Replaceable guide roller device of air jet loom

Abstract

The replaceable guide roller device of the air jet loom comprises a fixing base, a fixing cylinder and a supporting frame, the supporting frame is embedded in the inner wall of the top of the fixing cylinder, the inner walls of the bottoms of the two sides of a movable cavity are connected with threaded cylinders through bearings, the tops of the threaded cylinders are in threaded connection with threaded rods, and the threaded rods are in threaded connection with the movable cavity. A worm wheel is in key connection with the outer wall of the threaded cylinder, guide rollers are arranged in the middles of the two sets of supporting frames, clamping grooves are formed in the two sides of a stable hole channel, a connecting plate is arranged on one side of the driving cavity, clamping blocks are arranged on one side of the connecting plate, and the ends, away from the connecting plate, of the clamping blocks penetrate through the supporting frames to be embedded into the clamping grooves. The worm wheel rotates to drive the threaded barrel to rotate so as to drive the screw to ascend and descend, the screw can ascend and descend to drive the supporting frame to ascend and descend so that the height of the guide roller can be conveniently adjusted, different traction tension can be adjusted, the guide roller can be installed and fixed by clamping the clamping block and the clamping groove, and the guide roller can be disassembled by twisting an adjusting knob during disassembly.

Description

Technical Field

[0001] The utility model relates to the technical field of guide rollers, in particular to a replaceable guide roller device for an air jet loom. Background Art

[0002] The air jet loom is a shuttleless loom that uses a jet airflow to pull the weft yarn through the shed. The working principle is to use air as the weft insertion medium, and the ejected compressed airflow generates friction traction on the weft yarn to pull the weft yarn, and the weft yarn is brought through the shed. The jet generated by the air jet is used to achieve the purpose of weft insertion. The air jet loom requires guide rollers to guide the fabric. The application number CN202023335925.1 is retrieved, which is a air jet loom. This application has the effect of reducing the probability of misalignment between warp yarns and weft yarns.

[0003] Similar to the above-mentioned jet loom: although the detector for detecting the position of the fabric on the adjustment roller and the control circuit for controlling the operation of the driver according to the detection signal of the detector have the effect of reducing the probability of misalignment between the warp yarn and the weft yarn, firstly, the mounting shafts at both ends of the traditional guide roller are installed by bolts, and tools are required for disassembly and replacement. Secondly, when faced with different degrees of yarn tightness and adjustment during guidance, the guide roller cannot adjust the height to adjust the tightness.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a replaceable guide roller device for an air jet loom is proposed to achieve a more practical purpose. Utility Model Content

[0005] The purpose of the utility model is to provide a replaceable guide roller device for an air jet loom to solve the problem that the installation shafts at both ends of the conventional guide rollers of the air jet loom mentioned in the above-mentioned background technology are installed by bolts, and tools are required for disassembly and replacement; secondly, when the guide rollers need to be adjusted during the guidance in the face of different degrees of yarn tightness, the height of the guide rollers cannot be adjusted to adjust the tightness.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a replaceable guide roller device for an air jet loom, comprising a fixed seat, a fixed cylinder and a support frame, both sides of the top of the fixed seat are connected to the fixed cylinder by fixing bolts, the support frame is embedded in the top inner wall of the fixed cylinder, a movable cavity is provided in the middle of the fixed seat, the bottom inner walls on both sides of the movable cavity are connected to threaded cylinders by bearings, the top of the threaded cylinder passes through the movable cavity and extends to the interior of the fixed cylinder, the top of the threaded cylinder is threadedly connected to a screw, and the end of the screw away from the threaded cylinder is connected to the support frame by fixing bolts.

[0007] Furthermore, the outer wall key of the threaded cylinder is connected to a worm wheel, one side of the movable cavity is connected to a worm through a bearing, the worm and the worm wheel are meshed, and the outer wall of one side of the fixed seat is connected to a servo motor, and the output end of the servo motor is connected to the worm.

[0008] Furthermore, stabilizing blocks are provided at the top of the opposite sides of the two groups of support frames, guide rollers are provided in the middle of the two groups of support frames, stabilizing channels are provided at the centers of both sides of the guide rollers, the stabilizing blocks are embedded in the stabilizing channels, and card slots are provided on both sides of the stabilizing channels.

