A high-efficiency double-shuttle needle weaving device for textile machines

Abstract

This invention relates to the field of textile equipment, specifically to a high-efficiency double-shuttle weaving device for a textile machine, comprising a weft insertion assembly, a first mounting frame, a weft insertion device, a yarn clamping device, and a drive device. Two sets of weft insertion assemblies are mounted on the first mounting frame. Each set includes a weft insertion device for inserting the weft, a yarn clamping device for clamping the weft yarn, and a drive device for providing power. The drive device has an output end that moves horizontally. The two sets of weft insertion assemblies alternately insert the weft, allowing sufficient time for unwinding the weft yarn onto the bobbin. This increases weaving speed while reducing the number of weft yarn breaks. The two sets of weft insertion assemblies can connect to yarns of different colors, enabling the loom to produce two-color fabrics and increasing the variety of fabrics woven. The two sets of weft insertion assemblies can simultaneously draw out two weft yarns for producing double-weft fabrics. The yarn clamping device prevents the weft yarn from falling off during the entire weft insertion process.

Description

Technical Field

[0001] This invention relates to the field of textile equipment, specifically to a double-shuttle needle high-efficiency weaving device for a textile machine. Background Technology

[0002] The loom is a common name for a loom. The earliest loom was a floor loom (called a waist loom). It was operated by stepping on the warp rollers with one's feet, holding a weft-beating knife in the right hand to tighten the weft threads, and using the left hand to guide the weft threads. This foot-operated waist loom had no frame; one end of the fabric roll was tied to the waist, and the feet pressed against the other end of the warp roller to tension the fabric. The warp yarns were divided into two layers according to odd and even numbers using a warp divider, and the warp yarns were lifted by a heald rod to form the shed. Weft was guided in using a bobbin and beaten in with a weft-beating knife. The most important achievement of the waist loom was the adoption of these three components: the heald rod, the warp divider, and the weft-beating knife. Although this loom seemed simple, it already possessed three-directional movement: opening the shed vertically, guiding the weft horizontally, and tightening the weft threads forward and backward. It is the ancestor of the modern loom.

[0003] The utility model patent CN210561013U in my country, entitled "A weft insertion mechanism for a loom," discloses a weft insertion mechanism for a loom that can only insert one weft yarn at a time. The speed of each weft insertion is also limited by the yarn properties. The speed at which the weft yarn exits from the bobbin is limited. Although a weft feeder continuously stores yarn, reducing the number of yarn breaks and speeding up the weft insertion, the speed is still limited by the yarn properties and cannot be increased further. Otherwise, yarn breaks are likely to occur, affecting the weaving speed and the quality of the fabric. Summary of the Invention

[0004] Therefore, it is necessary to provide a high-efficiency double-shuttle needle weaving device for textile machines to address the problems of existing technologies.

[0005] To address the problems of existing technologies, the technical solution adopted in this invention is: a high-efficiency double-shuttle needle weaving device for textile machines, comprising: The first mounting bracket is fixedly set on the ground; There are two weft insertion assemblies, both of which are mounted on the first mounting frame. The two weft insertion assemblies are symmetrically distributed. Each weft insertion assembly includes a weft insertion device, a yarn clamping device for clamping the weft yarn, and a drive device for providing power. The drive device has an output end that moves in a horizontal direction. The weft insertion device is fixedly mounted on the output end of the drive device, and the yarn clamping device is fixedly mounted on the weft insertion device.

[0006] Furthermore, the driving device includes: The first cylinder liner is in a horizontal position and is positioned away from the other set of drive units. The first cylinder liner is fixedly mounted on the first mounting bracket by the second mounting bracket. The first piston is cylindrical and is coaxially arranged with the first cylinder liner. The first piston slides into the first cylinder liner. The first sealing rings are in a certain number, and the first sealing rings are all sleeved on the first piston. The first sealing rings are equally spaced along the axial direction of the first piston, and the first piston has a first annular groove formed on it for the first sealing rings to be accommodated. The first cylinder head is fixedly mounted on one end of the first cylinder liner; The first hydraulic cylinder is in a horizontal position, and its length direction is the same as the axis direction of the first cylinder liner. The first hydraulic cylinder is fixedly mounted on the first mounting bracket by the third mounting bracket. The first hydraulic cylinder and the first cylinder head are located on the same side of the first cylinder liner. The output end of the first hydraulic cylinder passes through the first cylinder head and is fixedly connected to the first piston. The first cylinder head has a first circular through hole formed for the output end of the first hydraulic cylinder to pass through. A connecting pipe, one end of which is fixedly connected to the end of the first cylinder liner away from the first cylinder head; The output mechanism is horizontal and is fixedly mounted on the first mounting bracket. The output mechanism is connected to the other end of the connecting pipe.

