Yarn guide for chemical fiber elasticizing production

Abstract

The invention discloses a yarn guide for chemical fiber elasticizing production, and relates to the technical field of yarn guides. The device comprises a mounting plate, a folding box is fixedly mounted on one side of the mounting plate, a yarn guide frame is fixedly mounted on one side of the folding box, a bearing is fixedly mounted at the top of the yarn guide frame, and a yarn guide shaft is rotatably mounted in the bearing; a side wheel lantern ring, a middle wheel lantern ring, a side wheel threaded lantern ring and an end cover threaded lantern ring are sequentially and fixedly connected to the end, away from the bearing, of the wire guide shaft in a sleeving mode, and a fixed side cone pulley is fixedly connected to the side wheel lantern ring in a sleeving mode. According to the twisting device, the yarn pushing assembly is arranged, so that during twisting, the two yarn pushing elastic blocks push redundant yarn strips to the position between the yarn pushing assembly and the yarn guiding sleeve wheel, the yarn strips pull the redundant yarn strips pushed by the yarn pushing elastic blocks, and the absolute length, shortened due to twisting, of the yarn strips is supplemented by the redundant yarn strips pushed by the yarn pushing elastic blocks; therefore, the tension on the filaments does not change greatly, and the phenomenon that the filaments are broken in the twisting process is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of yarn guides, and in particular to a yarn guide for chemical fiber texturing production. Background Art

[0002] False twisting technology is often used when chemical fiber yarns are textured. Two or more strands of fibers are combined into yarns, and the two ends are fixed. The yarns are first heated and twisted in the middle part, and then cooled and untwisted. Although the twist on the yarns after treatment is zero, a spiral twist will be left, thus giving the yarns fluffiness, elasticity and stretchability. At the same time, in order to ensure that the chemical fiber yarns can stably enter the twisting equipment, a yarn guide is usually installed in the equipment, and the yarns are directly placed in the yarn guide for guidance to ensure that the chemical fiber yarns can maintain a certain guide route during the twisting process.

[0003] Although the current false twist technology has good stability and high production efficiency in the spinning process, it causes great loss to chemical fiber yarns, and the strength of the produced chemical fiber yarns is relatively weak. During the twisting process, since the two ends of the chemical fiber yarns are fixed and the middle is twisted, the absolute length of the chemical fiber yarns is elongated, the tension of the chemical fiber yarns changes suddenly, and the yarn breakage phenomenon is prone to occur. The yarn guide currently used in the texturing process cannot effectively improve the problems arising in the texturing process. Therefore, a yarn guide for chemical fiber texturing production is proposed. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that although the current false twisting technology has good stability and high production efficiency in the spinning process, it causes large loss of chemical fiber yarns and the strength of the produced chemical fiber yarns is relatively weak. During the twisting process, since the two ends of the chemical fiber yarns are fixed and the middle part is twisted, the absolute length of the chemical fiber yarns is elongated, the tension of the chemical fiber yarns suddenly changes, and the yarn breakage phenomenon is prone to occur. The yarn guide currently used in the texturing process cannot effectively improve the problems occurring in the texturing process. The present invention provides a yarn guide for chemical fiber texturing production.

[0005] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0006] The cam is provided with a plurality of guide wheels, and a guide wheel is provided on the cam face, and a guide wheel is provided on the cam face.

[0007] The clamping wheel assembly is used to clamp the guide wire shaft before the chemical fiber filaments are twisted, thereby assisting in fixing the two ends of the chemical fiber filaments;

[0008] The card wheel assembly includes a small driving rod and a gear frame fixedly installed on one side of the folding box, the telescopic end of the small driving rod is fixedly installed with a locking rack, one end of the gear frame is rotatably installed with a locking shaft, one end of the locking shaft is fixedly sleeved with a locking gear meshing with the locking rack, the locking gear is located at the top of the locking rack, one end of the locking shaft is fixedly sleeved with a card rod perpendicular to the locking shaft, one side of the fixed side cone wheel is fixedly installed with a plurality of locking teeth evenly distributed along the axis of the guide wire shaft, the card rod and the plurality of the locking teeth are located on the same vertical plane, and one side of the mounting plate is provided with a wire pushing assembly for pushing the chemical fiber yarn during twisting to prevent the chemical fiber yarn from breaking;

[0009] The wire pushing assembly includes a fixed suspension fixedly installed on one side of the mounting plate, and two reverse rotating shafts arranged horizontally from top to bottom are rotatably installed on the top of the fixed suspension, and reverse gears and wire pushing wheel frames are fixedly sleeved on the reverse rotating shafts, and the two reverse gears are meshed with each other, and a plurality of wire pushing elastic blocks are fixedly installed on the circumference of the reverse gears, and a special-shaped rack is fixedly installed on one end of the positioning rack, and the special-shaped rack is located at the bottom of the two special-shaped racks and meshes with the reverse gear located at the bottom.

