Auxiliary bending device for electric wire and cable protection plastic pipe

Abstract

The invention discloses an electric wire and cable protection plastic pipe auxiliary bending device which comprises a bending mechanism, a heating mechanism and a supporting mechanism, an electric wire and cable protection plastic pipe is affected by materials, the hardness of a pipe body can be reduced to a certain extent after the electric wire and cable protection plastic pipe is heated, and then the electric wire and cable protection plastic pipe penetrates between a driven bending block and a rotating arm; a processing worker directly holds the holding pad on the outer side of the rotating handle, rotates the rotating arm with the top end of the driven bending block as the circle center, drives the driving bending block to rotate synchronously, and bends the electric wire and cable protection plastic pipe, and due to the fact that the electric wire and cable protection plastic pipe is heated at the moment, the pipe body is softer than the pipe body in the normal temperature state; and therefore, under the condition of the same bending angle, the physical output required by the personnel is greatly reduced, and the labor input of the operator in the bending operation process of the electric wire and cable protection plastic pipe is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of plastic pipes for protecting electric wires and cables, and in particular to an auxiliary bending device for plastic pipes for protecting electric wires and cables. Background Art

[0002] Wire and cable protection plastic tube usually refers to a plastic product used to protect wires and cables. Its main function is to isolate wires and cables from the external environment and prevent wires and cables from being affected by mechanical damage, chemical corrosion, moisture, ultraviolet radiation and other adverse factors during installation and use.

[0003] At present, the protective plastic tube for wires and cables is made by inserting cylindrical spring parts into the inner wall of the tube body for auxiliary support, and then a person holds both ends to manually bend the tube body. The tube body is assisted by the spring on the inner wall, so that it can be bent at a uniform speed according to the force conditions, and finally the spring parts are taken out. During the bending process, when the inner wall of the tube body is thicker, the person needs to hold both ends of the tube body and use greater force to bend it. This operation consumes a lot of physical energy of the person, and it is difficult to control the bending angle of the tube body more accurately. Summary of the invention

[0004] The object of the present invention is to provide an auxiliary bending device for a wire and cable protective plastic tube to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an auxiliary bending device for a wire and cable protective plastic tube, comprising a bending mechanism, a heating mechanism and a supporting mechanism:

[0006] The bending mechanism includes a base plate, one side of the base plate is fixedly connected to a foot pad, and a plurality of the foot pads are symmetrically arranged. A driven bending block is fixedly connected to one side of the top of the base plate, and a swing arm is rotatably connected to the outer side of the top of the driven bending block. An active bending block is fixedly connected to one side of the bottom of the swing arm, a fixed block is fixedly connected to one side of the swing arm, and a swing handle is fixedly connected to one side of the fixed block.

[0007] The heating mechanism includes a first screw, the outer side of the bottom end of the first screw is threadedly connected to a bottom plate, the outer side of the first screw is movably connected to a mask frame through a limiting hole, the limiting hole is a U-shaped structure, one side of the mask frame is fixedly connected to a battery, a charging port is provided on the top of the battery, connecting cables are fixedly connected to both sides of the battery, and one end of the connecting cable is fixedly connected to a heating wire.

[0008] The supporting mechanism includes a second screw rod, two of which are symmetrically arranged, the outer side of the bottom end of the second screw rod is threadedly connected to a bottom plate, the outer side of the top end of the second screw rod is fixedly connected to a pressure ring, the outer side of the second screw rod is slidably connected to a sleeve ring, and one side of the sleeve ring is fixedly connected to a spring.

[0009] The lifting mechanism includes a third screw rod, the outer side of the third screw rod is threadedly connected to the base plate, the outer side of one end of the third screw rod is threadedly connected to a sliding arm through a screw hole, and the screw holes are symmetrically arranged in a plurality of numbers, the outer side of the sliding arm is slidably connected to the base plate, and one side of the sliding arm is fixedly connected to a bracket.

[0010] Preferably, a support pad is fixedly connected to the top of the bracket, the support pad is made of a flexible material, the top of the support pad is a serrated structure, and a sliding arm is fixedly connected to one side of the bracket.

