Metal wire coating device

Abstract

The utility model relates to a metal wire film coating device which comprises a metal wire heating machine, a metal wire tensioning mechanism and an extruding machine, the metal wire heating machine is provided with a heating pipe allowing a metal wire to penetrate through, and a film coating through hole allowing the metal wire to penetrate through is formed in a die head of the extruding machine. The metal wire sequentially penetrates through the heating pipe, the metal wire tensioning adjusting mechanism and the film coating through hole. The metal wire tensioning device has the advantages that the metal wire tensioning adjusting mechanism is arranged, tensioning force of different strength can be provided according to the characteristics of the metal wire, it is ensured that the metal wire is kept in a tensioning state, and plastic can be evenly distributed on the metal wire.

Description

Technical Field

[0001] The utility model relates to the field of metal wire processing equipment, in particular to a metal wire coating device. Background Art

[0002] In the metal wire processing project, the metal wire needs to be coated, that is, a layer of plastic is wrapped on the surface of the metal wire. When coating, the metal wire needs to pass through the extruder die so that the melted plastic in the extruder die can be wrapped on the surface of the metal wire. In order to ensure that the plastic can be evenly distributed on the surface of the metal wire, the metal wire should be kept in a tensioned state when it enters the extruder die. However, metal wires of different materials have different physical properties, that is, different sizes of tensioning forces need to be provided when coating different metal wires. Therefore, it is necessary to propose a metal wire coating device that can provide different tensioning forces. Summary of the invention

[0003] The utility model mainly solves the above problems and provides a metal wire coating device which can provide different tensioning forces.

[0004] The technical solution adopted by the utility model to solve its technical problems is a metal wire coating device, including a metal wire heating machine, a metal wire tensioning mechanism and an extruder, the metal wire heating machine is provided with a heating tube for the metal wire to pass through, the die head of the extruder is provided with a coating through hole for the metal wire to pass through, and the metal wire passes through the heating tube, the metal wire tensioning adjustment mechanism and the coating through hole in sequence.

[0005] As a preferred embodiment of the above scheme, the heating tube comprises a tube body and a heating wire wound around the tube body, and the heating wire extends from a metal wire heating machine.

[0006] As a preferred embodiment of the above scheme, the first end of the heating tube is connected to the metal wire steering column, and the second end of the heating tube is connected to the metal wire tensioning adjustment mechanism.

[0007] As a preferred embodiment of the above scheme, the wire steering column comprises a column body and a roller disposed on the main body for the wire to pass around.

[0008] As a preferred embodiment of the above scheme, the wire tensioning adjustment mechanism includes a base plate, a connecting plate, a first adjusting part, a second adjusting part, a first tensioning part and a second tensioning part. The base plate is fixedly arranged on the extruder, the connecting plate is fixedly arranged on the base plate near the end of the wire heater, the end of the heating tube is fixed to the connecting plate, the first adjusting part is arranged on the base plate, the first adjusting part is arranged horizontally and perpendicular to the wire, the second adjusting part is vertically arranged on the slider of the first adjusting part, the first tensioning part is fixedly arranged on the slider of the second adjusting part, the second tensioning part is fixed to the first tensioning part through a connecting block, and the first tensioning part and the second tensioning part are perpendicular to each other.

[0009] As a preferred embodiment of the above scheme, the first adjusting part and the second adjusting part have the same structure, and the first adjusting part includes a screw, a rotating wheel, a screw seat and a slider. The screw is rotatably arranged on the screw seat, the rotating wheel is fixedly arranged at one end of the screw, a screw hole is penetrated on the slider, and the slider is arranged on the screw.