[0007] Furthermore, the output mechanism includes: The second cylinder liner is in a horizontal position and is fixedly mounted on the first mounting bracket. The axis of the second cylinder liner is parallel to the axis of the first cylinder liner. The second cylinder liner is located above the first cylinder liner and is located on the side of the first cylinder liner closer to another set of weft insertion components. The length of the second cylinder liner is greater than the length of the first cylinder liner, and the diameter of the second cylinder liner is smaller than the diameter of the first cylinder liner. One end of the second cylinder liner is fixedly connected to the free end of the connecting pipe. The second piston is cylindrical and is coaxially arranged with the second cylinder liner. The second piston slides into the second cylinder liner. The second sealing rings are in number, and all of them are fitted on the second piston. The second sealing rings are evenly spaced along the axial direction of the second piston. The second piston has a second annular groove formed on it for the second sealing rings to be accommodated. The second cylinder head is fixedly mounted on the end of the second cylinder liner away from the connecting pipe; A connecting rod is coaxially arranged with the second cylinder liner. The end of the connecting rod passes through the second cylinder head and is fixedly connected to the second piston. The second cylinder head has a second circular through hole for the connecting rod to pass through. The connecting rod is the output end of the aforementioned drive device.

[0008] Furthermore, the weft insertion device includes: The connector is horizontal, and its length direction is consistent with the length direction of the connecting rod. The connector is fixedly installed on the end of the connecting rod. The first yarn guide is fixedly mounted on the upper end of the connector; There are two second yarn guides, which are spaced apart vertically. Both second yarn guides are fixedly mounted on the connector and are positioned away from the connecting rod.

[0009] Furthermore, a second through groove is formed on the second piston, and the second through groove is coaxially arranged with the second piston. A connecting channel is formed on the connecting rod, one end of which is connected to the second through groove, and the other end of which is located outside the second cylinder head. A third sealing ring is provided between the second piston and the connecting rod, and a circular groove is formed on the second piston for the third sealing ring to be accommodated.

[0010] Furthermore, the yarn clamping device includes: The second hydraulic cylinder is in a horizontal position. The second hydraulic cylinder is fixedly mounted on the connector by the fourth mounting bracket. The second hydraulic cylinder is located on the side of the connector away from the first yarn guide. The output end of the second hydraulic cylinder is horizontally facing the second cylinder sleeve. The connecting hose is fixedly connected at both ends to the second hydraulic cylinder and the other end of the connecting channel, respectively. The sliding arm is in a horizontal position, and its length direction is consistent with that of the connecting piece. The end of the sliding arm near the second cylinder liner is fixedly connected to the output end of the second hydraulic cylinder. A slide block is fixedly mounted on the side of the second connector away from the first yarn guide. The slide arm slides through the slide block. The slide block is located on the side of the second hydraulic cylinder away from the second cylinder sleeve. A rectangular through groove is formed on the slide block for the slide arm to pass through. The first clamp is in a horizontal position and is fixedly mounted on the end of the connector away from the second cylinder liner. The first clamp is located between the two second yarn guides. The second clamp is in a horizontal position. The middle part of the second clamp is hinged to the middle part of the first clamp by a rivet. The end of the second clamp near the connector is slidably connected to the sliding arm.

[0011] Furthermore, the second clamp is slidably connected to the sliding arm via a guide bolt. A connecting part is formed on the end of the sliding arm away from the second cylinder liner, and a strip-shaped groove is formed on the end of the second clamp near the connecting part. The guide bolt is in a vertical state, and the lower end of the guide bolt passes through the strip-shaped groove and is screwed and fixed to the connecting part.

[0012] Furthermore, the first clamp has a first anti-slip texture formed on its vertical sidewall away from the connector and close to the second clamp, and the second clamp has a second anti-slip texture formed on its sidewall that matches the first anti-slip texture.

[0013] Furthermore, the second cylinder liner is fixedly mounted on the first mounting bracket by two fifth mounting brackets, with the two fifth mounting brackets spaced apart along the length of the second cylinder liner.

