Yarn pressing device of water-jet loom

Abstract

The utility model discloses a water-jet loom line pressing device, which relates to the technical field of water-jet loom line pressing, and comprises a base, a line pressing assembly is arranged at the top end of the base, a cleaning assembly is arranged on the outer wall of the line pressing assembly, the line pressing assembly comprises two machine shells, and a first screw rod and a second screw rod are respectively and rotatably arranged on the inner walls of the two machine shells. One end of the outer wall of the first lead screw and one end of the outer wall of the second lead screw penetrate through one ends of the outer walls of the two machine shells correspondingly and are fixedly provided with transmission wheels correspondingly, the outer walls of the two transmission wheels are sleeved with belts, the cleaning assembly comprises two sliding rods and a sliding block, and a cleaning ring is fixedly installed at the bottom end of the sliding block; the first lead screw and the second lead screw are arranged, so that the yarn guide rollers on the two sides drive yarn to ascend, the yarn pressing roller in the middle drives the yarn to descend, the path through which the yarn passes is greatly changed, the tension adjusting range of the yarn is increased, and impurities on the surfaces of the yarn pressing rollers can be removed through the sliding cleaning ring.

Description

Technical Field

[0001] The utility model relates to the technical field of thread pressing for water jet looms, in particular to a thread pressing device for water jet looms. Background Art

[0002] As an important equipment in the modern textile field, the water jet loom pulls the weft yarn through the shed by jetting water, has the advantage of weft insertion, is suitable for weaving a variety of fibers, and has low energy consumption and low noise. During the operation of the water jet loom, the existence of the wire pressing device is of vital importance. First of all, the water jet loom is mainly used to process various fabrics such as roller blinds, curtain fabrics, and drapery fabrics. Most of the current wire pressing devices of water jet looms directly use the action of the spring to make the lower pressure plate squeeze the yarn to give the yarn a certain tension, thereby realizing the wire pressing function.

[0003] The U-shaped frame is fixed to the upper end of the fixing plate, and the fixing plate is fixed to the lower end of the fixing plate.

[0004] Although the above patent can press the yarn, there are still some problems. The lowering distance of the pressing wheel is limited. If the yarn is initially very loose, the pressing wheel may not be able to drop to a sufficient position to apply sufficient pressure to the yarn to adjust the tension to make it straight. At the same time, when the pressing wheel is pressing the yarn, some debris and impurities on the surface of the yarn may be squeezed and adhere to the surface of the pressing wheel. Long-term accumulation may cause impurities on the surface of the pressing wheel to affect the quality of the yarn. For this reason, the utility model provides a water jet loom pressing device. Utility Model Content

[0005] In response to the deficiencies in the prior art, the utility model provides a thread pressing device for a water jet loom, which solves the problem that the thread pressing wheel has a limited descending distance. If the yarn is initially very loose, the thread pressing wheel may not be able to descend to a sufficient position to apply sufficient pressure to the yarn to adjust the tension to make it straight. At the same time, when the thread pressing wheel is pressing the yarn, some debris and impurities on the surface of the yarn may be squeezed and adhere to the surface of the thread pressing wheel. Long-term accumulation may cause impurities on the surface of the thread pressing wheel to affect the quality of the yarn.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a water jet loom thread pressing device, comprising a base, a thread pressing assembly is provided on the top of the base, and a cleaning assembly is provided at one end of the outer wall of the thread pressing assembly;

[0007] The wire pressing assembly includes two housings, the inner walls of the two housings are respectively rotatably mounted with a first screw rod and a second screw rod, one end of the outer wall of the first screw rod and the second screw rod respectively penetrates one end of the outer wall of the two housings, and are both fixedly mounted with a transmission wheel, the outer walls of the two transmission wheels are provided with a belt, the outer wall of the first screw rod is threadedly connected to a first sliding connecting plate, and the outer wall of the second screw rod is threadedly connected to a second sliding connecting plate;

[0008] The cleaning assembly includes two sliding rods, the outer walls of the two sliding rods are slidably connected with sliders, and the bottom ends of the sliders are fixedly mounted with cleaning rings.

[0009] Preferably, the first sliding connecting plate and the second sliding connecting plate are movably inserted into the inner walls of the two casings respectively, two first frames are fixedly installed on one side of the outer wall of the first sliding connecting plate, and two wire rollers are rotatably installed on the inner walls of the two first frames.

[0010] Preferably, a group of telescopic rods is fixedly installed on the bottom end of the second sliding connecting plate, and a second frame is fixedly installed on the bottom end of a group of telescopic rods. A wire pressing roller is rotatably installed on the inner wall of the second frame, and the outer walls of a group of telescopic rods are all sleeved with a first spring, one end of a group of the first springs is fixedly connected to the first sliding connecting plate, and the other end of a group of the first springs is fixedly connected to the second frame.

