A device for improving the jamming of the tongs of a coiler

Abstract

The utility model discloses a device that improves the jam of coiler jaw, including slider and inclined wedge, slider plays the role of connection and drive, and the surface of slider is equipped with convex part A at equal intervals, and the side of slider is equipped with through -hole A at equal intervals, and through -hole A is used for the installation and fixed of slider, the utility model discloses the mechanical restraint that is formed through T type dovetail type key and T type dovetail type slot, through the movement mode of initiative drive, even if the existence of iron slag debris in the working environment, when the debris enters the clearance of slider and inclined wedge, under the powerful driving force of hydraulic stem, T type dovetail structure still can forcibly drive inclined wedge movement, ensure that the inclined wedge does not jam because of the hindrance of debris, and the situation that coiler jaw is stuck and cannot contract is eradicated, avoid the production line shutdown accident caused by the jaw jam, through the double fixed mode of slider and T type dovetail type key through bolt and positioning pin, ensure that the both do not appear loose or relative displacement in the long -term movement process.

Description

Technical Field

[0001] This utility model relates to the field of steel coiling machine technology, specifically a device for improving the clamping of coiling machine jaws. Background Technology

[0002] Coilers are an indispensable key piece of equipment in the steel production process (especially the rolling process). They are used to wind rolled long strips (hot-rolled strip steel, cold-rolled strip steel, stainless steel strip, aluminum strip, etc.) into tight steel coils (or coils) for easy storage, transportation and subsequent processing (such as annealing, pickling, finishing, shearing, etc.).

[0003] In the hot annealing and pickling production line of stainless steel strip, the coiler is one of the key process links. Its main function is to wind the rolled steel strip into a tight coil. This is achieved through hydraulic drive (the strip head passes through the coiler jaws, then the coiler expands to clamp the strip head before coiling). However, in existing technology (refer to...), Figure 1-6 In actual working environments, due to the unavoidable presence of foreign objects such as iron slag and debris in the production site, and the limited downward pressure of the sector block on the wedge, when these iron slag and debris enter the slider ( Figure 1-6 (as shown in Figure 7) and wedge ( Figure 1-6 When the gap is not properly closed (as shown in Figure 1), the wedge is easily jammed by debris and cannot be pressed down normally. This causes the coiler jaws to be unable to retract, and the steel coil cannot be unloaded smoothly from the coiler. The production line has to stop to wait for the fault to be dealt with, which seriously affects production efficiency, increases production costs, and may also have a negative impact on the quality of the steel coil if not handled properly, such as causing problems such as side bulging and surface scratches.

[0004] In light of this, we have introduced a device to improve the jamming of the winding machine jaws. Utility Model Content

[0005] The purpose of this invention is to provide a device for improving the jamming of the winding machine jaws, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a device for improving the jamming of the winding machine jaws, comprising: a slider and a wedge; The slider serves as a connector and driver, and its surface is provided with protrusions A at equal intervals, while its sides are provided with through holes A at equal intervals. The through holes A are used for mounting and fixing the slider. The wedge surface is provided with protrusions B at equal intervals, and the protrusions B are in contact with the protrusions A. Driven by the protrusions A of the slider, the protrusions B on the wedge surface can convert the motion transmitted by the slider into motion in other directions, thereby achieving clamping and releasing. The surfaces of the slider and the wedge are respectively equipped with limiting structures. The T-shaped dovetail key and T-shaped dovetail groove of the limiting structure form a mechanical constraint. When the hydraulic rod pushes the slider to move along the main shaft, it actively brings down the wedge. Even when there are iron slag fragments, the wedge can be pushed down by the hydraulic rod, preventing the coiler from being unable to retract the steel coil due to the jaws getting stuck. This forced driving method breaks the limitation of the traditional structure where debris can easily cause jamming, and greatly improves the anti-interference ability of the device.

[0007] Preferably, the limiting structure includes a side portion connected to the surface of a T-shaped dovetail key. The T-shaped dovetail key is detachably connected to two sets of protrusions A on the surface of the slider. A T-shaped dovetail groove is formed inside the two sets of protrusions B. The T-shaped dovetail key slides inside the T-shaped dovetail groove. Side grooves for sliding the side portion are formed inside the two sets of protrusions B. Mounting grooves for installing the T-shaped dovetail key are formed on the surface of the two sets of protrusions A. The multi-directional sliding fit not only enhances the stability of the limiting but also guides debris out of the gap, further reducing the risk of jamming.

