Intelligent locking protection device for over-twister protective cover

Abstract

The utility model relates to the technical field of steel cord production, and concretely relates to an intelligent locking protection device for a twist protector cover, comprising: a connecting structure mounted to a device shell; a cylinder connected to the connecting structure, the cylinder being provided at a front end with a telescopic rod passing through the connecting structure; a box door connecting structure provided with a positioning hole, the telescopic rod of the cylinder being capable of being elongated from a first position to a second position and inserted into the positioning hole at the second position. The utility model utilizes the cylinder to drive the position change of the telescopic rod, so that the box door can be switched between the locked and released states, meeting the user's demand for quick switching of the box door state, and utilizing a non-contact means to monitor the position state of the telescopic rod, which can avoid the adverse effects caused by the vibration of the device itself, output a stable and reliable position signal to the controller, so that the controller can ensure the safety interlocking function of the device has high reliability and avoid misoperation.

Description

Technical Field

[0001] This utility model relates to the field of steel cord production technology, and more specifically to an intelligent locking protection device for overtwisting device protective cover. Background Technology

[0002] The locking mechanism of the protective cover of existing twisting equipment generally adopts the traditional bolt fastening method. However, under high-frequency vibration conditions, the bolts are very easy to loosen, which leads to the failure of the protective cover seal, causing dust leakage or lubricating oil leakage, which not only pollutes the environment, but also affects the stable operation of the equipment.

[0003] Therefore, existing technologies have addressed this problem. For example, CN204163502U discloses a pneumatic locking device for an overtwist device, which uses the opening and closing positions of the locking device to form an interlocking mechanism with the equipment. However, the determination of the switching position in this solution is based on the contact of the copper terminals. This method has significant drawbacks. For instance, the copper terminals are prone to poor contact or signal failure due to frequent operation, vibration, dust contamination, or oxidation, and cannot provide reliable locking status feedback. In particular, there is a risk of starting the equipment when the protective cover is not fully locked (or is mistakenly judged to be locked), which poses a serious risk of equipment mis-start and can easily lead to mechanical injuries and other production safety accidents. Utility Model Content

[0004] To address the technical problems existing in the overtwisting device protective cover of the prior art, this utility model proposes an intelligent locking protection device for the overtwisting device protective cover, comprising:

[0005] Connection structure for mounting to the equipment housing;

[0006] A cylinder is connected to the connecting structure, and the front end of the cylinder is provided with a telescopic rod that passes through the connecting structure;

[0007] The door connection structure is provided with a positioning hole. The telescopic rod of the cylinder can extend from a first position to a second position and be inserted into the positioning hole in the second position, so that the door connection structure is relatively fixed to the equipment shell.

[0008] A position detection component includes a proximity sensor and a detection block, wherein the proximity sensor is connected to the connection structure and the detection block is connected to the outer wall of the telescopic rod;

[0009] The detection block is configured to appear in the detection area of ​​the proximity sensor when the telescopic rod moves to the second position, and the proximity sensor outputs a first signal; when the telescopic rod moves to the first position and leaves the detection area of ​​the proximity sensor, the proximity sensor outputs a second signal.

[0010] Preferably, the connection structure includes a first connection structure and a second connection structure. The first connection structure is connected to the device housing. A flexible gasket is provided between the second connection structure and the first connection structure. The second connection structure and the first connection structure are fixed to each other by threaded fasteners.

[0011] Preferably, the flexible gasket includes a rubber gasket.

[0012] Preferably, the second connection structure includes a first mounting surface and a second mounting surface, the first mounting surface and the second mounting surface are perpendicular to each other, the cylinder is mounted to the first mounting surface, and the proximity sensor is mounted to the second mounting surface.

[0013] Preferably, the first mounting surface is provided with a guide cover, the cylinder is mounted to the guide cover, and the telescopic rod passes through the guide hole of the guide cover.

[0014] Preferably, the detection block is constructed as a ring, and the diameter of the detection block is larger than the diameter of the telescopic rod.

[0015] Preferably, when the telescopic rod moves to the second position, the proximity sensor does not contact the detection block.

[0016] Preferably, it also includes a controller, which is used to receive the signal from the proximity sensor and control the drive state of the overtwist motor according to the first signal and the second signal.

