Pay-off automatic control device and steel wire rope stranding machine

Abstract

The utility model discloses an automatic pay-off control device and a steel wire rope stranding machine, and relates to the technical field of steel wire rope production, the automatic pay-off control device comprises a pay-off rack, a pay-off disc, a damping disc, a damping chain, a first spring, an adjusting hole and an adjusting rod, and the pay-off rack is provided with a driving mechanism used for driving the adjusting rod to move; the driving mechanism comprises a mounting rack mounted on the pay-off rack, a lead screw rotationally connected to the mounting rack, a hand wheel mounted at one end of the lead screw and a guide rod fixedly connected to the mounting rack; the lead screw is in threaded connection with a moving plate, the moving plate is slidably connected to the guide rod, and the end, away from the first spring, of the adjusting rod is installed on one side of the moving plate. The pre-tightening force of the damping chain can be adjusted conveniently.

Description

Technical Field

[0001] The present application relates to the technical field of wire rope production, and in particular to an automatic wire-paying control device and a wire rope stranding machine. Background Art

[0002] At present, during the twisting process of wire rope, the pay-off device of the stranding machine should maintain a stable pay-off tension to ensure that the strands of the wire rope are uniform and the wire is not twisted or knotted.

[0003] Related technology can refer to the Chinese utility model patent with authorization announcement number CN209554522U, which discloses an automatic wire-paying control device, including a wire-paying frame and a spring, the wire-paying frame is rotatably connected to the wire-paying drum, and the wire-paying frame is provided with a damping disk, the damping disk is coaxially arranged with the wire-paying drum, a damping chain is wrapped around the damping disk, the first end of the damping chain is fixed on the wire-paying frame, and the second end of the damping chain is fixedly connected to one end of the spring, the end of the second end of the damping chain is provided with a transmission plate, the wire-paying frame is fixedly connected with a driving device, the output end of the driving device is fixedly connected to the transmission plate to drive the second end of the damping chain to move along the extension and contraction direction of the spring; an adjustment hole is opened on the wire-paying frame, and an adjusting rod is fixedly connected to the wire-paying frame through an adjusting nut, and the end of the spring away from the damping chain is fixedly connected to the adjusting rod.

[0004] However, the operation of adjusting the preload force of the damping chain by using the adjusting rod and the adjusting nut is relatively complicated, thereby making it inconvenient to adjust the preload force of the damping chain. Utility Model Content

[0005] The present application provides an automatic wire-paying control device and a wire rope stranding machine, which facilitate the adjustment of the preload force of the damping chain, and adopts the following technical solutions:

[0006] A wire-paying automatic control device and a wire rope stranding machine, comprising a wire-paying frame, a wire-paying drum, a damping disk, a damping chain, a first spring, an adjustment hole and an adjustment rod; the wire-paying frame is provided with a driving mechanism for driving the adjustment rod to move; the driving mechanism comprises a mounting frame mounted on the wire-paying frame, a lead screw rotatably connected to the mounting frame, a handwheel mounted on one end of the lead screw and a guide rod fixed to the mounting frame; a movable plate is threadedly connected to the lead screw, the movable plate is slidably connected to the guide rod, and the end of the adjustment rod away from the first spring is mounted on one side of the movable plate.

[0007] When the preload force of the damping chain needs to be adjusted, the lead screw is first driven to rotate by the hand wheel, and the rotation of the lead screw drives the movable plate to move, and the movement of the movable plate drives the adjusting rod to move, and the movement of the adjusting rod can adjust the preload force of the damping chain; in summary, by adopting the above scheme, it is convenient to adjust the preload force of the damping chain.

[0008] Preferably, a threaded rod is fixedly connected to one end of the adjustment rod close to the movable plate, a threaded hole is formed at one end of the movable plate away from the mounting frame, and the threaded rod is threadedly connected to the threaded hole.

[0009] By adopting the above solution, the provided threaded rod and threaded hole facilitate the connection between the adjusting rod and the movable plate.

[0010] Preferably, a plug board is fixed to the top of the mounting frame, a plug hole for plugging the plug board is provided on the top of the pay-off frame, and a fixing mechanism for fixing the plug board is installed on the top of the pay-off frame.

[0011] When the mounting bracket needs to be installed, the mounting bracket is first moved to be plugged into the socket, and then the plug board is fixed by the fixing mechanism, so that the mounting bracket can be installed. In summary, the above solution facilitates the installation of the mounting bracket.