[0010] As a preferred embodiment of the above scheme, the first tensioning part and the second tensioning part have the same structure, the second tensioning part includes a plate body and a cover plate, a plurality of slide grooves are arranged at equal intervals on the first side of the plate body, a movable block is provided in each of the slide grooves, a first tensioning wheel is provided on the movable block, a plurality of second tensioning wheels are provided on the second side of the plate body, the first tensioning wheel and the second tensioning wheel are staggered, the cover plate is fixed to the first side of the plate body by bolts, and a plurality of adjustment bolts that resist the movable blocks are provided at the slide grooves corresponding to the cover plate.

[0011] As a preferred solution of the above solution, the cross section of the slider is I-shaped.

[0012] The utility model has the advantages that the metal wire tensioning adjustment mechanism is provided, and different tensioning forces can be provided according to the characteristics of the metal wire, so as to ensure that the metal wire is kept in a tensioned state, so that the plastic can be evenly distributed on the metal wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 Schematic diagram of the three-dimensional structure of the metal wire coating device in the embodiment.

[0014] Figure 2 Schematic diagram of the structure of the metal wire tensioning and adjusting mechanism in the embodiment.

[0015] 1-metal wire heating machine 2-extruder 3-metal wire steering column 4-tube body 5-heating wire 6-metal wire tensioning adjustment mechanism 7-extruder die head 61-bottom plate 62-mounting plate 63-rotating wheel 64-slider 65-plate body 66-slide groove 67-cover plate 68-adjusting bolt 69-movable block 70-first tensioning wheel 71-second tensioning wheel. DETAILED DESCRIPTION

[0016] The technical solution of the utility model is further described below through embodiments and in conjunction with the accompanying drawings.

[0017] Example:

[0018] This embodiment provides a metal wire coating device, such as Figure 1 As shown, it includes a wire heating machine 1, a wire tensioning mechanism 6 and an extruder 2. The wire heating machine is provided with a heating tube for the wire to pass through. The heating tube includes a tube body 4 and a heating wire 5 wound on the tube body. The heating wire 5 extends from the wire heating machine 1. The first end of the heating tube is connected to the wire steering column 3, and the second end of the heating tube is connected to the wire tensioning adjustment mechanism 6. The wire steering column 3 includes a column body and a roller arranged on the main body for the wire to pass around. The arrangement of the wire steering column enables the wire to enter the wire coating device from different angles, making the arrangement of the wire coating device more flexible. The extruder die 7 is provided with a coating through hole for the wire to pass through. The wire passes through the heating tube, the wire tensioning adjustment mechanism and the coating through hole in sequence. When the wire passes through the coating through hole, the melted plastic in the extruder die 7 will wrap around the wire surface to complete the wire coating.

[0019] like Figure 2 As shown, the wire tensioning and adjusting mechanism includes a bottom plate 61, a connecting plate 62, a first adjusting part, a second adjusting part, a first tensioning part, and a second tensioning part. The bottom plate 61 is fixedly arranged on the extruder, the connecting plate 62 is fixedly arranged on the bottom plate near the end of the wire heater, the end of the heating tube is fixed to the upper end of the connecting plate 62, the first adjusting part is arranged on the bottom plate 61, the first adjusting part is arranged horizontally and perpendicular to the wire, the second adjusting part is arranged vertically on the slider of the first adjusting part, the first tensioning part is fixedly arranged on the slider of the second adjusting part, the second tensioning part is fixed to the first tensioning part through a connecting block, and the first tensioning part and the second tensioning part are perpendicular to each other. In this embodiment, the first tensioning part is used to tension the wire in the horizontal direction, the second tensioning part is used to tension the wire in the vertical direction, the first adjusting part and the second adjusting part form a plane displacement mechanism on the vertical plane of the wire, and the first tensioning part and the second tensioning part can be aligned with the wire by adjusting the plane displacement mechanism.

