Cable cutter

Abstract

The utility model discloses a cable cutter, which relates to the technical field of cable cutting, and comprises a base, the top end of the base is fixedly connected with a group of bilaterally symmetrical mounting racks, the interiors of the two mounting racks are movably connected with threaded rods, one end of each threaded rod is fixedly connected with a servo motor, and the other end of each threaded rod is fixedly connected with a cutter. And the outer wall of the threaded rod is rotationally and movably connected with a moving seat through a thread. By means of the cutting mechanism, a servo motor is started through a controller, the servo motor drives a threaded rod to rotate so as to drive a cutting knife below a movable base to conduct cutting motion, then an air cylinder is started through the controller, the air cylinder drives a pressing plate to move downwards, and at the moment, the pressing plate drives a movable plate to move downwards through a telescopic rod; and the movable plate drives the cutting knife to cut the cable bodies, so that the cutting knife can cut a plurality of cable bodies at the same time, the cutting efficiency of the cable is improved, and the production requirement of a large number of cable bodies is met.

Description

Technical Field

[0001] The utility model relates to the technical field of cable cutting, and more specifically, to a cable cutter. Background Art

[0002] A cable is usually a rope-like cable formed by stranding several or several groups of wires (at least two wires in each group). The wires in each group are insulated from each other and are often twisted around a center. The whole is covered with a highly insulating covering layer. In a cable production workshop, since different customers have different requirements for the packaging size of a single bundle of cables, it is usually necessary to cut the continuously produced cables into specified sizes to meet the specific needs of customers.

[0003] Patent document CN113857396A discloses a cable cutting device convenient for fixing a cable, which includes a platform. A bracket is provided at the lower part of the platform, and two oppositely arranged guiding and clamping assemblies are horizontally provided at the upper part of the platform. The guiding and clamping assemblies are fixedly connected to the platform through fixing plates, and the cable passes through the two guiding and clamping assemblies; a cutting mechanism is provided on the platform, and the cutting mechanism can correspondingly cut the cable section between the two guiding and clamping assemblies; the guiding and clamping assembly includes a guiding cylinder, one end of the guiding cylinder is provided with a shoulder, and a plurality of clamping jaws are provided on the end face of the shoulder. The shoulders of the two guiding and clamping assemblies and the corresponding plurality of clamping jaws are oppositely arranged. The invention can effectively fix the cable and perform cutting operations, avoid problems such as slipping when the cable is not fixed or fixed at a single point during cutting, reduce the trouble of manually fixing the cable, ensure operation safety, improve work efficiency, and has the advantages of convenient, safe and efficient operation. In view of the above related technologies, the utility model person believes that the existing technology can only cut a single cable and cannot cut multiple cables simultaneously, reducing the cutting efficiency and thus unable to meet the production requirements of a large number of cables. Therefore, we provide a cable cutter to solve the above problems. Summary of the Utility Model

[0004] In order to solve the above problems, the utility model provides a cable cutter, adopting the following technical solutions:

[0005] A cable cutter includes a base. A group of left and right symmetric mounting frames are fixedly connected to the top end of the base, and threaded rods are movably connected inside the two mounting frames. One end of the threaded rod is fixedly connected to a servo motor, and a moving seat is rotationally movably connected to the outer wall of the threaded rod through a thread. A cutting mechanism is movably connected inside the moving seat, and a cutting knife is movably connected to the bottom end of the cutting mechanism through a rotating shaft. A fixing frame is fixedly connected to the top end of the base, and a plurality of cable bodies are movably connected inside the fixing frame, and a clamping mechanism is provided at the top end of the cable body.

[0006] Further, the cutting mechanism includes a telescopic rod, a first spring, a pressing plate, and a movable plate. The two first springs are respectively sleeved on the outer walls of the two telescopic rods, and the two ends of the telescopic rod are respectively fixedly connected to one side of the pressing plate and the movable plate.

[0007] By adopting the above technical solution, through the arranged telescopic rod and the pressing plate, the telescopic rod and the pressing plate can drive the movable plate to move downward, so as to realize the cutting work of the cutting knife on the cable.

[0008] Further, the bottom end of the telescopic rod penetrates through the inside of the moving seat and extends to the bottom end of the moving seat. One end of the movable plate is movably connected to the bottom end of the moving seat through a rotating shaft, and the cutting knife is movably connected to the bottom end of the movable plate through a rotating shaft.