[0011] Preferably, a knob is fixedly connected to one side of the pressure ring, and a plurality of knobs are symmetrically arranged, and a second screw is fixedly connected to the inner side of the pressure ring.

[0012] Preferably, a holding pad is fixedly connected to the outer side of the rotary handle, and the holding pad is made of rubber. One end of the rotary handle is fixedly connected to a fixing block, and one side of the fixing block is fixedly connected to a rotary arm.

[0013] Preferably, the inner sides of the rotating handle and the holding pad are both provided with insertion holes.

[0014] Preferably, an angle ruler is fixedly connected to one side of the top of the driven bending block, the angle ruler is located below the rotary arm, and a base plate is fixedly connected to the bottom of the driven bending block.

[0015] Preferably, the outer side of one end of the heating wire is fixedly connected with a fixing ring, and the top of the fixing ring is fixedly connected with a mask frame.

[0016] Preferably, a side strip is fixedly connected to one side of the mask frame, and a plurality of curtains are symmetrically arranged at the bottom of the side strip.

[0017] Preferably, a gasket is movably connected to the outer side of the top end of the first screw, and the gasket is located above one side of the heating mechanism.

[0018] Preferably, a buckle groove is provided on one side of the bracket, and a sliding arm is fixedly connected to the other side of the bracket. The present invention has at least the following beneficial effects:

[0019] 1. When the present invention is used, a heating wire is arranged, both ends of the heating wire are fixedly connected with connecting cables, one end of the connecting cable is fixedly connected with a storage battery, a mask frame is fixedly connected with the bottom of the storage battery, a first screw is movably connected with the inner side of the mask frame through a limiting hole, and a bottom plate is threadedly connected with the outer side of the first screw. According to actual needs, the first screw is rotated counterclockwise and loosened, and the mask frame is moved to a desired horizontal position in conjunction with the U-shaped limiting hole, and then the first screw is rotated clockwise to fix its position, and the heating wire is turned on through the battery through the connecting cable to raise the temperature of the heating wire to a desired height, and the knob is pinched and rotated counterclockwise and the second screw is removed to release the restriction on the spring position, and the spring is removed and inserted into the inner wall of the wire and cable protection plastic tube to provide auxiliary support for the tube body, and the required The bent plastic tube for protecting wires and cables is placed flat on the top of the bottom plate just below the heating wire. As the placement time increases, the plastic tube for protecting wires and cables is affected by the material. After heating, the hardness of the tube body will decrease to a certain extent. Then the plastic tube for protecting wires and cables is inserted between the driven bending block and the rotary arm. The processing personnel directly hold the pad on the outside of the rotary handle, rotate the rotary arm with the top of the driven bending block as the center of the circle, and drive the active bending block to rotate synchronously to bend the plastic tube for protecting wires and cables. At this time, the plastic tube for protecting wires and cables has been heated, and the tube body will be softer than at normal temperature. Therefore, when bending at the same angle, the physical exertion required by the personnel will be greatly reduced, thereby reducing the labor input of the operators during the bending operation of the plastic tube for protecting wires and cables.

[0020] 2. The present invention provides a knob, one side of the knob is fixedly connected to a pressure ring, the inner side of the pressure ring is fixedly connected to a second screw, and the outer side of the second screw is threadedly connected to a bottom plate, which can effectively facilitate personnel to directly pinch and rotate.

[0021] 3. The present invention provides a gasket, the inner side of which is movably connected to the first screw, and the outer side of the first screw is threadedly connected to the bottom plate, which can effectively reduce the looseness of the first screw during long-term use and ensure the stability of its position.

