Cotton yarn diameter on-line detector

Abstract

The utility model discloses a cotton yarn diameter on-line detector, which comprises a lower detection box, a curling disc and a sleeve plate, mounting plates are symmetrically welded on two side walls of the lower detection box, a bearing frame is welded on the top surface of each mounting plate, a winding and unwinding rotating shaft is mounted on each bearing frame, one end of each winding and unwinding rotating shaft is fixedly provided with the curling disc, and the other end of each winding and unwinding rotating shaft is fixedly provided with the sleeve plate. One end of the winding and unwinding rotating shaft on one side is connected with the output end of a servo motor, a transmission belt is connected between the two transmission wheels in a sleeving mode, a vertical sliding groove is formed in one side of the curling disc, a bidirectional lead screw is installed in the vertical sliding groove, and vertical sliding blocks are symmetrically installed in the vertical sliding groove in a clamped and embedded mode; a first lead screw sleeve is fixedly installed in the vertical sliding block and matched with the two-way lead screw. The winding device has the advantages that one motor can be used for driving the two winding discs to rotate synchronously, the winding discs can be suitable for being installed and used on bobbins with different diameters, the application range is wider, and practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of cotton yarn diameter detection, in particular to an online cotton yarn diameter detector. Background Art

[0002] Cotton yarn is a yarn made from cotton fiber through a spinning process. After being plied together, it is called cotton thread. Cotton yarn has a wide range of uses. It can be used as weaving yarn, such as bed sheets, quilt covers, curtains and other home textile series. It can also be used as knitting yarn. Combed yarn, in particular, can be used to produce textiles with higher quality requirements, such as high-end sweatshirts and fine poplin. The thickness of cotton yarn has a great influence on the processing purpose of cotton yarn, so it is necessary to test the diameter of cotton yarn.

[0003] The prior art discloses a cotton yarn thickness detection device with application number: CN202122951331.1. When in use, the above utility model utilizes a set winding disk to reel in and release the cotton yarn coil for detection. The cotton yarn generally used for detection is wound on a bobbin, and the bobbin is placed on the winding disk for reeling in and release before detection. However, the two winding disks of this structure cannot be installed, fixed and detected for bobbins of different diameters. The scope of application is small, and the two winding disks require corresponding drive motors to drive, which increases the processing and manufacturing cost of the device, and its practicality is relatively general. In response to the shortcomings of the utility model, technical personnel in this field have proposed an online cotton yarn diameter detector. Utility Model Content

[0004] (1) Technical problems solved

[0005] In response to the shortcomings of the existing technology, the utility model provides an online detector for cotton yarn diameter, which can use one motor to drive two winding disks to rotate synchronously, and can make the winding disks suitable for installation and use on bobbins of different diameters. It has the advantages of wider applicability and greater practicality, thereby solving the problems in the above-mentioned background technology.

[0006] (2) Technical solution

[0007] In order to achieve the above advantages that one motor can be used to drive the two winding disks to rotate synchronously, and the winding disk can be suitable for installation and use of bobbins of different diameters, with a wider range of applications and stronger practicality, the specific technical scheme adopted by the utility model is as follows: an online detector for cotton yarn diameter, comprising a lower detection box, a winding disk and a sleeve plate, the side walls of the lower detection box are symmetrically welded with mounting plates, and the top surface of the mounting plate is welded with a bearing frame, and a retractable shaft is installed on the bearing frame, one end of the retractable shaft is fixedly mounted with a winding disk, and the other end of the retractable shaft is fixedly mounted with a transmission wheel, one end of the retractable shaft is connected to the output end of the servo motor, and a transmission belt is sleeved between the two transmission wheels, the A vertical slide groove is provided on one side of the winding disk, and a two-way screw is installed in the vertical slide groove, a vertical slider is symmetrically embedded in the vertical slide groove, and a first screw sleeve is fixedly installed in the vertical slider, and the first screw sleeve cooperates with the two-way screw, a horizontal slide groove is provided on the winding disk, and an adjusting screw is symmetrically installed in the horizontal slide groove, a horizontal slide groove is symmetrically embedded in the horizontal slide groove, and a second screw sleeve is fixedly installed in the horizontal slider, and the second screw sleeve cooperates with the adjusting screw, a first bevel gear is fixedly installed on the two-way screw, and a second bevel gear is fixedly installed at one end opposite to the two adjusting screws, and the second bevel gear and the first bevel gear are meshed with each other, and a sleeve plate is welded on one side of the vertical slider and the horizontal slider.

