Tension-adjustable gripper shuttle loom

Abstract

The utility model discloses a gripper shuttle loom capable of adjusting tension, and particularly relates to the technical field of textile looms, the gripper shuttle loom comprises a loom main body, L-shaped seats are symmetrically arranged at the top of the loom main body, and one side of each L-shaped seat is in threaded connection with a screw rod. Then a limiting handle is twisted to drive a torsion rod and a clamping block, a rotating shaft and a gear are driven to rotate, two racks are driven to push a connected connecting rod to move towards the opposite outer side, the end, inserted into an inserting hole, of an inserting column is moved out, then a yarn blocking plate is dragged to move left and right on a warp beam to a proper position, and applied force is released; under the elastic force of the first spring and the second spring, the insertion column and the insertion block are reset and inserted into the corresponding insertion hole and the insertion groove respectively, the yarn baffle is fixed, and operation is convenient; through the tensioning assembly, the first rotating rod and the second rotating rod can be synchronously adjusted to move towards the opposite outer sides, so that the tension degree of the yarn can be adjusted according to needs.

Description

Technical Field

[0001] The utility model relates to the technical field of textile looms, in particular to a gripper loom with adjustable tension. Background Art

[0002] Silk screen is the abbreviation of "screen printing". It is to stretch silk fabric, synthetic fiber fabric or metal mesh on the screen frame, and use manual paint film or photochemical plate making method to make the screen printing plate. For example, silk screen will be used in the production process of silk screen mesh; and the projectile loom will be used in the production process of mesh cloth; the projectile loom is a loom that uses a sheet-shaped weft clamp (or projectile shuttle) to introduce the weft yarn into the shed. The projectile loom has a high weft insertion speed, strong adaptability to fabric varieties, can weave wide fabrics, and has low machine noise. The difference between the projectile loom and the general shuttle loom lies in the three parts of weft insertion, weft beating and selvedge.

[0003] The patent with publication number CN212611123U, a shuttle loom with a yarn limiting device, including a loom body and two sets of connecting frames arranged on the loom body, and also including a support seat arranged on the connecting frame, a disc head is rotatably connected between the two support seats, and the disc head includes a warp beam horizontally arranged between the two support seats, a connecting shaft horizontally connected to the two ends of the two warp beams and rotatably connected to the support seats, a threaded portion opened on the outside of the connecting shaft near its two ends, and two sets of yarn blocking plates threadedly connected to the outside of the warp beam. The utility model can limit the yarn according to the width of the required woven fabric, thereby preventing the yarn from shifting during weaving and improving the quality of woven products.

[0004] During use of the above-mentioned shuttle loom, the distance between the two yarn baffles is adjusted by threaded connection between the yarn baffles and the warp shaft to adapt to fabrics of different widths, and the yarn baffles are fixed with connecting tubes and fixing bolts to improve the fixing effect. However, this method is relatively cumbersome to operate, not convenient enough, and has relatively poor practicality. Summary of the invention

[0005] The utility model aims to provide a gripper loom with adjustable tension to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a tensioned shuttle loom, comprising a loom body, an L seat symmetrically arranged on the top of the loom body, a screw rod threadedly connected to one side of the L seat, and a support block rotatably connected to the inner side of the L seat at one end, a slider symmetrically arranged on the bottom of the support block, a slide groove matched with the slider is opened on the bottom of the L seat, a warp shaft is arranged between the support blocks, connecting shafts are connected to both ends of the warp shaft, a bearing is sleeved on the outer side of the connecting shaft, and the bearing is clamped in the clamping groove opened on the top of the support block, a yarn stop plate is symmetrically arranged on the outer side of the warp shaft, and a fixing mechanism connected to the warp shaft is provided in the yarn stop plate, and the loom body A tensioning assembly is provided in front of the inner warp shaft, guide blocks are symmetrically provided on the inner wall of the yarn baffle plate, and rail grooves matching the guide blocks are symmetrically provided on the outer wall of the warp shaft, the fixing mechanism includes a rotating shaft, a concave cavity is opened on one side of the yarn baffle plate, the rotating shaft is rotatably installed in the concave cavity, a gear is sleeved on the outer side of the rotating shaft, racks are symmetrically provided on the outer side of the gear, and the racks are meshed with the gears, connecting rods are symmetrically provided on the outer sides of the two racks in the concave cavity, a plug column is connected to the inner end of the connecting rod, and one end of the plug column is inserted into the socket opened on the side wall of the warp shaft, the inner wall of the concave cavity is symmetrically provided with grooves, a spring 1 is provided in the groove, and one end of the spring 1 is connected to the connecting rod.