[0009] By adopting the above technical solution, through the arranged movable plate, the movable plate can drive the cutting knife to perform horizontal cutting, so as to realize the cutting of multiple cables.

[0010] Further, the cutting knife faces the top end of the cable body. Both sides of the moving seat are movably connected with mounting rods, and the bottom end of the mounting rod is fixedly connected to the top end of the mounting frame. One end of the pressing plate is slidably connected to one side of the moving seat.

[0011] By adopting the above technical solution, through the arranged mounting rods, the moving seat can slide on the mounting rods to realize the horizontal movement of the cutting knife.

[0012] Further, a cylinder is fixedly connected to the top end of the pressing plate, and the cylinder is located at the middle position of the top end of the pressing plate.

[0013] By adopting the above technical solution, through the arranged cylinder, the cylinder provides driving force for the lifting of the pressing plate.

[0014] Further, the clamping mechanism includes a guiding block, a connecting rod, and clamping blocks. The two ends of the connecting rod are respectively fixedly connected to one end of the two guiding blocks, and the bottom end of the connecting rod is fixedly connected to the top ends of multiple clamping blocks.

[0015] By adopting the above technical solution, through the arranged clamping blocks, the clamping blocks can clamp multiple cables simultaneously, so as to prevent the cables from slipping during cutting.

[0016] Further, one end of the guiding block is slidably connected to the inside of the fixed frame. Multiple second springs are fixedly connected to the top end of the connecting rod, and the two ends of the second spring are respectively fixedly connected to one side of the fixed frame and the connecting rod.

[0017] By adopting the above technical solution, through the arranged guiding block, the guiding block limits the moving direction of the connecting rod.

[0018] Further, a middle position at the top end of the connecting rod is fixedly connected with an electric push rod, and the top end of the electric push rod is fixedly connected with the inner top of the fixing frame.

[0019] By adopting the above technical solution, through the arranged electric push rod, the electric push rod can provide driving force for the clamping block through the connecting rod.

[0020] To sum up, the utility model includes the following beneficial technical effects:

[0021] (1) Through the cutting mechanism arranged in the utility model, the servo motor is started by the controller, so that the servo motor drives the threaded rod to rotate, thereby driving the cutting knife under the moving seat to perform a cutting motion. Then, the air cylinder is started by the controller, so that the air cylinder drives the pressing plate to move downward. At this time, the pressing plate drives the movable plate to move downward through the telescopic rod, so that the movable plate drives the cutting knife to perform a cutting motion on the cable body, which is beneficial to the cutting knife to simultaneously cut a plurality of cable bodies and improve the cutting efficiency of the cable, so as to meet the production requirements of a large number of cable bodies;

[0022] (2) Through the clamping mechanism arranged in the utility model, the electric push rod is started by the controller, so that the electric push rod drives the connecting rod to perform a lifting motion. At this time, the connecting rod drives a plurality of clamping blocks to clamp the cable body through the guiding blocks. At the same time, the second spring performs a telescopic motion on the relative sides of the fixing frame and the connecting rod, thereby enabling the clamping blocks to clamp the cable body, which is beneficial to avoiding the displacement of the cable body during cutting and maintaining the stability of the cutting work of the cable body, so as to ensure the cutting quality of the cable body. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is the overall structural schematic diagram of the utility model;

[0024] Figure 2 is the structural schematic diagram of the cutting mechanism and its connecting parts of the utility model;

[0025] Figure 3 is the partial structural schematic diagram of the clamping mechanism of the utility model;

[0026] Figure 4 is the Figure 3 enlarged three-dimensional structural schematic diagram at A of the utility model.

[0027] Description of the reference numerals in the drawings:

[0028] 1. Base; 2. Mounting frame; 3. Threaded rod; 4. Servo motor; 5. Moving seat; 6. Cutting mechanism; 601. Telescopic rod; 602. First spring; 603. Pressing plate; 604. Movable plate; 7. Cutting knife; 8. Cable body; 9. Clamping mechanism; 901. Guide block; 902. Connecting rod; 903. Clamping block; 10. Fixed frame; 11. Mounting rod; 12. Cylinder; 13. Second spring; 14. Electric push rod. Detailed implementation manner

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "provided with", "sleeved / connected", "connection", etc. should be understood in a broad sense. 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 directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0032] The following will further describe the present invention in detail with reference to the attached Figures 1-4 drawings.