[0014] Furthermore, a fourth sealing ring is fixedly provided between the end of the connecting pipe and the end of the first cylinder liner, and a fifth seal is provided between the end of the connecting pipe and the end of the second cylinder liner.

[0015] The beneficial effects of this invention compared with the prior art are: firstly, the two sets of weft insertion components alternately insert the weft, which can provide sufficient time to unwind the weft yarn on the same yarn package, thereby increasing the weaving speed and reducing the number of weft yarn breaks. Secondly, the two sets of weft insertion components can be connected to different colored local yarns respectively, enabling the loom to produce two-color fabrics and increasing the variety of fabrics woven by the loom; Third, the two sets of weft insertion components can simultaneously pull out two weft yarns for manufacturing double-weft fabrics; Fourth, the yarn clamping device can prevent the weft yarn from falling off during the entire weft insertion process. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of an embodiment; Figure 2 This is a top view of the driving device in the embodiment; Figure 3 This is an example. Figure 2 A cross-sectional view from the perspective of the center AA; Figure 4 This is an example. Figure 3 Enlarged diagram of point A in the middle Figure 5 This is an example. Figure 2 A cross-sectional view from the perspective of the middle BB line; Figure 6 This is an example. Figure 5 Enlarged schematic diagram of the valve at point B; Figure 7 This is an example. Figure 5 Enlarged view of point C in the middle; Figure 8 This is a three-dimensional structural diagram of the device in the embodiment; Figure 9 This is a three-dimensional structural schematic diagram of the clamping device in the embodiment; Figure 10 This is a three-dimensional structural diagram of the second clamp in the embodiment; Figure 11 This is a three-dimensional structural diagram of the slide in the embodiment.

[0017] The numbers in the diagram are as follows: 1-First mounting frame; 2-Weft insertion assembly; 3-Weft insertion device; 4-Yarn clamping device; 5-Drive device; 6-First cylinder liner; 7-Second mounting frame; 8-First piston; 9-First sealing ring; 10-First annular groove; 11-First cylinder head; 12-First hydraulic cylinder; 13-Warp yarn; 14-Third mounting frame; 15-First circular through hole; 16-Connecting pipe; 17-Output mechanism; 18-Second cylinder liner; 19-Second piston; 20-Second sealing ring; 21-Second annular groove; 22-Second cylinder head; 23-Connecting rod; 24-Second circular through hole; 25-Connector; 26-First yarn guide; 27-Second yarn guide; 28-Second through groove; 29-Connecting channel; 30-Third sealing ring; 31-Circular groove; 32-Second hydraulic cylinder; 33-Fourth mounting bracket; 34-Connecting hose; 35-Sliding arm; 36-Sliding seat; 37-Rectangular through groove; 38-First clamp; 39-Second clamp; 40-Rivet; 41-Guide bolt; 42-Connecting part; 43-Strip groove; 44-First anti-slip texture; 45-Second anti-slip texture; 46-Fifth mounting bracket; 47-Fourth sealing ring; 48-Fifth sealing ring; 49-Steel buckle. Implementation

[0018] To further understand the features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0019] refer to Figures 1 to 11 As shown, a high-efficiency double-shuttle weaving device for a textile machine includes: The first mounting bracket 1 is fixedly set on the ground; There are two weft insertion components 2. Both sets of weft insertion components 2 are set on the first mounting frame 1. The two sets of weft insertion components 2 are symmetrically distributed. Each set of weft insertion components 2 includes a weft insertion device 3 for inserting the weft, a yarn clamping device 4 for clamping the weft yarn, and a drive device 5 for providing power. The drive device 5 has an output end that moves in a horizontal direction. The weft insertion device 3 is fixedly set on the output end of the drive device 5, and the yarn clamping device 4 is fixedly set on the weft insertion device 3.

[0020] When weft insertion is required, the warp yarn 13 is lifted by the heald frame, and the warp yarn 13 is divided into upper and lower layers to form a weft opening. The drive device 5 is activated, driving the weft insertion device 3 to move towards the weft opening and pass through the weft opening. The yarn clamping device 4 can clamp the end of the weft yarn during the weft insertion process, so that the weft yarn can pass smoothly through the weft opening and reach the other end of the weft opening. At this time, the drive device 5 drives the weft insertion device 3 to return to its original position, and the yarn clamping device 4 releases the weft yarn, so that the weft insertion device 3 and the yarn clamping device 4 can smoothly return to their original positions. After one set of weft insertion components 2 finishes weft insertion, another set of weft insertion components 2 begins weft insertion. During the weft insertion process of the other set of weft insertion components 2, the weft storage device connected to the weft insertion component 2 that has just finished the weft insertion action has sufficient time to store the weft yarn on the bobbin into the weft storage device. The weft storage device is existing technology and is not shown in the figure.

