A cable wrapping machine

Abstract

The application discloses a cable wrapping machine and relates to the field of cable wrapping. The cable wrapping machine comprises a machine base, a main shaft arranged on the machine base, a motor arranged on the machine base and used for driving the main shaft to rotate, a cable extending along a central axis of the main shaft and a plurality of tape reels arranged on the main shaft. The rotating plane of the tape reels is parallel to the axis of the main shaft. Compared with the half-cut type or concentric type tape reel arrangement mode adopted by a traditional non-metal wrapping machine, the cable wrapping machine has the advantages that the tape reel layout structure is optimized, the space utilization efficiency is remarkably improved, and the problem that the equipment is too large due to the increase in the number of tape reels in the traditional wrapping machine is overcome. The cable wrapping machine adopts a plurality of circumferentially distributed tape unwinding units, has a compact structure, supports the efficient and stable wrapping of a plurality of wrapping tapes at the same time, is especially suitable for high-demand processes of tens of layers or even hundreds of layers of wrapping, and greatly improves the production capacity and applicability of the equipment while ensuring the wrapping quality.

Description

Technical Field

[0001] This invention relates to the field of cable wrapping technology, and more specifically to a cable wrapping machine. Background Technology

[0002] Non-metallic wrapping is a common process in cable production, mainly used for protection, isolation, or insulation. Traditional non-metallic wrapping machines typically use a semi-cut or concentric reel arrangement, with two reels in total, suitable for applications with fewer wrapping layers.

[0003] However, for certain specialized processes (such as oil-impregnated paper-insulated cables), dozens or even hundreds of layers of wrapping are required, followed by subsequent oil impregnation and drying to form the insulation layer. These processes require equipment capable of simultaneously dispensing multiple wrapping tapes (e.g., 16 tapes) and meeting basic functions such as smooth tape routing, stable tension, adjustable wrapping angle, and adjustable twisting point. Simply increasing the number of tape reels based on the traditional structure would result in excessively large equipment diameter or length, leading to high engineering implementation difficulty, low space utilization efficiency, and an inability to meet actual production needs. Summary of the Invention

[0004] In order to overcome the above-mentioned technical problems, the purpose of this invention is to provide a cable wrapping machine.

[0005] The objective of this invention can be achieved through the following technical solutions: A cable wrapping machine includes a base, a main shaft mounted on the base, a motor mounted on the base for driving the main shaft to rotate, a cable extending along the central axis of the main shaft, and a plurality of reels mounted on the main shaft. The reels are rotatably connected to a reel support, and the plane of rotation of the reels is parallel to the axis of the main shaft. The reel support is fixed on the main shaft. Two reels arranged in a row and facing opposite directions constitute a tape feeding unit. The plurality of tape feeding units are distributed circumferentially along the main shaft. The main shaft is provided with a guide mechanism for guiding the tape fed from the reels to wrap around the cable.

[0006] As a further aspect of the present invention: the guiding mechanism includes a first fixed frame fixedly connected to the main shaft, a guide rod connected to the first fixed frame, a second fixed frame provided at one end of the guide rod away from the first fixed frame, a guide part provided on the guide rod for changing the output angle of the strapping, and the guide rod being parallel to the axis of the main shaft.

[0007] As a further aspect of the present invention: the positions of the guide rods and the tape feeding units are one-to-one and the number is the same; two guide parts arranged offset along the axial direction of the guide rods and facing opposite directions are provided on the same guide rod; the tape extending from the reel passes around the guide part on the same side of the corresponding guide rod.

[0008] As a further aspect of the present invention: the guide portion includes a movable seat movably sleeved on the guide rod, a rack passing through the movable seat is connected between the first fixed frame and the second fixed frame, the movable seat is provided with a gear meshing with the rack, and a control key for controlling the rotation of the gear is connected to the movable seat.

[0009] As a further aspect of the present invention: a first rotating support cylinder is provided on one side of the movable seat, a fixed seat is installed on one side of the movable seat, a bogie is provided on the fixed seat, and two bogies are movably connected to the bogie, and the bag passes between the two bogies and is turned.