[0010] Furthermore, a plurality of guide sector plates evenly distributed along the axis of the reverse rotating shaft are fixedly mounted on both sides of the wire pushing wheel frame, and the guide sector plates and the wire pushing elastic blocks on the same side are staggeredly distributed.

[0011] Furthermore, a plurality of spring rods are fixedly installed between the side wall of the mounting plate and the inner wall of the folding box.

[0012] Furthermore, two limiting slots are provided on one side of the mounting plate, a limiting rod is fixedly installed at the bottom of the positioning rack, the limiting rod is U-shaped, and both ends of the limiting rod are respectively inserted into the inside of the two limiting slots.

[0013] Furthermore, a lubricating oil pipe is fixedly installed on the top of the outer wall of the bearing, a connected capillary tube is fixedly installed on the bottom of the lubricating oil pipe, a push-pull sealing valve connected to the interior of the bearing is fixedly installed on the outer wall of the bearing, and the bottom end of the capillary tube is connected to the interior of the push-pull sealing valve.

[0014] Furthermore, a push rod is fixedly mounted on the bottom of the limiting plug rod, and the position of the top end of the push rod corresponds to the position of the push-pull type sealing valve.

[0015] Furthermore, a fastening end cap is screwed onto the end cap threaded collar, and the thread groove on the end cap threaded collar and the thread groove on the side wheel threaded collar have opposite rotation directions.

[0016] Furthermore, a plurality of evenly distributed elastic sheets are fixedly installed on the circumferential side of the fastening end cover, an elastic pin is fixedly installed on one side of the elastic sheet close to the movable side cone wheel, a plurality of fastening slots matched with the elastic pin are opened on one side of the movable side cone wheel, and a paddle is fixedly installed on one side of the elastic sheet.

[0017] The beneficial effects of the present invention are as follows:

[0018] 1. The present invention sets a wire pushing assembly so that when twisting, the positioning rack drives the two wire pushing elastic blocks to contact each other and squeeze the wire strips, pushing the excess wire strips between the wire pushing assembly and the wire guide wheel. After the wire strips are shortened by twisting, they will pull the excess wire strips pushed by the wire pushing elastic blocks, so that the absolute length of the wire strips shortened by twisting is supplemented by the excess wire strips pushed by the wire pushing elastic blocks, so that the tension on the wire strips will not change significantly, thereby greatly reducing the occurrence of wire breakage during the twisting process;

[0019] 2. The present invention sets a clamping wheel assembly so that when the silk strip is twisted, the small driving rod drives the clamping rod to rotate upward to clamp the wire guide shaft, thereby limiting the wire guide sleeve wheel, thereby fixing the winding part of the silk strip on the wire guide sleeve wheel, and assisting the upstream and downstream processing equipment of the twisting machine to fix the two ends of the silk strip, so as to prevent the wire guide sleeve wheel from rotating automatically due to the pulling of the silk strip during twisting, thereby affecting the twisting effect;

[0020] 3. The present invention provides a movable side cone wheel, so that after the wire guide wheel and the wire guide spiral groove opened thereon are greatly worn due to long-term contact with the wire strip, the movable side cone wheel can be unscrewed, and then the wire guide wheel can be directly removed and replaced, so that the positioning groove on the new wire guide wheel is re-connected with the positioning flower-shaped ring on the fixed side cone wheel, and then the movable side cone wheel is tightened again to complete the installation of the wire guide wheel, and complete the replacement of the wire guide wheel of the consumable workpiece;

[0021] 4. The present invention provides a spring rod, so that when a certain section of the wire is shortened too much during twisting due to factors such as uneven quality, the wire will drive the wire guide wheel and other components to move toward the mounting plate as a whole, and the folding box will be folded and contracted, and the spring rod will be compressed synchronously, so that the shortened length of the wire can be supplemented by the contraction margin of the spring rod, further preventing the occurrence of wire breakage;

[0022] 5. The present invention provides a limit rod so that the limit rod can play a supporting role. In the non-twisting state, the folding box cannot fold itself, and the distance between the wire guide wheel and the mounting plate remains stable and unchanged, so that the wire strips can move normally. When twisting, the small driving rod drives the two ends of the limit rod to be pulled out and move a certain distance, and the folding box can be folded under the pulling of the wire strips, thereby realizing automatic control of the folding box;