[0007] Furthermore, the fixing mechanism also includes a torsion bar, and the torsion bar is symmetrically arranged at the relatively outer sides of the two yarn blocking plates, one end of the torsion bar is inserted into a cavity opened in the rotating shaft, and a limiting groove is symmetrically arranged on the inner wall of the cavity, a blocking block is arranged in the limiting groove, and the blocking block is connected to the torsion bar, and the outer side of one end of the rotating shaft is provided with a limiting handle on the outer sleeve of the yarn blocking plate, and the inner wall of the limiting handle is fixedly connected to the other end of the torsion bar, and the outer side of the torsion bar is provided with a spring two in the limiting handle, and the two ends of the spring two are respectively fixedly connected to the inner wall of the limiting handle and one end of the rotating shaft, and the limiting handle is symmetrically provided with an insertion block near one side wall of the yarn blocking plate, and one end of the insertion block is inserted into the slot opened in the side wall of the yarn blocking plate, and the relatively outer ends of the two racks are respectively fixedly connected to the connecting rod on one side, and the fixing mechanism can be conveniently and quickly adjusted and fixed to the position of the yarn blocking plate, so as to conveniently change the distance between the two yarn blocking plates to adapt to the use of fabrics of different widths, which is more practical.

[0008] Furthermore, the tensioning assembly includes a screw rod, and the inner wall of the loom body is symmetrically provided with two groups of front-to-rear distributed adjusting grooves, the screw rod is rotatably installed in the adjusting groove, a slide seat is sleeved on the outer side of the screw rod, and a rotating rod 1 and a rotating rod 2 are rotatably installed between the two opposite slide seats, and the rotating rod 1 is located behind the rotating rod 2, and the upper end of the screw rod is connected with a bevel gear 1 in a transmission cavity opened in the inner wall of the loom body, a rotating rod is rotatably installed on one side of the loom body, and a bevel gear 2 meshing with the bevel gear 1 is sleeved on the outer wall of the rotating rod in the transmission cavity, and the thread directions of the two screw rods are opposite, and a plurality of limiting rollers are sleeved on the outer walls of the rotating rod 1 and the rotating rod 2. Through the tensioning assembly, the height position distributed up and down between the rotating rod 1 and the rotating rod 2 can be adjusted as needed to adjust the tension of the yarn for better conveying and processing.

[0009] Furthermore, the two racks are distributed in a circumferentially equidistant array, the rotating shaft is rotatably connected to the yarn baffle plate via a bearing, and the distance between the connecting rod and the inner wall of the concave cavity is greater than the length of the plug-in column located on the inner side of the yarn baffle plate, so as to ensure that when the connecting rod moves the maximum distance, the plug-in column is moved out at the inner end of the yarn baffle plate.

[0010] Furthermore, a handle is connected to one end of the limit handle, the insert blocks are arranged in an equidistant array around the circumference, the yarn blocking plate is rotatably installed with a disc relative to the inner wall, and a soft protective layer is provided on one side of the disc to drive the yarn to rotate slightly and reduce yarn wear.

[0011] Furthermore, the screw rod and the rotating rod are both rotatably connected to the loom body through bearings, the two bevel gears 2 are located on the same side of the bevel gear 1, and the rotating rod is located on the outside of the loom body and is connected to a handle at one end to ensure that the rotation directions of the two screw rods are consistent, thereby synchronously adjusting the height positions of rotating rod 1 and rotating rod 2.