[0010] As a further aspect of the present invention: a worm gear is provided at the bottom of the bogie, and a control rod is rotatably connected to the fixed seat. The control rod has a worm that meshes with the worm gear. Rotating the control rod drives the worm gear to rotate, thereby controlling the rotation of the bogie.

[0011] As a further aspect of the present invention: a buffer mechanism is provided between the pulley and the guide portion, and the buffer mechanism is mounted on the main shaft.

[0012] As a further aspect of the present invention: the buffer mechanism includes a fixed plate, a fixed block is provided on the fixed plate, a fixed rod is connected to one side of the fixed block, a buffer seat is movably sleeved on the fixed rod, and a damping element sleeved on the fixed rod is provided between the buffer seat and the fixed block.

[0013] As a further aspect of the present invention: a second rotating support cylinder is provided on the fixed plate, and the buffer seat has a support member.

[0014] As a further aspect of the present invention, the rack is provided with a scale bar for positioning.

[0015] The beneficial effects of the present invention are as follows: the motor drives the main shaft to rotate, which drives the tape reel support and multiple tape feeding units fixed on the main shaft to rotate synchronously. Each tape feeding unit consists of two tape reels facing opposite directions. After the tape is released from the tape reel, it is guided by the guide mechanism to wrap around the cable extending along the central axis of the main shaft.

[0016] In this embodiment, there are eight sets of tape-releasing units. This cable wrapping machine can release sixteen wrapping tapes at the same time, which is suitable for multi-layer wrapping processes. The number of wrapping tapes released can also be increased by reasonably increasing the number of tape-releasing units. By adding this cable wrapping machine along the axial direction of the cable, the same cable can be wrapped twice.

[0017] Compared to the semi-cut or concentric reel arrangement used in traditional non-metallic wrapping machines, this invention optimizes the reel layout by setting the reel rotation plane parallel to the main shaft axis, significantly improving space utilization efficiency and overcoming the problem of excessively large equipment size caused by the increased number of reels in traditional wrapping machines. Furthermore, this invention employs multiple circumferentially distributed tape feeding units, resulting in a compact structure that supports simultaneous, efficient, and stable wrapping of multiple wrapping tapes. It is particularly suitable for high-requirement processes involving dozens or even hundreds of layers of wrapping, greatly enhancing the equipment's production capacity and applicability while ensuring wrapping quality. Attached Figure Description

[0018] The invention will now be further described with reference to the accompanying drawings.

[0019] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present invention; Figure 2 This is a top view of the overall structure of an embodiment of the present invention; Figure 3 This is a side view of the overall structure of an embodiment of the present invention; Figure 4 This is a partial structural side view of the guide mechanism according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the structure of a single tape feeding unit and guiding mechanism according to an embodiment of the present invention; Figure 6 This is a front view of a structural schematic diagram of a single tape feeding unit and a guiding mechanism according to an embodiment of the present invention; Figure 7 This is an appendix view showing a structural schematic diagram of a single tape feeding unit and a guiding mechanism according to an embodiment of the present invention; Figure 8 This is a side view of a structural schematic diagram of a single tape feeding unit and a guiding mechanism according to an embodiment of the present invention; Figure 9 This is a partial structural schematic diagram of the guiding mechanism according to an embodiment of the present invention; Figure 10 This is another perspective of a partial structural schematic diagram of the guiding mechanism in an embodiment of the present invention; Figure 11 This is a partial schematic diagram of the buffer mechanism according to an embodiment of the present invention; Figure 12 This is a schematic diagram of the structure of a conventional half-cut cable wrapping device in the prior art of this invention; Figure 13 This is a schematic diagram of the structure of a conventional concentric cable wrapping device in the prior art of this invention; Figure 14 This is a schematic diagram of the structure of other conventional cable wrapping devices in the prior art of this invention.