[0023] 6. The present invention provides a guide sector plate, so that after the wire is passed through the two wire pushing wheel frames, a total of four guide sector plates on the upper and lower sides and on both sides will cover the wire inside, so that when there is no need to push the wire, it cooperates with the wire guide sleeve wheel to pre-guide the chemical fiber wire, so that the initial entry position of the wire is limited, so that it can be stably wound on the wire guide spiral groove;

[0024] 7. The present invention provides a fastening end cap, so that after the wire guide wheel is replaced, the fastening end cap can be screwed on the end cap threaded collar, so that the fastening end cap blocks the movable side cone wheel from the end surface, preventing the thread of the movable side cone wheel from loosening due to the centrifugal movement of the wire guide wheel;

[0025] 8. The present invention provides an elastic sheet so that when the fastening end cover is tightened, the elastic pins will be stuck in each fastening slot, so that the movable side cone wheel and the fastening end cover will not rotate relative to each other. Since the thread grooves of the end cover threaded collar and the side wheel threaded collar rotate in opposite directions, the movable side cone wheel and the fastening end cover are both stuck on the guide wire shaft, further preventing the movable side cone wheel and the fastening end cover from loosening their threads.

[0026] 9. The present invention sets a lubricating oil pipe, so that when twisting, the movement of the movable limit rod will drive the push-pull sealing valve to open, so that the oil path of the capillary is unobstructed, and then the lubricating oil in the lubricating oil pipe slowly drips through the capillary to the inside of the bearing for lubrication. When the twisting is completed, the moving silk thread will drive the wire guide shaft to rotate again, so that the lubricating oil is coated everywhere inside the bearing, thereby improving the lubrication effect and extending the service life of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention from a first viewing angle;

[0028] Figure 2 is a schematic diagram of a three-dimensional structure from a second viewing angle of the present invention;

[0029] Figure 3 It is a schematic diagram of the internal three-dimensional structure of the folding box of the present invention;

[0030] Figure 4 It is a schematic diagram of the three-dimensional structure of the guide wire shaft of the present invention;

[0031] Figure 5 It is a schematic diagram of the three-dimensional structure of the wire guide wheel of the present invention;

[0032] Figure 6 It is a schematic diagram of the three-dimensional structure of the fixed side cone wheel and the movable side cone wheel of the present invention;

[0033] Figure 7 It is a schematic diagram of the structure of the matching body between the wire pushing wheel frame and the wire pushing projection of the present invention;

[0034] Figure 8 It is a schematic diagram of the three-dimensional structure of the fastening end cover of the present invention;

