High-precision positioning mechanism of water-jet loom

Abstract

The utility model discloses a high-precision positioning mechanism of a water-jet loom, which belongs to the technical field of textile machinery and comprises a support frame, a support rotating shaft is sleeved at the bottom inside the support frame through a bearing A, a threaded rod is fixedly connected at the top end of the support rotating shaft, and a connecting rod is fixedly connected at the top end of the threaded rod. The top end of the connecting rod is fixedly connected with a driven gear, and the top of the supporting frame is sleeved with a connecting rotating shaft through a bearing B. The high-precision positioning mechanism of the water-jet loom has the advantages that the driven gear meshed with the driving gear can be driven to rotate through rotation of the driving gear, and therefore the connecting rod and the threaded rod are driven to rotate; according to the weft yarn tensioning device, the thread sleeve, the mounting block and the tensioning wheel can be driven to ascend and descend, the weft yarn can be tensioned and adjusted, the diameter size of the driving gear is set to be smaller than that of the driven gear, driving force can be reduced, and meanwhile driving accuracy is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of textile machinery, and more specifically, to a high-precision positioning mechanism for a water jet loom. Background Art

[0002] The water jet loom is a shuttleless loom that uses a jet of water to pull the weft yarn through the shed. The frictional traction of the water jet weft insertion on the weft yarn is greater than that of the air jet weft insertion, and the diffusion is small. It is suitable for the weft insertion of smooth-surfaced synthetic fibers, glass fibers and other filaments. In order to ensure the use effect of the water jet loom, a corresponding positioning mechanism is often required.

[0003] However, most existing positioning mechanisms have problems such as poor adjustment flexibility, relatively low safety and poor accuracy. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a high-precision positioning mechanism for a water jet loom, which has the characteristics of high adjustment flexibility, good safety and high accuracy.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides a high-precision positioning mechanism for a water jet loom, comprising a support frame, a support shaft is sleeved on the bottom of the support frame through a bearing A, a threaded rod is fixedly connected to the top of the support shaft, a connecting rod is fixedly connected to the top of the threaded rod, a driven gear is fixedly connected to the top of the connecting rod, a connecting shaft is sleeved on the top of the support frame through a bearing B, a driving gear is fixedly connected to the top of the connecting shaft, the diameter of the driving gear is smaller than the diameter of the driven gear, the driving gear and the driven gear are meshed with each other, a threaded sleeve is threadedly connected to the surface of the threaded rod, a mounting block is fixedly connected to one side of the threaded sleeve, a tensioning wheel is rotatably arranged on the surface of the mounting block, a connecting frame is fixedly connected to the surface of the support frame, a fixed frame is fixedly connected to one side of the connecting frame, a supporting wheel is rotatably arranged on the surface of the fixed frame, an electric push rod is arranged on the top of the support frame, an adjustment frame is arranged at the bottom of the electric push rod, a support assembly is arranged between the adjustment frame and the fixed frame, and a guide tube is arranged inside the adjustment frame.

[0008] When a high-precision positioning mechanism of a water jet loom of the present technical solution is used, the driving gear is rotated to drive the driven gear meshing with the driving gear to rotate, thereby driving the connecting rod and the threaded rod to rotate. The threaded sleeve, the mounting block and the tensioning wheel can be driven to rise and fall through the rotation of the threaded rod, and the tension of the weft yarn can be adjusted. By setting the diameter of the driving gear smaller than the diameter of the driven gear, the driving force can be reduced and the driving accuracy can be guaranteed. The electric push rod can drive the adjustment frame and the guide tube to rise and fall, and the position of the guide tube can be flexibly adjusted, which can further ensure the positioning accuracy. By setting a support component, the adjustment frame can be limited and supported to ensure the stability and safety of the adjustment frame during lifting and moving.

[0009] Furthermore, a handle is fixedly connected to the top of the driving gear.

[0010] Furthermore, the support assembly includes a support slide groove, the support slide groove is arranged inside the fixing frame, a support slider is slidably connected in the support slide groove, and the support slider is fixedly connected to one side of the adjustment frame.

[0011] Furthermore, a connecting sleeve is provided on the top of the support frame, and the connecting rod is sleeved inside the connecting sleeve.

[0012] Furthermore, a limit nut is threadedly connected to the surface of the threaded rod, and the limit nut is arranged at the bottom position of the threaded sleeve.

[0013] Furthermore, a limiting sliding groove is provided inside the support frame, a limiting sliding block is slidably connected in the limiting sliding groove, and the limiting sliding block is fixedly connected to one side of the threaded sleeve.