[0033] Please refer to Figures 1-4, A cable cutter, comprising a base 1. At the top end of the base 1, a set of left - and - right symmetric mounting brackets 2 are fixedly connected. Inside both mounting brackets 2, threaded rods 3 are movably connected. One end of the threaded rod 3 is fixedly connected to a servo motor 4. And on the outer wall of the threaded rod 3, a moving seat 5 is rotatably connected through threads. Inside the moving seat 5, a cutting mechanism 6 is movably connected. And at the bottom end of the cutting mechanism 6, a cutting knife 7 is movably connected through a rotating shaft. At the top end of the base 1, a fixed bracket 10 is fixedly connected. Inside the fixed bracket 10, a plurality of cable bodies 8 are movably connected. And at the top end of the cable body 8, a clamping mechanism 9 is provided.

[0034] First, place the cable body 8 in the fixed bracket 10. Then, start the clamping mechanism 9 through the controller, so that the clamping mechanism 9 clamps the cable body 8, which is beneficial to avoid the displacement of the cable body 8 during cutting and maintain the stability of the cutting work of the cable body 8, thus ensuring the cutting quality of the cable body 8. Secondly, after clamping the cable body 8, then start the servo motor 4 through the controller, so that the servo motor 4 drives the cutting knife 7 to move through the threaded rod 3. Finally, start the cylinder 12 of the cutting mechanism 6, so that the cutting mechanism 6 performs a cutting motion on the cable body 8, which is beneficial for the cutting knife 7 to cut multiple cable bodies 8 simultaneously and improve the cutting efficiency of the cable, thus meeting the production requirements of a large number of cable bodies 8.

[0035] Please refer to Figures 1-2 , The cutting mechanism 6 includes a telescopic rod 601, a first spring 602, a pressing plate 603 and a movable plate 604. Two first springs 602 are respectively sleeved on the outer walls of the two telescopic rods 601. And the two ends of the telescopic rod 601 are respectively fixedly connected to one side of the pressing plate 603 and the movable plate 604. The bottom end of the telescopic rod 601 penetrates inside the moving seat 5 and extends to the bottom end of the moving seat 5. One end of the movable plate 604 is movably connected to the bottom end of the moving seat 5 through a rotating shaft. The cutting knife 7 is movably connected to the bottom end of the movable plate 604 through a rotating shaft. The cutting knife 7 faces the top end of the cable body 8. On both sides of the moving seat 5, mounting rods 11 are movably connected. And the bottom end of the mounting rod 11 is fixedly connected to the top end of the mounting bracket 2. One end of the pressing plate 603 is slidably connected to one side of the moving seat 5. At the top end of the pressing plate 603, a cylinder 12 is fixedly connected. The cylinder 12 is located at the middle position at the top end of the pressing plate 603.

[0036] Start the servo motor 4 through the controller, so that the servo motor 4 drives the threaded rod 3 to rotate, thereby driving the cutting knife 7 under the moving seat 5 to perform a cutting motion. Then, start the cylinder 12 through the controller, so that the cylinder 12 drives the pressing plate 603 to move downward. At this time, the pressing plate 603 drives the movable plate 604 to move downward through the telescopic rod 601, so that the movable plate 604 drives the cutting knife 7 to perform a cutting motion on the cable body 8, which is beneficial to the cutting knife 7 to cut multiple cable bodies 8 simultaneously and improve the cutting efficiency of the cable, so as to meet the production requirements of a large number of cable bodies 8.

[0037] Please refer to Figure 1 、 Figure 3 and Figure 4 As shown in, the clamping mechanism 9 includes a guide block 901, a connecting rod 902 and a clamping block 903. The two ends of the connecting rod 902 are respectively fixedly connected to one end of the two guide blocks 901, and the bottom end of the connecting rod 902 is fixedly connected to the top ends of a plurality of clamping blocks 903. One end of the guide block 901 is slidably connected to the inside of the fixed frame 10. A plurality of second springs 13 are fixedly connected to the top end of the connecting rod 902, and the two ends of the second springs 13 are respectively fixedly connected to one side of the fixed frame 10 and the connecting rod 902. An electric push rod 14 is fixedly connected to the middle position of the top end of the connecting rod 902, and the top end of the electric push rod 14 is fixedly connected to the inner top of the fixed frame 10.

[0038] Start the electric push rod 14 through the controller, so that the electric push rod 14 drives the connecting rod 902 to perform a lifting motion. At this time, the connecting rod 902 drives a plurality of clamping blocks 903 to clamp the cable body 8 through the guide block 901. At the same time, the second spring 13 performs a telescopic motion on the opposite sides of the fixed frame 10 and the connecting rod 902, so that the clamping block 903 clamps the cable body 8, which is beneficial to avoid the displacement of the cable body 8 during cutting and maintain the stability of the cutting work of the cable body 8, thereby ensuring the cutting quality of the cable body 8.