[0035] Figure numerals: 1, mounting plate; 2, folding box; 3, wire guide rack; 4, bearing; 5, wire guide shaft; 6, side wheel collar; 7, middle wheel collar; 8, side wheel threaded collar; 9, end cover threaded collar; 10, fixed side cone wheel; 11, wire guide sleeve wheel; 12, movable side cone wheel; 13, wire guide spiral groove; 14, positioning groove; 15, positioning flower-shaped ring; 16, small driving rod; 17, positioning rack; 18, gear rack; 19, positioning shaft; 20, positioning gear Wheel; 21. Clamping rod; 22. Clamping teeth; 23. Fixed suspension; 24. Reverse rotating shaft; 25. Reverse gear; 26. Wire pushing wheel frame; 27. Wire pushing elastic block; 28. Special-shaped rack; 29. ​​Guide fan-shaped plate; 30. Spring rod; 31. Limiting plug rod; 32. Lubricating oil pipe; 33. Capillary; 34. Push-pull sealing valve; 35. Push rod; 36. Fastening end cover; 37. Elastic sheet; 38. Elastic latch; 39. Fastening slot; 40. Pick. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0037] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0039] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the inventive product is usually placed when used. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0040] like Figures 1 to 8 As shown, a yarn guide for chemical fiber texturing production includes a mounting plate 1, a folding box 2 is fixedly mounted on one side of the mounting plate 1, a yarn guide frame 3 is fixedly mounted on one side of the folding box 2, a bearing 4 is fixedly mounted on the top of the yarn guide frame 3, and a yarn guide shaft 5 is rotatably mounted inside the bearing 4, as shown in FIG. Figure 4 As shown, the end of the guide wire shaft 5 away from the bearing 4 is fixedly sleeved with a side wheel collar 6, a middle wheel collar 7, a side wheel threaded collar 8 and an end cover threaded collar 9 in sequence. In this embodiment, the outer diameters of the side wheel collar 6 and the side wheel threaded collar 8 are significantly smaller than the outer diameter of the middle wheel collar 7, and the outer diameter of the end cover threaded collar 9 is significantly smaller than the outer diameter of the side wheel threaded collar 8. Figure 3 As shown, a fixed side cone wheel 10 is fixedly sleeved on the side wheel collar 6, a guide wire sleeve 11 is movably sleeved on the middle wheel collar 7, and a movable side cone wheel 12 is threadedly connected to the side wheel threaded collar 8. The movable side cone wheel 12 is symmetrically distributed with the fixed side cone wheel 10, as shown in FIG. Figure 5 As shown, a positioning groove 14 is provided on one side of the wire guide wheel 11. Figure 6As shown, a positioning flower-shaped ring 15 matched with the positioning groove 14 is fixedly installed on one side of the fixed side cone wheel 10 close to the movable side cone wheel 12, a guiding spiral groove 13 is opened on the side wall of the wire guide wheel 11, and a clamping wheel assembly is arranged on one side of the folding box 2; specifically, when the wire guide for chemical fiber elastic production is in use, the wire guide is installed at the inlet and outlet of the twisting machine, and then the chemical fiber yarn is passed through and wound on the wire guide wheel 11, one end of the chemical fiber yarn continues to pass through the twisting machine and is wound around the wire guide on the other side, and then passes through other processing equipment in turn and is finally fixed on the winding equipment. Under the traction of the winding equipment, the chemical fiber yarn moves inside the twisting machine and passes through the wire guide wheel 11 on the wire guide wheel. The spiral groove 13 of the wire guide drives the wire guide shaft 5 to rotate. When the upstream processing equipment after the winding equipment stops conveying the wire strips, the twisting machine starts to twist the wire strips. By setting the movable side cone wheel 12, the wire guide sleeve wheel 11 and the spiral groove 13 of the wire guide opened thereon are greatly worn due to long-term contact with the wire strips. The movable side cone wheel 12 can be rotated and unscrewed, and then the wire guide sleeve wheel 11 can be directly removed and replaced, so that the positioning groove 14 on the new wire guide sleeve wheel 11 is re-connected with the positioning flower-shaped ring 15 on the fixed side cone wheel 10, and then the movable side cone wheel 12 is tightened again to complete the installation and fixation of the wire guide sleeve wheel 11, and the replacement of the consumable workpiece wire guide sleeve wheel 11 is completed;

[0041] The clamping wheel assembly is used to clamp the guide wire shaft 5 before the chemical fiber yarn is twisted, so as to assist in fixing the two ends of the chemical fiber yarn;

[0042] like Figure 3 As shown, the card wheel assembly includes a small driving rod 16 and a gear frame 18 fixedly mounted on one side of the folding box 2. In this embodiment, the small driving rod 16 can be any linear actuator in the prior art, such as a small electric push rod, a hydraulic rod, etc. The telescopic end of the small driving rod 16 is fixedly mounted with a card rack 17, and one end of the gear frame 18 is rotatably mounted with a card shaft 19, and one end of the card shaft 19 is fixedly sleeved with a card gear 20 meshing with the card rack 17, and the card gear 20 is located at the top of the card rack 17, and one end of the card shaft 19 is fixedly sleeved with a card rod 21 perpendicular to the card shaft 19, as shown in FIG. Figure 6As shown, a plurality of latch teeth 22 evenly distributed along the axis of the guide wire shaft 5 are fixedly installed on one side of the fixed side cone wheel 10, and the latch rod 21 and the plurality of latch teeth 22 are located on the same vertical plane. A wire pushing assembly for pushing the chemical fiber yarn during twisting to prevent the chemical fiber yarn from breaking is provided on one side of the mounting plate 1; specifically, by providing the latch wheel assembly, when the yarn is twisted, the small driving rod 16 will drive the latch rack 17 to gradually move away from the mounting plate 1, thereby driving the latch shaft 19 to rotate through the meshing latch gear 20, thereby The clamping rod 21 is driven to rotate upward until it is stuck between two of the clamping teeth 22 and stops moving, thereby clamping the fixed side cone wheel 10, and then the guide wire shaft 5 is blocked. The fixed side cone wheel 10 will limit the guide wire sleeve wheel 11 with the cooperation of the positioning flower-shaped ring 15 and the positioning groove 14, so as to fix the winding part of the silk strip on the guide wire sleeve wheel 11, and the upstream and downstream processing equipment of the auxiliary twisting machine can fix the two ends of the silk strip, so as to prevent the guide wire sleeve wheel 11 from rotating by itself due to the pulling of the silk strip during twisting, thereby affecting the twisting effect;