[0012] Preferably, the fixing mechanism includes a dovetail groove opened on the top of the wire pay-off frame, a dovetail block slidably connected to the dovetail groove, and a second spring fixed to one side of the dovetail block; the end of the second spring away from the dovetail block is fixed to the inner wall of one end of the dovetail groove; the top of the dovetail block is fixed to a limit plate, a limit groove is opened on one side of the plug plate, an inclined surface is provided on the side of the limit plate close to the plug plate, and one end of the limit plate is inserted into the limit groove; the other end of the limit plate is fixed to a pull rod.

[0013] By adopting the above solution, when the plug-in board is plugged into the plug-in hole, the plug-in board drives the limit plate to move away from the plug-in board under the action of the inclined surface, and the movement of the limit plate drives the dovetail block to move, and the movement of the dovetail block presses the second spring; when the plug-in board is plugged into the plug-in hole, the dovetail block drives the limit plate to plug into the limit groove under the action of the second spring, thereby fixing the plug-in board; the provided fixing mechanism facilitates the fixing of the plug-in board.

[0014] Preferably, a connecting mechanism for fixing the handwheel is installed at one end of the lead screw away from the first spring.

[0015] By adopting the above solution, the provided connecting mechanism facilitates the connection between the hand wheel and the lead screw.

[0016] Preferably, the connecting mechanism includes a connecting tube fixed to the end of the screw away from the first spring, a through hole is opened on the side wall of the connecting tube, an insertion rod is slidably connected to the through hole, one end of the handwheel is fixed to a connecting rod, the end of the connecting rod away from the handwheel is slidably connected to the inner cavity of the connecting tube, and a slot is opened on the side wall of the end of the connecting rod away from the handwheel, and one end of the insertion rod is inserted into the slot.

[0017] By adopting the above scheme, when the handwheel needs to be connected to the screw, the connecting rod is first driven by the handwheel to be inserted into the connecting tube, and then the insertion rod is moved to be inserted into the slot, so that the handwheel and the screw can be connected; in summary, the provided connecting mechanism facilitates the connection between the handwheel and the screw.

[0018] Preferably, a plurality of reset blocks are fixed to the side wall of the insertion rod, and each reset block is fixed to an elastic block at one end away from the connecting rod, and the elastic block is fixed to the inner side wall of the connecting tube at one end away from the reset block.

[0019] By adopting the above solution, the reset block and the elastic block can make the connection between the insertion rod and the slot more secure.

[0020] A wire rope stranding machine comprises a stranding machine body and a wire-paying automatic control device.

[0021] In summary, this application has the following beneficial effects:

[0022] 1. When the preload force of the damping chain needs to be adjusted, the handwheel is used to drive the lead screw to rotate. The lead screw rotation drives the movable plate to move. The movement of the movable plate drives the adjustment rod to move. The movement of the adjustment rod can adjust the preload force of the damping chain. In summary, the above solution makes it easy to adjust the preload force of the damping chain.

[0023] 2. When the mounting bracket needs to be installed, first move the mounting bracket to plug it into the socket, and then fix the plugboard using the fixing mechanism, so that the mounting bracket can be installed. In summary, the above solution facilitates the installation of the mounting bracket.

[0024] 3. When the handwheel needs to be connected to the lead screw, first drive the connecting rod to be inserted into the connecting cylinder through the handwheel, and then move the insertion rod to insert the insertion rod into the slot, so that the handwheel and the lead screw can be connected; in summary, the connection mechanism provided facilitates the connection between the handwheel and the lead screw. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present application;

[0026] Figure 2 This is a cross-sectional view highlighting the fixing mechanism in an embodiment of the present application;

[0027] Figure 3 This is a cross-sectional view highlighting the connection mechanism in the embodiment of the present application.

[0028] Explanation of the accompanying reference numerals: 1. pay-off rack; 11. pay-off reel; 12. damping disc; 13. damping chain; 14. first spring; 15. adjusting hole; 16. adjusting rod; 161. threaded rod; 17. inserting hole; 18. through hole; 2. driving mechanism; 21. mounting frame; 22. lead screw; 23. hand wheel; 24. guide rod; 25. movable plate; 251. threaded hole; 26. inserting plate; 261. limiting groove; 3. fixing mechanism; 31. dovetail groove; 32. dovetail block; 33. second spring; 34. limiting plate; 341. inclined plane; 35. pull rod; 4. connecting mechanism; 41. connecting cylinder; 411. through hole; 42. inserting rod; 43. connecting rod; 431. slot; 44. reset block; 45. elastic block. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-3 This application is described in further detail.

[0030] Identical components are denoted by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," "lower," "bottom," and "top" used in the following description refer to directions in the accompanying drawings, and the terms "inner" and "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

[0031] The present application discloses an automatic pay-off control device and a wire rope stranding machine, comprising a pay-off frame 1, a pay-off drum 11, a damping disk 12, a damping chain 13, a first spring 14, an adjustment hole 15 and an adjustment rod 16. A driving mechanism 2 for driving the adjustment rod 16 to move is installed on the pay-off frame 1.