[0008] Furthermore, a plurality of photoelectric diameter detectors are installed in parallel in the inner cavity of the lower detection box, and a display screen penetrating the side wall of the lower detection box is installed on one side of the photoelectric diameter detector.

[0009] Furthermore, an upper inspection box is arranged directly above the lower inspection box, and the lower inspection box and the upper inspection box are symmetrically provided with wire entry and exit holes at opposite ends, and a mounting blind groove is provided on one side of the wire entry and exit holes, and a number of springs are evenly installed in the mounting blind groove, and the movable end of the spring is connected to a mounting frame, and a tensioning roller is installed on the mounting frame.

[0010] Furthermore, a threaded rod is installed at one corner of the inner cavity of the lower detection box, and an opening and closing knob is fixedly installed on the top of the threaded rod, a nut is fixedly installed at one corner of the top surface of the upper detection box, and the nut cooperates with the threaded rod, the triangles in the inner cavity of the lower detection box are all fixedly installed with guide slides, and the triangles on the top surface of the upper detection box are all fixedly installed with guide sleeves, and the guide slides are sleeved inside the guide sleeves.

[0011] Furthermore, the cross-sectional shapes of the vertical sliding groove, vertical sliding block, horizontal sliding groove and horizontal sliding block are T-shaped.

[0012] Furthermore, a control panel is fixedly mounted on the side wall of the lower detection box, and the control panel is electrically connected to the servo motor, the photoelectric diameter detector and the display screen.

[0013] Furthermore, support pads are evenly and fixedly installed at the four corners of the bottom surface of the lower detection box.

[0014] (3) Beneficial effects

[0015] Compared with the existing technology, the utility model provides an online detector for cotton yarn diameter, which has the following beneficial effects:

[0016] (1) The utility model is provided with a lower detection box, a winding disk and a sleeve plate. The side walls of the lower detection box are symmetrically welded with mounting plates, and the top surface of the mounting plate is welded with a bearing frame, and a retractable shaft is installed on the bearing frame. The retractable shaft is fixedly installed with a winding disk at one end, and a transmission wheel is fixedly installed at the other end of the retractable shaft. Because one end of a retractable shaft is connected to the output end of a servo motor, and a transmission belt is sleeved between the two transmission wheels, when the servo motor drives one retractable shaft to rotate, it can drive the two winding disks to rotate at the same time. A vertical slide groove is provided on one side of the retractable shaft, and a bidirectional screw is installed in the vertical slide groove, and a vertical slider is symmetrically embedded in the vertical slide groove, and a first screw sleeve is fixedly installed in the vertical slider, and the first screw sleeve cooperates with the bidirectional screw, and a horizontal slide groove is provided on the retractable shaft at the same time, and an adjustment screw is symmetrically installed in the horizontal slide groove, and a horizontal slider is symmetrically embedded in the horizontal slide groove, and the horizontal slider The two guide wheels are fixedly mounted on the block, and the second guide wheels cooperate with the adjusting screw. At the same time, the first bevel gear fixedly mounted on the two-way screw meshes with the second bevel gear fixedly mounted on the opposite end of the two adjusting screws. Therefore, when the user rotates the two-way screw, the two vertical sliders can be driven to move relative to each other along the vertical slide groove, and the two horizontal sliders can be driven to move relative to each other along the direction of the horizontal slide groove. The two vertical sliders and one side of the two horizontal sliders are welded with a sleeve plate, so the user can sleeve the bobbin wound with cotton yarn to be detected on the outer side of the sleeve plate, and then rotate the two-way screw until the four sleeve plates abut against the inner wall of the bobbin, so that bobbins of different diameters can be installed and fixed, so as to facilitate online detection of the diameters of cotton yarns of different types. This cotton yarn diameter online detector can use a motor to drive the two winding discs to rotate synchronously, and can make the winding disc suitable for the installation and use of bobbins of different diameters, so it has a wider range of applicability and is more practical.