[0022] 4. The present invention provides a barrier curtain, the top of which is fixedly connected to a side strip, and one side of the side strip is fixedly connected to a mask frame, which can effectively improve the sealing degree of the space in the mask frame and reduce the dissipation rate of the heat generated by the heating wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the axonometric structure of the present invention;

[0024] Figure 2 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0025] Figure 3It is a schematic diagram of the exploded structure of the bending mechanism of the present invention;

[0026] Figure 4 It is a schematic diagram of the exploded structure of the heating mechanism of the present invention;

[0027] Figure 5 for Figure 4 A schematic diagram of the enlarged structure at B in the middle;

[0028] Figure 6 It is a schematic diagram of the exploded structure of the support mechanism of the present invention;

[0029] Figure 7 It is a schematic diagram of the axonometric structure of the lifting mechanism of the present invention;

[0030] Figure 8 It is a schematic diagram of the top structure of the present invention.

[0031] In the figure: bending mechanism 1, bottom plate 101, foot pad 102, driven bending block 103, swing arm 104, active bending block 105, fixed block 106, handle 107, heating mechanism 2, first screw 201, limiting hole 202, mask frame 203, battery 204, connecting cable 205, heating wire 206, supporting mechanism 3, second screw 301, pressure ring 302, sleeve ring 303, spring 304, lifting mechanism 4, third screw 401, screw hole 402, sliding arm 403, bracket 404, supporting pad 5, knob 6, holding pad 7, jack 8, angle ruler 9, fixing ring 10, side strip 11, curtain 12, gasket 13, buckle groove 14. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-8

[0034] Embodiment 1

[0035] An auxiliary bending device for a wire and cable protective plastic tube comprises a bending mechanism 1, a heating mechanism 2 and a supporting mechanism 3:

[0036] The bending mechanism 1 includes a base plate 101, one side of the base plate 101 is fixedly connected to a foot pad 102, and a plurality of foot pads 102 are symmetrically arranged. A driven bending block 103 is fixedly connected to one side of the top of the base plate 101, and a swing arm 104 is rotatably connected to the outer side of the top of the driven bending block 103. An active bending block 105 is fixedly connected to one side of the bottom of the swing arm 104, a fixed block 106 is fixedly connected to one side of the swing arm 104, and a swing handle 107 is fixedly connected to one side of the fixed block 106.

[0037] The heating mechanism 2 includes a first screw 201, the outer side of the bottom end of the first screw 201 is threadedly connected to the bottom plate 101, the outer side of the first screw 201 is movably connected to a mask frame 203 through a limiting hole 202, the limiting hole 202 is a U-shaped structure, one side of the mask frame 203 is fixedly connected to a battery 204, a charging port is provided on the top of the battery 204, connecting cables 205 are fixedly connected on both sides of the battery 204, and one end of the connecting cable 205 is fixedly connected to a heating wire 206.

[0038] The supporting mechanism 3 includes a second screw rod 301, two second screw rods 301 are symmetrically arranged, the outer side of the bottom end of the second screw rod 301 is threadedly connected to the bottom plate 101, the outer side of the top end of the second screw rod 301 is fixedly connected to the pressure ring 302, the outer side of the second screw rod 301 is slidably connected to the ring 303, and a spring 304 is fixedly connected to one side of the ring 303.

[0039] The lifting mechanism 4 includes a third screw rod 401, the outer side of the third screw rod 401 is threadedly connected to the base plate 101, the outer side of one end of the third screw rod 401 is threadedly connected to a sliding arm 403 through a screw hole 402, and a plurality of screw holes 402 are symmetrically arranged. The outer side of the sliding arm 403 is slidably connected to the base plate 101, and one side of the sliding arm 403 is fixedly connected to a bracket 404.