[0011] Preferably, a servo motor is fixedly installed on the top of one of the two casings, the output end of the servo motor passes through the inner wall of the casing and is fixedly connected to one end of the outer wall of the second screw rod, and the two casings are fixedly connected to the base, and the thread directions of the first screw rod and the second screw rod are opposite.

[0012] Preferably, the two sliding rods are fixedly connected to the second frame, an L-shaped plate is fixedly installed on the outer wall of the second frame, a pull rod slides through the top end of the L-shaped plate, an insert block is fixedly installed on the bottom end of the pull rod, and a second spring is sleeved on the outer wall of the pull rod, one end of the second spring is fixedly connected to the L-shaped plate, and the other end of the second spring is fixedly connected to the insert block.

[0013] Preferably, a handle is fixedly mounted on the outer wall of the slider, a socket is provided on the top of the handle, the plug block matches the socket, and the inner wall of the cleaning ring matches the outer wall of the crimping roller.

[0014] Beneficial effects

[0015] The utility model provides a thread pressing device for a water jet loom. Compared with the prior art, it has the following beneficial effects:

[0016] (1) The thread pressing device of the water jet loom first passes the yarn between the two wire rollers on one side, then passes the yarn from under the thread pressing roller, and then passes the yarn between the two wire rollers on the other side. When the yarn needs to be pressed, the servo motor is turned on. The servo motor first drives the second screw rod to rotate, and the second screw rod drives the first screw rod to rotate through two transmission wheels and a belt. During the rotation process, the second screw rod drives the second sliding connecting plate and the thread pressing roller to descend, thereby pressing the yarn downward. At the same time, since the thread directions of the first screw rod and the second screw rod are opposite, the first screw rod will drive the first sliding connecting plate and the wire rollers on both sides to rise during the rotation process, which makes the wire rollers on both sides drive the yarn to rise, while the middle thread pressing roller drives the yarn to descend, which can make the path of the yarn pass through a greater change, thereby increasing the tension adjustment range of the yarn.

[0017] (2) The crimping device of the water jet loom, when the crimping roller presses the yarn for a long time, causing some impurities to adhere to the surface of the crimping roller, the surface of the crimping roller can be cleaned at this time, and the pull rod can be pulled to drive the plug block to move out of the socket, and then the handle is moved to drive the slider and the cleaning ring to move. The cleaning ring slides on the surface of the crimping roller during the movement, so that the impurities attached to the surface of the crimping roller can be scraped off, thereby preventing the impurities on the surface of the crimping roller from affecting the quality of the yarn. When the cleaning ring is cleaned, the pull rod can be pulled to make the plug block above the handle, and then the cleaning ring is moved back to the inner wall side of the second frame. At this time, the pull rod is released, and the plug block is pushed into the socket in the handle under the action of the second spring force, thereby completing the fixation of the cleaning ring and preventing the cleaning ring from moving and affecting the use of the crimping roller. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 3 is a cross-sectional view of the casing of the present utility model;

[0021] Figure 4 This is a schematic diagram of the relevant structure of the second frame of the utility model;

[0022] Figure 5 For the utility model Figure 4 Enlarged view of point A;

[0023] Figure 6 This is a schematic diagram of the relevant structure of the cleaning ring of the present utility model.

[0024] In the figure: 1. Base; 2. Wire pressing assembly; 21. Casing; 22. First screw rod; 23. Second screw rod; 24. Drive wheel; 25. Belt; 26. First sliding connecting plate; 27. First frame; 28. Wire roller; 29. ​​Servo motor; 210. Second sliding connecting plate; 211. First spring; 212. Telescopic rod; 213. Second frame; 214. Wire pressing roller; 3. Cleaning assembly; 31. Sliding rod; 32. Cleaning ring; 33. Slider; 34. Handle; 35. L-shaped plate; 36. Pull rod; 37. Insert block; 38. Second spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] This utility model provides two technical solutions:

[0027] Figures 1-6 The first embodiment is shown: a thread pressing device for a water jet loom, comprising a base 1, a thread pressing assembly 2 is provided on the top of the base 1, and a cleaning assembly 3 is provided on one end of the outer wall of the thread pressing assembly 2;

