Yarn unwinding tension control device

Abstract

The utility model relates to the technical field of weaving, and discloses a yarn unwinding tension control device which comprises a device box, and a top frame is arranged at the top end in the device box. When the yarn unwinding tension control device is used, yarn is guided into the device box through the open groove and penetrates through the bottom end of the movable pressing wheel and the top ends of the two sets of fixed wheels, the movable pressing wheel can abut against the top of the yarn through the elastic force of the compression spring when the yarn is unwound, and the conveying tension of the yarn is kept; when tension is adjusted, a driving rod can be rotated at the top end of a device box, the driving rod can drive a top frame and a movable frame and a movable pressing wheel at the bottom to move downwards while rotating, yarn between fixed wheels is pressed downwards, pressure is increased, and the yarn unwinding tension can be conveniently adjusted; the problem that yarn unwinding tension is inconvenient to adjust is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of weaving, in particular to a yarn unwinding tension control device. Background Art

[0002] Weaving yarn unwinding refers to the specific treatment of the curled yarn in the fabric weaving process to restore it to the uncurled state, so as to solve the problems of poor weaving and disordered yarn paths in the weaving process. When the yarn is conveyed and unwound, it is easy to become loose and unstable on the conveying component. In order to maintain the tension of the yarn during unwinding, a yarn unwinding tension control device is required.

[0003] However, when the yarn unwinding tension control device is used to control the conveying tension during yarn unwinding, the internal components of the device are generally arranged in a complex manner, resulting in cumbersome tension adjustment operations and inconvenience in conveniently adjusting the yarn unwinding tension.

[0004] Now, a novel yarn unwinding tension control device is proposed to solve the above-mentioned shortcomings. Utility Model Content

[0005] The purpose of the utility model is to provide a yarn unwinding tension control device to solve the problem that it is inconvenient to conveniently adjust the yarn unwinding tension size proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a yarn unwinding tension control device, including a device box, a top frame is provided at the top of the device box, and a movable frame is provided at the bottom end of the top frame, and the bottom end of the movable frame is internally movably connected with a movable pressure wheel, a sliding rod is fixed at the middle position of the top end of the movable frame, and a compression spring is sleeved on the outside of the sliding rod, the top end of the sliding rod passes through the inside of the bottom end of the top frame and is fixed with a limiting plate, fixing rods are respectively fixed at both ends of the top of the movable frame, fixing plates are respectively welded and fixed to the top ends of the two sides of the top frame, and a guide rod is fixed to the top end of the fixing plate, a screw hole is opened at the middle position of the top end of the device box, and the internal thread of the screw hole is rotatably connected to the driving rod, and sliding sleeves are respectively fixed to the insides of the two sides of the top end of the device box.

[0007] Furthermore, the top end of the fixing rod passes through the interior of the bottom end of the top frame, the top end of the compression spring is fixedly connected to the bottom end of the top frame, and the bottom end of the compression spring is fixedly connected to the top end of the movable frame.

[0008] Furthermore, the bottom end of the driving rod passes through the inside of the screw hole and is movably connected to the top end of the top frame, and the top end of the guide rod passes through the inside of the sliding sleeve.

[0009] Preferably, grooves are respectively provided inside both sides of the device box, and connecting plates are respectively installed and fixed at the top and bottom ends of the grooves, and bristles are fixed at the bottom ends of the connecting plates.

[0010] Furthermore, the connecting plate is symmetrically arranged about the horizontal center line of the slot, and the bristles are arranged in multiple groups at equal intervals at the bottom end of the connecting plate.

[0011] Preferably, fixing frames are fixed on both sides of the top front end of the device box, a cover plate is provided at the front end of the device box, and connecting feet are fixed on both sides of the top of the cover plate, the connecting feet are hingedly connected to the inside of the fixing frame, locking rods are respectively penetrated at both ends of the bottom of the front end of the cover plate, and the outside of the locking rods is provided with external threads, and threaded holes for cooperating with the locking rods are respectively provided at the bottom of both sides of the front end of the device box.

[0012] Furthermore, a viewing window is fixed inside the cover plate, and the connecting foot is hingedly connected to the inside of the fixing frame.