[0040] Specific implementation process: according to actual needs, rotate and loosen the first screw 201 counterclockwise, cooperate with the U-shaped limiting hole 202 to move the mask frame 203 to the required horizontal position, and then rotate the first screw 201 clockwise to fix its position, turn on the heating wire 206 through the battery 204 and the connecting cable 205, so that the temperature of the heating wire 206 rises to the required height, pinch the knob 6 and rotate counterclockwise and remove the second screw 301, release the restriction on the position of the spring 304, remove the spring 304 and insert it into the inner wall of the wire and cable protection plastic tube to assist in supporting the tube body, and place the wire and cable protection plastic tube that needs to be bent flat on the top of the bottom plate 101 directly below the heating wire 206. The plastic tube for protecting wires and cables is affected by the material. After heating, the hardness of the tube body will decrease to a certain extent. Then the plastic tube for protecting wires and cables is inserted between the driven bending block 103 and the swing arm 104. The processing personnel directly hold the holding pad 7 on the outside of the swing handle 107, and rotate the swing arm 104 with the top of the driven bending block 103 as the center of the circle to drive the active bending block 105 to rotate synchronously to bend the plastic tube for protecting wires and cables. At this time, the plastic tube for protecting wires and cables has been heated, and the tube body will be softer than at normal temperature. Therefore, when bending at the same angle, the physical energy consumption required by the personnel will be greatly reduced, thereby reducing the labor input of the operators during the bending operation of the plastic tube for protecting wires and cables.

[0041] Embodiment 2

[0042] Based on Example 1:

[0043] A support pad 5 is fixedly connected to the top of the bracket 404. The support pad 5 is made of flexible material and has a serrated structure on the top. A sliding arm 403 is fixedly connected to one side of the bracket 404, which can effectively support the suspended part of the tube body while ensuring friction and reducing the degree of wear on the bottom of the tube body.

[0044] One side of the pressure ring 302 is fixedly connected with a knob 6, and a plurality of knobs 6 are symmetrically arranged. The inner side of the pressure ring 302 is fixedly connected with a second screw rod 301, which can effectively facilitate personnel to directly pinch and rotate to loosen and remove each second screw rod 301.

[0045] A holding pad 7 is fixedly connected to the outside of the rotary handle 107, and the holding pad 7 is made of rubber. One end of the rotary handle 107 is fixedly connected to a fixing block 106, and one side of the fixing block 106 is fixedly connected to a rotary arm 104, which can effectively improve the comfort of personnel after direct holding.

[0046] The inner sides of the rotating handle 107 and the holding pad 7 are both provided with a socket 8. When the tube body is thicker, the length that can be held can be effectively increased by inserting an external connecting rod into the socket 8 and holding the connecting rod and rotating it.

[0047] Embodiment 3

[0048] Based on Example 1:

[0049] An angle ruler 9 is fixedly connected to one side of the top of the driven bending block 103, and the angle ruler 9 is located below the swing arm 104. A bottom plate 101 is fixedly connected to the bottom of the driven bending block 103, which can more accurately display the specific angle of the bending of the tube body.

[0050] The outer side of one end of the heating wire 206 is fixedly connected with a fixing ring 10, and the top of the fixing ring 10 is fixedly connected with a mask frame 203, which can effectively ensure the stability of the connecting cable 205 and the heating wire 206 during long-term use.

[0051] A side strip 11 is fixedly connected to one side of the mask frame 203 , and a plurality of curtains 12 are symmetrically arranged at the bottom of the side strip 11 , which can effectively improve the airtightness of the space formed by the mask frame 203 and reduce the degree of heat dissipation emitted by the heating wire 206 .

[0052] A gasket 13 is movably connected to the outer side of the top end of the first screw 201 . The gasket 13 is located above one side of the heating mechanism 2 , which can effectively ensure the stability of the first screw 201 during long-term use and reduce the looseness of the first screw 201 .

[0053] A buckle groove 14 is provided on one side of the bracket 404 , and a slide arm 403 is fixedly connected to the other side of the bracket 404 , which can effectively facilitate personnel to directly buckle and slide the slide arm 403 .