[0012] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0013] 1. The utility model uses a fixing mechanism, which can drive the torsion bar and the block to move by pulling the limit handle, so that the plug block moves out of the slot, and then twist the limit handle to drive the torsion bar and the block, thereby driving the rotating shaft to rotate, driving the gear to drive the two racks to push the connected connecting rod to move relatively outward, so that the plug column is inserted into the plug hole and one end is moved out, and the yarn blocking plate can be dragged left and right on the warp shaft to a suitable position, and the applied force is released. Under the elastic force of the first spring and the second spring, the plug column and the plug block are reset, and are respectively inserted into the corresponding plug hole and slot, so as to complete the fixing of the yarn blocking plate, which is easy to operate and more practical.

[0014] 2. The utility model can synchronously adjust the rotating rod 1 and the rotating rod 2 to move toward the relative outer sides through the tensioning assembly, so as to adjust the tension of the yarn as needed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a partial structural schematic diagram of the screw rod, the slide seat, the rotating rod and the loom body of the utility model;

[0018] Figure 3 It is a schematic diagram of the local structure between the yarn blocking plate, the rotating shaft and the limiting handle of the utility model;

[0019] Figure 4 This utility model Figure 3 A is a schematic diagram of the enlarged structure of the middle part;

[0020] Figure 5 It is a schematic diagram of the structure between the rack, the connecting rod, the plug post and the yarn blocking plate of the utility model;

[0021] In the figure: 1. loom body; 2. L seat; 3. screw rod; 4. support block; 5. connecting shaft; 6. warp beam; 7. yarn stop plate; 8. guide block; 9. rotating shaft; 10. gear; 11. rack; 12. connecting rod; 13. spring 1; 14. plug column; 15. torsion bar; 16. block; 17. limit handle; 18. spring 2; 19. plug block; 20. rotating rod 1; 21. rotating rod 2; 22. limit roller; 23. screw rod; 24. slide seat; 25. bevel gear 1; 26. rotating rod; 27. bevel gear 2. DETAILED DESCRIPTION

[0022] 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.

[0023] like Figure 1 - Figure 5The shown embodiment is a kind of adjustable tensioning shuttle loom, comprising a loom body 1, an L seat 2 is symmetrically arranged on the top of the loom body 1, a screw rod 3 is threadedly connected to one side of the L seat 2, and one end of the screw rod 3 is rotatably connected to a support block 4 on the inner side of the L seat 2, a slider is symmetrically arranged on the bottom of the support block 4, a slide groove adapted to the slider is opened on the inner bottom of the L seat 2, a warp shaft 6 is arranged between the support blocks 4, connecting shafts 5 are connected to both ends of the warp shaft 6, bearings are sleeved on the outer side of the connecting shaft 5, and the bearings are clamped in the clamping grooves opened on the top of the support blocks 4. In this example, the yarn is wound on the warp shaft 6, and the loom body 1 pulls the yarn so that the yarn drives the warp shaft 6 to rotate; yarn blocking plates 7 are symmetrically arranged on the outer side of the warp shaft 6, and a fixing mechanism connected to the warp shaft 6 is arranged inside the yarn blocking plate 7. A tensioning assembly is provided in front of the warp shaft 6 inside the main body 1, a guide block 8 is symmetrically provided on the inner wall of the yarn baffle plate 7, and a track groove matched with the guide block 8 is symmetrically provided on the outer wall of the warp shaft 6, the fixing mechanism includes a rotating shaft 9, a concave cavity is opened on one side of the yarn baffle plate 7, the rotating shaft 9 is rotatably installed in the concave cavity, a gear 10 is sleeved on the outer side of the rotating shaft 9, a rack 11 is symmetrically provided on the outer side of the gear 10, and the rack 11 is meshed with the gear 10, and connecting rods 12 are symmetrically provided on the outer sides of the two racks 11 in the concave cavity, a plug column 14 is connected to the inner end of the connecting rod 12, and one end of the plug column 14 is inserted into the socket opened on the side wall of the warp shaft 6, the inner wall of the concave cavity is symmetrically provided with grooves, a spring 13 is provided in the groove, and one end of the spring 13 is connected to the connecting rod 12.