[0013] Preferably, mounting plates are fixed to the bottom ends of both sides of the device box, mounting frames are fixed to both sides of the bottom end inside the device box, and fixed wheels are movably connected to the top ends of the mounting frames.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the yarn unwinding tension control device not only realizes convenient adjustment of the yarn unwinding tension, realizes convenient auxiliary cleaning of the yarn exterior, but also realizes convenient protection and dust prevention of the control device components;

[0015] (1) The device box, movable frame, compression spring, top frame, fixed frame, fixed plate, guide rod, driving rod, screw hole, sliding sleeve, movable pressure wheel, limit plate, fixed rod and sliding rod are provided. When the device is used, the yarn is introduced into the device box through the slot and passes through the bottom end of the movable pressure wheel and the top end of the two sets of fixed wheels. When the yarn is unwound, the movable pressure wheel provided can use the elastic force of the compression spring to press against the top of the yarn to maintain the conveying tension of the yarn. When the tension is adjusted, the driving rod can be rotated at the top of the device box. When the driving rod rotates, it can drive the top frame and the movable frame and movable pressure wheel at the bottom to move downward, and press the yarn between the fixed wheels downward to increase the pressure, so that the yarn unwinding tension can be conveniently adjusted;

[0016] (2) By providing a device box, a slot, a connecting plate and bristles, when the device is used, when the yarn passes through the bristles inside the slot and is introduced into the inside of the device box, during the yarn conveying and moving process, some fluff and other debris attached to the outside of the yarn can be scraped off and removed by the multiple groups of bristles, so as to facilitate auxiliary cleaning of the outside of the yarn;

[0017] (3) By providing a device box, a cover plate, a fixing frame, a locking rod, a threaded hole and a window, when the device is used, the cover plate provided at the front end of the device box can be flipped down by using the hinge between the connecting feet and the inside of the fixing frame to cover the front end of the device box, and then the locking rods are used to penetrate the inside of the cover plate on both sides of the front end of the cover plate and screwed into the inside of the threaded hole respectively, so that the cover plate can be fixed to the front end of the device box. The device box and the cover plate can be used to assist in sealing the outside of the tension control component, so as to protect the control device component from collision and dust. The internal tension control component can also be checked through the provided window when it is working. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 This is a side structural schematic diagram of the device box of the utility model;

[0020] Figure 3 This is a side view structural diagram of the movable frame of the utility model;

[0021] Figure 4 It is a side structural schematic diagram of the cover plate of the present utility model.

[0022] In the figure: 1. Mounting plate; 2. Device box; 3. Slot; 4. Movable frame; 5. Compression spring; 6. Top frame; 7. Fixed frame; 8. Fixed plate; 9. Guide rod; 10. Drive rod; 11. Screw hole; 12. Sliding sleeve; 13. Movable pressure wheel; 14. Fixed wheel; 15. Mounting frame; 16. Connecting foot; 17. Cover plate; 18. Connecting plate; 19. Brush; 20. Lock rod; 21. Threaded hole; 22. Limit plate; 23. Fixed rod; 24. Sliding rod; 25. Window. DETAILED DESCRIPTION

[0023] 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.

[0024] Example 1: Please refer to Figure 1-4, a yarn unwinding tension control device, including a device box 2, a top frame 6 is arranged at the top of the device box 2, and a movable frame 4 is arranged at the bottom of the top frame 6, and the bottom of the movable frame 4 is internally movably connected with a movable pressure wheel 13, a slide bar 24 is fixed at the middle position of the top of the movable frame 4, and a compression spring 5 is sleeved on the outside of the slide bar 24, the top of the slide bar 24 passes through the inside of the bottom of the top frame 6 and is fixed with a limit plate 22, the two ends of the top of the movable frame 4 are respectively fixed with fixed rods 23, the tops of both sides of the top frame 6 are respectively welded and fixed with fixed plates 8, and the top of the fixed plate 8 is fixed with a guide rod 9, a screw hole 11 is opened at the middle position of the top of the device box 2, and the internal thread of the screw hole 11 is rotatably connected with a driving rod 10, and sliding sleeves 12 are respectively fixed inside the two sides of the top of the device box 2;