[0017] (2) The utility model is provided with a lower detection box, an upper detection box and a tensioning roller. A plurality of photoelectric diameter detectors are installed in parallel in the inner cavity of the lower detection box, and a display screen is installed on one side of the photoelectric diameter detector and passes through the side wall of the lower detection box. As mentioned above, after the installation and fixation of the two bobbins are completed, one end of the cotton yarn can be passed through the corresponding inlet and outlet holes on the lower detection box and the upper detection box, and the cotton yarn can pass through the photoelectric diameter detector to facilitate the detection of the diameter of the cotton yarn. After the cotton yarn passes through the inlet and outlet holes, the user can rotate the threaded rod shaft by opening and closing the knob, because the threaded rod shaft cooperates with the nut fixedly installed on the upper detection box, and the threaded rod shaft The bottom end is installed in the inner cavity of the lower detection box, and the guide slide rod fixedly installed in the inner cavity of the lower detection box is sleeved in the guide slide sleeve fixedly installed on the top surface of the upper detection box, so as the threaded rod shaft rotates, the upper detection box can be driven to move downward until the bottom end of the upper detection box abuts against the top end of the lower detection box. A mounting blind groove is provided on one side of the inlet and outlet holes, and several springs are installed in the mounting blind groove, and one end of the spring is connected to a mounting frame, and a tensioning roller is installed on the mounting frame. The two tensioning rollers and the spring force can be used to clamp and tighten the cotton yarn passing through, so that it remains in a tensioned state when passing through the photoelectric diameter detector, thereby ensuring the accuracy of the cotton yarn diameter detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a structural schematic diagram of an online cotton yarn diameter detector according to an embodiment of the present utility model;

[0020] Figure 2 This is a front view of an online cotton yarn diameter detector according to an embodiment of the present utility model;

[0021] Figure 3 This is a top view of an online cotton yarn diameter detector according to an embodiment of the present utility model;

[0022] Figure 4 According to the embodiment of the present utility model Figure 1 A magnified view of point A;

[0023] Figure 5 According to the embodiment of the present utility model Figure 1 Enlarged view of point B;

[0024] Figure 6It is a stereoscopic diagram of a sleeve plate of an online cotton yarn diameter detector according to an embodiment of the present utility model.

[0025] In the picture:

[0026] 1. Lower inspection box; 2. Photoelectric diameter detector; 3. Bearing frame; 4. Mounting plate; 5. Upper inspection box; 6. Nut; 7. Threaded rod shaft; 8. Opening and closing knob; 9. Guide slide; 10. Guide slide; 11. Winding disk; 12. Sleeve plate; 13. Support foot pad; 14. Display screen; 15. Drive belt; 16. Servo motor; 17. Retractable shaft; 18. Drive wheel; 19. Vertical slide; 20. Bidirectional screw; 21. Vertical slider; 22. First screw sleeve; 23. First bevel gear; 24. Horizontal slide; 25. Horizontal slider; 26. Adjusting screw; 27. Second screw sleeve; 28. Second bevel gear; 29. ​​Inlet and outlet holes; 30. Mounting blind slot; 31. Spring; 32. Mounting frame; 33. Tensioning roller. DETAILED DESCRIPTION

[0027] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. By referring to these contents, ordinary technicians in this field should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0028] According to an embodiment of the present utility model, an online cotton yarn diameter detector is provided.