[0043] like Figure 2 As shown, the wire pushing assembly includes a fixed suspension 23 fixedly mounted on one side of the mounting plate 1, and the top of the fixed suspension 23 is rotatably mounted with two reverse rotating shafts 24 arranged horizontally from top to bottom, as shown in FIG. Figure 7 As shown, a reverse gear 25 and a wire pushing wheel frame 26 are fixedly sleeved on the reverse rotating shaft 24, and the two reverse gears 25 are meshed with each other. A plurality of wire pushing elastic blocks 27 are fixedly installed on the circumferential side of the reverse gear 25, and a special-shaped rack 28 is fixedly installed on one end of the positioning rack 17. The special-shaped rack 28 is located at the bottom of the two special-shaped racks 28 and meshes with the reverse gear 25 located at the bottom; specifically, by arranging a wire pushing assembly, before twisting, the wire strip is passed between the two wire pushing wheel frames 26. During twisting, the positioning rack 17 will drive the special-shaped rack 28 to move synchronously, thereby driving the two meshing reverse gears 25 to rotate in the opposite direction, thereby driving the two wire pushing wheel frames 26 through the reverse rotating shaft 24. 6 rotates in the opposite direction until the two wire pushing elastic blocks 27 contact each other and squeeze the wire strips from the top and bottom respectively. At this time, the upstream processing equipment continues to gradually release a small amount of wire strips as the twisting proceeds. The two wire pushing elastic blocks 27 will push the excess wire strips to between the wire pushing assembly and the wire guide sleeve wheel 11. At this time, the wire guide sleeve wheel 11 is stuck by the clamping wheel assembly. After the wire strips are shortened by twisting, they will pull the excess wire strips pushed by the wire pushing elastic blocks 27, causing the wire strips to slide in the wire guide spiral groove 13, so that the absolute length of the wire strips shortened by twisting is supplemented by the excess wire strips pushed out by the wire pushing elastic blocks 27, so that the tension on the wire strips will not change significantly, thereby greatly reducing the occurrence of wire breakage during the twisting process.

[0044] like Figure 7As shown, multiple guide fan-shaped plates 29 evenly distributed along the axis of the reverse rotating shaft 24 are fixedly installed on both sides of the wire pushing wheel frame 26, and the guide fan-shaped plates 29 and the wire pushing elastic blocks 27 on the same side are staggered. Specifically, by setting the guide fan-shaped plates 29, after the wire strips pass through between the two wire pushing wheel frames 26, a total of four guide fan-shaped plates 29 on the upper and lower sides and on both sides will cover the wire strips inside, so that when there is no need to push the wire, they cooperate with the wire guide sleeve wheel 11 to pre-guide the chemical fiber wire strips, so that the initial entry orientation of the wire strips is restricted, so that they are stably wound on the wire guide spiral groove 13.

[0045] like Figure 3 As shown, a plurality of spring rods 30 are fixedly installed between the side wall of the mounting plate 1 and the inner wall of the folding box 2; specifically, by arranging the spring rods 30, when a certain section of the silk thread is shortened too much during twisting due to factors such as uneven quality, the length of the silk thread pushed out by the wire pushing elastic block 27 is insufficient to make up for the shortened length due to twisting. At this time, the silk thread will drive the wire guide wheel 11 and other components to move toward the mounting plate 1 as a whole, and make the folding box 2 fold and shrink, and the spring rods 30 compress synchronously, so as to make up for the shortened length of the silk thread with the help of the shrinkage margin of the spring rods 30, and further prevent the occurrence of wire breakage.

[0046] like Figure 3 As shown, one side of the mounting plate 1 is provided with two limit slots, and a limit rod 31 is fixedly installed at the bottom of the positioning rack 17. The limit rod 31 is "U"-shaped, and the two ends of the limit rod 31 are respectively inserted into the two limit slots; specifically, by setting the limit rod 31, the limit rod 31 can play a supporting role between the mounting plate 1 and the wire guide wheel 11. In the non-twisting state, the folding box 2 cannot fold itself, and the distance between the wire guide wheel 11 and the mounting plate 1 remains stable and unchanged to facilitate the normal movement of the silk strip. During twisting, the small driving rod 16 drives the positioning rack 17 to move, which will simultaneously drive the two ends of the limit rod 31 to be pulled out of the two limit slots and move a certain distance. At this time, the limit rod 31 no longer plays a supporting role, and the folding box 2 can be folded under the pull of the silk strip, thereby realizing automatic control of the folding box 2.

