Steel cord residual twist detection device capable of preventing off-line

Abstract

The utility model is suitable for the technical field of steel cord detection, and provides an anti-drop steel cord residual twist detection device, which comprises a hanging and pulling frame, a fixed frame rotationally arranged at the bottom of the hanging and pulling frame through a rotating assembly, a detection wheel and an anti-drop cover, the detection wheel and the anti-drop cover are arranged in the fixed frame, and the anti-drop cover is symmetrically arranged relative to the detection wheel. The device solves the problems that a detection device fails and the accuracy of a detection result is influenced by shaking in the deviation process of a detection wheel because a steel cord with a relatively large diameter is easy to fall off when penetrating through a wheel groove of the detection wheel, and achieves the purposes of being matched with the detection wheel to form a deepened notch to prevent the steel cord from falling off the groove; and meanwhile, the effect of limiting the detection wheel to prevent the detection wheel from shaking can be achieved.

Description

Technical Field

[0001] This utility model relates to the field of steel cord detection technology, and more specifically, it relates to a steel cord residual twist detection device to prevent cord breakage. Background Technology

[0002] An Automatic Torque Adjustment (ATC) device is used to control and adjust the residual torsion generated in steel cord during the production process. It mainly uses the residual torsion of the steel cord itself to drive the detection wheel to deflect. Then, the photoelectric sensor on the detection device senses the position of the residual torsion and feeds the signal back to the PLC program. The overtwist device then corrects the residual torsion to the desired target. Through continuous detection and adjustment, a complete automatic residual torsion adjustment system is formed.

[0003] In the automatic residual torsion adjustment device, the detection wheel plays a crucial role in the detection and adjustment process. Fixed within the frame of the detection device, the residual torsion of the steel cord passing through it acts on the wheel groove, causing the wheel to deflect. Due to the relatively shallow groove depth and wide frame, thicker diameter steel cords are prone to slipping out of the groove. Slipping out means the residual torsion detection system is completely ineffective, and the steel cord itself is also susceptible to breakage and other quality defects. Furthermore, the detection wheel, deflected by the residual torsion of the steel cord, may wobble due to the lack of limiting mechanisms, thus introducing errors into the residual torsion detection results and affecting their accuracy. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a steel cord residual twist detection device that can cooperate with the detection wheel to form a deeper groove to prevent the steel cord from falling into the groove, and at the same time limit the detection wheel to prevent it from shaking.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A steel cord residual torsion detection device for preventing wire drop includes a sling frame, a fixed frame rotatably mounted at the bottom of the sling frame via a rotating component, and a detection wheel and an anti-drop cover installed inside the fixed frame, wherein the anti-drop cover is symmetrically arranged about the detection wheel.

[0007] The present invention is further configured such that: the anti-fall cover is configured as a hollow conical disk structure, the side of the anti-fall cover near the detection wheel is configured as a sleeve surface, and the side of the anti-fall cover near the fixing frame is configured as a fitting surface.

[0008] The present invention is further configured such that: the side of the anti-fall cover near the sleeve surface is provided with an extension groove adapted to the shape of the detection wheel, and the side of the anti-fall cover away from the sleeve surface is provided with a cylindrical limiting part.

[0009] The present invention is further configured such that: the sleeve surface is sleeved on the outside of the detection wheel, and the contact surface is in contact with the inner wall of the fixing frame.

[0010] By adopting the above technical solution, the sleeve surface is fitted onto the outside of the detection wheel, and the diameter of the sleeve surface matches the outer diameter of the detection wheel. The anti-drop cover wraps around the outside of the detection wheel through the sleeve surface, preventing it from shaking while ensuring that the detection wheel can rotate normally. The mating surface is mated to the inner wall of the fixing frame. The mating of the anti-drop cover and the fixing frame prevents the detection wheel from being limited and shaking.

[0011] The present invention is further configured such that: a second bearing is provided inside the detection wheel, and the second bearing is sleeved on the fixed frame.