[0008] Preferably, the bottom of the slider is connected to a bolt, which penetrates the slider and the protrusion A and enters the interior of the T-shaped dovetail key. The interior of the slider is provided with a threaded hole for screwing the bolt. This deep-penetrating bolt fixing method can prevent the T-shaped dovetail key from loosening during long-term sliding, ensure the continuous effectiveness of the limiting structure, and avoid movement jamming caused by loose parts.

[0009] Preferably, a positioning pin is provided between the slider and the protrusion A for further fixation; the positioning pin and the bolt form a double fixation, which strengthens the connection strength between the protrusion A and the slider from different dimensions, prevents relative displacement between the two during the force transmission process, ensures the accuracy of motion transmission, and reduces the causes of jamming.

[0010] Preferably, the slider has an installation port on one side of its surface and a screw hole A on the other side; the installation port provides a suitable space for the installation of driving components such as hydraulic rods, and the screw hole A facilitates the fixing of protective or auxiliary components, making the overall structure more compact and reducing the probability of jamming caused by external interference.

[0011] Preferably, a screw hole B for fixing is provided on one side of the wedge; the screw hole B can securely connect the wedge to other related components of the winding machine jaws, ensuring the synchronization of the wedge's movement with the jaws during movement transformation, and avoiding movement delay or jamming caused by loose connection.

[0012] Preferably, the surface of the wedge has a slot for mounting the locking block, and the surface of the wedge has a positioning hole for positioning; the positioning hole ensures that the locking block is installed in a precise position, maintains the stability of the wedge's movement, and indirectly reduces jamming.

[0013] Preferably, the protrusion B has a through hole B on its side and a groove on its side; the through hole B can serve as a discharge channel for debris, while the groove can accommodate some debris that cannot be discharged in time, preventing debris from accumulating on the contact surface between the protrusion B and A, ensuring smooth contact between the two, and reducing jamming caused by debris compression.

[0014] Preferably, the surface of the slider is provided with sliding joints A at equal intervals between two sets of protrusions A, and the surface of the wedge is provided with sliding joints B at equal intervals between two sets of protrusions B. The cooperation between sliding joints A and B reduces the contact area between the slider and the wedge, reduces frictional resistance, and their equal distribution can disperse the force, avoiding local friction overheating that could cause component deformation and jamming.

[0015] Compared with the prior art, the beneficial effects of this utility model are: (1) Through the mechanical constraint formed by the T-shaped dovetail key and the T-shaped dovetail groove, the traditional wedge is transformed into an active driving motion mode by relying on its own gravity or passive force to press down. This active driving design ensures that even if there are iron slag fragments in the working environment, when these fragments enter the gap between the slider and the wedge, the T-shaped dovetail structure can still force the wedge to move under the powerful driving force of the hydraulic rod, ensuring that the wedge will not be stuck due to the obstruction of the fragments. This fundamentally eliminates the situation where the coiler jaws are stuck and cannot retract, ensuring that the steel coil can be smoothly unloaded from the coiler and avoiding production line shutdown accidents caused by jaw jamming. (2) Since the problem of jaw jamming has been completely solved, production line downtime caused by handling jamming faults has been avoided, unnecessary downtime loss has been reduced, thereby improving production efficiency; (3) By using a double fixing method of bolts and positioning pins to fix the slider and the T-shaped dovetail key, it is ensured that the two will not loosen or shift relative to each other during long-term movement. Attached Figure Description

[0016] Figure 1 A schematic diagram of the structure of a prior art slider; Figure 2 This is a top-view structural diagram of a prior art slider. Figure 3 This is an enlarged structural diagram of the slider section in existing technology; Figure 4 A schematic diagram of the existing technology's wedge structure viewed from the front; Figure 5 This is a schematic diagram of the existing wedge cross section structure; Figure 6 This is a schematic diagram of the existing wedge structure from the side view. Figure 7This is a schematic diagram of the structure of the slider and the T-shaped dovetail key in three dimensions of this utility model; Figure 8 This is a side view of the slider and T-shaped dovetail key of this utility model. Figure 9 This is a top view of the slider structure of this utility model; Figure 10 This is a schematic diagram of the structure of the present invention when the wedge and the T-shaped dovetail groove are connected in three dimensions; Figure 11 This is a side view of the structural diagram of the wedge of this utility model; Figure 12 This is a three-dimensional structural diagram of the inclined wedge of this utility model viewed from below.