[0024] In this example, the fixing mechanism also includes a torsion bar 15, and the torsion bar 15 is symmetrically arranged on the relatively outer sides of the two yarn blocking plates 7. One end of the torsion bar 15 is inserted into the chamber opened in the rotating shaft 9, and the inner wall of the chamber is symmetrically provided with a limiting groove, and a clamping block 16 is provided in the limiting groove, and the clamping block 16 is connected to the torsion bar 15. A limiting handle 17 is provided on the outer side of one end of the rotating shaft 9 on the outer sleeve of the yarn blocking plate 7, and the inner wall of the limiting handle 17 is fixedly connected to the other end of the torsion bar 15. A spring 18 is provided on the outer side of the torsion bar 15 in the limiting handle 17, and the two ends of the spring 18 are respectively fixedly connected to the inner wall of the limiting handle 17 and one end of the rotating shaft 9. The limiting handle 17 Plug blocks 19 are symmetrically provided on one side wall near the yarn baffle plate 7, and one end of the plug block 19 is inserted into a slot provided on the side wall of the yarn baffle plate 7, and the relatively outer ends of the two racks 11 are fixedly connected to the connecting rod 12 on one side. In this example, the elastic force of spring 13 is greater than the elastic force of spring 2 18, so that when the connecting rod 12 is reset under the elastic force of spring 13, it can drive the limiting handle 17 and the plug block 19 to reset. Through the fixing mechanism, the position of the yarn baffle plate 7 can be adjusted and fixed conveniently and quickly, and the distance between the two yarn baffle plates 7 can be conveniently changed to adapt to fabrics of different widths, which is more practical. In this example, the tensioning assembly includes a screw rod 23. The inner wall of the loom body 1 is symmetrically provided with two groups of front-to-back distributed adjustment grooves. The screw rod 23 is rotatably installed in the adjustment groove. A slide seat 24 is sleeved on the outer side of the screw rod 23. A rotating rod 20 and a rotating rod 21 are rotatably installed between the two opposite slide seats 24, and the rotating rod 20 is located behind the rotating rod 21. The upper end of the screw rod 23 is connected with a bevel gear 1 25 in a transmission cavity opened in the inner wall of the loom body 1. A rotating rod 26 is rotatably installed on one side of the loom body 1, and a bevel gear 27 meshing with the bevel gear 1 25 is sleeved on the outer wall of the rotating rod 26 in the transmission cavity. The thread directions of the two screw rods 23 are opposite. The outer walls of the rotating rod 1 20 and the rotating rod 21 are sleeved with a plurality of limiting rollers 22. Through the tensioning assembly, the height position distributed up and down between the rotating rod 1 20 and the rotating rod 21 can be adjusted as needed to adjust the tension of the yarn for better conveying and processing. In this example, the two racks 11 are arranged in a circular equidistant array, the rotating shaft 9 is rotatably connected to the yarn stop plate 7 through a bearing, and the distance between the connecting rod 12 and the inner wall of the concave cavity is greater than the length of the plug 14 located on the inner side of the yarn stop plate 7, so as to ensure that when the connecting rod 12 moves the maximum distance, the plug 14 is located at the inner end of the yarn stop plate 7 and moves out. In this example, a handle is connected to one end of the limit handle 17, and the plug block 19 is arranged in a circular equidistant array. The yarn stop plate 7 is rotatably installed with a disc relative to the inner wall, and a soft protective layer is provided on one side of the disc, so as to drive the disc to rotate slightly with the yarn to reduce the wear of the yarn. In this example, the screw rod 23 and the rotating rod 26 are both rotatably connected to the loom body 1 through bearings, and the two bevel gears 27 are located on the same side of the bevel gear 1 25. The rotating rod 26 is located on the outer side of the loom body 1. The end is connected with a handle to ensure that the rotation direction of the two screw rods 23 is consistent, so as to synchronously adjust the height position of the rotating rod 1 20 and the rotating rod 21.