[0047] like Figure 1 , Figure 2As shown, a lubricating oil pipe 32 is fixedly installed on the top of the outer wall of the bearing 4, and a connected capillary 33 is fixedly installed on the bottom of the lubricating oil pipe 32. A push-pull sealing valve 34 connected to the inside of the bearing 4 is fixedly installed on the outer wall of the bearing 4, and the bottom end of the capillary 33 is connected to the inside of the push-pull sealing valve 34; specifically, by arranging the lubricating oil pipe 32, the lubricating oil in the lubricating oil pipe 32 will slowly drip through the capillary 33 to the inside of the bearing 4 for lubrication under the action of gravity. When the twisting is completed, the traveling silk thread will drive the guide wire shaft 5 to rotate again, and then drive the inner and outer ends of the bearing 4 to rotate relative to each other, so that the lubricating oil is coated on various places inside the bearing 4, thereby improving the lubrication effect and extending the service life of the bearing 4.

[0048] like Figure 1 , Figure 2 As shown, a push rod 35 is fixedly installed at the bottom of the limit plug rod 31, and the position of the top end of the push rod 35 corresponds to the position of the push-pull sealing valve 34. In this embodiment, the push-pull sealing valve 34 is any common small push-pull valve in the prior art. A push-pull rod is arranged on one side of the valve and slides to extend to the outside of the push-pull sealing valve 34 and corresponds to the position of the top end of the push rod 35. An elastic member is arranged on the other side of the valve. The top end of the push rod 35 pushes the push-pull rod, thereby driving the valve to slide and connecting the push-pull sealing valve 34 from top to bottom. The elastic member is deformed and compressed. After the push rod 35 is reset, the valve The push-pull sealing valve 34 is reset under the action of the elastic member and is closed up and down; specifically, by arranging the push rod 35, when twisting, the movement of the movable limit rod 31 will drive the push rod 35 to move toward the push-pull sealing valve 34 and push open the valve of the push-pull sealing valve 34, so that the oil path of the capillary 33 is unobstructed, and then the lubricating oil in the lubricating oil pipe 32 slowly drips through the capillary 33 to the inside of the bearing 4 for lubrication. When the push rod 35 is reset, the valve of the push-pull sealing valve 34 will be reset under the action of the internal elastic member, so that the oil path is re-closed, thereby realizing automatic control of the opening and closing of the oil path.

[0049] like Figure 2 , Figure 8 As shown, a fastening end cap 36 is screwed on the end cap threaded collar 9, and the thread groove on the end cap threaded collar 9 is in opposite rotation direction to the thread groove on the side wheel threaded collar 8; specifically, by arranging the fastening end cap 36, after replacing the wire guide sleeve 11, the fastening end cap 36 can be screwed on the end cap threaded collar 9, so that the fastening end cap 36 has a blocking effect on the movable side cone wheel 12 from the end face, thereby preventing the movable side cone wheel 12 from loosening the thread due to the centrifugal movement of the wire guide sleeve 11.

[0050] like Figure 8 As shown, a plurality of uniformly distributed elastic sheets 37 are fixedly installed on the peripheral side of the fastening end cover 36, and an elastic latch 38 is fixedly installed on one side of the elastic sheet 37 close to the movable side cone wheel 12. Figure 6The cam 37 is a substantially parallelogram of the arrangement of the springs 38 and the springs 39, with the springs 38 being arranged on one side of the wheel 36 so as to prevent the cam 37 from rotating relative to the wheel 36.

[0051] In summary: installation of the wire guide and replacement of the wire guide wheel 11: the wire guide is fixedly installed at the inlet and outlet of the twisting machine through the mounting plate 1. After the wire guide wheel 11 and the wire guide spiral groove 13 opened thereon are greatly worn due to long-term contact with the silk strip, the paddle 40 is moved to drive the elastic sheet 37 and the elastic latch 38 to elastically deform, and the limit on the fastening end cover 36 is released. Then the fastening end cover 36 can be unscrewed, and then the movable side cone wheel 12 is rotated and unscrewed, and then the wire guide wheel 11 is directly removed and replaced, so that the positioning groove 14 on the new wire guide wheel 11 is re-aligned with the positioning flower-shaped ring 15 on the fixed side cone wheel 10, and then the movable side cone wheel 12 and the fastening end cover 36 are tightened again to complete the replacement of the wire guide wheel 11;