[0012] The present invention is further configured such that: a wheel groove is provided at the center of the detection wheel, and wire grooves are symmetrically provided on both sides of the wire groove, and the wire grooves are inclined.

[0013] By adopting the above technical solution, the extension groove is coaxial with the wire guide groove on the detection wheel, thereby forming a complete inclined extension surface between the wire guide groove and the extension groove, preventing the steel cord from getting stuck inside the anti-drop cover when it rotates.

[0014] The present invention is further configured such that: a fixing bolt is provided on the fixing frame, the fixing bolt passes through the detection wheel and the anti-drop cover, and a fixing nut is installed at each end of the fixing bolt.

[0015] The present invention is further configured such that: the rotating assembly includes a mounting bolt that passes through the suspension bracket and the fixing bracket, a first bearing is sleeved in the middle of the mounting bolt, and a mounting nut is installed at each end of the mounting bolt.

[0016] The present invention is further configured such that the first bearing is installed inside the fixed frame.

[0017] The present invention is further configured such that: a washer is installed on the top of the first bearing, and the two ends of the washer abut against the hanger and the fixing frame respectively.

[0018] The beneficial effects of this utility model are:

[0019] By symmetrically installing two anti-drop covers on the outer wall of the detection wheel, on the one hand, the anti-drop covers eliminate the gap between the detection wheel and the fixing frame, preventing the steel cord from falling in. At the same time, they form a complete inclined extension surface between the wire groove and the extension groove, preventing the steel cord from getting stuck inside the anti-drop cover when rotating. Ultimately, this achieves the purpose of preventing the steel cord from falling into the groove, causing the detection device to malfunction or the steel cord to break. On the other hand, the anti-drop covers also limit the detection wheel, ensuring that the detection wheel can rotate normally while limiting its movement, thereby preventing the detection wheel from shaking and affecting the accuracy of the detection results. Attached Figure Description

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Figure 1 This is a schematic diagram of the structure of the steel cord residual twist detection device for preventing wire breakage according to this utility model.

[0022] Figure 2 for Figure 1 The front view of the anti-drop steel cord residual torsion detection device shown.

[0023] Figure 3 for Figure 2 The cross-sectional view of the anti-drop steel cord residual torsion detection device shown.

[0024] Figure 4 This is a schematic diagram of a residual torsion detection device that does not have an anti-drop-off function in the existing technology.

[0025] Explanation of reference numerals in the attached diagram: 1. Hanging bracket; 11. Connecting bolt;

[0026] 2. Rotating assembly; 21. Mounting bolt; 22. First bearing; 23. Washer; 24. Mounting nut;

[0027] 3. Fixing bracket; 31. Rotation through hole; 32. Inspection through hole; 33. Fixing bolt; 34. Fixing nut;

[0028] 4. Inspection wheel; 41. Second bearing; 42. Wheel groove; 43. Wire guide groove;

[0029] 5. Anti-fall cover; 51. Extension groove; 52. Limiting part; 53. Socketing surface; 54. Fitting surface. Detailed Implementation

[0030] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer, the present utility model will now be described in detail with reference to the accompanying drawings. This drawing is a simplified schematic diagram, illustrating only the basic aspects of the present utility model, and therefore only shows the components relevant to the present utility model. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0031] Please refer to Figure 1A device for detecting residual torsion in steel cord to prevent it from falling out includes a suspension frame 1, a fixed frame 3 rotatably mounted at the bottom of the suspension frame 1 via a rotating component 2, and a detection wheel 4 and an anti-fall cover 5 installed inside the fixed frame 3. When the steel cord passes through the detection wheel 4, with the cooperation of the rotating component 2, the residual torsion of the steel cord itself drives the detection wheel 4 and the fixed frame 3 to rotate. During this process, the anti-fall cover 5 protects the detection wheel 4 from both sides to prevent the steel cord from falling into the groove and the detection wheel 4 from shaking.