[0009] Furthermore, a driving cavity is provided at the top center of the two groups of support frames, a connecting plate is provided on one side of the driving cavity, and a card block is arranged on one side of the connecting plate. The end of the card block away from the connecting plate passes through the support frame and is embedded in the card slot.

[0010] Furthermore, a spring is arranged on one side of the connecting plate away from the block, one end of the spring away from the connecting plate abuts against the inner wall of the driving cavity, and a rack is connected to the center of the side of the connecting plate away from the block.

[0011] Furthermore, a rotating shaft is connected to the center of the driving cavity through a bearing, a gear is keyed to the middle outer wall of the rotating shaft, the gear is meshed with a rack, and an adjusting knob is connected to the top of the rotating shaft through a support frame.

[0012] Compared with the prior art, the utility model has the following beneficial effects: a replaceable guide roller device for an air jet loom, which uses a worm gear to rotate and drive a threaded cylinder to rotate, thereby driving a screw rod to perform lifting and lowering movements, and the lifting and lowering of the screw rod can drive a support frame to lift and lower, thereby facilitating adjustment of the height of the guide roller and thus adjusting different traction tensions, and adopts a card block and a card slot to engage with each other to achieve installation and fixation of the guide roller, and can be disassembled by twisting an adjusting knob, and the specific contents are as follows:

[0013] The outer wall key of the threaded barrel is connected with a worm wheel, and one side of the movable cavity is connected with a worm through a bearing. The worm and the worm wheel are meshed. A servo motor is connected to the outer wall of one side of the fixed seat. The output end of the servo motor is connected to the worm. The servo motor can drive the worm to rotate, and the rotation of the worm drives the worm wheel to rotate. The rotation of the worm wheel drives the threaded barrel to rotate, thereby driving the screw to move up and down. The lifting of the screw can drive the support frame to move up and down, so as to facilitate the adjustment of the height of the guide roller and thus adjust different traction tensions. The center of the driving cavity is connected with a rotating shaft through a bearing, and the rotating shaft can be moved in the movable cavity through the bearing. The gear is meshed with the rack and the middle outer wall key of the shaft is connected to the gear, the gear is meshed with the rack, the top of the shaft is connected to the adjusting knob through the support frame, and the adjusting knob can be twisted to drive the shaft to rotate during disassembly, the rotation of the shaft drives the gear to rotate, the rotation of the gear drives the rack to move, and the movement of the rack drives the connecting plate and the block to move toward one side of the spring, so that the block moves out of the slot, thereby facilitating the disassembly of the guide roller. When installing, loosen the adjusting knob, and the rebound force of the spring pushes the connecting plate and the block to move in the direction of the guide roller, so that the block engages with the slot, thereby realizing the installation and fixation of the guide roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of a replaceable guide roller device for an air jet loom according to the utility model;

[0015] Figure 2 This is a schematic diagram of the front view structure of a replaceable guide roller device for an air jet loom according to the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of a replaceable guide roller device of an air jet loom according to the utility model;

[0017] Figure 4 The utility model is a schematic diagram of the guide roller structure of a replaceable guide roller device of an air jet loom.

[0018] In the figure: 1. fixed seat; 2. fixed cylinder; 3. support frame; 4. movable cavity; 5. threaded cylinder; 6. screw; 7. worm gear; 8. worm; 81. servo motor; 9. stabilizing block; 10. guide roller; 11. stabilizing channel; 12. slot; 13. driving cavity; 14. connecting plate; 15. block; 16. spring; 17. rack; 18. rotating shaft; 19. gear; 20. adjusting knob. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 - Figure 4 The utility model provides a technical solution: a replaceable guide roller device for an air jet loom, comprising a fixed seat 1, a fixed cylinder 2 and a support frame 3. Both sides of the top of the fixed seat 1 are connected with the fixed cylinder 2 by fixing bolts. The fixed cylinder 2 plays a supporting and limiting role. The support frame 3 is embedded in the top inner wall of the fixed cylinder 2. The support frame 3 plays the role of supporting the guide roller 10. At the same time, the support frame 3 can slide up and down inside the fixed cylinder 2. A movable cavity 4 is arranged in the middle of the fixed seat 1. The inner walls of the bottom of both sides of the movable cavity 4 are connected with threaded cylinders 5 through bearings. The top of the threaded cylinder 5 passes through the movable cavity 4 and extends to the inside of the fixed cylinder 2. The top of the threaded cylinder 5 is threadedly connected with a screw rod 6. The end of the screw rod 6 away from the threaded cylinder 5 is connected to the support frame 3 by fixing bolts. The rotation of the threaded cylinder 5 can drive the screw rod 6 to move up and down. The lifting of the screw rod 6 can drive the support frame 3 to move up and down, so as to facilitate the adjustment of the height of the guide roller 10 and thus adjust different traction tensions.