[0020] Explanation of reference numerals in the attached drawings: 1. Base; 2. Spindle; 3. Motor; 4. Cable; 5. Tape reel; 6. Tape feeding unit; 7. Guide mechanism; 71. First fixed frame; 72. Guide rod; 73. Second fixed frame; 74. Guide part; 741. Moving seat; 742. Rack; 743. Control key; 744. First rotating support cylinder; 745. Fixed seat; 747. Bogie; 746. Bogie cylinder; 748. Worm gear; 749. Control rod; 8. Buffer mechanism; 81. Fixed plate; 82. Fixed block; 83. Fixed rod; 84. Buffer seat; 85. Damping element; 86. Second rotating support cylinder; 87. Support element; 742a. ​​Scale bar. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] See Figures 1-6 An embodiment of the present invention provides a cable wrapping machine, comprising a base 1, a main shaft 2 mounted on the base 1, a motor 3 mounted on the base 1 for driving the main shaft 2 to rotate, a cable 4 extending along the central axis of the main shaft 2, and a plurality of reels 5 mounted on the main shaft 2. The reels 5 are rotatably connected to a reel support, and the plane of rotation of the reels 5 is parallel to the axis of the main shaft 2. The reel support is fixed on the main shaft 2. Two reels 5 arranged in a row and facing opposite directions constitute a tape feeding unit 6. The plurality of tape feeding units 6 are distributed at equal intervals along the circumference of the main shaft 2. The main shaft 2 is provided with a guide mechanism 7 for guiding the wrapping tape released from the reels 5 to wrap around the cable 4.

[0023] Specifically, the motor 3 drives the main shaft 2 to rotate, which in turn drives the tape reel bracket and multiple tape feeding units 6 fixed on the main shaft 2 to rotate synchronously. Each tape feeding unit 6 consists of two tape reels 5 facing opposite directions. After the tape is released from the tape reel 5, it is guided by the guide mechanism 7 to wrap around the cable 4 extending along the central axis of the main shaft 2.

[0024] Furthermore, in this embodiment, the tape-releasing unit 6 is provided in eight groups, and this cable wrapping machine can release sixteen wrapping tapes at the same time, which is suitable for multi-layer wrapping processes. The number of wrapping tapes released can also be increased by reasonably increasing the number of tape-releasing units 6. By adding this cable wrapping machine along the axial direction of the cable 4, the same cable 4 can be wrapped twice.

[0025] Compared to the semi-cut or concentric arrangement of the tape reels 5 used in traditional non-metallic wrapping machines, this invention optimizes the layout of the tape reels 5 by setting their rotation plane parallel to the axis of the main shaft 2. This significantly improves space utilization efficiency and overcomes the problem of excessively large equipment size caused by the increased number of tape reels 5 in traditional wrapping machines. Furthermore, this invention employs multiple circumferentially distributed tape feeding units 6, resulting in a compact structure that supports the simultaneous, efficient, and stable wrapping of multiple tapes. It is particularly suitable for high-requirement processes involving wrapping dozens or even hundreds of layers, greatly enhancing the equipment's production capacity and applicability while ensuring wrapping quality.

[0026] See Figures 1-10 Optionally, the guide mechanism 7 includes a first fixed frame 71 fixedly connected to the end face of the main shaft 2, a guide rod 72 fixedly connected to the first fixed frame 71, a second fixed frame 73 fixedly provided at the end of the guide rod 72 away from the first fixed frame 71, and a guide part 74 provided on the guide rod 72 for changing the output angle of the tape. After the tape is released from the tape reel 5, it passes through the guide part 74, turns, and then wraps around the cable 4. The guide rod 72 is parallel to the axis of the main shaft 2.

[0027] In this embodiment, the guide rod 72 is arranged parallel to the axis of the main shaft 2 to ensure that the strap moves stably during the wrapping process and avoids twisting or knotting.

[0028] See Figures 1-10 Optionally, the guide rods 72 and the tape feeding units 6 are in one-to-one correspondence and have the same number. Two guide parts 74, which are staggered along the axial direction of the guide rods 72 and face opposite directions, are provided on the same guide rod 72. The tape extending from the reel 5 passes around the guide part 74 on the same side of the corresponding guide rod 72.

[0029] In this embodiment, by staggering the arrangement of the guide parts 74, mutual interference between the straps is avoided, ensuring that each strap is output independently and smoothly. Two sets of reels 5 correspond to one guide rod 72, resulting in a compact layout that improves space utilization and avoids unnecessary structural design.

