Cutting device for wire and cable processing

Abstract

The utility model discloses a cutting device for wire and cable processing, and particularly relates to the technical field of wire and cable processing, the cutting device comprises a fixing table, a heat preservation box is fixedly installed on the front side of the middle of the top end of the fixing table in a penetrating mode, a limiting assembly is arranged at an opening of the middle of the top end of a sealing cover, and a rolling assembly is arranged on the rear side of the middle of the top end of the fixing table; and the rear side of the top end of the fixed table is provided with a pressure applying assembly symmetrical to the fixed table and located on the upper portion of the rolling assembly. According to the cutting device for wire and cable processing, low-temperature nitrogen liquid in the heat preservation box is arranged to conduct rapid freezing on the outer surfaces of the cables and the wires, due to the fact that the physical characteristics of wrapping layers of the cables and the wires and the physical characteristics of copper cores in the low-temperature environment are obviously different, after the wrapping layers are embrittled under the action of the low-temperature nitrogen liquid, the wrapping layers are not prone to deformation; the rolling assembly and the pressure applying assembly cooperate with each other to roll and cut off the emeralized wrapping layer, so that compared with transmission mechanical cutting, the cutting damage to the copper core caused by the cutting precision problem can be effectively avoided.

Description

Technical Field

[0001] This utility model relates to the field of wire and cable processing technology, and in particular to a cutting device for wire and cable processing. Background Technology

[0002] In modern industry and daily life, wires and cables are used extensively as key carriers for power transmission and signal transmission. From large-scale power infrastructure construction to the internal wiring of various electronic devices, wires and cables are indispensable.

[0003] Chinese Patent CN211679785U discloses a cutting device for wire and cable processing, including a base. Two support columns are fixedly connected to the upper side of the base. A wire feeding rod is fixedly connected to the upper end of the two support columns, and the wire feeding rod has a wire feeding hole inside. The wire feeding hole contains a wire and cable. One end of the wire feeding hole has an inlet, and the other end has an outlet. A cavity is provided inside the wire feeding rod, and several first motors are fixedly installed in the cavity. The output ends of the several first motors are fixedly connected to first rotating rods, and rotating cylinders are fixedly sleeved on the first rotating rods. A slit is opened at the end of the wire feeding rod near the inlet. Support plates are provided on both sides of the wire feeding rod, and the support plates are fixedly connected to the upper side of the base. A top plate is fixedly connected to the upper side of the two support plates. This utility model of a cutting device for wire and cable processing is convenient for loading wires, simple to operate, convenient for continuous cutting, and convenient for collecting cut wires and cables. It has higher applicability and high promotion and application value.

[0004] This device or similar devices mostly use mechanical cutting to cut wires and cables. However, the cutting method of this device is not very precise. During the cutting process, it is easy to cut off the copper core inside the cable and wire. As a result, not only will the copper core material be wasted, but the production cost will also be greatly increased. Utility Model Content

[0005] The main objective of this invention is to provide a cutting device for wire and cable processing, which can effectively solve the problems mentioned above.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] A cutting device for wire and cable processing includes a fixed platform. Four legs are symmetrically installed at the four corners of the bottom of the fixed platform. An insulated box is fixedly installed through the front side of the top center of the fixed platform. A sealing cover is installed at the top opening of the insulated box by screw threads. A limit component is provided at the top center opening of the sealing cover. A rolling component is provided at the rear side of the top center of the fixed platform. A pressure application component is provided on the rear side of the fixed platform, above the rolling component, and opposite to it.

[0008] Preferably, the limiting component includes a hinge seat and a hinge sealing plate. The hinge seat is fixedly installed on the rear side of the top opening of the sealing cover, and the hinge sealing plate covers the top opening of the sealing cover. The back end of the hinge sealing plate is hinged to the front side of the inner cavity of the hinge seat.

[0009] Preferably, a threaded sleeve is fixedly installed through the middle of the top of the hinged sealing plate, and two through holes are respectively opened on the front and rear sides of the top of the hinged sealing plate away from the middle, and a threaded rod is threadedly installed on the inner surface of the threaded sleeve.

[0010] Preferably, a heat insulation rod is fixedly installed at one bottom end of the threaded rod, a heat insulation frame is fixedly installed at the bottom end of the heat insulation rod, and two swivel handles are symmetrically fixedly installed on the upper side of one outer surface of the threaded rod.

[0011] Preferably, the rolling assembly includes a frame base and a motor. The frame base is fixedly installed on the rear side of the top center of the fixed platform. Multiple concave wheels are rotatably mounted at both ends of the inner cavity of the frame base along its length direction.

