. One end of the weft-catching sword is fixed with a hook for grabbing the weft thread.

[0042] 10. Hook: The hook is set in a "J" shape and is a key component on the weft insertion sword. Its shape design can effectively hook the weft thread and prevent it from falling off. The bottom of the hook is fixed with a fixed block, which is connected to the movable block through the first connecting post, realizing the clamping and transmission of the weft thread.

[0043] 11. Fixing Block: The fixing block is fixed to the bottom of the hook and is used to connect the first connecting post. It provides a foundation for connecting subsequent movable blocks and other components and is the basic structure for connecting other components.

[0044] 12. First connecting post: The top of the first connecting post is fixedly connected to the fixed block, and the outer side is movably connected to two sets of movable blocks. It is the key component connecting the fixed block and the movable block, so that the movable block can move on its outer side.

[0045] 13. Movable Blocks: Movable blocks are an important component of the friction-reducing device. They are connected to the fixed blocks via the first connecting post and are movably connected to the weft insertion dart and hook via the support post. The design of the movable blocks allows the rollers to roll on the weft thread, converting sliding friction into rolling friction and reducing frictional force.

[0046] 14. Support Column: The support column is a key component connecting the movable block, weft insertion scissors, and hooks. It passes through the connecting hole of the movable block and is fixedly connected to the weft insertion scissors and hooks. The design of the support column ensures the stable movement of the movable block and rollers.

[0047] 15. Springs: Springs are sleeved on the outside of the support column, corresponding to the movable block. They play a buffering and adjusting role, automatically adjusting the contact pressure between the roller and the weft yarn according to the tension of the weft yarn and the force during the movement of the weft arrow, further reducing friction damage to the weft yarn.

[0048] 16. Connection Holes: Connection holes are located on the outside of the movable block and are used to insert support columns. Their precise positioning and dimensions ensure a stable connection between the movable block and the support columns.

[0049] 17. Second connecting post: The second connecting post is fixed to the top of the movable block and is used to connect the roller. Their design allows the roller to roll freely on the weft line, realizing the purpose of converting sliding friction into rolling friction.

[0050] 18. Rollers: Rollers are the core component of the friction-reducing device. They are connected to the movable block via a second connecting post and roll along the weft thread. The roller design significantly reduces the friction between the weft arrow and the weft thread, minimizing wear and breakage risks.

[0051] 19. Guide Blocks: The guide blocks are fixed on one side of the hook and the weft-catching sword to guide the weft. They are triangular in design and can precisely change the direction of movement of the weft, making it easier for the weft to enter the grasping range of the weft-catching sword. At the same time, the guide blocks continuously guide the weft during the movement of the weft-catching sword, ensuring that the weft is transmitted along the predetermined path.

[0052] Working principle:

[0053] When the jacquard machine is working, the drive block 4 drives the weft feeding sword 5 and the weft receiving sword 9 to move in coordination. The weft feeding sword 5 feeds the weft yarn through the weft yarn hole 6 and sends it out. The auxiliary block 7 and the auxiliary groove 8 play an auxiliary role. The weft receiving sword 9 grabs the weft yarn through the hook 10, the guide block 19 guides the weft yarn, the roller 18 of the friction reduction device reduces the friction between the weft yarn and the weft receiving sword 9, and the spring 15 plays a buffering and adjusting role to ensure the smooth transmission of the weft yarn and realize the normal operation of the jacquard machine.

[0054] Working of the weft feeder 5: The drive block 4, as a power connection component, receives power from an external power source and drives the weft feeder 5 to move. One end of the weft feeder 5 is wedge-shaped to reduce resistance during the shuttle process. During the movement, the weft hole 6 on the outside of the weft feeder 5 is used to pass the weft thread. The auxiliary block 7 and the auxiliary groove 8 on the top of the auxiliary block 7 are fixedly connected to one end of the weft feeder 5. They can help position the weft thread during the weft feeding process, ensuring that the weft thread passes through the weft feeder 5 stably and avoiding the weft thread from deviating or getting stuck during the weft feeding process, making the weft feeding action smoother.

[0055] Weft receiving sword 9 grabs weft yarn: Driven by the drive block 4, the weft receiving sword 9 moves in coordination with the weft sending sword 5. One end of the weft receiving sword 9 is wedge-shaped, which makes it easy to quickly and accurately reach the vicinity of the weft sending sword 5 during the movement. The "J"-shaped hook 10 fixedly connected to its end is used to grab the weft yarn sent by the weft sending sword 5. When grabbing the weft yarn, the shape design of the hook 10 can effectively hook the weft yarn and prevent the weft yarn from falling off.