[0029] The present invention will now be further described with reference to the accompanying drawings and specific embodiments. Figure 1-6As shown, according to an embodiment of the present invention, an online detector for the diameter of cotton yarn comprises a lower detection box 1, a winding disk 11 and a sleeve plate 12. The side walls on both sides of the lower detection box 1 are symmetrically welded with mounting plates 4, and the top surface of the mounting plate 4 is welded with a bearing frame 3, and a retractable shaft 17 is installed on the bearing frame 3. The winding disk 11 is fixedly installed on one end of the retractable shaft 17, and a transmission wheel 18 is fixedly installed on the other end of the retractable shaft 17. One end of the retractable shaft 17 is connected to the output end of the servo motor 16, and a transmission belt 15 is sleeved between the two transmission wheels 18. A vertical slide groove 19 is provided on one side of the winding disk 11, and a bidirectional lead screw 20 is installed in the vertical slide groove 19. A vertical slider 21 is symmetrically embedded in the vertical slide groove 19, and a first lead screw sleeve 22 is fixedly installed in the vertical slider 21, and the first lead screw sleeve 22 is fixedly installed in the vertical slider 21, and the first lead screw sleeve 22 is fixedly installed in the vertical slider 21. The sleeve 22 cooperates with the bidirectional screw 20, and a horizontal slide groove 24 is provided on the winding disk 11, and an adjusting screw 26 is symmetrically installed in the horizontal slide groove 24, and a horizontal slider 25 is symmetrically embedded in the horizontal slide groove 24, and a second screw sleeve 27 is fixedly installed in the horizontal slider 25, and the second screw sleeve 27 cooperates with the adjusting screw 26, and a first bevel gear 23 is fixedly installed on the bidirectional screw 20, and a second bevel gear 28 is fixedly installed at the opposite end of the two adjusting screws 26, and the second bevel gear 28 is meshed with the first bevel gear 23. A sleeve plate 12 is welded on one side of the vertical slider 21 and the horizontal slider 25, so that the two winding disks 11 can be driven to rotate synchronously by one motor, and the winding disk 11 can be suitable for installation and use of wire bobbins of different diameters, with a wider range of applications and stronger practicality.

[0030] In one embodiment, a plurality of photoelectric diameter detectors 2 are installed in parallel in the inner cavity of the lower detection box 1, and a display screen 14 is installed on one side of the photoelectric diameter detector 2 and penetrates the side wall of the lower detection box 1. The photoelectric diameter detector 2 and the display screen 14 are existing mature technologies and belong to common knowledge in the field. They are only used without modification, so the control method and circuit connection will not be described in detail.

[0031] In one embodiment, an upper inspection box 5 is arranged directly above the lower inspection box 1, and the lower inspection box 1 and the upper inspection box 5 are symmetrically provided with inlet and outlet holes 29 at opposite ends, and a mounting blind groove 30 is provided on one side of the inlet and outlet holes 29, and a number of springs 31 are evenly installed in the mounting blind groove 30, and a mounting frame 32 is connected to the movable end of the spring 31, and a tensioning roller 33 is installed on the mounting frame 32, which plays a role in clamping and tightening the cotton yarn passing through by utilizing the elastic force of the two tensioning rollers 33 and the spring 31, so that it remains in a tensioned state when passing through the photoelectric diameter detector 2, thereby ensuring the accuracy of the cotton yarn diameter detection.

[0032] In one embodiment, a threaded rod shaft 7 is installed at one corner of the inner cavity of the lower inspection box 1, and an opening and closing knob 8 is fixedly installed on the top of the threaded rod shaft 7, a nut 6 is fixedly installed at one corner of the top surface of the upper inspection box 5, and the nut 6 cooperates with the threaded rod shaft 7, and a guide slide rod 9 is fixedly installed on the triangle of the inner cavity of the lower inspection box 1, and a guide sleeve 10 is fixedly installed on the triangle of the top surface of the upper inspection box 5, and the guide slide rod 9 is sleeved in the guide sleeve 10, which makes the opening and closing operations of the lower inspection box 1 and the upper inspection box 5 simpler and more convenient, and ensures that the lower inspection box 1 and the upper inspection box 5 are more stable when closed.

[0033] In one embodiment, the cross-section of the vertical sliding groove 19 , the vertical sliding block 21 , the horizontal sliding groove 24 and the horizontal sliding block 25 is T-shaped.

[0034] In one embodiment, a control panel is fixedly mounted on the side wall of the lower detection box 1 , and the control panel is electrically connected to the servo motor 16 , the photoelectric diameter detector 2 and the display screen 14 , thereby controlling the normal operation of the device.

[0035] In one embodiment, support pads 13 are evenly fixedly installed at the four corners of the bottom surface of the lower detection box 1 to provide stable support.