[0021] The driving device 5 includes: The first cylinder liner 6 is in a horizontal position and is set away from the other set of drive devices 5. The first cylinder liner 6 is fixedly mounted on the first mounting bracket 1 by the second mounting bracket 7. The first piston 8 is cylindrical and is coaxially arranged with the first cylinder liner 6. The first piston 8 is slidably inserted into the first cylinder liner 6. The first sealing ring 9 is a plurality of them, and the plurality of first sealing rings 9 are all sleeved on the first piston 8. The plurality of first sealing rings 9 are equally spaced along the axial direction of the first piston 8. The first piston 8 is formed with a first annular groove 10 for the first sealing rings 9 to be accommodated. The first cylinder head 11 is fixedly mounted on one end of the first cylinder liner 6; The first hydraulic cylinder 12 is in a horizontal state, and its length direction is the same as the axis direction of the first cylinder liner 6. The first hydraulic cylinder 12 is fixedly mounted on the first mounting bracket 1 by the third mounting bracket 14. The first hydraulic cylinder 12 and the first cylinder head 11 are located on the same side of the first cylinder liner 6. The output end of the first hydraulic cylinder 12 passes through the first cylinder head 11 and is fixedly connected to the first piston 8. The first cylinder head 11 has a first circular through hole 15 formed on it for the output end of the first hydraulic cylinder 12 to pass through. One end of the connecting pipe 16 is fixedly connected to the end of the first cylinder liner 6 that is away from the first cylinder head 11; The output mechanism 17 is in a horizontal position and is fixedly mounted on the first mounting bracket 1. The output mechanism 17 is connected to the other end of the connecting pipe 16.

[0022] When the weft insertion assembly 2 inserts the weft, the output end of the first hydraulic cylinder 12 moves toward the connecting pipe 16, driving the first piston 8 to move toward the connecting pipe 16. The first cylinder liner 6 is filled with hydraulic oil, and the first sealing ring 9 can increase the sealing between the first piston 8 and the inside of the first cylinder liner 6. The hydraulic oil is squeezed by the first piston 8 and transmitted to the output mechanism 17 through the connecting pipe 16. At the same time, the yarn clamping device 4 clamps the weft yarn, and the output end of the output mechanism 17 drives the weft insertion device 3 to pass through the weaving opening, smoothly guiding the weft yarn to the other end of the weaving opening.

[0023] When the weft insertion device 3 needs to return to its original position, the output end of the first hydraulic cylinder 12 moves away from the connecting pipe 16, causing the first piston 8 to move away from the connecting pipe 16. A negative pressure is generated instantaneously in the first cylinder liner 6, and the hydraulic oil flows back into the first cylinder liner 6 through the connecting pipe 16. At the same time, the yarn clamping device 4 releases the weft yarn, and the output end of the output mechanism 17 drives the weft insertion device 3 to return to its original position.

[0024] The output mechanism 17 includes: The second cylinder liner 18 is in a horizontal state and is fixedly mounted on the first mounting bracket 1. The axis of the second cylinder liner 18 is parallel to the axis of the first cylinder liner 6. The second cylinder liner 18 is located above the first cylinder liner 6 and is located on the side of the first cylinder liner 6 closer to another set of weft insertion components 2. The length of the second cylinder liner 18 is greater than the length of the first cylinder liner 6, and the diameter of the second cylinder liner 18 is smaller than the diameter of the first cylinder liner 6. One end of the second cylinder liner 18 is fixedly connected to the free end of the connecting pipe 16. The second piston 19 is cylindrical and is coaxially arranged with the second cylinder liner 18. The second piston 19 is slidably inserted into the second cylinder liner 18. The number of second sealing rings 20 is several. The several second sealing rings 20 are all sleeved on the second piston 19. The several second sealing rings 20 are equally spaced along the axial direction of the second piston 19. The second piston 19 is formed with a second annular groove 21 for accommodating the second sealing rings 20. The second cylinder head 22 is fixedly mounted on the end of the second cylinder liner 18 away from the connecting pipe 16; The connecting rod 23 is coaxially arranged with the second cylinder liner 18. The end of the connecting rod 23 passes through the second cylinder head 22 and is fixedly connected to the second piston 19. The second cylinder head 22 has a second circular through hole 24 for the connecting rod 23 to pass through. The connecting rod 23 is the output end of the aforementioned drive device 5.