[0014] (III) Beneficial effects

[0015] In summary, the utility model has the following beneficial effects:

[0016] 1. The driving gear rotates to drive the driven gear meshing with the driving gear to rotate, thereby driving the connecting rod and the threaded rod to rotate. The threaded sleeve, the mounting block and the tensioning wheel can be raised and lowered by the rotation of the threaded rod, and the tension of the weft yarn can be adjusted. By setting the diameter of the driving gear smaller than that of the driven gear, the driving force can be reduced, while ensuring the driving accuracy;

[0017] 2. The electric push rod can drive the adjustment frame and the guide tube to rise and fall, which can facilitate the flexible adjustment of the position of the guide tube and further ensure the positioning accuracy. By setting the support component, the adjustment frame can be limited and supported to ensure the stability and safety of the adjustment frame during lifting and moving. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0020] Figure 2 It is a side cross-sectional structural schematic diagram of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the support assembly in the utility model.

[0022] The symbols in the accompanying drawings are:

[0023] 1. Support frame; 2. Connecting frame; 3. Fixed frame; 4. Support assembly; 401. Support slide; 402. Support slider; 5. Guide tube; 6. Adjustment frame; 7. Support wheel; 8. Support shaft; 9. Tensioning wheel; 10. Mounting block; 11. Handle; 12. Driving gear; 13. Connecting shaft; 14. Driven gear; 15. Connecting rod; 16. Connecting sleeve; 17. Limiting slide; 18. Limiting slider; 19. Threaded sleeve; 20. Limiting nut; 21. Threaded rod; 22. Electric push rod. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, rather than all styles.

[0025] Example:

[0026] The following is combined with Figure 1-3 The utility model is described in further detail.

[0027] See also Figure 1-3The utility model provides a technical solution: a high-precision positioning mechanism for a water jet loom, comprising a support frame 1, a support shaft 8 is sleeved on the bottom of the support frame 1 through a bearing A, a threaded rod 21 is fixedly connected to the top of the support shaft 8, a connecting rod 15 is fixedly connected to the top of the threaded rod 21, a driven gear 14 is fixedly connected to the top of the connecting rod 15, a connecting shaft 13 is sleeved on the top of the support frame 1 through a bearing B, a driving gear 12 is fixedly connected to the top of the connecting shaft 13, and the driving gear 12 is rotated to drive the driven gear 14 meshing with the driving gear 12 to rotate, thereby driving the connecting rod 15 and the threaded rod 21 to rotate, and the threaded sleeve 19, the mounting block 10 and the tensioning wheel 9 to rise and fall through the rotation of the threaded rod 21, so as to adjust the tension of the weft yarn, and by setting the diameter of the driving gear 12 to be smaller than the diameter of the driven gear 14, the driving force can be reduced, while ensuring the driving accuracy, and the diameter of the driving gear 12 The size is smaller than the diameter of the driven gear 14, the driving gear 12 and the driven gear 14 are meshed with each other, the surface of the threaded rod 21 is threadedly connected with a threaded sleeve 19, one side of the threaded sleeve 19 is fixedly connected to a mounting block 10, and a tensioning wheel 9 is rotatably arranged on the surface of the mounting block 10, the surface of the support frame 1 is fixedly connected to a connecting frame 2, one side of the connecting frame 2 is fixedly connected to a fixing frame 3, and a supporting wheel 7 is rotatably arranged on the surface of the fixing frame 3, an electric push rod 22 is arranged on the top of the support frame 1, and the operation of the electric push rod 22 can drive the adjustment frame 6 and the guide tube 5 to rise and fall, and can facilitate the flexible adjustment of the position of the guide tube 5, and can further ensure the positioning accuracy, an adjustment frame 6 is arranged at the bottom end of the electric push rod 22, and a support assembly 4 is arranged between the adjustment frame 6 and the fixing frame 3, and by setting the support assembly 4, the adjustment frame 6 can be limited and supported to ensure the stability and safety of the adjustment frame 6 during lifting and moving, and a guide tube 5 is arranged inside the adjustment frame 6.

[0028] Specifically, a handle 11 is fixedly connected to the top of the driving gear 12, and the support assembly 4 includes a support slide groove 401, which is opened inside the fixed frame 3, and a support slider 402 is slidably connected in the support slide groove 401, and the support slider 402 is fixedly connected to one side of the adjustment frame 6.

[0029] By adopting the above technical solution and providing the supporting slide groove 401 and the supporting slider 402 , the adjusting frame 6 can be limitedly supported.