[0032] Please refer to Figure 1-3 The suspension bracket 1 is designed with an L-shaped structure and is horizontally positioned. Connecting bolts 11 are provided on the side wall of the suspension bracket 1 for installation and fixation.

[0033] Please refer to Figure 1-3 The fixing frame 3 is a rectangular frame structure with a rotating through hole 31 at the top and two detection through holes 32 in the middle. The rotating assembly 2 is installed inside the rotating through holes 31, enabling a rotatable connection between the fixing frame 3 and the suspension frame 1. Fixing bolts 33 are installed inside the two detection through holes 32, extending through both sides of the fixing frame 3. The fixing bolts 33 pass through the detection wheel 4 and the anti-fall cover 5, with a fixing nut 34 installed at each end of the fixing bolt 33. The fixing bolts 33 securely mount the detection wheel 4 and the anti-fall cover 5, while the fixing nuts 34 ensure a tight and reliable installation.

[0034] Please refer to Figure 1-3 The rotating assembly 2 includes a mounting bolt 21 that passes through the suspension bracket 1 and the fixed frame 3. A mounting nut 24 is installed at each end of the mounting bolt 21, which limits the movement of the suspension bracket 1 and the fixed frame 3, ensuring a reliable and secure installation. A first bearing 22 is fitted in the middle of the mounting bolt 21 and is installed inside a rotation through hole 31 on the fixed frame 3, allowing the fixed frame 3 to rotate relative to the mounting nut 24 and the suspension bracket 1. A washer 23 is installed on the top of the first bearing 22, with both ends of the washer abutting against the suspension bracket 1 and the fixed frame 3 respectively. During the rotation of the fixed frame 3, the washer 23 provides cushioning between the suspension bracket 1 and the fixed frame 3, preventing friction and damage.

[0035] Please refer to Figure 1-3 The detection wheel 4 is designed as a disc structure. A second bearing 41 is installed inside the detection wheel 4. The second bearing 41 is mounted on the fixed frame 3, and the detection wheel 4 is mounted on the fixing bolt 33 via the second bearing 41, allowing the detection wheel 4 to rotate relative to the fixing bolt 33. A wheel groove 42 is formed in the center of the detection wheel 4, and symmetrical wire passage grooves 43 are formed on both sides of the wire passage groove 43, which are inclined. During detection, the steel cord passes through the wheel groove 42, and when the steel cord rotates due to residual torsion, it comes into contact with the wire passage groove 43.

[0036] Please refer to Figure 1-3 The anti-drop cover 5 is symmetrically arranged about the detection wheel 4 and is a hollow conical disc structure. The side of the anti-drop cover 5 closest to the detection wheel 4 has a fitting surface 53, and the side closest to the fixing frame 3 has a contact surface 54. The fitting surface 53 is fitted onto the outside of the detection wheel 4, and its diameter matches the outer diameter of the detection wheel 4. The anti-drop cover 5, through the fitting surface 53, wraps around the outside of the detection wheel 4, preventing it from shaking while ensuring the detection wheel 4 can rotate normally. The contact surface 54 is in contact with the inner wall of the fixing frame 3. The contact between the anti-drop cover 5 and the fixing frame 3 prevents the detection wheel 4 from shaking and is thus limited in its position. The anti-drop cover 5 has a cylindrical limiting part 52 on the side away from the sleeve surface 53, and an extension groove 51 adapted to the shape of the detection wheel 4 on the side of the anti-drop cover 5 closer to the sleeve surface 53. The extension groove 51 is coaxial with the wire guide groove 43 on the detection wheel 4, so that a complete inclined extension surface is formed between the wire guide groove 43 and the extension groove 51, preventing the steel cord from getting stuck inside the anti-drop cover 5 when rotating. An oblong hole is provided on the contact surface 54 of the anti-drop cover 5 to facilitate observation and monitoring of the rotation of the detection wheel 4.