[0017] In the diagram: 1. Wedge; 2. Protrusion B; 3. Through hole B; 4. Positioning hole; 5. Groove; 6. Screw hole B; 7. Slider; 8. Mounting port; 9. Protrusion A; 10. Threaded hole; 11. Through hole A; 12. T-shaped dovetail key; 13. Bolt; 14. Mounting groove; 15. Side part; 16. Sliding part A; 17. T-shaped dovetail groove; 18. Side groove; 19. Slot; 20. Sliding part B; 21. Positioning pin; 22. Screw hole A. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed", "equipped with", "sleeved with", "connected", etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral 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 a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0020] Please see Figure 7-12This utility model provides a technical solution: a device for improving the jamming of the coiler jaws, comprising: a slider 7, which is the core connecting and driving component of the device, with protrusions A9 evenly spaced on its surface, which are not only key parts for contact with the wedge 1, but also important mediums for force and motion transmission; and through holes A11 evenly spaced on the side, which provide precise positioning for the installation and fixing of the slider, ensuring that the slider will not have displacement deviation during operation, thus laying the foundation for the stable operation of the entire device.

[0021] The wedge 1 plays an important role in motion conversion. Its surface has equally spaced protrusions B2 that are in close contact with the protrusions A9 of the slider 7. When the slider 7 moves, the protrusions B2 can accurately convert the motion transmitted by the slider into motion in other directions, thereby realizing the clamping and loosening action of the coiler jaws. This conversion process is directly related to the working efficiency of the coiler and the coiling quality of the steel coil.

[0022] To ensure the accuracy and stability of the movement between the slider 7 and the wedge 1, limiting structures are set on the surfaces of both. These limiting structures form a strict mechanical constraint through the cooperation of the T-shaped dovetail key 12 and the T-shaped dovetail groove 17. This constraint method can effectively limit the relative movement trajectory of the two. When the hydraulic rod pushes the slider 7 to move along the main shaft, it can actively drive the wedge 1 to move synchronously under the action of the limiting structure. Even in harsh working conditions with iron slag and debris, the wedge 1 can be pressed down smoothly by the pushing force of the hydraulic rod, fundamentally eliminating the problem that the coiler cannot retract the steel coil due to the jaws being stuck.

[0023] The limiting structure is ingeniously designed. The side portion 15 connected to the surface of the T-shaped dovetail key 12 slides into the side grooves 18 inside the two sets of protrusions B2, further enhancing the limiting effect. The T-shaped dovetail key 12 is detachably connected to the two sets of protrusions A9 on the surface of the slider 7, and the surfaces of the two sets of protrusions A9 are provided with mounting grooves 14 for installing the T-shaped dovetail key 12. This detachable connection method facilitates the maintenance and replacement of the components. At the same time, the T-shaped dovetail groove 17 is opened inside the two sets of protrusions B2, and the T-shaped dovetail key 12 slides into the T-shaped dovetail groove 17, ensuring smooth sliding between the two.

[0024] To strengthen the connection between the slider 7 and the T-shaped dovetail key 12, a bolt 13 is connected to the bottom of the slider 7. The bolt 13 passes through the slider 7 and the protrusion A9 and enters the interior of the T-shaped dovetail key 12. The interior of the slider 7 has a threaded hole 10 for screwing the bolt 13. The tightening action of the bolt 13 effectively prevents the T-shaped dovetail key 12 from loosening during movement. In addition, a positioning pin 21 is provided between the slider 7 and the protrusion A9 for further fixation. The double fixing method greatly improves the structural stability of the device.

[0025] The slider 7 has an installation port 8 on one side of its surface, providing space for the installation of related auxiliary components; the screw hole A22 on one side can be used to fix other connecting parts, enhancing the overall integrity of the device; the wedge 1 has a screw hole B6 on one side of its side for fixing, facilitating the connection and fixing of the wedge 1 with other components; the slot 19 on the surface of the wedge 1 is used to install a card block, and different functional card blocks can be installed according to actual working needs; the positioning hole 4 on the surface can ensure the positioning accuracy of the wedge 1 during installation and operation.