[0030] See Figures 9-10 Optionally, the guide portion 74 includes a movable seat 741 slidably sleeved on the guide rod 72, a rack 742 passing through the movable seat 741 is connected between the first fixed frame 71 and the second fixed frame 73, the movable seat 741 is provided with a gear meshing with the rack 742, and a control key 743 for controlling the rotation of the gear is provided on the movable seat 741.

[0031] In this embodiment, when the worker needs to adjust the position of the wrapping twisting point, the gear is rotated by turning the control key 743, and the gear meshes with the rack 742 to drive the moving seat 741 to move along the guide rod 72.

[0032] See Figures 9-10Optionally, a first rotating support cylinder 744 perpendicular to the guide rod 72 is provided on one side of the movable seat 741, and a fixed seat 745 is installed on one side of the movable seat 741. A bogie 747 is provided on the fixed seat 745, and two bogies 746 are movably connected to the bogie 747. The bag passes between the two bogies 746 and is turned.

[0033] In this embodiment, the strapping tape passes over the upper surface of the first rotating support cylinder 744 and enters between the two rotating cylinders 746 in the bogie 747. The two rotating cylinders 746 achieve the rotation of the strapping tape and make it fit snugly around the cable 4. It should be noted that both the first rotating support cylinder 744 and the two rotating cylinders 746 are rotatable, reducing strapping tape friction and ensuring smooth strapping tape rotation.

[0034] See Figures 9-10 Optionally, a worm gear 748 is fixedly mounted on the bottom of the bogie 747, and a control lever 749 is rotatably mounted on the fixed base 745. The control lever 749 has a worm that meshes with the worm gear 748. Rotating the control lever 749 drives the worm gear 748 to rotate through the worm to control the rotation of the bogie 747.

[0035] In this embodiment, when the operator needs to adjust the wrapping angle, rotating the control lever 749 causes the worm to rotate. The worm meshes with the worm wheel 748, driving the bogie 747 to rotate, thereby adjusting the output direction of the wrapping tape. The worm wheel 748 worm drive has a self-locking function, which can precisely control the steering angle and maintain stability. It should be noted that by adjusting the wrapping angle, the overlap ratio can be changed (the wrapping overlap ratio refers to the width ratio of the subsequent wrapping tape covering the previous wrapping tape, used to ensure that the wrapping layers are continuous and seamless).

[0036] See Figures 1-8 and Figure 10 Optionally, a buffer mechanism 8 is provided between the pulley 5 and the guide 74, and the buffer mechanism 8 is mounted on the spindle 2.

[0037] In this embodiment, a buffer mechanism 8 is provided between the tape reel 5 and the guide portion 74 to absorb tension fluctuations during the tape unloading process, thereby improving the tension stability of the wrapping process.

[0038] See Figures 1-8 and Figure 10 Optionally, the buffer mechanism 8 includes a fixed plate 81, see [link to relevant documentation]. Figure 7 The fixing plate 81 is fixedly installed on the main shaft 2 by a bracket. A fixing block 82 is fixedly connected to the fixing plate 81. A fixing rod 83 is fixedly connected to the side of the fixing block 82 facing the buffer seat 84. A buffer seat 84 is movably sleeved on the fixing rod 83. A damping element 85 is provided between the buffer seat 84 and the fixing block 82 and sleeved on the fixing rod 83.

[0039] In this embodiment, the damping element 85 is a spring. When the strap wraps around the buffer seat 84, the buffer seat 84 can move along the fixed rod 83 to compress the damping element 85. The damping element 85 can provide controllable resistance and absorb tension impact.

[0040] See Figures 1-8 and Figure 10 Optionally, a second rotating support cylinder 86 that can rotate is fixedly connected to the fixed plate 81. The second rotating support cylinder 86 is located on the upper side of the buffer seat 84 and is closer to the second fixed frame 73 than the buffer seat 84. The upper part of the buffer seat 84 has a support member 87.

[0041] In this embodiment, the strap wraps around the second rotating support cylinder 86 from above, then wraps around the support member 87 in the opposite direction, then wraps around the support member 87 in the forward direction, and extends from below the support member 87. Through multi-level guidance and support, the strap path is ensured to be smooth and the tension is uniform.

[0042] See Figures 9-10 Optionally, the rack 742 is provided with a scale bar 742a for positioning.

[0043] In this embodiment, the operator can accurately read the position of the movable seat 741 through the scale bar 742a to achieve quantitative adjustment.