[0052] Before twisting: the silk strip is passed between the two wire pushing wheel frames 26 and wound on the wire guide sleeve wheel 11. A total of four guide fan-shaped plates 29 on the top and bottom and on both sides will cover the silk strip inside, so that when there is no need to push the wire, it cooperates with the wire guide sleeve wheel 11 to pre-guide the chemical fiber silk strip, so that the initial entry direction of the silk strip is restricted. One end of the chemical fiber silk strip continues to pass through the twisting machine and is wound on the wire guide on the other side, and then passes through other processing equipment in turn and is finally fixed on the winding equipment. The chemical fiber silk strip moves inside the twisting machine under the traction of the winding equipment, and will drive the wire guide shaft 5 to rotate by friction with the wire guide spiral groove 13 on the wire guide sleeve wheel 11;

[0053] During twisting: When the upstream processing equipment after the winding equipment stops conveying the silk strips, the twisting machine starts to twist the silk strips, and the small driving rod 16 drives the positioning rack 17 to gradually move away from the mounting plate 1, thereby driving the positioning shaft 19 to rotate through the meshing positioning gear 20, and then driving the positioning rod 21 to rotate upward until it is stuck between two of the locking teeth 22 and stops moving, thereby blocking the fixed side cone wheel 10, and then blocking the guide wire shaft 5. The fixed side cone wheel 10 will limit the guide wire sleeve wheel 11 with the cooperation of the positioning flower-shaped ring 15 and the positioning groove 14, so as to prevent the wire guide shaft 5 from being stuck. The winding part of the silk strip on the wire guide sleeve wheel 11 is fixed, and the upstream and downstream processing equipment of the auxiliary twisting machine fixes the two ends of the silk strip. At the same time, the positioning rack 17 will drive the special-shaped rack 28 to move synchronously, and then drive the two meshing reverse gears 25 to rotate in the opposite direction, thereby driving the two wire pushing wheel frames 26 to rotate in the opposite direction through the reverse rotating shaft 24, until the two wire pushing elastic blocks 27 contact each other and squeeze the silk strip from the top and bottom respectively. At this time, the upstream processing equipment continues to gradually release a small amount of silk strip as the twisting proceeds, and the two wire pushing elastic blocks 27 will release more The remaining wire strips are pushed between the wire pushing assembly and the wire guide sleeve wheel 11, and at this time the wire guide sleeve wheel 11 is stuck by the clamping wheel assembly. After the wire strips are twisted and shortened, they will pull the excess wire strips pushed by the wire pushing elastic block 27, so that the wire strips slide in the wire guide spiral groove 13, so that the absolute length of the wire strips shortened by twisting is supplemented by the excess wire strips pushed out by the wire pushing elastic block 27, so that the tension on the wire strips will not change significantly, and the small driving rod 16 drives the clamping rack 17 to move, which will simultaneously drive the two ends of the limit rod 31 to be pulled out of the two limit slots and move a certain distance At this time, the limiting plug rod 31 no longer plays a supporting role, and the folding box 2 can be folded under the pull of the silk strip. When a section of silk strip is shortened too much during twisting due to factors such as uneven quality, the length of the silk strip pushed out by the wire pushing elastic block 27 is not enough to make up for the shortened length due to twisting. At this time, the silk strip will drive the wire guide wheel 11 and other components to move toward the mounting plate 1 as a whole, and make the folding box 2 fold and shrink, and the spring rod 30 compress synchronously, so as to make up for the shortened length of the silk strip with the help of the shrinkage margin of the spring rod 30, and further prevent the occurrence of wire breakage.