[0037] Specifically, please refer to Figure 2 and Figure 4 Traditional residual torsion detection devices only have a detection wheel 4. When a thicker steel cord passes through the detection wheel 4, it is easy for it to fall into the gap between the detection wheel 4 and the fixing frame 3, causing the detection device to malfunction and the steel cord to break. In this embodiment, two anti-drop covers 5 are symmetrically fitted on the outer wall of the detection wheel 4. On the one hand, the anti-drop covers 5 eliminate the gap between the detection wheel 4 and the fixing frame 3, preventing the steel cord from falling in. At the same time, they form a complete inclined extension surface between the wire groove 43 and the extension groove 51, preventing the steel cord from getting stuck inside the anti-drop cover 5 when rotating. This ultimately achieves the purpose of preventing the steel cord from falling into the groove, causing the detection device to malfunction and the steel cord to break. On the other hand, the anti-drop covers 5 can also limit the detection wheel 4, ensuring that the detection wheel 4 can rotate normally while limiting its movement, thereby preventing the detection wheel 4 from shaking and affecting the accuracy of the detection results.

[0038] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] It should be understood that the terms "length", "width", "up", "down", "front and back", "left and right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0040] Based on the preferred embodiments of this utility model described above, those skilled in the art can make various changes and modifications without departing from the scope of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A device for detecting residual twist of a steel cord against slippage, characterized in that: Including the pull frame (1), the fixed frame (3) is rotatably installed at the bottom of the pull frame (1) through the rotating assembly (2), and the detection wheel (4) and the anti-drop cover (5) are installed inside the fixed frame (3), the anti-drop cover (5) is symmetrically arranged about the detection wheel (4).

2. A device for detecting residual twist of a steel cord against breakage according to claim 1, characterized in that: The anti-drop cover (5) is provided as a hollow conical disc structure, the side of the anti-drop cover (5) close to the detection wheel (4) is provided as a sleeving surface (53), and the side of the anti-drop cover (5) close to the fixed frame (3) is provided as a fitting surface (54).

3. A device for detecting residual twist of a steel cord against slippage according to claim 2, characterized in that: The side of the anti-drop cover (5) close to the sleeving surface (53) is provided with an extension groove (51) matched with the shape of the detection wheel (4), and the side of the anti-drop cover (5) away from the sleeving surface (53) is provided with a cylindrical limiting portion (52).

4. A device for detecting residual twist of a steel cord against falling off according to claim 3, characterized in that: The sleeving surface (53) is sleeved outside the detection wheel (4), and the fitting surface (54) is fitted with the inner wall of the fixed frame (3).

5. A device for detecting residual twist of a steel cord against slippage according to claim 1, characterized in that: The second bearing (41) is arranged inside the detection wheel (4), and the second bearing (41) is sleeved on the fixed frame (3).

6. A device for detecting residual twist of a steel cord against slippage according to claim 5, characterized in that: A wheel groove (42) is formed in the center of the detection wheel (4), and a wire passing groove (43) is symmetrically formed on both sides of the wheel groove (42), and the wire passing groove (43) is inclined.

7. A device for detecting residual twist of a drop-resistant steel cord according to claim 1, characterized in that: The fixed frame (3) is provided with a fixed bolt (33), the fixed bolt (33) is arranged through the detection wheel (4) and the anti-drop cover (5), and the fixed bolt (33) is provided with a fixed nut (34) at each end.

8. A device for detecting residual twist of a drop-resistant steel cord according to claim 1, characterized in that: The rotating assembly (2) includes an installation bolt (21) arranged through the pull frame (1) and the fixed frame (3), the installation bolt (21) is provided with a first bearing (22) in the middle, and the installation bolt (21) is provided with an installation nut (24) at each end.

9. A device for detecting residual twist of a drop-resistant steel cord according to claim 8, characterized in that: The first bearing (22) is installed inside the fixed frame (3).

10. A device for detecting residual twist of a drop-resistant steel cord according to claim 9, characterized in that: The first bearing (22) is provided with a gasket (23) on the top, and the gasket (23) is respectively abutted with the pull frame (1) and the fixed frame (3) at both ends.

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