[0028] The wire pressing assembly 2 includes two housings 21, and the inner walls of the two housings 21 are respectively rotatably installed with a first screw rod 22 and a second screw rod 23. One end of the outer wall of the first screw rod 22 and the second screw rod 23 respectively penetrates one end of the outer wall of the two housings 21, and is fixedly installed with a transmission wheel 24. The outer walls of the two transmission wheels 24 are sleeved with a belt 25. The outer wall of the first screw rod 22 is threadedly connected to a first sliding connecting plate 26, and the outer wall of the second screw rod 23 is threadedly connected to a second sliding connecting plate 210. When the second screw rod 23 rotates, the second screw rod 23 drives one transmission wheel 24 to rotate, and then drives the other transmission wheel 24 and the first screw rod 22 to rotate through the belt 25;

[0029] The cleaning assembly 3 includes two slide rods 31 , the outer walls of the two slide rods 31 are slidably connected with a slider 33 , the bottom end of the slider 33 is fixedly mounted with a cleaning ring 32 , and the slider 33 can slide on the two slide rods 31 .

[0030] The first sliding connecting plate 26 and the second sliding connecting plate 210 are respectively movably inserted into the inner walls of the two casings 21. The casing 21 can limit the first sliding connecting plate 26 and the second sliding connecting plate 210. Two first frames 27 are fixedly installed on one side of the outer wall of the first sliding connecting plate 26. Two wire rollers 28 are rotatably installed on the inner walls of the two first frames 27. The yarn is between the two wire rollers 28. When the two wire rollers 28 move, the yarn will be driven to move.

[0031] A group of telescopic rods 212 are fixedly installed at the bottom end of the second sliding connecting plate 210, and a second frame 213 is fixedly installed at the bottom end of a group of telescopic rods 212. A pressure roller 214 is rotatably installed on the inner wall of the second frame 213. The outer walls of a group of telescopic rods 212 are all sleeved with first springs 211. One end of a group of first springs 211 is fixedly connected to the first sliding connecting plate 26, and the other end of a group of first springs 211 is fixedly connected to the second frame 213. The telescopic rods 212 play a connecting role. The first springs 211 have a certain elastic force. The pressure roller 214 is subjected to the up and down action of the yarn, which causes the first springs 211 to be compressed, so that the yarn is subjected to the pressure action of the first springs 211 and the pressure roller 214.

[0032] Figures 1-6 A second embodiment is shown, which differs from the first embodiment mainly in that:

[0033] A servo motor 29 is fixedly installed on the top of one of the two casings 21. The output end of the servo motor 29 passes through the inner wall of the casing 21 and is fixedly connected to one end of the outer wall of the second screw rod 23. The two casings 21 are fixedly connected to the base 1. The thread directions of the first screw rod 22 and the second screw rod 23 are opposite, so that the objects on the two screw rods can move in opposite directions. The servo motor 29 is an existing technology, which can improve the precise speed control, thereby better controlling the rotation speed of the second screw rod 23, and can accurately control the lifting and lowering position of the wire pressing roller 214.

[0034] The two sliding rods 31 are fixedly connected to the second frame 213, and an L-shaped plate 35 is fixedly installed on the outer wall of the second frame 213. A pull rod 36 slides through the top of the L-shaped plate 35, and an insert block 37 is fixedly installed on the bottom end of the pull rod 36. The outer wall of the pull rod 36 is sleeved with a second spring 38, one end of the second spring 38 is fixedly connected to the L-shaped plate 35, and the other end of the second spring 38 is fixedly connected to the insert block 37. The cleaning ring 32 is fixed by the insert block 37 on one side of the inner wall of the second frame 213 and will not directly contact the wire pressing roller 214. The pull rod 36 can fix the cleaning ring 32 through the action of the second spring 38 and the insert block 37, thereby preventing the cleaning ring 32 from moving and affecting the wire pressing of the wire pressing roller 214.

[0035] A handle 34 is fixedly installed on the outer wall of the slider 33, and a socket is provided at the top of the handle 34. The plug block 37 matches the socket, and the inner wall of the cleaning ring 32 matches the outer wall of the wire pressing roller 214. The inner wall of the cleaning ring 32 can be provided with a suitable cleaning material. When the cleaning ring 32 moves, it can clean impurities on the surface of the wire pressing roller 214.

[0036] At the same time, the contents not described in detail in this specification belong to the existing technology well known to those skilled in the art.