[0020] The first adjustment part and the second adjustment part have the same structure, and the first adjustment part includes a screw, a rotating wheel 63, a screw seat and a slider 64. The screw is rotatably arranged on the screw seat, the rotating wheel 63 is fixedly arranged at one end of the screw, a screw hole is penetrated on the slider 64, and the slider is arranged on the screw. The rotating wheel drives the screw to rotate and the slider is translated along the screw. The first adjustment part is used to adjust the horizontal position of the second adjustment part, and the second adjustment part is used to adjust the height of the first tensioning part and the second tensioning part.

[0021] The first tensioning part and the second tensioning part have the same structure. The second tensioning part includes a plate body 65 and a cover plate 68. A plurality of chute grooves 66 are arranged at equal intervals on the first side of the plate body. A movable block 69 is arranged in each chute. The cross section of the movable block is I-shaped. A first tensioning wheel 70 is arranged on the movable block. A plurality of second tensioning wheels 71 are arranged on the second side of the plate body 65. The first tensioning wheel 70 and the second tensioning wheel 71 are arranged in a staggered manner. The cover plate 68 is fixed on the first side of the plate body by bolts. A plurality of adjusting bolts 68 that abut against the movable block are arranged at the corresponding chute of the cover plate 68. The position of the movable block in the chute can be adjusted by adjusting the screw, thereby changing the distance between the first tensioning wheel and the second tensioning wheel to provide different tensioning forces to the metal wire.

[0022] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A metal wire coating device, characterized in that: It includes a wire heater, a wire tensioning mechanism and an extruder. The wire heater is provided with a heating tube for the wire to pass through. The die head of the extruder is provided with a coating through hole for the wire to pass through. The wire passes through the heating tube, the wire tensioning adjustment mechanism and the coating through hole in sequence.

2. The metal wire coating device according to claim 1, characterized in that: The heating tube comprises a tube body and a heating wire wound on the tube body, and the heating wire extends out from a metal wire heating machine.

3. The metal wire coating device according to claim 2, characterized in that: The first end of the heating tube is connected to the metal wire steering column, and the second end of the heating tube is connected to the metal wire tensioning adjustment mechanism.

4. The metal wire coating device according to claim 3, characterized in that: The wire steering column comprises a column body and a roller arranged on the main body and for the wire to pass around.

5. The metal wire coating device according to claim 1 or 3, characterized in that: The wire tensioning adjustment mechanism includes a base plate, a connecting plate, a first adjusting part, a second adjusting part, a first tensioning part and a second tensioning part. The base plate is fixedly arranged on the extruder, the connecting plate is fixedly arranged on the base plate near the end of the wire heater, the end of the heating tube is fixed to the connecting plate, the first adjusting part is arranged on the base plate, the first adjusting part is arranged horizontally and perpendicular to the wire, the second adjusting part is vertically arranged on the slider of the first adjusting part, the first tensioning part is fixedly arranged on the slider of the second adjusting part, the second tensioning part is fixed to the first tensioning part through a connecting block, and the first tensioning part and the second tensioning part are perpendicular to each other.

6. The metal wire coating device according to claim 5, characterized in that: The first adjusting part and the second adjusting part have the same structure. The first adjusting part includes a screw, a rotating wheel, a screw seat and a slider. The screw is rotatably arranged on the screw seat, the rotating wheel is fixedly arranged at one end of the screw, a screw hole is penetrated on the slider, and the slider is arranged on the screw.

7. The metal wire coating device according to claim 5, characterized in that: The first tensioning part and the second tensioning part have the same structure. The second tensioning part includes a plate body and a cover plate. A plurality of slide grooves are arranged at equal intervals on the first side of the plate body. A movable block is provided in each of the slide grooves. A first tensioning wheel is provided on the movable block. A plurality of second tensioning wheels are provided on the second side of the plate body. The first tensioning wheel and the second tensioning wheel are staggered. The cover plate is fixed to the first side of the plate body by bolts. A plurality of adjusting bolts that abut against the movable blocks are provided at the slide grooves corresponding to the cover plate.

8. The metal wire coating device according to claim 7, characterized in that: The cross section of the movable block is in an I-shape.

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