[0021] The outer wall key of the threaded barrel 5 is connected to a worm wheel 7, and one side of the movable chamber 4 is connected to a worm 8 through a bearing. The worm 8 and the worm wheel 7 are meshed with each other. A servo motor 81 is connected to the outer wall of one side of the fixed seat 1, and the output end of the servo motor 81 is connected to the worm 8. The servo motor 81 can drive the worm 8 to rotate, and the rotation of the worm 8 drives the worm wheel 7 to rotate. The rotation of the worm wheel 7 drives the threaded barrel 5 to rotate, thereby driving the screw 6 to move up and down. The lifting of the screw 6 can drive the support frame 3 to move up and down, thereby facilitating the adjustment of the height of the guide roller 10 and thereby adjusting different traction tensions.

[0022] The tops of the two groups of support frames 3 on the opposite sides are provided with stabilizing blocks 9, which play a fixing role. The middle parts of the two groups of support frames 3 are provided with guide rollers 10, and the centers of the two sides of the guide rollers 10 are provided with stabilizing channels 11. The stabilizing blocks 9 are embedded in the stabilizing channels 11, and the stabilizing channels 11 cooperate with the stabilizing blocks 9 to perform the initial fixing and installation of the guide rollers 10 and the support frames 3. Card grooves 12 are provided on both sides of the stabilizing channels 11, and the card grooves 12 play a carding role.

[0023] A driving cavity 13 is provided at the top center of the two groups of support frames 3, and a connecting plate 14 is provided on one side of the driving cavity 13. The connecting plate 14 plays a connecting role. A card block 15 is arranged on one side of the connecting plate 14. The end of the card block 15 away from the connecting plate 14 passes through the support frame 3 and is embedded in the card groove 12. The card block 15 is engaged with the card groove 12 to achieve the fixed installation of the guide roller 10.

[0024] A spring 16 is arranged on one side of the connecting plate 14 away from the block 15 . The spring 16 contracts and rebounds under pressure. One end of the spring 16 away from the connecting plate 14 abuts against the inner wall of the driving cavity 13 . A rack 17 is connected to the center of the side of the connecting plate 14 away from the block 15 .

[0025] A rotating shaft 18 is connected to the center of the driving cavity 13 through a bearing. The rotating shaft 18 can rotate in the movable cavity 13 through the bearing. A gear 19 is connected to the middle outer wall key of the rotating shaft 18. The gear 19 is meshed with the rack 17. The top of the rotating shaft 18 is connected with an adjusting knob 20 through the support frame 3. When disassembling, the adjusting knob 20 can be twisted to drive the rotating shaft 18 to rotate. The rotation of the rotating shaft 18 drives the gear 19 to rotate. The rotation of the gear 19 drives the rack 17 to move. The movement of the rack 17 drives the connecting plate 14 and the block 15 to move toward the side of the spring 16, so that the block 15 moves out of the slot 12, thereby facilitating the disassembly of the guide roller 10. When installing, after loosening the adjusting knob 20, the rebound force of the spring 16 pushes the connecting plate 14 and the block 15 to move in the direction of the guide roller 10, so that the block 15 is engaged with the slot 12, thereby realizing the installation and fixation of the guide roller 10.