[0056] The guiding device guides the weft yarn: The two sets of guide blocks 19 of the guiding device are fixed on one side of the hook 10 and the weft receiving sword 9 respectively. The guide block 19 is triangular. During the process of the weft receiving sword 9 grabbing the weft yarn and subsequent movement, the guide block 19 plays a guiding role for the weft yarn. The special shape of the triangular guide block 19 can change the movement direction of the weft yarn, so that it enters the grabbing range of the weft receiving sword 9 more accurately. At the same time, during the movement of the weft receiving sword 9, it continuously guides the weft yarn to ensure that the weft yarn is transmitted along the predetermined path, avoids problems such as weft yarn entanglement and deviation, and ensures the normal weaving of the jacquard machine.

[0057] Friction reduction device reduces resistance: The roller 18 of the friction reduction device is connected to the movable block 13 through the second connecting column 17. The movable block 13 is movably connected to the weft-catching sword 9 and the hook 10 through the support column 14. The support column 14 is sleeved with a spring 15. When the weft-catching sword 9 grabs the weft yarn, the roller 18 contacts the weft yarn. When the weft-catching sword 9 grabs the weft yarn, the weft yarn, guided by the guide block 19, rolls through the roller 18, changing the sliding friction between the weft-catching sword 9 and the weft yarn into rolling friction, which greatly reduces the friction between the two. At the same time, the spring 15 can buffer and adjust to a certain extent according to the tension of the weft yarn and the force during the movement of the weft-catching sword 9, ensuring that the roller 18 always maintains a suitable contact pressure with the weft yarn, further reducing friction damage to the weft yarn and ensuring the stability of the weft yarn during transmission.

[0058] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency jacquard machine with a rapid pattern switching device, comprising a support table (1), a jacquard machine body (2), support blocks (3), a drive block (4), a weft feeder (5), and a weft receiver (9), wherein the top of the support table (1) is fixedly connected to the jacquard machine body (2), and two sets of support blocks (3) are fixedly connected to the outer side of the jacquard machine body (2) at positions corresponding to the top of the support table (1), wherein a weft feeder (5) is inserted into the outer side of one set of support blocks (3), and a weft receiver (9) is inserted into the outer side of the other set of support blocks (3), and a drive block (4) is fixedly connected to one end of both the weft feeder (5) and the weft receiver (9), wherein the bottom of the drive block (4) is fixedly connected to the top of the support table (1), characterized in that: Also includes: A guiding device, which is located on one side of the weft arrow (9), is used to guide the weft thread; A friction reduction device is provided at one end of the weft insertion sword (9) to clamp the weft thread.

2. The pattern quick switching device for a high-efficiency jacquard machine according to claim 1, characterized in that: One end of the weft feeding sword (5) is wedge-shaped, and a weft hole (6) is provided on the outer side of the weft feeding sword (5). An auxiliary block (7) is fixedly connected to one end of the weft feeding sword (5), and an auxiliary groove (8) is provided on the top of the auxiliary block (7).

3. The pattern quick switching device for a high-efficiency jacquard machine according to claim 1, characterized in that: One end of the weft-connecting sword (9) is wedge-shaped, and a hook (10) is fixedly connected to one end of the weft-connecting sword (9), and the hook (10) is set in a "J" shape.

4. The pattern quick switching device for a high-efficiency jacquard machine according to claim 3, characterized in that: The bottom of the hook (10) is fixedly connected to a fixing block (11), and the top of the fixing block (11) is fixedly connected to a first connecting post (12). The outer side of the first connecting post (12) is movably connected to two sets of movable blocks (13), and the two sets of movable blocks (13) are placed vertically.

5. The pattern quick switching device for a high-efficiency jacquard machine according to claim 4, characterized in that: Both sets of movable blocks (13) have connecting holes (16) on their outer sides. A support column (14) is inserted into the inner wall of the connecting hole (16). The two ends of the support column (14) pass through the outer sides of the connecting sword (9) and the hook (10), respectively. A spring (15) is sleeved on the outer side of the support column (14) and the corresponding position on the outer side of the two sets of movable blocks (13).

6. The pattern quick switching device for a high-efficiency jacquard machine according to claim 5, characterized in that: The friction reduction device includes a second connecting column (17) and a roller (18). The top of both sets of movable blocks (13) is fixedly connected to the second connecting column (17), and the outer side of both sets of the second connecting column (17) is rotatably connected to the roller (18).

7. The pattern quick switching device for a high-efficiency jacquard machine according to claim 5, characterized in that: The guiding device includes guide blocks (19), one set of guide blocks (19) is fixedly connected to one side of the hook (10), and one set of guide blocks (19) is triangular, and another set of guide blocks (19) is fixedly connected to one side of the weft-connecting sword (9).

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