[0037] During operation, the yarn is first passed between the two wire rollers 28 on one side, and then the yarn is passed under the pressure roller 214, and then the yarn is passed between the two wire rollers 28 on the other side. When the yarn needs to be pressed, the servo motor 29 is turned on. The servo motor 29 first drives the second screw rod 23 to rotate, and the second screw rod 23 drives the first screw rod 22 to rotate through the two transmission wheels 24 and the belt 25. The second screw rod 23 drives the second sliding connecting plate 210 and the pressure roller 214 to descend during the rotation process, thereby pressing the yarn downward. At the same time, since the thread directions of the first screw rod 22 and the second screw rod 23 are opposite, the first screw rod 22 will drive the first sliding connecting plate 26 and the wire rollers 28 on both sides to rise during the rotation process, which makes the wire rollers 28 on both sides drive the yarn to rise, and the middle pressure roller 214 drives the yarn to descend, which can make the path of the yarn pass through a greater change, thereby increasing the tension adjustment range of the yarn. During the yarn conveying process, the first spring 211 can make the pressure roller 214 act on the yarn The roller 214 is moved up and down to adjust the tightness of the yarn. When the pressing roller 214 presses the yarn for a long time, some impurities are attached to the surface of the pressing roller 214. At this time, the surface of the pressing roller 214 can be cleaned by pulling the pull rod 36. The pull rod 36 drives the plug 37 to move out of the socket, and then the handle 34 is moved. The handle 34 drives the slider 33 and the cleaning ring 32 to move. The cleaning ring 32 slides on the surface of the pressing roller 214 during the movement, so that the impurities attached to the surface of the pressing roller 214 can be scraped off. The cleaning ring 32 is fixed to the second frame 213 so that the cleaning ring 32 can be fixed to the second frame 213. The cleaning ring 32 is fixed to the second frame 213 so that the cleaning ring 32 can be fixed to the second frame 213. The cleaning ring 32 is fixed to the second frame 213 so that the cleaning ring 32 can be fixed to the second frame 213.

[0038] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0039] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A thread pressing device for a water jet loom, comprising a base (1), characterized in that: A wire pressing assembly (2) is provided at the top end of the base (1), and a cleaning assembly (3) is provided at one end of the outer wall of the wire pressing assembly (2); The wire pressing assembly (2) comprises two housings (21), the inner walls of the two housings (21) are respectively rotatably mounted with a first screw rod (22) and a second screw rod (23), one end of the outer wall of the first screw rod (22) and the second screw rod (23) respectively penetrate one end of the outer wall of the two housings (21), and are both fixedly mounted with a transmission wheel (24), the outer walls of the two transmission wheels (24) are sleeved with a belt (25), the outer wall of the first screw rod (22) is threadedly connected to a first sliding connecting plate (26), and the outer wall of the second screw rod (23) is threadedly connected to a second sliding connecting plate (210); The cleaning assembly (3) comprises two sliding rods (31), the outer walls of the two sliding rods (31) are slidably connected with a slider (33), and the bottom end of the slider (33) is fixedly mounted with a cleaning ring (32).

2. A thread pressing device for a water jet loom according to claim 1, characterized in that: The first sliding connection plate (26) and the second sliding connection plate (210) are movably inserted into the inner walls of the two housings (21), respectively; two first frames (27) are fixedly mounted on one side of the outer wall of the first sliding connection plate (26); and two wire rollers (28) are rotatably mounted on the inner walls of the two first frames (27).

3. The thread pressing device of a water jet loom according to claim 1, characterized in that: A group of telescopic rods (212) is fixedly installed at the bottom end of the second sliding connecting plate (210), a second frame (213) is fixedly installed at the bottom end of the group of telescopic rods (212), a line pressing roller (214) is rotatably installed on the inner wall of the second frame (213), and a first spring (211) is sleeved on the outer wall of the group of telescopic rods (212), one end of the group of first springs (211) is fixedly connected to the first sliding connecting plate (26), and the other end of the group of first springs (211) is fixedly connected to the second frame (213).

4. The thread pressing device for a water jet loom according to claim 1, characterized in that: A servo motor (29) is fixedly mounted on the top of one of the two housings (21), and an output end of the servo motor (29) passes through the inner wall of the housing (21) and is fixedly connected to one end of the outer wall of the second screw rod (23). Both of the two housings (21) are fixedly connected to the base (1), and the thread directions of the first screw rod (22) and the second screw rod (23) are opposite.

5. The thread pressing device for a water jet loom according to claim 3, characterized in that: The two sliding rods (31) are fixedly connected to the second frame (213), and an L-shaped plate (35) is fixedly installed on the outer wall of the second frame (213). A pull rod (36) slides through the top end of the L-shaped plate (35), and an insert (37) is fixedly installed on the bottom end of the pull rod (36). The outer wall of the pull rod (36) is provided with a second spring (38), one end of the second spring (38) is fixedly connected to the L-shaped plate (35), and the other end of the second spring (38) is fixedly connected to the insert (37).

6. The thread pressing device for a water jet loom according to claim 5, characterized in that: A handle (34) is fixedly mounted on the outer wall of the slider (33), a socket is provided at the top end of the handle (34), the plug block (37) matches the socket, and the inner wall of the cleaning ring (32) matches the outer wall of the crimping roller (214).

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