[0026] The protrusion B2 has a through hole B3 and a groove 5 on its side. The through hole B3 can be used to pass through the connector or as a weight reduction hole. The groove 5 can reduce the weight of the component without affecting the strength, and at the same time provide a certain space for iron slag and debris, reducing interference with the movement. The surface of the slider 7 has sliding joints A16 located between the two sets of protrusions A9 at equal intervals. The surface of the wedge 1 has sliding joints B20 located between the two sets of protrusions B2 at equal intervals. These sliding joints can reduce the contact area between the two, reduce frictional resistance, make the relative movement smoother, and further improve the working efficiency of the device.

[0027] This device, through the precise structural design and coordinated movement of slider 7 and wedge 1, achieves stable and smooth contraction and unwinding of the winding machine jaws. Its specific workflow is as follows (refer to...). Figure 7-12 ): When the coiler completes the coiling operation and needs to unwind the coil, the hydraulic system activates and drives the hydraulic rod to generate thrust. This thrust acts directly on the slider 7, causing it to move along the main axis of the coiler. The equally spaced protrusions A9 on the surface of the slider 7 precisely contact the equally spaced protrusions B2 on the surface of the wedge 1. This contact provides a stable force point for the motion transmission between the two. Simultaneously, the T-shaped dovetail key 12 installed on the slider 7 precisely embeds into the T-shaped dovetail groove 17 on the wedge 1. This T-shaped dovetail structure forms a strict mechanical constraint, limiting the relative displacement between the slider 7 and the wedge 1 except for the preset direction of motion (compared to existing technology). Figure 1-6 The slider 7 and wedge 1 have been significantly improved. During the movement of slider 7, due to the trapezoidal structure design of T-shaped dovetail key 12 and T-shaped dovetail groove 17 (wider at the top and narrower at the bottom), slider 7 can only drive wedge 1 to move synchronously along the inclined direction of wedge 1. When slider 7 moves outward under the continuous action of hydraulic rod, T-shaped dovetail key 12 will generate tension on the inner wall of T-shaped dovetail groove 17 (i.e., side part 15 slides in side groove 18), thereby actively pulling wedge 1, so that wedge 1 moves together with slider 7. In this process, the axial movement of slider 7 is smoothly converted into the radial movement of wedge 1, thereby driving the jaw component of the coiler to retract (compared to the prior art). Figure 1-6 The slider 7 and wedge 1 have been significantly improved. The connection between slider 7 and T-shaped dovetail key 12 is fixed by bolt 13. Bolt 13 passes through the body of slider 7 and protrusion A9 in sequence, and then extends into the interior of T-shaped dovetail key 12. It is tightly screwed into the threaded hole 10 opened inside slider 7. This connection method ensures the firmness of the connection between the two. At the same time, a positioning pin 21 is also provided between slider 7 and protrusion A9. The positioning pin 21 can be accurately embedded in the corresponding pin hole of the two, further ensuring that the relative position between slider 7 and protrusion A9 will not shift or loosen during the movement, thus ensuring the stability of the overall structure. The wedge 1 is fixed to other related parts of the winding machine by screws and other fasteners through the screw hole B6 opened on its side, thereby ensuring the positional stability of the wedge 1 during the movement and avoiding wobbling or other situations that affect the movement accuracy. Furthermore, the sliding joints A16, which are equally spaced on the surface of the slider 7 and located between the two sets of protrusions A9, cooperate with the sliding joints B20, which are equally spaced on the surface of the wedge 1 and located between the two sets of protrusions B2. The surfaces of these two sliding joints are precision-machined and have low roughness, which can effectively reduce the frictional resistance between the slider 7 and the wedge 1 during movement, ensuring smoother relative movement between the two. The through holes A11 on the protrusions A9 are not only used for the installation and fixation of the slider 7 on the winding machine, but also reduce friction during movement. The weight of slider 7 reduces motion inertia; the through hole B3 and groove 5 on the side of the protrusion B2 also play a role in assisting positioning, reducing the weight of wedge 1, and preventing interference with other components during movement. Even if there are iron slag fragments in the working environment, these fragments may enter the gap between slider 7 and wedge 1, but under the forced driving action of the T-shaped dovetail key and T-shaped dovetail groove, wedge 1 can still be reliably pressed down, ensuring that the jaws can retract smoothly, fundamentally avoiding jamming (compared to existing technology). Figure 1-6 The slider 7 and wedge 1 have been significantly improved. When the coiler needs to clamp the steel strip for coiling, the hydraulic rod will push the slider 7 to move in the opposite direction. Through the same structural cooperation relationship, namely the contact force transmission between the protrusion A9 and the protrusion B2, and the mechanical constraint between the T-shaped dovetail key 12 and the T-shaped dovetail groove 17, the inclined wedge 1 will move in the opposite direction, causing the sector block of the coiler to move outward along the radial direction, and finally realizing the clamping action of the jaws on the steel strip. The surface of the wedge 1 is also provided with a slot 19 and a positioning hole 4. The slot 19 is used to accurately engage the block, further enhancing the connection stability of the wedge 1 with other related components. The positioning hole 4 plays a positioning role during the installation of the wedge 1, ensuring that the wedge 1 can be accurately installed in the preset position. The mounting port 8 on one side of the surface of the slider 7 provides installation space for the connection of the slider 7 with other driving components. The screw hole A22 on one side can be used to install auxiliary fasteners, enhancing the overall installation stability of the slider 7.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for improving the jamming of the jaws of a winding machine, characterized in that, include: The slider (7) serves as a connector and driver. The surface of the slider (7) is provided with protrusions A (9) at equal intervals, and the side of the slider (7) is provided with through holes A (11) at equal intervals. The through holes A (11) are used for the installation and fixing of the slider. The wedge (1) has protrusions B (2) at equal intervals on its surface, and the protrusions B (2) are in contact with the protrusions A (9). Under the drive of the protrusions A (9) of the slider (7), the protrusions B (2) on the surface of the wedge (1) can convert the motion transmitted by the slider (7) into motion in other directions, thereby achieving clamping and loosening. The surfaces of the slider (7) and the wedge (1) are respectively provided with limiting structures. The T-shaped dovetail key (12) and the T-shaped dovetail groove (17) of the limiting structure are used to form mechanical constraints. When the hydraulic rod pushes the slider (7) to move along the main shaft, it actively brings down the wedge (1). The wedge (1) can also be pushed down by the hydraulic rod in the case of iron slag and debris, so as to prevent the coiler from being unable to retract the steel coil due to the jaws being stuck.