[0044] In the description of this invention, it should be understood that the terms "upper," "lower," "left," and "right," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or a specific orientational structure and operation. Therefore, they should not be construed as limitations on the invention. Furthermore, "first" and "second" are only for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "multiple" means two or more.

[0045] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0046] The foregoing has provided a detailed description of one embodiment of the present invention, but this description is merely a preferred embodiment and should not be construed as limiting the scope of the invention. All equivalent variations and modifications made within the scope of the claims of this invention should still fall within the patent coverage of this invention.

Claims

1. A cable wrapping machine, comprising a base (1), a main shaft (2) disposed on the base (1), a motor (3) disposed on the base (1) for driving the main shaft (2) to rotate, a cable (4) extending along the central axis of the main shaft (2), and a plurality of reels (5) disposed on the main shaft (2), characterized in that: The reel (5) is rotatably connected to the reel bracket, and the rotation plane of the reel is parallel to the axis of the main shaft (2). The reel bracket is fixed on the main shaft (2). Two reels (5) arranged in a row and facing opposite directions constitute a tape feeding unit (6). Multiple tape feeding units (6) are distributed circumferentially along the main shaft (2). The main shaft (2) is provided with a guide mechanism (7) for guiding the tape fed from the reel (5) to wrap around the cable (4).

2. The cable wrapping machine according to claim 1, characterized in that, The guiding mechanism (7) includes a first fixed frame (71) fixedly connected to the main shaft (2), a guide rod (72) connected to the first fixed frame (71), a second fixed frame (73) provided at one end of the guide rod (72) away from the first fixed frame (71), a guide part (74) for changing the output angle of the strapping provided on the guide rod (72), and the guide rod (72) is parallel to the axis of the main shaft (2).

3. The cable wrapping machine according to claim 2, characterized in that, The guide rod (72) and the tape feeding unit (6) are in the same position and have the same number. Two guide parts (74) are arranged staggered along the axial direction of the guide rod (72) and facing opposite directions, and are set on the same guide rod (72). The tape extending from the tape reel (5) passes around the same side guide part (74) on the corresponding guide rod (72).

4. The cable wrapping machine according to claim 3, characterized in that, The guide part (74) includes a movable seat (741) movably sleeved on the guide rod (72). A rack (742) passing through the movable seat (741) is connected between the first fixed frame (71) and the second fixed frame (73). A gear meshing with the rack (742) is provided inside the movable seat (741). A control key (743) for controlling the rotation of the gear is connected to the movable seat (741).

5. The cable wrapping machine according to claim 4, characterized in that, A first rotating support cylinder (744) is provided on one side of the movable seat (741), and a fixed seat (745) is installed on one side of the movable seat (741). A bogie (747) is provided on the fixed seat (745), and the bogie (747) is movably connected to two bogie cylinders (746). The bag passes between the two bogie cylinders (746) and is turned.

6. The cable wrapping machine according to claim 5, characterized in that, The bottom of the bogie (747) is provided with a worm gear (748), and a control rod (749) is rotatably connected to the fixed seat (745). The control rod (749) has a worm that meshes with the worm gear (748). Rotating the control rod (749) drives the worm gear (748) to rotate through the worm to control the rotation of the bogie (747).

7. The cable wrapping machine according to claim 6, characterized in that, A buffer mechanism (8) is provided between the pulley (5) and the guide (74), and the buffer mechanism (8) is mounted on the main shaft (2).

8. The cable wrapping machine according to claim 7, characterized in that, The buffer mechanism (8) includes a fixed plate (81), a fixed block (82) is provided on the fixed plate (81), a fixed rod (83) is connected to one side of the fixed block (82), a buffer seat (84) is movably sleeved on the fixed rod (83), and a damping element (85) sleeved on the fixed rod (83) is provided between the buffer seat (84) and the fixed block (82).

9. The cable wrapping machine according to claim 8, characterized in that, The fixed plate (81) is provided with a second rotating support cylinder (86), and the buffer seat (84) has a support member (87).

10. The cable wrapping machine according to claim 4 or 9, characterized in that, The rack (742) is provided with a scale bar (742a) for positioning.

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