[0025] The top end of the fixing rod 23 passes through the inside of the bottom end of the top frame 6, the top end of the compression spring 5 is fixedly connected to the bottom end of the top frame 6, the bottom end of the compression spring 5 is fixedly connected to the top end of the movable frame 4, the bottom end of the driving rod 10 passes through the inside of the screw hole 11 and is movably connected to the top end of the top frame 6, and the top end of the guide rod 9 passes through the inside of the sliding sleeve 12;

[0026] Specifically, Figure 1 and Figure 2 As shown, after the yarn is introduced into the device box 2 through the slot 3 and passes through the bottom end of the movable pressure wheel 13 and the top end of the two sets of fixed wheels 14, the movable pressure wheel 13 set when the yarn is unwound can use the elastic force of the compression spring 5 to press against the top of the yarn to maintain the conveying tension of the yarn. When the tension is adjusted, the driving rod 10 can be rotated at the top of the device box 2. While the driving rod 10 rotates, it can drive the top frame 6 and the bottom movable frame 4 and the movable pressure wheel 13 to move downward, and press the yarn between the fixed wheels 14 downward to increase the pressure, so that the yarn unwinding tension can be conveniently adjusted.

[0027] Embodiment 2: Slots 3 are respectively provided inside the two sides of the device box 2, and connecting plates 18 are respectively installed and fixed at the top and bottom of the slots 3, and bristles 19 are fixed at the bottom of the connecting plates 18, the connecting plates 18 are symmetrically arranged about the horizontal center line of the slots 3, and multiple groups of bristles 19 are evenly spaced at the bottom of the connecting plates 18;

[0028] Specifically, Figure 1 and Figure 3 As shown, when the yarn passes through the bristles 19 inside the slot 3 and is introduced into the interior of the device box 2, during the yarn conveying and moving process, the multiple groups of bristles 19 can assist in scraping off and removing some lint and other debris attached to the outside of the yarn, thereby assisting in cleaning the outside of the yarn.

[0029] Embodiment 3: A fixing frame 7 is fixed to both sides of the top front end of the device box 2, a cover plate 17 is provided at the front end of the device box 2, and connecting feet 16 are fixed to both sides of the top end of the cover plate 17, the connecting feet 16 are hingedly connected to the inside of the fixing frame 7, locking rods 20 are respectively penetrated at both ends of the bottom of the front end of the cover plate 17, and the outside of the locking rod 20 is provided with external threads, and threaded holes 21 for matching with the locking rod 20 are respectively provided at the bottom of both sides of the front end of the device box 2, a window 25 is fixed to the inside of the cover plate 17, and the connecting feet 16 are hingedly connected to the inside of the fixing frame 7;

[0030] Specifically, Figure 1 and Figure 4 As shown, the cover plate 17 provided at the front end of the device box 2 can be flipped downward to cover the front end of the device box 2 by using the hinge between the connecting feet 16 and the inside of the fixing frame 7, and then the cover plate 17 can be fixed to the front end of the device box 2 by using locking rods 20 on both sides of the front end of the cover plate 17 to penetrate the inside of the cover plate 17 and screw them into the inside of the threaded holes 21 accordingly. The device box 2 and the cover plate 17 can be used to assist in closing the outside of the tension control component, and the control device component can be protected from collision and dust.

[0031] The bottom ends of both sides of the device box 2 are respectively fixed with mounting plates 1, and the two sides of the bottom end inside the device box 2 are respectively fixed with mounting frames 15, and the top of the mounting frames 15 is movably connected with fixed wheels 14 inside.