[0036] Working principle: The utility model is provided with a lower detection box 1, a winding disk 11 and a sleeve plate 12. The side walls of the lower detection box 1 are symmetrically welded with mounting plates 4, and the top surface of the mounting plate 4 is welded with a bearing frame 3, and a retractable shaft 17 is installed on the bearing frame 3. The winding disk 11 is fixedly installed at one end of the retractable shaft 17, and a transmission wheel 18 is fixedly installed at the other end of the retractable shaft 17. Because one end of the retractable shaft 17 is connected to the output end of the servo motor 16, and a transmission belt 15 is sleeved between the two transmission wheels 18, when the servo motor 16 drives one retractable shaft 17 to rotate, the two winding disks 11 can be driven to rotate at the same time. A vertical slide groove 19 is provided on one side of the retractable disk 11, and a bidirectional screw 20 is installed in the vertical slide groove 19. A vertical slider 21 is symmetrically embedded in the vertical slide groove 19, and a first screw sleeve 22 is fixedly installed in the vertical slider 21, and the first screw sleeve 22 cooperates with the bidirectional screw 20, and a horizontal slide groove 24 is also provided on the winding disk 11, and an adjusting screw 26 is symmetrically installed in the horizontal slide groove 24, and a horizontal slider 25 is symmetrically embedded in the horizontal slide groove 24, and a second screw sleeve 27 is fixedly installed in the horizontal slider 25, and the second screw sleeve 27 cooperates with the adjusting screw 26. At the same time, the first bevel gear 23 fixedly installed on the bidirectional screw 20 is meshed with the second bevel gear 28 fixedly installed at the opposite end of the two adjusting screws 26. Therefore, when the user rotates the bidirectional screw 20, the two vertical sliders 21 can be driven to move relative to each other along the vertical slide groove 19, driving the two horizontal sliders 25 moves relative to each other along the direction of the horizontal slide groove 24. A sleeve plate 12 is welded to one side of the two vertical sliders 21 and the two horizontal sliders 25. Therefore, the user can sleeve the bobbin with the cotton yarn to be detected on the outside of the sleeve plate 12, and then rotate the two-way screw 20 until the four sleeve plates 12 abut against the inner wall of the bobbin, so that bobbins of different diameters can be installed and fixed, so as to facilitate online diameter detection of different types of cotton yarns. This kind of cotton yarn diameter online detector can use a motor to drive the two winding discs 11 to rotate synchronously, and can make the winding disc 11 suitable for installation and use of bobbins of different diameters, with a wider range of applications and stronger practicality. In addition, the utility model is provided with a lower detection box 1, an upper detection box 5 and a tensioning roller 33. The lower detection box 1 is provided Several photoelectric diameter detectors 2 are installed in parallel with the inner cavity, and a display screen 14 is installed on one side of the photoelectric diameter detector 2, which passes through the side wall of the lower detection box 1. As mentioned above, after the installation and fixation of the two bobbins are completed, one end of the cotton yarn can be passed through the corresponding inlet and outlet holes 29 opened on the lower detection box 1 and the upper detection box 5, and the cotton yarn can pass through the photoelectric diameter detector 2 to facilitate the detection of the diameter of the cotton yarn. After the cotton yarn passes through the inlet and outlet holes 29, the user can rotate the threaded rod shaft 7 through the opening and closing knob 8, because the threaded rod shaft 7 cooperates with the nut 6 fixedly installed on the upper detection box 5, and the bottom end of the threaded rod shaft 7 is installed in the inner cavity of the lower detection box 1, and the guide slide rod 9 fixedly installed in the inner cavity of the lower detection box 1 is sleeved in the guide slide sleeve 10 fixedly installed on the top surface of the upper detection box 5.Therefore, as the threaded shaft 7 rotates, the upper detection box 5 can be driven to move downward until the bottom end of the upper detection box 5 abuts the top end of the lower detection box 1. A mounting blind groove 30 is provided on one side of the inlet and outlet holes 29, and a plurality of springs 31 are installed in the mounting blind groove 30. One end of the spring 31 is connected to a mounting frame 32, and a tensioning roller 33 is installed on the mounting frame 32. The two tensioning rollers 33 and the elastic force of the springs 31 can be used to clamp and tighten the passing cotton yarn, so that it remains in a tensioned state when passing through the photoelectric diameter detector 2, ensuring the accuracy of the cotton yarn diameter detection.