[0039] The implementation principle of the embodiment of the present utility model is as follows: First, place the cable body 8 in the fixed frame 10, and then start the electric push rod 14 through the controller, so that the electric push rod 14 drives the connecting rod 902 to perform a lifting motion. At this time, the connecting rod 902 drives a plurality of clamping blocks 903 to clamp the cable body 8 through the guide block 901. At the same time, the second spring 13 performs a telescopic motion on the opposite sides of the fixed frame 10 and the connecting rod 902, so that the clamping block 903 clamps the cable body 8. Secondly, start the servo motor 4 through the controller, so that the servo motor 4 drives the threaded rod 3 to rotate, thereby driving the cutting knife 7 under the moving seat 5 to perform a cutting motion. Finally, start the cylinder 12 through the controller, so that the cylinder 12 drives the pressing plate 603 to move downward. At this time, the pressing plate 603 drives the movable plate 604 to move downward through the telescopic rod 601, so that the movable plate 604 drives the cutting knife 7 to perform a cutting motion on the cable body 8.

[0040] The above are all preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited thereby. Therefore, all equivalent changes made according to the structure, shape and principle of the present utility model shall be covered within the protection scope of the present utility model.

Claims

1. A cable cutter, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a group of bilaterally symmetrical mounting frames (2), and the interiors of the two mounting frames (2) are both movably connected to threaded rods (3), one end of the threaded rod (3) is fixedly connected to a servo motor (4), and the outer wall of the threaded rod (3) is movably connected to a movable seat (5) through a threaded rotation, the interior of the movable seat (5) is movably connected to a cutting mechanism (6), and the bottom end of the cutting mechanism (6) is movably connected to a cutting knife (7) through a rotating shaft, the top of the base (1) is fixedly connected to a fixing frame (10), and the interior of the fixing frame (10) is movably connected to a plurality of cable bodies (8), and a clamping mechanism (9) is provided at the top of the cable body (8).

2. A cable cutter according to claim 1, characterized in that: The cutting mechanism (6) comprises a telescopic rod (601), a spring one (602), a pressure plate (603) and a movable plate (604), wherein the two springs one (602) are respectively sleeved on the outer walls of the two telescopic rods (601), and the two ends of the telescopic rod (601) are respectively fixedly connected to one side of the pressure plate (603) and the movable plate (604).

3. A cable cutter according to claim 2, characterized in that: The bottom end of the telescopic rod (601) passes through the interior of the movable seat (5) and extends to the bottom end of the movable seat (5); one end of the movable plate (604) is movably connected to the bottom end of the movable seat (5) via a rotating shaft; and the cutting knife (7) is movably connected to the bottom end of the movable plate (604) via a rotating shaft.

4. A cable cutter according to claim 3, characterized in that: The cutting knife (7) faces the top of the cable body (8), both sides of the movable seat (5) are movably connected with mounting rods (11), and the bottom end of the mounting rod (11) is fixedly connected to the top of the mounting frame (2), and one end of the pressure plate (603) is slidably connected to one side of the movable seat (5).

5. A cable cutter according to claim 4, characterized in that: The top end of the pressing plate (603) is fixedly connected to a cylinder (12), and the cylinder (12) is located at the middle position of the top end of the pressing plate (603).

6. A cable cutter according to claim 1, characterized in that: The clamping mechanism (9) comprises a guide block (901), a connecting rod (902) and a clamping block (903), wherein the two ends of the connecting rod (902) are respectively fixedly connected to one end of the two guide blocks (901), and the bottom end of the connecting rod (902) is fixedly connected to the top ends of the plurality of clamping blocks (903).

7. A cable cutter according to claim 6, characterized in that: One end of the guide block (901) is slidably connected to the inside of the fixing frame (10), and the top end of the connecting rod (902) is fixedly connected to a plurality of springs 2 (13), and the two ends of the springs 2 (13) are respectively fixedly connected to one side of the fixing frame (10) and the connecting rod (902).

8. A cable cutter according to claim 7, characterized in that: An electric push rod (14) is fixedly connected to the middle position of the top end of the connecting rod (902), and the top end of the electric push rod (14) is fixedly connected to the inner top of the fixing frame (10).

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