[0054] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0055] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An auxiliary bending device for a wire and cable protective plastic tube, comprising a bending mechanism (1), a heating mechanism (2) and a supporting mechanism (3), characterized in that: The bending mechanism (1) comprises a base plate (101), one side of the base plate (101) is fixedly connected to a foot pad (102), a plurality of the foot pads (102) are symmetrically arranged, one side of the top of the base plate (101) is fixedly connected to a driven bending block (103), the outer side of the top of the driven bending block (103) is rotatably connected to a swing arm (104), one side of the bottom of the swing arm (104) is fixedly connected to an active bending block (105), one side of the swing arm (104) is fixedly connected to a fixed block (106), and one side of the fixed block (106) is fixedly connected to a swing handle (107). The heating mechanism (2) comprises a first screw (201), the outer side of the bottom end of the first screw (201) is threadedly connected to a bottom plate (101), the outer side of the first screw (201) is movably connected to a mask frame (203) through a limiting hole (202), the limiting hole (202) is a U-shaped structure, one side of the mask frame (203) is fixedly connected to a battery (204), the top of the battery (204) is provided with a charging port, both sides of the battery (204) are fixedly connected to connection cables (205), and one end of the connection cable (205) is fixedly connected to an electric heating wire (206). The support mechanism (3) comprises a second screw rod (301), wherein two second screw rods (301) are symmetrically arranged, wherein the outer side of the bottom end of each second screw rod (301) is threadedly connected to a bottom plate (101), the outer side of the top end of each second screw rod (301) is fixedly connected to a pressure ring (302), the outer side of each second screw rod (301) is slidably connected to a sleeve ring (303), and one side of each sleeve ring (303) is fixedly connected to a spring (304). The lifting mechanism (4) comprises a third screw rod (401), the outer side of the third screw rod (401) is threadedly connected to the base plate (101), the outer side of one end of the third screw rod (401) is threadedly connected to a sliding arm (403) through a screw hole (402), a plurality of screw holes (402) are symmetrically arranged, the outer side of the sliding arm (403) is slidably connected to the base plate (101), and one side of the sliding arm (403) is fixedly connected to a bracket (404).

2. The auxiliary bending device for protecting plastic tubes for electric wires and cables according to claim 1, characterized in that: A support pad (5) is fixedly connected to the top of the bracket (404); the support pad (5) is made of a flexible material; the top of the support pad (5) is a sawtooth structure; and a sliding arm (403) is fixedly connected to one side of the bracket (404).

3. The auxiliary bending device for protecting plastic tubes for electric wires and cables according to claim 1, characterized in that: A knob (6) is fixedly connected to one side of the pressure ring (302), and a plurality of knobs (6) are symmetrically arranged. A second screw rod (301) is fixedly connected to the inner side of the pressure ring (302).

4. The auxiliary bending device for protecting plastic tubes for electric wires and cables according to claim 1, characterized in that: The outer side of the rotary handle (107) is fixedly connected to a holding pad (7), the holding pad (7) is made of rubber material, one end of the rotary handle (107) is fixedly connected to a fixing block (106), and one side of the fixing block (106) is fixedly connected to a rotary arm (104).

5. The auxiliary bending device for protecting plastic tubes for electric wires and cables according to claim 4, characterized in that: The rotating handle (107) and the inner side of the holding pad (7) are both provided with a plug hole (8).

6. The auxiliary bending device for protecting plastic tubes for electric wires and cables according to claim 1, characterized in that: An angle ruler (9) is fixedly connected to one side of the top of the driven bending block (103), and the angle ruler (9) is located below the swing arm (104). A bottom plate (101) is fixedly connected to the bottom of the driven bending block (103).

7. The auxiliary bending device for protecting plastic tubes for electric wires and cables according to claim 1, characterized in that: The outer side of one end of the heating wire (206) is fixedly connected to a fixing ring (10), and the top of the fixing ring (10) is fixedly connected to a mask frame (203).

8. The auxiliary bending device for protecting plastic tubes for electric wires and cables according to claim 1, characterized in that: A side strip (11) is fixedly connected to one side of the mask frame (203), and a plurality of barrier curtains (12) are symmetrically arranged at the bottom of the side strip (11).

9. The auxiliary bending device for protecting plastic tubes for electric wires and cables according to claim 1, characterized in that: A gasket (13) is movably connected to the outer side of the top end of the first screw (201), and the gasket (13) is located above one side of the heating mechanism (2).

10. The auxiliary bending device for protecting plastic tubes for electric wires and cables according to claim 1, characterized in that: A buckle groove (14) is provided on one side of the bracket (404), and a sliding arm (403) is fixedly connected to the other side of the bracket (404).

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