[0037] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An online cotton yarn diameter detector, comprising a lower detection box (1), a crimping disk (11) and a sleeve plate (12), characterized in that: The side walls of the lower detection box (1) are symmetrically welded with mounting plates (4), and the top surface of the mounting plate (4) is welded with a bearing frame (3), and a retractable shaft (17) is installed on the bearing frame (3), one end of the retractable shaft (17) is fixedly installed with a winding disk (11), and the other end of the retractable shaft (17) is fixedly installed with a transmission wheel (18), one end of the retractable shaft (17) is connected to the output end of the servo motor (16), and a transmission belt (15) is sleeved between the two transmission wheels (18), a vertical slide groove (19) is opened on one side of the retractable shaft (11), and a bidirectional screw (20) is installed in the vertical slide groove (19), a vertical slider (21) is symmetrically embedded in the vertical slide groove (19), and a first screw sleeve ( 22), and the first screw sleeve (22) cooperates with the bidirectional screw (20), a transverse sliding groove (24) is provided on the winding disk (11), and an adjusting screw (26) is symmetrically installed in the transverse sliding groove (24), a transverse slider (25) is symmetrically embedded in the transverse sliding groove (24), and a second screw sleeve (27) is fixedly installed in the transverse slider (25), and the second screw sleeve (27) cooperates with the adjusting screw (26), a first bevel gear (23) is fixedly installed on the bidirectional screw (20), a second bevel gear (28) is fixedly installed at one end of the two adjusting screws (26), and the second bevel gear (28) and the first bevel gear (23) are meshed with each other, and a sleeve plate (12) is welded on one side of the vertical slider (21) and the transverse slider (25).

2. The cotton yarn diameter online detector according to claim 1, characterized in that: A plurality of photoelectric diameter detectors (2) are installed in parallel in the inner cavity of the lower detection box (1), and a display screen (14) penetrating the side wall of the lower detection box (1) is installed on one side of the photoelectric diameter detector (2).

3. The cotton yarn diameter online detector according to claim 1, characterized in that: An upper detection box (5) is arranged just above the lower detection box (1), and the lower detection box (1) and the upper detection box (5) are symmetrically provided with inlet and outlet holes (29) at opposite ends, and a mounting blind groove (30) is provided on one side of the inlet and outlet holes (29), and a plurality of springs (31) are evenly installed in the mounting blind groove (30), and the movable ends of the springs (31) are connected to a mounting frame (32), and a tensioning roller (33) is installed on the mounting frame (32).

4. The cotton yarn diameter online detector according to claim 3, characterized in that: A threaded rod shaft (7) is installed at one corner of the inner cavity of the lower detection box (1), and an opening and closing knob (8) is fixedly installed at the top of the threaded rod shaft (7); a nut (6) is fixedly installed at one corner of the top surface of the upper detection box (5), and the nut (6) matches the threaded rod shaft (7); a guide slide rod (9) is fixedly installed at each triangle of the inner cavity of the lower detection box (1); a guide sleeve (10) is fixedly installed at each triangle of the top surface of the upper detection box (5), and the guide slide rod (9) is sleeved inside the guide sleeve (10).

5. The cotton yarn diameter online detector according to claim 1, characterized in that: The cross-sectional shapes of the vertical sliding groove (19), the vertical sliding block (21), the horizontal sliding groove (24) and the horizontal sliding block (25) are T-shaped.

6. The cotton yarn diameter online detector according to claim 1, characterized in that: A control panel is fixedly mounted on the side wall of the lower detection box (1), and the control panel is electrically connected to the servo motor (16), the photoelectric diameter detector (2) and the display screen (14).

7. The cotton yarn diameter online detector according to claim 1, characterized in that: Supporting foot pads (13) are evenly and fixedly installed at the four corners of the bottom surface of the lower detection box (1).

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