2. The device for improving the jamming of the winding machine jaws according to claim 1, characterized in that, The limiting structure includes a side part (15) connected to the surface of a T-shaped dovetail key (12). The T-shaped dovetail key (12) is detachably connected to two sets of protrusions A (9) on the surface of the slider (7). A T-shaped dovetail groove (17) is opened inside the two sets of protrusions B (2). The T-shaped dovetail key (12) slides inside the T-shaped dovetail groove (17). A side groove (18) for sliding the side part (15) is opened inside the two sets of protrusions B (2). An installation groove (14) for installing the T-shaped dovetail key (12) is opened on the surface of the two sets of protrusions A (9).

3. The device for improving the jamming of the winding machine jaws according to claim 2, characterized in that, The bottom of the slider (7) is connected to a bolt (13), and the bolt (13) passes through the slider (7) and the protrusion A (9) and enters the interior of the T-shaped dovetail key (12). The interior of the slider (7) is provided with a threaded hole (10) for screwing the bolt (13).

4. The device for improving the jamming of the winding machine jaws according to claim 3, characterized in that, A positioning pin (21) for further fixing is also provided between the slider (7) and the protrusion A (9).

5. The device for improving the clamping of a winding machine according to claim 1, characterized in that, The slider (7) has an installation port (8) on one side of its surface and a screw hole A (22) on one side of its surface.

6. The device for improving the jamming of the winding machine jaws according to claim 1, characterized in that, The wedge (1) has a screw hole B (6) for fixing on one side.

7. The device for improving the jamming of the winding machine jaws according to claim 1, characterized in that, The surface of the wedge (1) is provided with a slot (19) for mounting the block, and the surface of the wedge (1) is provided with a positioning hole (4) for positioning.

8. The device for improving the jamming of the winding machine jaws according to claim 1, characterized in that, The protrusion B (2) has a through hole B (3) on its side and a groove (5) on its side.

9. The device for improving the jamming of the winding machine jaws according to claim 1, characterized in that, The surface of the slider (7) is provided with sliding joints A (16) between two sets of protrusions A (9) at equal intervals, and the surface of the wedge (1) is provided with sliding joints B (20) between two sets of protrusions B (2) at equal intervals.

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