[0012] Preferably, multiple gears are fixedly installed on the right end faces of the multiple concave wheel rotating shafts, which extend through the right end of the frame base. The multiple gears are connected by chain drive. The motor is fixedly installed on the left side of the rear top of the fixed platform. The output shaft of the motor is fixedly connected to the left end of the last concave wheel rotating shaft by a coupling.

[0013] Preferably, the pressure application assembly includes two base plates, which are symmetrically installed on the left and right sides of the top of the fixed platform away from the frame base. Two threaded rods are symmetrically fixedly connected to the middle of the top of each of the two base plates, and four guide rods are symmetrically fixedly installed on the front and rear sides of the top of each of the two base plates away from the middle.

[0014] Preferably, two perforated plates are slidably connected to the outer surfaces of the two guide rods on the same side. Two threaded sleeves are rotatably mounted through the middle of the top of each of the two perforated plates. The inner cavities of the two threaded sleeves are threadedly connected to the outer surfaces of the two threaded rods. A frame seat is fixedly connected to the opposite surfaces of the two perforated plates. Multiple cams are rotatably mounted at equal intervals in the lower inner cavity of the frame seat. The outer surfaces of the multiple cams are adapted to the outer surfaces of the multiple concave wheels.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. This utility model rapidly freezes the outer surface of the cable by setting up a low-temperature nitrogen liquid in the heat preservation box. Since the physical properties of the cable's outer layer and the copper core are significantly different in the low-temperature environment, after the outer layer becomes brittle under the action of the low-temperature nitrogen liquid, the rolled component and the pressure component work together to roll and cut off the emeraldized outer layer. Compared with mechanical cutting, this can effectively avoid the cutting damage to the copper core caused by the problem of cutting precision.

[0017] 2. This utility model uses the limiting component to limit the cable and wire inside the insulation box, so that its outer surface can fully contact the liquid nitrogen inside the insulation box. This avoids the situation where the cable and wire are unstable in position in liquid nitrogen, shake or entangled, resulting in part of the outer surface not being able to effectively contact the liquid nitrogen, thus causing uneven freezing of the wrapping layer, and improves the stability of the wrapping layer when in contact with liquid nitrogen. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the front elevation of the entire utility model;

[0019] Figure 2 This is a schematic diagram of the overall rear side elevation structure of this utility model;

[0020] Figure 3 This is a cross-sectional view of the connection structure between the insulation box and the limiting component in this utility model.

[0021] Figure 4 This is a schematic diagram of the connection structure of the pressure application component in this utility model;

[0022] Figure 5 This is a schematic diagram of the connection structure of the rolling component in this utility model.

[0023] In the diagram: 1. Fixed platform; 2. Support leg; 3. Insulation box; 4. Sealing cover; 5. Limiting assembly; 51. Hinge seat; 52. Hinge sealing plate; 53. Through hole; 54. Threaded sleeve; 55. Threaded rod one; 56. Rotary handle; 57. Insulation rod; 58. Insulation frame; 6. Rolling assembly; 61. Frame seat one; 62. Concave wheel; 63. Motor; 64. Gear; 65. Chain; 7. Pressure application assembly; 71. Base plate; 72. Threaded rod two; 73. Guide rod; 74. Perforated plate; 75. Threaded rotating sleeve; 76. Frame seat two; 77. Cam. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] Example 1

[0026] like Figures 1-5As shown, a cutting device for wire and cable processing includes a fixed platform 1. Four legs 2 are symmetrically installed at the four corners of the bottom of the fixed platform 1. An insulation box 3 is fixedly installed through the front side of the middle of the top of the fixed platform 1. A sealing cover 4 is installed at the top opening of the insulation box 3 by screw threads. A limit component 5 is provided at the middle opening of the top of the sealing cover 4. A rolling component 6 is provided at the rear side of the middle of the top of the fixed platform 1. A pressure application component 7 is provided on the rear side of the top of the fixed platform 1 above the rolling component 6.

[0027] In this embodiment, the outer surface of the cable is rapidly frozen by setting low-temperature nitrogen liquid in the heat preservation box 3. Since the physical properties of the cable's outer layer and the copper core are significantly different in the low-temperature environment, the outer layer becomes brittle under the action of low-temperature nitrogen liquid. The rolling component 6 and the pressure component 7 work together to roll and cut off the emeraldized outer layer.

[0028] The rolling assembly 6 and the pressure application assembly 7 can simultaneously transport the wires and cables during the rolling process, thus satisfying the continuous cutting and stripping operation of long cables.