[0025] The working principle of the utility model is as follows: when in use, the screw rod 3 is first twisted according to the length of the warp beam 6 to push or pull the support block 4 to move, so as to change the distance between the two support blocks 4 to make it adapt to the length of the warp beam 6; and when the loom body 1 needs to weave fabrics of different widths, the distance between the two yarn blocking plates 7 is adjusted according to its width requirements, and the limit handle 17 is pulled by pulling the handle to pull the torsion bar 15, so that the torsion bar 15 drives the card block 16 to slide in the limit groove, and at the same time the limit handle 17 will cooperate with the rotating shaft 9 to stretch the spring 2 18, and the limit handle 17 will drive the plug block 19 to move out of the slot, and then the handle is twisted, so as to The limiting handle 17 drives the torsion bar 15 to rotate synchronously, and cooperates with the card block 16 and the limiting groove opened in the rotating shaft 9 to transmit power to drive the rotating shaft 9 to rotate synchronously, thereby driving the gear 10 to rotate, so that the gear 10 drives the two racks 11 meshing with it to move, and the rack 11 drives the connecting rod 12 connected on one side to move, so that the two connecting rods 12 drive the two plug posts 14 connected below to move in the relative outward direction, and at the same time the connecting rod 12 will squeeze the spring 13 until one end of the plug post 14 inserted into the socket is completely removed, and then the yarn stop plate 7 can be dragged to slide left and right on the warp shaft 6 to adjust the position of the yarn stop plate 7 according to the actual situation. When the yarn blocking plate 7 needs to be moved to the appropriate position, the force applied to the handle is released, so that the connecting rod 12 is reset under the elastic force of spring 13, and the connecting rod 12 drives the plug post 14 and the rack 11 to reset, and the rack 11 drives the gear 10 to drive the rotating shaft 9 to rotate. At the same time, the limiting handle 17 is reset under the elastic force of spring 2 18, so that one end of the plug block 19 contacts the yarn blocking plate 7, and under the drive of the rotating shaft 9, the limiting handle 17 drives the plug block 19 to rotate synchronously, until the plug block 19 corresponds to the slot, and the plug block 19 is inserted into the corresponding slot under the elastic force of spring 2 18, thereby realizing the restriction and fixation of the rotating shaft 9. This prevents the connecting rod 12 from driving the rack 11 to move the driving gear 10 due to the centrifugal force during use, thereby affecting the fixing effect of the yarn blocking plate 7; when the tension of the yarn needs to be adjusted, the handle can be twisted to drive the rotating rod 26 to rotate, so that the rotating rod 26 drives the bevel gear 27 to drive the bevel gear 1 25 meshing with it to rotate, and then drives the two screw rods 23 to rotate synchronously, so that the two screw rods 23 respectively drive the slide 24 to drive the rotating rod 1 20 and the rotating rod 21 to move in the relative outward directions, so that the yarn passing through the limiting roller 22 can be pushed to adjust the tension, which is convenient to use and more practical.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A gripper loom with adjustable tension, comprising a loom body (1), wherein an L seat (2) is symmetrically arranged on the top of the loom body (1), a screw rod (3) is threadedly connected to one side of the L seat (2), and one end of the screw rod (3) is rotatably connected to a support block (4) inside the L seat (2), a slider is symmetrically arranged on the bottom of the support block (4), a slide groove adapted to the slider is opened on the inner bottom of the L seat (2), a warp beam (6) is arranged between the support blocks (4), and both ends of the warp beam (6) are connected to a connecting shaft (5), a bearing is sleeved on the outer side of the connecting shaft (5), and the bearing is clamped in a clamping groove opened on the top of the support block (4), characterized in that: The warp beam (6) is symmetrically provided with a yarn blocking plate (7), and a fixing mechanism connected to the warp beam (6) is provided inside the yarn blocking plate (7). A tensioning assembly is provided in front of the warp beam (6) inside the loom body (1). The inner wall of the yarn blocking plate (7) is symmetrically provided with a guide block (8), and the outer wall of the warp beam (6) is symmetrically provided with a track groove adapted to the guide block (8). The fixing mechanism comprises a rotating shaft (9). A concave cavity is provided on one side of the yarn blocking plate (7). The rotating shaft (9) is rotatably installed in the concave cavity. The outer side of the rotating shaft (9) is sleeved with a gear. The gear (10) is symmetrically provided with a rack (11) on the outer side of the gear (10), and the rack (11) is meshed with the gear (10); a connecting rod (12) is symmetrically provided on the outer side of the two racks (11) in the concave cavity; a plug post (14) is connected to the inner end of the connecting rod (12), and one end of the plug post (14) is inserted into a socket opened on the side wall of the shaft (6); a groove is symmetrically opened on the inner wall of the concave cavity, a spring (13) is provided in the groove, and one end of the spring (13) is connected to the connecting rod (12).