[0026] Working principle: When using a replaceable guide roller device for an air jet loom, the fixing seat 1 is fixedly installed on one side of the air jet loom, and the guide roller 10 is used to guide the yarn of the air jet loom. When disassembling, the adjusting knob 20 can be twisted to drive the rotating shaft 18 to rotate, and the rotation of the rotating shaft 18 drives the gear 19 to rotate, and the rotation of the gear 19 drives the rack 17 to move, and the movement of the rack 17 drives the connecting plate 14 and the card block 15 to move toward the side of the spring 16, so that the card block 15 moves out of the card slot 12, thereby facilitating the disassembly of the guide roller 10. When installing, the adjusting knob 20 is loosened, and the connecting plate 14 and the card block are pushed due to the rebound force of the spring 16. The block 15 moves toward the guide roller 10 so that the block 15 engages with the slot 12 to achieve the installation and fixation of the guide roller 10. The stabilizing channel 11 cooperates with the stabilizing block 9 to perform the initial fixed installation of the guide roller 10 and the support frame 3. Slots 12 are provided on both sides of the stabilizing channel 11. The slots 12 play a locking role. The servo motor 81 can drive the worm 8 to rotate, and the rotation of the worm 8 drives the worm wheel 7 to rotate. The rotation of the worm wheel 7 drives the threaded barrel 5 to rotate, thereby driving the screw 6 to move up and down. The lifting of the screw 6 can drive the support frame 3 to move up and down, thereby facilitating the adjustment of the height of the guide roller 10 and thus adjusting different traction tensions.

Claims

1. A replaceable guide roller device for an air jet loom, comprising a fixing seat (1), a fixing cylinder (2) and a supporting frame (3), characterized in that: Both sides of the top of the fixing seat (1) are connected to the fixing cylinder (2) via fixing bolts, the support frame (3) is embedded in the top inner wall of the fixing cylinder (2), a movable cavity (4) is provided in the middle of the fixing seat (1), both sides of the bottom inner walls of the movable cavity (4) are connected to threaded cylinders (5) via bearings, the top of the threaded cylinder (5) passes through the movable cavity (4) and extends to the inside of the fixing cylinder (2), the top of the threaded cylinder (5) is threadedly connected to a screw rod (6), and one end of the screw rod (6) away from the threaded cylinder (5) is connected to the support frame (3) via fixing bolts.

2. A replaceable guide roller device for an air jet loom according to claim 1, characterized in that: The outer wall of the threaded barrel (5) is keyed to a worm wheel (7); one side of the movable chamber (4) is connected to a worm (8) via a bearing; the worm (8) is meshed with the worm wheel (7); one side of the outer wall of the fixed seat (1) is connected to a servo motor (81); the output end of the servo motor (81) is connected to the worm (8).

3. The replaceable guide roller device for an air jet loom according to claim 1, characterized in that: A stabilizing block (9) is provided at the top of one side opposite to the other of the two groups of support frames (3), a guide roller (10) is provided in the middle of the two groups of support frames (3), stabilizing channels (11) are provided at the center of both sides of the guide roller (10), the stabilizing block (9) is embedded in the stabilizing channel (11), and a card slot (12) is provided on both sides of the stabilizing channel (11).

4. The replaceable guide roller device for an air jet loom according to claim 3, characterized in that: A driving cavity (13) is provided at the top center of the two groups of support frames (3), a connecting plate (14) is provided on one side of the driving cavity (13), a clamping block (15) is arranged on one side of the connecting plate (14), and an end of the clamping block (15) away from the connecting plate (14) passes through the support frame (3) and is embedded in the clamping groove (12).

5. The replaceable guide roller device for an air jet loom according to claim 4, characterized in that: A spring (16) is arranged on one side of the connecting plate (14) away from the clamping block (15); one end of the spring (16) away from the connecting plate (14) abuts against the inner wall of the driving cavity (13); and a rack (17) is connected to the center of the side of the connecting plate (14) away from the clamping block (15).

6. The replaceable guide roller device for an air jet loom according to claim 5, characterized in that: A rotating shaft (18) is connected to the center of the driving chamber (13) via a bearing, a gear (19) is keyed to the middle outer wall of the rotating shaft (18), the gear (19) is meshed with the rack (17), and the top of the rotating shaft (18) passes through the support frame (3) and is connected to an adjusting knob (20).

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