[0029] Specifically, the rolling assembly 6 includes a frame base 61 and a motor 63. The frame base 61 is fixedly installed on the rear side of the top center of the fixed platform 1. Multiple concave wheels 62 are rotatably installed at both ends of the inner cavity of the frame base 61 along its length direction.

[0030] Multiple concave wheels 62 have their right ends passing through the right end face of the frame base 61, and multiple gears 64 are fixedly installed thereon. The multiple gears 64 are connected by a chain 65. The motor 63 is fixedly installed on the left side of the rear top of the fixed platform 1. The output shaft of the motor 63 is fixedly connected to the left end of the rotating shaft of the last concave wheel 62 through a coupling.

[0031] After the cable is frozen by the nitrogen liquid in the insulation box 3, it is placed on multiple concave rollers 62. The pressure component 7 is lowered so that it works with the multiple concave rollers 62 to squeeze the cable. Then the motor 63 is started. The motor 63 drives each concave roller 62 to rotate through multiple gears 64 and chain 65. In this way, the outer surface of the cable is rolled and the brittle coating layer after freezing is rolled off.

[0032] In this design, two adjacent gears 64 are connected by a chain 65, and the two adjacent gears 64 are of different sizes.

[0033] Furthermore, the pressure application assembly 7 includes two base plates 71, which are symmetrically installed on the left and right sides of the top of the fixed platform 1 away from the frame base 61. Two threaded rods 72 are symmetrically fixedly connected to the middle of the top of the two base plates 71, and four guide rods 73 are symmetrically fixedly installed on the front and rear sides of the top of the two base plates 71 away from the middle.

[0034] Two perforated plates 74 are slidably connected to the outer surfaces of two guide rods 73 on the same side. Two threaded sleeves 75 are rotatably mounted through the middle of the top of the two perforated plates 74. The inner cavities of the two threaded sleeves 75 are threadedly connected to the outer surfaces of two threaded rods 72. A frame seat 76 is fixedly connected to the opposite surfaces of the two perforated plates 74. Multiple cams 77 are rotatably mounted at equal intervals in the lower inner cavity of the frame seat 76. The outer surfaces of the multiple cams 77 are adapted to the outer surfaces of multiple concave wheels 62.

[0035] The two threaded sleeves 75 rotate together. When the two threaded sleeves 75 rotate clockwise, the two threaded sleeves 75 drive the two perforated plates 74 downward in the vertical direction along the four guide rods 73. When the two perforated plates 74 move downward, they drive the multiple cams 77 and multiple concave wheels 62 rotating in the inner cavity of the frame seat 76 to move closer to each other, thereby squeezing the outer surface of the wire and cable.

[0036] It should be noted that the specific installation method, circuit connection method, and control method of the motor 63 used in this utility model are all conventional designs, and will not be described in detail in this utility model.

[0037] Example 2

[0038] Based on Embodiment 1, this embodiment uses the limiting component 5 to limit the cable and wire inside the insulation box 3, so that its outer surface can fully contact the nitrogen liquid inside the insulation box 3. This avoids the phenomenon that the cable and wire cannot effectively contact the nitrogen liquid due to the pulling force when the rolling component 6 and the pressure component 7 move the cable and wire.

[0039] Specific examples Figure 1 and Figure 3 As shown, the limiting component 5 includes a hinge seat 51 and a hinge sealing plate 52. The hinge seat 51 is fixedly installed on the rear side of the top opening of the sealing cover 4, and the hinge sealing plate 52 is covered on the top opening of the sealing cover 4. The back end of the hinge sealing plate 52 is hinged to the front side of the inner cavity of the hinge seat 51.

[0040] A threaded sleeve 54 is fixedly installed through the middle of the top of the hinged sealing plate 52. Two through holes 53 are respectively opened on the front and rear sides of the top of the hinged sealing plate 52 away from the middle. A threaded rod 55 is threadedly installed on the inner surface of the threaded sleeve 54.

[0041] A heat insulation rod 57 is fixedly installed at the bottom of the threaded rod 55, and a heat insulation frame 58 is fixedly installed at the bottom of the heat insulation rod 57. Two handles 56 are symmetrically fixedly installed on the upper side of the outer surface of the threaded rod 55.

[0042] Pull the hinge sealing plate 52 upward to open it, then pass the cable through the foremost through hole 53, and then pass the cable through the rear through hole 53. The middle part of the cable between the front and rear through holes 53 is held against the lower surface of the inner cavity of the insulation frame 58. Then close the hinge sealing plate 52 downward. Turn the handle 56 to make the threaded rod 55 rotate downward, and the cable will be limited to the bottom of the inner cavity of the insulation box 3 by the insulation frame 58, thus avoiding unnecessary movement of the cable.