[0025] When the weft insertion assembly 2 inserts the weft, the output end of the first hydraulic cylinder 12 moves toward the connecting pipe 16, and the hydraulic oil is squeezed into the second cylinder liner 18 through the connecting pipe 16. The increase in hydraulic oil in the second cylinder liner 18 pushes the second piston 19 to move away from the connecting pipe 16. The second sealing ring 20 can increase the sealing between the second piston 19 and the inner wall of the second cylinder liner 18. The second piston 19 drives the connecting rod 23 to move away from the connecting pipe 16. That is, the connecting rod 23 drives the weft insertion device 3 and the yarn clamping device 4 through the weft opening, and smoothly introduces the weft yarn into the weft opening.

[0026] When the weft insertion device 3 needs to return to its original position, the output end of the first hydraulic cylinder 12 moves away from the connecting pipe 16, and the hydraulic oil flows into the first cylinder liner 6 through the connecting pipe 16. The hydraulic oil in the second cylinder liner 18 decreases, forcing the second piston 19 to move closer to the connecting pipe 16. The second piston 19 drives the connecting rod 23 to move closer to the connecting pipe 16. That is, the connecting rod 23 drives the weft insertion device 3 and the yarn clamping device 4 away from the weaving point, and the weft insertion assembly 2 returns to its original position.

[0027] Because the length of the second cylinder liner 18 is greater than the length of the first cylinder liner 6, and the diameter of the second cylinder liner 18 is smaller than the diameter of the first cylinder liner 6, the first piston 8 only needs to move a certain distance, while the distance that the second piston 19 moves is much greater than the distance that the first piston 8 moves, thus enabling the weft insertion process to be completed quickly.

[0028] The weft insertion device 3 includes: The connector 25 is horizontal, and its length direction is consistent with the length direction of the connecting rod 23. The connector 25 is fixedly installed on the end of the connecting rod 23. The first yarn guide 26 is fixedly mounted on the upper end of the connector 25; There are two second yarn guides 27, which are spaced apart in the vertical direction. Both second yarn guides 27 are fixedly mounted on the connector 25, and both yarn guides are located away from the connecting rod 23.

[0029] When the weft insertion assembly 2 inserts the weft, the output end of the first hydraulic cylinder 12 moves toward the connecting pipe 16. When the connecting rod 23 passes through the weaving opening, the connecting rod 23 drives the connecting piece 25 to pass through the weaving opening. The connecting piece 25 drives the first yarn guide 26 and the second yarn guide 27 to pass through the weaving opening. The first yarn guide 26 and the second yarn guide 27 are threaded with weft yarn. During the process of introducing the weft yarn into the weaving opening, the yarn clamping device 4 clamps the weft yarn between the two second yarn guides 27, so that the weft yarn can be smoothly introduced into the weaving opening.

[0030] When the weft insertion device 3 needs to return to its original position, the output end of the first hydraulic cylinder 12 moves away from the connecting pipe 16. When the connecting rod 23 leaves the weft opening, the connecting rod 23 drives the connecting piece 25 to leave the weft opening. The yarn clamping device 4 releases the weft yarn. During the process of the first yarn guide 26 and the second yarn guide 27 returning to their original positions, the first yarn guide 26 and the second yarn guide 27 slide on the weft yarn, thereby leaving the weft opening and resetting to their original positions.

[0031] The second piston 19 has a second through groove 28 formed on it, and the second through groove 28 is coaxially arranged with the second piston 19. The connecting rod 23 has a connecting channel 29 formed on it, one end of the connecting channel 29 is connected to the second through groove 28, and the other end of the connecting channel 29 is located outside the second cylinder head 22. A third sealing ring 30 is provided between the second piston 19 and the connecting rod 23. A circular groove 31 is formed on the second piston 19 for the third sealing ring 30 to be accommodated.