[0032] Working principle: When the utility model is in use, the yarn is introduced into the device box 2 through the slot 3, and after passing through the bottom end of the movable pressure wheel 13 and the top end of the two sets of fixed wheels 14, the movable pressure wheel 13 set when the yarn is unwound can use the elastic force of the compression spring 5 to press against the top of the yarn to maintain the conveying tension of the yarn. When the tension is adjusted, the driving rod 10 can be rotated at the top of the device box 2. While the driving rod 10 is rotating, it can drive the top frame 6 and the movable frame 4 and the movable pressure wheel 13 at the bottom to move downward, and press the yarn between the fixed wheels 14 downward to increase the pressure, so that the yarn unwinding tension can be conveniently adjusted, and at the same time, the yarn passes through the bristles 19 inside the slot 3 and is introduced into the inside of the device box 2 During the yarn conveying and moving process, the multiple groups of bristles 19 can assist in scraping off and removing some fluff and other debris attached to the outside of the yarn, and assist in cleaning the outside of the yarn. When the device is in use, the cover plate 17 provided at the front end of the device box 2 can be flipped down by the hinge between the connecting feet 16 and the internal part of the fixing frame 7 until it covers the front end of the device box 2, and then the locking rods 20 are used to penetrate the interior of the cover plate 17 on both sides of the front end of the cover plate 17 and screwed into the interior of the threaded holes 21 respectively, and then the cover plate 17 can be fixed to the front end of the device box 2. The device box 2 and the cover plate 17 can assist in closing the outside of the tension control component, and the control device component can be protected from collision and dust.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A yarn unwinding tension control device, comprising a device box (2), characterized in that: A top frame (6) is provided at the top of the device box (2), and a movable frame (4) is provided at the bottom of the top frame (6), and the bottom of the movable frame (4) is internally movably connected to a movable pressure wheel (13), a slide rod (24) is fixed at the middle position of the top of the movable frame (4), and a compression spring (5) is sleeved on the outside of the slide rod (24), the top of the slide rod (24) passes through the inside of the bottom of the top frame (6) and is fixed with a limiting plate (22), the two ends of the top of the movable frame (4) are respectively fixed with fixed rods (23), the tops of both sides of the top frame (6) are respectively welded and fixed with fixed plates (8), and the top of the fixed plate (8) is fixed with a guide rod (9), a screw hole (11) is opened at the middle position of the top of the device box (2), and the internal thread of the screw hole (11) is rotatably connected to a driving rod (10), and sliding sleeves (12) are respectively fixed inside the two sides of the top of the device box (2).

2. A yarn unwinding tension control device according to claim 1, characterized in that: The top end of the fixing rod (23) passes through the interior of the bottom end of the top frame (6), the top end of the compression spring (5) is fixedly connected to the bottom end of the top frame (6), and the bottom end of the compression spring (5) is fixedly connected to the top end of the movable frame (4).

3. A yarn unwinding tension control device according to claim 1, characterized in that: The bottom end of the driving rod (10) passes through the inside of the screw hole (11) and is movably connected to the top end of the top frame (6), and the top end of the guide rod (9) passes through the inside of the sliding sleeve (12).

4. A yarn unwinding tension control device according to claim 1, characterized in that: Slots (3) are respectively provided inside the two sides of the device box (2), and connecting plates (18) are respectively installed and fixed at the top and bottom ends of the slots (3), and bristles (19) are fixed at the bottom ends of the connecting plates (18).

5. A yarn unwinding tension control device according to claim 4, characterized in that: The connecting plate (18) is symmetrically arranged about the horizontal center line of the slot (3), and a plurality of groups of bristles (19) are arranged at equal intervals at the bottom end of the connecting plate (18).

6. A yarn unwinding tension control device according to claim 1, characterized in that: A fixing frame (7) is fixed to both sides of the front end of the top of the device box (2), a cover plate (17) is provided at the front end of the device box (2), and connecting feet (16) are fixed to both sides of the top of the cover plate (17), the connecting feet (16) are hingedly connected to the inside of the fixing frame (7), locking rods (20) are respectively penetrated at both ends of the bottom of the front end of the cover plate (17), and the outside of the locking rod (20) is provided with external threads, and threaded holes (21) for matching and installing with the locking rod (20) are respectively provided at the bottom of both sides of the front end of the device box (2).

7. A yarn unwinding tension control device according to claim 6, characterized in that: A viewing window (25) is fixed inside the cover plate (17), and the connecting foot (16) is hingedly connected to the inside of the fixing frame (7).

8. A yarn unwinding tension control device according to claim 1, characterized in that: The bottom ends of both sides of the device box (2) are respectively fixed with mounting plates (1), the two sides of the bottom end inside the device box (2) are respectively fixed with mounting frames (15), and the top ends of the mounting frames (15) are internally movably connected with fixed wheels (14).

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