[0030] Specifically, a connecting sleeve 16 is provided on the top of the support frame 1 , the connecting rod 15 is sleeved inside the connecting sleeve 16 , a limiting nut 20 is threadedly connected to the surface of the threaded rod 21 , and the limiting nut 20 is arranged at the bottom of the threaded sleeve 19 .

[0031] By adopting the above technical solution, by providing the connecting sleeve 16, the connecting rod 15 can be sleeved and supported, and by providing the limiting nut 20, the threaded sleeve 19 can be limited and supported, which can improve the anti-slip effect.

[0032] Specifically, a limiting sliding groove 17 is provided inside the support frame 1 , a limiting sliding block 18 is slidably connected inside the limiting sliding groove 17 , and the limiting sliding block 18 is fixedly connected to one side of the threaded sleeve 19 .

[0033] By adopting the above technical solution and providing the limiting sliding groove 17 and the limiting sliding block 18, the threaded sleeve 19 can be limitedly supported to ensure the stability of the threaded sleeve 19 during lifting and lowering.

[0034] The working principle of the utility model is:

[0035] When it is necessary to position the weft yarn, the controller can be used to control the electric push rod 22 to work according to the requirements of the loom, so as to drive the adjustment frame 6 and the guide tube 5 to rise and fall, and adjust and control the height of the guide tube 5. At the same time, the handle 11 is turned to drive the driving gear 12 to rotate, thereby driving the driven gear 14 meshing with the driving gear 12 to rotate. Through the rotation of the driven gear 14, the connecting rod 15 and the threaded rod 21 can be driven to rotate, thereby driving the threaded sleeve 19, the mounting block 10 and the tensioning wheel 9 to rise and fall, and cooperate with the support wheel 7 to tension, position and support the weft yarn.

[0036] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A high-precision positioning mechanism for a water jet loom, comprising a support frame (1), characterized in that: The bottom of the support frame (1) is sleeved with a support shaft (8) via a bearing A, the top of the support shaft (8) is fixedly connected to a threaded rod (21), the top of the threaded rod (21) is fixedly connected to a connecting rod (15), the top of the connecting rod (15) is fixedly connected to a driven gear (14), the top of the support frame (1) is sleeved with a connecting shaft (13) via a bearing B, the top of the connecting shaft (13) is fixedly connected to a driving gear (12), and the diameter of the driving gear (12) is smaller than the diameter of the driven gear (14); The driving gear (12) and the driven gear (14) are meshed with each other; a threaded sleeve (19) is threadedly connected to the surface of the threaded rod (21); a mounting block (10) is fixedly connected to one side of the threaded sleeve (19); a tensioning wheel (9) is rotatably arranged on the surface of the mounting block (10); a connecting frame (2) is fixedly connected to the surface of the support frame (1); a fixing frame (3) is fixedly connected to one side of the connecting frame (2); a supporting wheel (7) is rotatably arranged on the surface of the fixing frame (3); an electric push rod (22) is arranged at the top of the support frame (1); an adjusting frame (6) is arranged at the bottom of the electric push rod (22); a supporting assembly (4) is arranged between the adjusting frame (6) and the fixing frame (3); and a guide tube (5) is arranged inside the adjusting frame (6).

2. A high-precision positioning mechanism for a water jet loom according to claim 1, characterized in that: The top of the driving gear (12) is fixedly connected with a handle (11).

3. A high-precision positioning mechanism for a water jet loom according to claim 1, characterized in that: The support assembly (4) comprises a support slide groove (401), wherein the support slide groove (401) is arranged inside the fixed frame (3), a support slider (402) is slidably connected inside the support slide groove (401), and the support slider (402) is fixedly connected to one side of the adjustment frame (6).

4. The high-precision positioning mechanism for a water jet loom according to claim 1, characterized in that: A connecting sleeve (16) is provided on the top of the support frame (1), and the connecting rod (15) is sleeved inside the connecting sleeve (16).

5. The high-precision positioning mechanism for a water jet loom according to claim 1, characterized in that: The surface of the threaded rod (21) is threadedly connected with a limit nut (20), and the limit nut (20) is arranged at the bottom of the threaded sleeve (19).

6. The high-precision positioning mechanism for a water jet loom according to claim 1, characterized in that: A limiting slide groove (17) is provided inside the support frame (1), a limiting slide block (18) is slidably connected inside the limiting slide groove (17), and the limiting slide block (18) is fixedly connected to one side of the threaded sleeve (19).

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