[0032] The second through groove 28 and the connecting channel 29 transmit the pressure change generated by the hydraulic oil in the second cylinder liner 18 to the yarn clamping device 4, so that the yarn clamping device 4 can cooperate to complete the weft insertion process. The hydraulic oil is connected to the yarn clamping device 4 through the second through groove 28 and the connecting through groove. The third sealing ring 30 can ensure that the hydraulic oil will not flow out from between the connecting rod 23 and the second piston 19.

[0033] The yarn clamping device 4 includes: The second hydraulic cylinder 32 is in a horizontal state. The second hydraulic cylinder 32 is fixedly mounted on the connector 25 by the fourth mounting bracket 33. The second hydraulic cylinder 32 is located on the side of the connector 25 away from the first yarn guide 26. The output end of the second hydraulic cylinder 32 is horizontally facing the second cylinder sleeve 18. The connecting hose 34 is fixedly connected at both ends to the second hydraulic cylinder 32 and the other end of the connecting channel 29, respectively. The sliding arm 35 is in a horizontal state. The length direction of the sliding arm 35 is consistent with the length direction of the connecting piece 25. The end of the sliding arm 35 near the second cylinder liner 18 is fixedly connected to the output end of the second hydraulic cylinder 32. The slide block 36 is fixedly disposed on the side of the second connector 25 away from the first yarn guide 26. The slide arm 35 slides through the slide block 36. The slide block 36 is located on the side of the second hydraulic cylinder 32 away from the second cylinder sleeve 18. A rectangular through groove 37 for the slide arm 35 to pass through is formed on the slide block 36. The first clamp 38 is in a horizontal position and is fixedly mounted on the end of the connector 25 away from the second cylinder liner 18. The first clamp 38 is located between the two second yarn guides 27. The second clamp 39 is in a horizontal position. The middle part of the second clamp 39 is hinged to the middle part of the first clamp 38 by rivets 40. The end of the second clamp 39 near the connector 25 is slidably connected to the sliding arm 35.

[0034] When the weft insertion assembly 2 inserts the weft, the output end of the first hydraulic cylinder 12 moves toward the connecting pipe 16, and the second cylinder sleeve 18 is under positive pressure. The hydraulic oil transmits the positive pressure to the second hydraulic cylinder 32 through the second through groove 28 and the connecting channel 29, causing the output end of the second hydraulic cylinder 32 to move toward the second cylinder sleeve 18, which drives the sliding arm 35 to move toward the second cylinder sleeve 18 on the sliding seat 36. The other end of the sliding arm 35 drives the end of the second clamp 39 to move toward the second cylinder sleeve 18. The second clamp 39 rotates around the rivet 40, and the first clamp 38 and the second clamp 39 come together to clamp the weft yarn.

[0035] When the weft insertion device 3 needs to return to its original position, the output end of the first hydraulic cylinder 12 moves away from the connecting pipe 16, the second cylinder sleeve 18 is under negative pressure, and the hydraulic oil transmits pressure to the second hydraulic cylinder 32 through the second through groove 28 and the connecting channel 29, so that the output end of the second hydraulic cylinder 32 moves away from the second cylinder sleeve 18, driving the sliding arm 35 to move away from the second cylinder sleeve 18 on the sliding seat 36. The other end of the sliding arm 35 drives the end of the second clamp 39 to move away from the second cylinder sleeve 18. The second clamp 39 rotates around the rivet 40, and the first clamp 38 separates from the second clamp 39, thereby releasing the weft yarn.

[0036] The second clamp 39 is slidably connected to the sliding arm 35 via the guide bolt 41. A connecting part 42 is formed on the end of the sliding arm 35 away from the second cylinder liner 18. A strip-shaped groove 43 is formed on the end of the second clamp 39 near the connector 25. The guide bolt 41 is in a vertical state, and the lower end of the guide bolt 41 passes through the strip-shaped groove 43 and is screwed and fixed to the connecting part 42.

[0037] When the yarn clamping device 4 needs to clamp the weft yarn, the sliding arm 35 moves on the sliding seat 36 toward the direction of the second cylinder sleeve 18, and drives the guide bolt 41 to move toward the direction of the second cylinder sleeve 18 through the connecting part 42. The guide bolt 41 slides in the strip groove 43, which drives the end of the second clamp 39 to move toward the direction of the second cylinder sleeve 18. The second clamp 39 rotates around the rivet 40, and the first clamp 38 and the second clamp 39 are joined together, thereby clamping the weft yarn.