[0032] The drive mechanism 2 includes a mounting frame 21 mounted on the pay-off frame 1, a lead screw 22 horizontally connected to the mounting frame 21 via a bearing, a handwheel 23 mounted at one end of the lead screw 22, and a guide rod 24 horizontally fixed to the mounting frame 21. A movable plate 25 is threadedly connected to the lead screw 22, and the guide rod 24 is disposed through the movable plate 25. The movable plate 25 is connected to the guide rod 24 for sliding movement along the axial direction of the lead screw 22. The end of the adjustment rod 16 away from the first spring 14 is mounted on one side of the movable plate 25. When the preload of the damping chain 13 needs to be adjusted, the lead screw 22 is first driven to rotate by the handwheel 23. The rotation of the lead screw 22 drives the movable plate 25 to move. The movement of the movable plate 25 drives the adjustment rod 16 to move. The movement of the adjustment rod 16 can adjust the preload of the damping chain 13. In summary, by adopting the above solution, the preload of the damping chain 13 can be easily adjusted.

[0033] A threaded rod 161 is fixedly connected to one end of the adjusting rod 16 close to the movable plate 25 . The threaded rod 161 is coaxial with the adjusting rod 16 . A threaded hole 251 is defined at one end of the movable plate 25 away from the mounting bracket 21 . The threaded rod 161 is threadedly connected to the threaded hole 251 .

[0034] The threaded rod 161 and the threaded hole 251 are provided to facilitate the connection between the adjustment rod 16 and the movable plate 25 .

[0035] A plug-in plate 26 is fixed to the top of the mounting frame 21. A socket 17 for plugging the plug-in plate 26 is formed on the top of the pay-off frame 1. A fixing mechanism 3 for fixing the plug-in plate 26 is installed on the top of the pay-off frame 1. When the mounting frame 21 needs to be installed, the mounting frame 21 is first moved to be plugged into the socket 17. The plug-in plate 26 is then fixed by the fixing mechanism 3. In summary, the mounting frame 21 can be installed easily by adopting the above solution.

[0036] The fixing mechanism 3 includes a dovetail groove 31 provided at the top of the pay-off frame 1, a dovetail block 32 slidably connected to the dovetail groove 31 along the length direction of the pay-off frame 1, and a second spring 33 fixed to one side of the dovetail block 32; the second spring 33 is arranged along the length direction of the pay-off frame 1, and the end of the second spring 33 away from the dovetail block 32 is fixed to the inner wall of one end of the dovetail groove 31; the top of the dovetail block 32 is fixed to the limit plate 34, and a limit groove 261 is provided on one side of the insert plate 26. The side of the limit plate 34 close to the insert plate 26 is provided with an inclined surface 341, and one end of the limit plate 34 is inserted into the limit groove 261; the other end of the limit plate 34 is fixed to the pull rod 35. When the plug plate 26 is inserted into the socket 17, the plug plate 26 drives the limit plate 34 to move away from the plug plate 26 under the action of the inclined surface 341. The movement of the limit plate 34 drives the dovetail block 32 to move, and the movement of the dovetail block 32 presses the second spring 33. After the plug plate 26 is inserted into the socket 17, the dovetail block 32 drives the limit plate 34 to be inserted into the limit groove 261 under the action of the second spring 33, thereby fixing the plug plate 26. The fixing mechanism 3 is provided to facilitate the fixing of the plug plate 26.

[0037] The end of the screw 22 away from the first spring 14 is equipped with a connecting mechanism 4 for fixing the handwheel 23. The connecting mechanism 4 includes a connecting tube 41 fixed to the end of the screw 22 away from the first spring 14. The connecting tube 41 is coaxial with the screw 22. A through hole 411 is provided on the side wall of the connecting tube 41. An insert rod 42 is connected to the through hole 411 along the radial sliding direction of the connecting tube 41. A connecting rod 43 is fixed to one end of the handwheel 23. The connecting rod 43 is coaxial with the connecting tube 41. The wire pay-off frame 1 is provided with a through hole 18 for the connecting rod 43 to pass through. The end of the connecting rod 43 away from the handwheel 23 is connected to the inner cavity of the connecting tube 41 by axial sliding along the connecting tube 41, and a slot 431 is provided on the side wall of the end of the connecting rod 43 away from the handwheel 23. One end of the insert rod 42 is inserted into the slot 431. When the handwheel 23 needs to be connected to the screw 22, the connecting rod 43 is first driven by the handwheel 23 to be inserted into the connecting tube 41, and then the insertion rod 42 is moved to be inserted into the slot 431, so that the handwheel 23 can be connected to the screw 22; in summary, the provided connecting mechanism 4 facilitates the connection between the handwheel 23 and the screw 22.