[0043] The working principle of this scheme is that liquid nitrogen at -196℃ can cause most polymer insulating materials such as PVC and PE to undergo a glass transition, significantly increasing their brittleness. At this time, the insulation layer is more prone to breakage. Although the ductility of copper may decrease at low temperatures, the copper core still maintains a certain toughness at low temperatures due to its metallic ductility. However, copper is usually not as brittle as insulating materials even at liquid nitrogen temperatures. Therefore, the clamping force between the concave wheel 62 and the cam 77 in this scheme needs to be adjusted according to the toughness of the copper core after cooling. The specific details will not be elaborated in this scheme.

[0044] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A cutting device for processing wires and cables, comprising a fixed table (1), characterized in that: Four legs (2) are symmetrically installed at the four corners of the bottom of the fixed platform (1). A heat preservation box (3) is fixedly installed through the front side of the middle of the top of the fixed platform (1). A sealing cover (4) is installed at the top opening of the heat preservation box (3) by screw thread. A limit component (5) is provided at the middle opening of the top of the sealing cover (4). A rolling component (6) is provided at the rear side of the middle of the top of the fixed platform (1). A pressure component (7) is provided on the rear side of the top of the fixed platform (1) above the rolling component (6).

2. The cutting device for wire and cable processing according to claim 1, characterized in that: The limiting component (5) includes a hinge seat (51) and a hinge sealing plate (52). The hinge seat (51) is fixedly installed on the rear side of the top opening of the sealing cover (4). The hinge sealing plate (52) covers the top opening of the sealing cover (4), and the back end of the hinge sealing plate (52) is hinged to the front side of the inner cavity of the hinge seat (51).

3. The cutting device for wire and cable processing according to claim 2, characterized in that: A threaded sleeve (54) is fixedly installed through the middle of the top end of the hinged sealing plate (52). Two through holes (53) are respectively opened on the front and rear sides of the top end of the hinged sealing plate (52) away from the middle. A threaded rod (55) is threadedly installed on the inner surface of the threaded sleeve (54).

4. The cutting device for wire and cable processing according to claim 3, characterized in that: A heat insulation rod (57) is fixedly installed at the bottom end of the threaded rod (55), and a heat insulation frame (58) is fixedly installed at the bottom end of the heat insulation rod (57). Two throttle handles (56) are symmetrically fixedly installed on the upper side of the outer surface of the threaded rod (55).

5. The cutting device for wire and cable processing according to claim 4, characterized in that: The rolling assembly (6) includes a frame base (61) and a motor (63). The frame base (61) is fixedly installed on the rear side of the top center of the fixed platform (1). Multiple concave wheels (62) are equidistantly mounted on both ends of the inner cavity of the frame base (61) along its length direction.

6. The cutting device for wire and cable processing according to claim 5, characterized in that: Multiple gears (64) are fixedly installed on the right end of the rotating shafts of the multiple concave wheels (62) respectively, passing through the right end of the frame base (61). The multiple gears (64) are connected by a chain (65). The motor (63) is fixedly installed on the left side of the rear top of the fixed platform (1). The output shaft of the motor (63) is fixedly connected to the left end of the rotating shaft of the last concave wheel (62) by a coupling.

7. A cutting device for wire and cable processing according to claim 6, characterized in that: The pressure application assembly (7) includes two base plates (71). The two base plates (71) are symmetrically installed on the left and right sides of the top of the fixed platform (1) away from the frame base (61). Two threaded rods (72) are symmetrically fixedly connected to the middle of the top of the two base plates (71). Four guide rods (73) are symmetrically fixedly installed on the front and rear sides of the top of the two base plates (71) away from the middle.

8. A cutting device for wire and cable processing according to claim 7, characterized in that: Two perforated plates (74) are slidably connected to the outer surfaces of two guide rods (73) on the same side. Two threaded sleeves (75) are rotatably installed through the middle of the top of the two perforated plates (74). The inner cavities of the two threaded sleeves (75) are threadedly connected to the outer surfaces of the two threaded rods (72). The opposite surfaces of the two perforated plates (74) are fixedly connected to a frame seat (76). Multiple cams (77) are rotatably installed at equal intervals in the lower inner cavity of the frame seat (76). The outer surfaces of the multiple cams (77) are adapted to the outer surfaces of the multiple concave wheels (62).

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