[0038] When the weft insertion device 3 needs to return to its original position, the sliding arm 35 moves away from the second cylinder sleeve 18 on the sliding seat 36, and drives the guide bolt 41 to move away from the second cylinder sleeve 18 through the connecting part 42. The guide bolt 41 slides in the strip groove 43, which drives the end of the second clamp 39 to move away from the second cylinder sleeve 18. The second clamp 39 rotates around the rivet 40, and the first clamp 38 separates from the second clamp 39, thereby releasing the weft yarn.

[0039] The first clamp 38 has a first anti-slip texture 44 formed on its vertical sidewall away from the connector 25 and close to the second clamp 39, and the second clamp 39 has a second anti-slip texture 45 formed on its sidewall that matches the first anti-slip texture 44.

[0040] The first anti-slip pattern 44 and the second anti-slip pattern 45 enable the first clamp 38 and the second clamp 39 to firmly clamp the weft yarn, preventing the weft yarn from falling off the yarn clamping device 4.

[0041] The second cylinder liner 18 is fixedly mounted on the first mounting bracket 1 by two fifth mounting brackets 46, and the two fifth mounting brackets 46 are spaced apart along the length direction of the second cylinder liner 18.

[0042] Two fifth mounting brackets can ensure that the second cylinder liner 18 will not wobble, because the second cylinder liner 18 is relatively long, and one fifth mounting bracket 46 cannot completely fix the second cylinder liner 18.

[0043] A fourth sealing ring 47 is fixedly provided between the end of the connecting pipe 16 and the end of the first cylinder liner 6, and a fifth sealing ring 48 is provided between the end of the connecting pipe 16 and the end of the second cylinder liner 18.

[0044] The fourth sealing ring 47 and the fifth sealing ring 48 improve the sealing performance at both ends of the connecting pipe 16 and prevent hydraulic oil leakage.

[0045] The above embodiments only illustrate one or more implementations of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this patent should be determined by the appended claims.

Claims

1. A high-efficiency double-shuttle weaving device for a textile machine, comprising: The first mounting bracket is fixedly set on the ground; There are two weft insertion assemblies, both of which are set on the first mounting frame. The two weft insertion assemblies are distributed symmetrically. Each weft insertion assembly includes a weft insertion device for inserting the weft, a yarn clamping device for clamping the weft yarn, and a drive device for providing power. The drive device has an output end that moves in a horizontal direction. The weft insertion device is fixedly set on the output end of the drive device, and the yarn clamping device is fixedly set on the weft insertion device. The drive unit includes: The first cylinder liner is in a horizontal position and is positioned away from the other set of drive units. The first cylinder liner is fixedly mounted on the first mounting bracket by the second mounting bracket. The first piston is cylindrical and is coaxially arranged with the first cylinder liner. The first piston slides into the first cylinder liner. The first hydraulic cylinder is in a horizontal position, and its length direction is the same as the axis direction of the first cylinder liner. The first hydraulic cylinder is fixedly mounted on the first mounting bracket by the third mounting bracket. The first hydraulic cylinder and the first cylinder head are located on the same side of the first cylinder liner. The output end of the first hydraulic cylinder passes through the first cylinder head and is fixedly connected to the first piston. The first cylinder head has a first circular through hole formed for the output end of the first hydraulic cylinder to pass through. One end of the connecting pipe is fixedly connected to the end of the first cylinder liner that is away from the first cylinder head; The output mechanism is horizontal and fixedly mounted on the first mounting bracket. The output mechanism is connected to the other end of the connecting pipe. Two sets of weft insertion components alternately insert weft through a drive device, which increases the weaving speed while reducing the number of weft yarn breaks; The yarn clamping device includes a horizontally positioned second hydraulic cylinder, which is fixedly mounted on the connector via a fourth mounting bracket. The second hydraulic cylinder is located on the side of the connector away from the first yarn guide, and its output end is horizontally oriented towards the second cylinder sleeve, connecting hose, sliding arm, sliding seat, first clamp, and second clamp.

2. A high efficiency weaving loom with dual shuttle needles as claimed in claim 1 wherein, The drive device further includes: The first sealing rings are in a certain number, and the first sealing rings are all sleeved on the first piston. The first sealing rings are equally spaced along the axial direction of the first piston, and the first piston has a first annular groove formed on it for the first sealing rings to be accommodated. The first cylinder head is fixedly mounted on one end of the first cylinder liner.