2. The gripper loom with adjustable tension according to claim 1, characterized in that: The fixing mechanism also includes a torsion bar (15), and the torsion bar (15) is symmetrically arranged on the relatively outer sides of the two yarn blocking plates (7), one end of the torsion bar (15) is inserted into a cavity provided in the rotating shaft (9), and the inner wall of the cavity is symmetrically provided with a limiting groove, and a clamping block (16) is provided in the limiting groove, and the clamping block (16) is connected to the torsion bar (15), and a limiting handle (17) is provided on the outer side of one end of the rotating shaft (9) on the outer sleeve of the yarn blocking plate (7), and the inner wall of the limiting handle (17) is connected to the torsion bar (15). One end is fixedly connected, the outer side of the torsion bar (15) is provided with a second spring (18) in the limit handle (17), and the two ends of the second spring (18) are respectively fixedly connected to the inner wall of the limit handle (17) and one end of the rotating shaft (9), the limit handle (17) is symmetrically provided with an insertion block (19) on one side wall close to the yarn blocking plate (7), and one end of the insertion block (19) is inserted into a slot provided on the side wall of the yarn blocking plate (7), and the opposite outer ends of the two racks (11) are respectively fixedly connected to the connecting rod (12) on one side.

3. The gripper loom with adjustable tension according to claim 1, characterized in that: The tensioning assembly comprises a screw rod (23). The inner wall of the loom body (1) is symmetrically provided with two groups of adjustment grooves distributed front and back. The screw rod (23) is rotatably installed in the adjustment groove. A slide seat (24) is sleeved on the outer side of the screw rod (23). A rotating rod 1 (20) and a rotating rod 2 (21) are rotatably installed between the two opposite slide seats (24), and the rotating rod 1 (20) is located behind the rotating rod 2 (21). The upper end of the screw rod (23) is connected to a bevel gear 1 (25) in a transmission cavity provided in the inner wall of the loom body (1). A rotating rod (26) is rotatably installed on one side of the loom body (1), and a bevel gear 2 (27) meshing with the bevel gear 1 (25) is sleeved on the outer wall of the rotating rod (26) in the transmission cavity. The thread directions of the two screw rods (23) are opposite. The outer walls of the rotating rod 1 (20) and the rotating rod 2 (21) are sleeved with a plurality of limiting rollers (22).

4. The tension-adjustable gripper loom according to claim 2, characterized in that: The two racks (11) are arranged in a circumferentially equidistant array, the rotating shaft (9) is rotatably connected to the yarn blocking plate (7) via a bearing, and the distance between the connecting rod (12) and the inner wall of the concave cavity is greater than the length of the plug post (14) located on the inner side of the yarn blocking plate (7).

5. The tension-adjustable gripper loom according to claim 2, characterized in that: One end of the limit handle (17) is connected to a handle, the insert blocks (19) are arranged in an array with equal distances around the circumference, the yarn blocking plate (7) is rotatably mounted with a disc relative to the inner wall, and a soft protective layer is provided on one side of the disc.

6. The tension-adjustable gripper loom according to claim 3, characterized in that: The screw rod (23) and the rotating rod (26) are both rotatably connected to the loom body (1) via bearings; the two bevel gears (27) are located on the same side of the bevel gear (25); and one end of the rotating rod (26) located outside the loom body (1) is connected to a handle.

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