[0054] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A yarn guide for chemical fiber texturing production, characterized in that: The invention comprises a mounting plate (1), a folding box (2) is fixedly mounted on one side of the mounting plate (1), a wire guide frame (3) is fixedly mounted on one side of the folding box (2), a bearing (4) is fixedly mounted on the top of the wire guide frame (3), a wire guide shaft (5) is rotatably mounted inside the bearing (4), a side wheel collar (6), a middle wheel collar (7), a side wheel threaded collar (8) and an end cover threaded collar (9) are fixedly sleeved on one end of the wire guide shaft (5) away from the bearing (4), a fixed side cone wheel (10) is fixedly sleeved on the side wheel collar (6), and the middle wheel collar (7) is fixedly sleeved on the side wheel collar (8). ) is movably sleeved with a wire guide sleeve wheel (11), a movable side cone wheel (12) is screwed on the side wheel threaded sleeve ring (8), the movable side cone wheel (12) is symmetrically distributed with the fixed side cone wheel (10), a positioning groove (14) is provided on one side of the wire guide sleeve wheel (11), a positioning flower-shaped ring (15) adapted to the positioning groove (14) is fixedly installed on the side of the fixed side cone wheel (10) close to the movable side cone wheel (12), a wire guide spiral groove (13) is provided on the side wall of the wire guide sleeve wheel (11), and a clamping wheel assembly is provided on one side of the folding box (2); The clamping wheel assembly is used to clamp the guide wire shaft (5) before the chemical fiber thread is twisted, thereby assisting in fixing the two ends of the chemical fiber thread; The card wheel assembly comprises a small driving rod (16) and a gear rack (18) fixedly mounted on one side of the folding box (2); a card rack (17) is fixedly mounted on the telescopic end of the small driving rod (16); a card rotating shaft (19) is rotatably mounted on one end of the gear rack (18); a card gear (20) is fixedly sleeved on one end of the card rotating shaft (19) and meshed with the card rack (17); the card gear (20) is located on the card rack (17). 7), one end of the locking shaft (19) is fixedly sleeved with a locking rod (21) perpendicular to the locking shaft (19), one side of the fixed side cone wheel (10) is fixedly mounted with a plurality of locking teeth (22) evenly distributed along the axis of the guide wire shaft (5), the locking rod (21) and the plurality of locking teeth (22) are located on the same vertical plane, and one side of the mounting plate (1) is provided with a wire pushing assembly for pushing the chemical fiber yarn during twisting to prevent the chemical fiber yarn from breaking; The wire pushing assembly comprises a fixed suspension (23) fixedly mounted on one side of the mounting plate (1); two reverse rotating shafts (24) arranged horizontally from top to bottom are rotatably mounted on the top of the fixed suspension (23); a reverse gear (25) and a wire pushing wheel frame (26) are fixedly sleeved on the reverse rotating shafts (24); the two reverse gears (25) are meshed with each other; a plurality of wire pushing elastic blocks (27) are fixedly mounted on the circumference of the reverse gears (25); a special-shaped rack (28) is fixedly mounted on one end of the positioning rack (17); the special-shaped rack (28) is located at the bottom of the two special-shaped racks (28) and meshes with the reverse gear (25) located at the bottom.

2. A yarn guide for chemical fiber texturing production according to claim 1, characterized in that: A plurality of guide sector plates (29) evenly distributed along the axis of the reverse rotating shaft (24) are fixedly mounted on both sides of the wire pushing wheel frame (26), and the guide sector plates (29) and the wire pushing elastic blocks (27) on the same side are staggeredly distributed.

3. A yarn guide for chemical fiber texturing production according to claim 1, characterized in that: A plurality of spring rods (30) are fixedly mounted between the side wall of the mounting plate (1) and the inner wall of the folding box (2).

4. A yarn guide for chemical fiber texturing production according to claim 1, characterized in that: Two limiting slots are provided on one side of the mounting plate (1); a limiting rod (31) is fixedly mounted on the bottom of the positioning rack (17); the limiting rod (31) is U-shaped, and the two ends of the limiting rod (31) are respectively inserted into the inside of the two limiting slots.

5. A yarn guide for chemical fiber texturing production according to claim 4, characterized in that: A lubricating oil pipe (32) is fixedly mounted on the top of the outer wall of the bearing (4), a capillary tube (33) is fixedly mounted on the bottom of the lubricating oil pipe (32), and a push-pull sealing valve (34) connected to the inside of the bearing (4) is fixedly mounted on the outer wall of the bearing (4), and the bottom end of the capillary tube (33) is connected to the inside of the push-pull sealing valve (34).

6. A yarn guide for chemical fiber texturing production according to claim 5, characterized in that: A push rod (35) is fixedly mounted on the bottom of the limiting plug rod (31), and the position of the top end of the push rod (35) corresponds to the position of the push-pull type sealing valve (34).

7. A yarn guide for chemical fiber texturing production according to claim 1, characterized in that: A fastening end cover (36) is threadedly connected to the end cover threaded collar (9), and the thread groove on the end cover threaded collar (9) and the thread groove on the side wheel threaded collar (8) have opposite rotation directions.

8. A yarn guide for chemical fiber texturing production according to claim 7, characterized in that: A plurality of evenly distributed elastic sheets (37) are fixedly mounted on the circumferential side of the fastening end cover (36); an elastic latch (38) is fixedly mounted on one side of the elastic sheet (37) close to the movable side cone wheel (12); a plurality of fastening slots (39) matched with the elastic latch (38) are provided on one side of the movable side cone wheel (12); and a paddle (40) is fixedly mounted on one side of the elastic sheet (37).

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