[0038] A plurality of reset blocks 44 are fixedly connected to the sidewall of the insertion rod 42. Each reset block 44 is fixedly connected to an elastic block 45 at one end away from the connecting rod 43. The elastic block 45 is fixedly connected to the inner sidewall of the connecting tube 41 at one end away from the reset block 44. The reset blocks 44 and elastic blocks 45 ensure a more secure connection between the insertion rod 42 and the slot 431.

[0039] Working principle: When the preload of the damping chain 13 needs to be adjusted, the hand wheel 23 is used to drive the lead screw 22 to rotate, and the lead screw 22 drives the movable plate 25 to move, and the movement of the movable plate 25 drives the adjusting rod 16 to move, and the movement of the adjusting rod 16 can adjust the preload of the damping chain 13; in summary, by adopting the above scheme, it is convenient to adjust the preload of the damping chain 13.

[0040] A wire rope stranding machine comprises a stranding machine body and a wire-paying automatic control device.

[0041] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A pay-off automatic control device, comprising a pay-off frame (1), a pay-off reel (11), a damping disc (12), a damping chain (13), a first spring (14), an adjustment hole (15) and an adjustment rod (16), characterized in that: The pay-off frame (1) is provided with a driving mechanism (2) for driving the adjusting rod (16) to move, the driving mechanism (2) comprising a mounting frame (21) mounted on the pay-off frame (1), a lead screw (22) rotatably connected to the mounting frame (21), a hand wheel (23) mounted on one end of the lead screw (22), and a guide rod (24) fixed to the mounting frame (21); a movable plate (25) is threadedly connected to the lead screw (22), the movable plate (25) is slidably connected to the guide rod (24), and the end of the adjusting rod (16) away from the first spring (14) is mounted on one side of the movable plate (25).

2. The automatic wire-paying control device according to claim 1, characterized in that: One end of the adjusting rod (16) close to the movable plate (25) is fixedly connected with a threaded rod (161); one end of the movable plate (25) away from the mounting frame (21) is provided with a threaded hole (251); and the threaded rod (161) is threadedly connected to the threaded hole (251).

3. The automatic pay-off control device according to claim 1, characterized in that: A plug board (26) is fixed to the top of the mounting frame (21), a socket (17) for plugging the plug board (26) is provided on the top of the pay-off frame (1), and a fixing mechanism (3) for fixing the plug board (26) is installed on the top of the pay-off frame (1).

4. The automatic pay-off control device according to claim 3, characterized in that: The fixing mechanism (3) includes a dovetail groove (31) provided on the top of the pay-off frame (1), a dovetail block (32) slidably connected to the dovetail groove (31), and a second spring (33) fixed to one side of the dovetail block (32); one end of the second spring (33) away from the dovetail block (32) is fixed to the inner wall of one end of the dovetail groove (31); the top of the dovetail block (32) is fixed to a limiting plate (34), a limiting groove (261) is provided on one side of the plug plate (26), a slope (341) is provided on the side of the limiting plate (34) close to the plug plate (26), and one end of the limiting plate (34) is inserted into the limiting groove (261); the other end of the limiting plate (34) is fixed to a pull rod (35).

5. The automatic pay-off control device according to claim 1, characterized in that: A connecting mechanism (4) for fixing a hand wheel (23) is installed at one end of the lead screw (22) away from the first spring (14).

6. The automatic pay-off control device according to claim 5, characterized in that: The connecting mechanism (4) includes a connecting tube (41) fixed to one end of the lead screw (22) away from the first spring (14), a through hole (411) is provided on the side wall of the connecting tube (41), an insertion rod (42) is slidably connected to the through hole (411), one end of the hand wheel (23) is fixed to a connecting rod (43), the end of the connecting rod (43) away from the hand wheel (23) is slidably connected to the inner cavity of the connecting tube (41), and a slot (431) is provided on the side wall of the end of the connecting rod (43) away from the hand wheel (23), and one end of the insertion rod (42) is inserted into the slot (431).

7. The automatic pay-off control device according to claim 6, characterized in that: A plurality of reset blocks (44) are fixedly connected to the side wall of the insertion rod (42), and an end of each reset block (44) away from the connecting rod (43) is fixedly connected to an elastic block (45), and an end of the elastic block (45) away from the reset block (44) is fixedly connected to the inner side wall of the connecting tube (41).

8. A wire rope stranding machine, comprising a stranding machine body, characterized in that: It also includes the automatic wire-paying control device according to any one of claims 1 to 7.

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