[0017] Compared with the prior art, the advantages of this utility model are:

[0018] This invention utilizes a cylinder to drive the position change of a telescopic rod, enabling the door to switch between locked and released states, meeting the user's need for rapid door state switching. Furthermore, it employs a non-contact method to monitor the telescopic rod's position, avoiding adverse effects caused by equipment vibration. A stable and reliable position signal is output to the controller, ensuring high reliability of the equipment's safety interlock function and preventing malfunctions. Attached Figure Description

[0019] The accompanying drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component shown in the various figures may be denoted by the same reference numeral. For clarity, not every component is labeled in each figure. Embodiments of various aspects of the present invention will now be described by way of example and with reference to the accompanying drawings, wherein:

[0020] Figure 1 This is a schematic diagram of the intelligent locking protection device for the overtwisting device shown in this utility model;

[0021] Figure 2This is a schematic diagram of the telescopic rod in the first position as shown in this utility model;

[0022] Figure 3 This is a schematic diagram of the telescopic rod in the second position as shown in this utility model;

[0023] Figure 4 This is a schematic diagram of the interlocking logic shown in this utility model. Detailed Implementation

[0024] To better understand the technical content of this utility model, specific embodiments are provided below in conjunction with the accompanying drawings.

[0025] Combination Figures 1 to 3 As shown, this utility model proposes an intelligent locking protection device for the overtwisting device protective cover, including a connecting structure 10, a cylinder 20, a door connecting structure 30, and a position detection component 40.

[0026] The connecting structure 10 is installed on the equipment housing, and the door connecting structure 30 is connected to the door, which is also the protective cover of the equipment. The door can be opened relative to the housing. During the start-up of the overtwisting device, the door should remain closed, and the overtwisting device is only allowed to start when the door is closed.

[0027] Furthermore, the cylinder 20 is connected to the connecting structure 10. The front end of the cylinder 20 is provided with a telescopic rod 21 that passes through the connecting structure 10. The door connecting structure 30 is provided with a positioning hole 31. The telescopic rod 21 of the cylinder 20 can extend from the first position to the second position and be inserted into the positioning hole 31 in the second position, so that the door connecting structure 30 is relatively fixed to the equipment shell.

[0028] Thus, compared to the original threaded connection structure for fixing the door and the outer shell, the method of inserting the telescopic rod 21 into the positioning hole 31 can meet the needs of quick disassembly and assembly, that is, the door can be switched between open and closed states in a short time. It should be understood that the twister needs to open and close the door during fault handling and process debugging. Therefore, the opening and closing frequency of the twister door is relatively high. If the need for quick disassembly and assembly cannot be met, the efficiency of the above operations will be greatly reduced.

[0029] Furthermore, in order to effectively determine the closed / open state of the door and have high reliability in a high-frequency vibration environment, a non-contact detection method is adopted. Specifically, the position detection component 40 includes a proximity sensor 41 and a detection block 42. The proximity sensor 41 is connected to the connection structure 10, and the detection block 42 is connected to the outer wall of the telescopic rod 21.

[0030] The detection block 42 is configured to appear in the detection area of ​​the proximity sensor 41 when the telescopic rod 21 moves to the second position, and the proximity sensor 41 outputs a first signal. When the telescopic rod 21 moves to the first position, it leaves the detection area of ​​the proximity sensor 41, and the proximity sensor 41 outputs a second signal.

[0031] Thus, when the telescopic rod 21 is inserted into the positioning hole 31, i.e., the door cannot be opened, the telescopic rod 21 is in the second position, and the proximity sensor 41 can detect the presence of the detection block 42. The proximity sensor 41 outputs a first signal, such as a high-level signal. When the telescopic rod 21 is removed from the positioning hole 31, i.e., the door can be opened, the telescopic rod 21 is in the first position, and the proximity sensor 41 cannot detect the presence of the detection block 42. The high-level signal of the proximity sensor 41 disappears, i.e., a second signal is output. Therefore, the controller can determine the state of the door based on the presence or absence of the first signal.

[0032] In an optional embodiment, the connection structure 10 includes a first connection structure 11 and a second connection structure 12. The first connection structure 11 is connected to the device housing. A flexible gasket 111 is provided between the second connection structure 12 and the first connection structure 11. The second connection structure 12 and the first connection structure 11 are fixed to each other by threaded fasteners 13.

[0033] Optionally, the flexible gasket 111 includes a rubber gasket. The second connection structure 12 includes a first mounting surface and a second mounting surface, which are perpendicular to each other. The cylinder 20 is mounted to the first mounting surface, and the proximity sensor 41 is mounted to the second mounting surface.

[0034] Thus, when the telescopic rod 21 is inserted into the positioning hole 31, even if the equipment generates high-frequency vibration, the flexible connection between the first connecting structure 11 and the second connecting structure 12 can prevent the telescopic rod 21 from rigidly colliding with the positioning hole 31, thereby reducing the degree of wear.

[0035] Furthermore, the first mounting surface is provided with a guide cover 14, the cylinder 20 is mounted to the guide cover 14, and the telescopic rod 21 passes through the guide hole of the guide cover 14. In this way, through the guiding effect of the guide cover 14, the connection strength between the telescopic rod 21 and the positioning hole 31, the cylinder 20 and the second connecting structure 12 can be increased, and the positional error of the cylinder 20 caused by long-term vibration can be avoided.