3. A high efficiency loom with dual shuttle needles as claimed in claim 2 wherein, The output mechanism includes: The second cylinder liner is in a horizontal position and is fixedly mounted on the first mounting bracket. The axis of the second cylinder liner is parallel to the axis of the first cylinder liner. The second cylinder liner is located above the first cylinder liner and is located on the side of the first cylinder liner closer to another set of weft insertion components. The length of the second cylinder liner is greater than the length of the first cylinder liner, and the diameter of the second cylinder liner is smaller than the diameter of the first cylinder liner. One end of the second cylinder liner is fixedly connected to the free end of the connecting pipe. The second piston is cylindrical and is coaxially arranged with the second cylinder liner. The second piston slides into the second cylinder liner. The second sealing rings are in number, and all of them are fitted on the second piston. The second sealing rings are evenly spaced along the axial direction of the second piston. The second piston has a second annular groove formed on it for the second sealing rings to be accommodated. The second cylinder head is fixedly mounted on the end of the second cylinder liner away from the connecting pipe; A connecting rod is coaxially arranged with the second cylinder liner. The end of the connecting rod passes through the second cylinder head and is fixedly connected to the second piston. The second cylinder head has a second circular through hole for the connecting rod to pass through. The connecting rod is the output end of the aforementioned drive device.

4. The high-efficiency double-shuttle needle weaving device for a textile machine according to claim 3, characterized in that, The weft insertion device includes: The connector is horizontal, and its length direction is consistent with the length direction of the connecting rod. The connector is fixedly installed on the end of the connecting rod. The first yarn guide is fixedly mounted on the upper end of the connector; There are two second yarn guides, which are spaced apart vertically. Both second yarn guides are fixedly mounted on the connector and are positioned away from the connecting rod.

5. A high-efficiency double-shuttle needle weaving device for a textile machine according to claim 4, characterized in that, The second piston has a second through groove formed on it, and the second through groove is coaxially arranged with the second piston. The connecting rod has a connecting channel formed on it, one end of which is connected to the second through groove, and the other end of which is located outside the second cylinder head. A third sealing ring is provided between the second piston and the connecting rod. The second piston has a circular groove formed on it for the third sealing ring to be accommodated.

6. A high efficiency loom with dual shuttle needles as claimed in claim 5 wherein, The two ends of the connecting hose of the yarn clamping device are respectively fixedly connected to the second hydraulic cylinder and the other end of the connecting channel; The sliding arm is in a horizontal position, and the length direction of the sliding arm is consistent with the length direction of the connecting piece. The end of the sliding arm near the second cylinder liner is fixedly connected to the output end of the second hydraulic cylinder. The slide block is fixedly installed on the side of the second connector away from the first yarn guide. The slide arm slides through the slide block. The slide block is located on the side of the second hydraulic cylinder away from the second cylinder sleeve. A rectangular through groove is formed on the slide block for the slide arm to pass through. The first clamp is in a horizontal position and is fixedly mounted on the end of the connector away from the second cylinder liner. The first clamp is located between the two second yarn guides. The second clamp is in a horizontal position. The middle part of the second clamp is hinged to the middle part of the first clamp by a rivet. The end of the second clamp near the connector is slidably connected to the sliding arm.

7. A high efficiency loom with dual shuttle needles as claimed in claim 6 wherein, The second clamp is slidably connected to the sliding arm via a guide bolt. A connecting part is formed on the end of the sliding arm away from the second cylinder liner. A strip-shaped groove is formed on the end of the second clamp near the connecting part. The guide bolt is in a vertical state, and the lower end of the guide bolt passes through the strip-shaped groove and is screwed and fixed to the connecting part.

8. A high efficiency loom with dual shuttle needles as claimed in claim 6 wherein, The first clamp has a first anti-slip texture formed on its vertical sidewall away from the connector and close to the second clamp, and the second clamp has a second anti-slip texture formed on its sidewall that matches the first anti-slip texture.

9. A high efficiency loom with dual shuttle needles according to claim 3, wherein, The second cylinder liner is fixedly mounted on the first mounting bracket by two fifth mounting brackets, which are spaced apart along the length of the second cylinder liner.

10. A high-efficiency double-shuttle needle weaving device for a textile machine according to claim 3, characterized in that, A fourth sealing ring is fixedly provided between the end of the connecting pipe and the end of the first cylinder liner, and a fifth sealing ring is provided between the end of the connecting pipe and the end of the second cylinder liner.

Images