[0036] In an optional embodiment, the detection block 42 is constructed as a ring, and the diameter of the detection block 42 is larger than the diameter of the telescopic rod 21. Thus, as the telescopic rod 21 moves, the proximity sensor 41 detects a nearby object using laser ranging and converts the signal into an electrical signal.

[0037] Understandably, when the telescopic rod 21 moves to the second position, the proximity sensor 41 and the detection block 42 are not in contact. Therefore, when the telescopic rod 21 is in the second or first position, the relative state of the proximity sensor 41 and the detection block 42 remains stable and is not affected by vibration, thus maintaining a stable and effective signal output.

[0038] Combination Figure 4 As shown, the device also includes a controller, which receives signals from the proximity sensor 41 and controls the drive state of the overtwist motor according to the first signal and the second signal.

[0039] Specifically, when the proximity sensor 41 outputs the first signal, it indicates that the door is closed. At this time, it is safe to open the motor, so the motor drive circuit is allowed to open and can operate normally. If the proximity sensor 41 outputs the second signal, it indicates that the door is open. At this time, it is not safe to open the motor, so the motor drive circuit is not allowed to open. In this way, a safety interlock between the door and the equipment motor can be formed.

[0040] In conjunction with the above embodiments, this utility model utilizes the position change of the telescopic rod driven by a cylinder, enabling the cabinet door to switch between locked and released states, meeting the user's need for rapid switching of the cabinet door state. Furthermore, by using non-contact means to monitor the position status of the telescopic rod, it can avoid the adverse effects caused by the vibration of the equipment itself, and output a stable and reliable position signal to the controller. Based on this signal, the controller can ensure that the safety interlock function of the equipment has high reliability and avoid malfunctions.

[0041] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Those skilled in the art to which this invention pertains can make various modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of this invention shall be determined by the claims.

Claims

1. An overtwister guard smart locking protection device, characterized in that, include: Connection structure (10) installed on the equipment housing; A cylinder (20) is connected to the connecting structure (10), and the front end of the cylinder (20) is provided with a telescopic rod (21) that passes through the connecting structure (10); The door connection structure (30) is provided with a positioning hole (31). The telescopic rod (21) of the cylinder (20) can extend from the first position to the second position and be inserted into the positioning hole (31) in the second position, so that the door connection structure (30) is relatively fixed to the equipment shell. The position detection component (40) includes a proximity sensor (41) and a detection block (42), wherein the proximity sensor (41) is connected to the connection structure (10) and the detection block (42) is connected to the outer wall of the telescopic rod (21); The detection block (42) is configured to appear in the detection area of ​​the proximity sensor (41) when the telescopic rod (21) moves to the second position, and the proximity sensor (41) outputs a first signal. When the telescopic rod (21) moves to the first position, it leaves the detection area of ​​the proximity sensor (41), and the proximity sensor (41) outputs a second signal.

2. The overlocker shield smart lock protection device according to claim 1, wherein, The connection structure (10) includes a first connection structure (11) and a second connection structure (12). The first connection structure (11) is connected to the equipment housing. A flexible gasket (111) is provided between the second connection structure (12) and the first connection structure (11). The second connection structure (12) and the first connection structure (11) are fixed to each other by threaded fasteners (13).

3. The overlocker protective cover smart locking protection device according to claim 2, wherein, The flexible gasket (111) includes a rubber gasket.

4. The intelligent locking protection device for the overtwisting device protective cover according to claim 1, characterized in that, The second connection structure (12) includes a first mounting surface and a second mounting surface, the first mounting surface and the second mounting surface are perpendicular to each other, the cylinder (20) is mounted on the first mounting surface, and the proximity sensor (41) is mounted on the second mounting surface.

5. The intelligent locking protection device for the overtwisting device protective cover according to claim 4, characterized in that, The first mounting surface is provided with a guide cover (14), the cylinder (20) is mounted to the guide cover (14), and the telescopic rod (21) passes through the guide hole of the guide cover (14).

6. The intelligent locking protection device for the overtwisting device protective cover according to claim 1, characterized in that, The detection block (42) is constructed as a ring, and the diameter of the detection block (42) is larger than the diameter of the telescopic rod (21).

7. The intelligent locking protection device for the overtwisting device protective cover according to any one of claims 1-6, characterized in that, When the telescopic rod (21) moves to the second position, the proximity sensor (41) does not contact the detection block (42).

8. The intelligent locking protection device for the overtwisting device protective cover according to any one of claims 1-7, characterized in that, It also includes a controller for receiving signals from the proximity sensor (41) and controlling the drive state of the overtwist motor according to the first signal and the second signal.

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